./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/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_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/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 32bit --witnessprinter.graph.data.programhash b879d991ca85089954916015c9838d386a5c85365dad0e09e537aeb772eaaaf8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 19:55:28,285 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 19:55:28,389 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-27 19:55:28,396 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 19:55:28,396 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 19:55:28,434 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 19:55:28,435 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 19:55:28,435 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 19:55:28,435 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 19:55:28,435 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 19:55:28,437 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 19:55:28,437 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 19:55:28,438 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 19:55:28,439 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 19:55:28,439 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 19:55:28,440 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 19:55:28,441 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 19:55:28,441 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 19:55:28,441 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 19:55:28,441 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 19:55:28,441 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 19:55:28,441 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 19:55:28,442 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 19:55:28,442 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 19:55:28,442 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-27 19:55:28,442 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 19:55:28,442 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 19:55:28,442 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 19:55:28,442 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 19:55:28,443 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 19:55:28,443 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 19:55:28,443 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 19:55:28,443 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 19:55:28,443 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 19:55:28,443 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:55:28,443 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 19:55:28,443 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 19:55:28,443 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 19:55:28,444 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 19:55:28,444 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:55:28,444 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 19:55:28,444 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 19:55:28,444 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 19:55:28,444 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 19:55:28,444 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 19:55:28,444 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 19:55:28,444 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 19:55:28,444 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 19:55:28,444 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 19:55:28,445 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 19:55:28,445 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_f097a579-88cd-4fb5-af03-b7f4dad35b78/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b879d991ca85089954916015c9838d386a5c85365dad0e09e537aeb772eaaaf8 [2024-11-27 19:55:28,795 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 19:55:28,809 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 19:55:28,815 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 19:55:28,816 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 19:55:28,817 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 19:55:28,819 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-2.i [2024-11-27 19:55:32,397 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/data/04bb7ea03/19cf503fc80e4c2ab1c2b618cc96869d/FLAGea581f31b [2024-11-27 19:55:33,004 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 19:55:33,007 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-2.i [2024-11-27 19:55:33,027 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/data/04bb7ea03/19cf503fc80e4c2ab1c2b618cc96869d/FLAGea581f31b [2024-11-27 19:55:33,497 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/data/04bb7ea03/19cf503fc80e4c2ab1c2b618cc96869d [2024-11-27 19:55:33,500 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 19:55:33,502 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 19:55:33,503 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 19:55:33,504 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 19:55:33,509 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 19:55:33,510 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 07:55:33" (1/1) ... [2024-11-27 19:55:33,512 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3eed9dcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:55:33, skipping insertion in model container [2024-11-27 19:55:33,512 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 07:55:33" (1/1) ... [2024-11-27 19:55:33,569 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 19:55:34,375 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 19:55:34,392 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 19:55:34,579 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 19:55:34,635 INFO L204 MainTranslator]: Completed translation [2024-11-27 19:55:34,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:55:34 WrapperNode [2024-11-27 19:55:34,636 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 19:55:34,637 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 19:55:34,637 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 19:55:34,637 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 19:55:34,645 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:55:34" (1/1) ... [2024-11-27 19:55:34,692 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:55:34" (1/1) ... [2024-11-27 19:55:34,813 INFO L138 Inliner]: procedures = 208, calls = 280, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1441 [2024-11-27 19:55:34,813 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 19:55:34,814 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 19:55:34,814 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 19:55:34,814 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 19:55:34,826 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:55:34" (1/1) ... [2024-11-27 19:55:34,827 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:55:34" (1/1) ... [2024-11-27 19:55:34,853 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:55:34" (1/1) ... [2024-11-27 19:55:34,979 INFO L175 MemorySlicer]: Split 256 memory accesses to 3 slices as follows [2, 34, 220]. 86 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 54 writes are split as follows [0, 4, 50]. [2024-11-27 19:55:34,984 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:55:34" (1/1) ... [2024-11-27 19:55:34,984 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:55:34" (1/1) ... [2024-11-27 19:55:35,096 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:55:34" (1/1) ... [2024-11-27 19:55:35,099 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:55:34" (1/1) ... [2024-11-27 19:55:35,121 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:55:34" (1/1) ... [2024-11-27 19:55:35,130 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:55:34" (1/1) ... [2024-11-27 19:55:35,143 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:55:34" (1/1) ... [2024-11-27 19:55:35,161 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 19:55:35,165 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 19:55:35,165 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 19:55:35,166 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 19:55:35,167 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:55:34" (1/1) ... [2024-11-27 19:55:35,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:55:35,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:55:35,222 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 19:55:35,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 19:55:35,260 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-27 19:55:35,260 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-27 19:55:35,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-27 19:55:35,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-27 19:55:35,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-27 19:55:35,261 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-27 19:55:35,261 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-27 19:55:35,261 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-27 19:55:35,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-27 19:55:35,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-27 19:55:35,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-27 19:55:35,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-27 19:55:35,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-27 19:55:35,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-27 19:55:35,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-27 19:55:35,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-27 19:55:35,262 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-27 19:55:35,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-27 19:55:35,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-27 19:55:35,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-27 19:55:35,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-27 19:55:35,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-27 19:55:35,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 19:55:35,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-27 19:55:35,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-27 19:55:35,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-27 19:55:35,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 19:55:35,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-27 19:55:35,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-27 19:55:35,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 19:55:35,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 19:55:35,560 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 19:55:35,562 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 19:55:37,791 INFO L? ?]: Removed 339 outVars from TransFormulas that were not future-live. [2024-11-27 19:55:37,791 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 19:55:37,811 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 19:55:37,811 INFO L312 CfgBuilder]: Removed 36 assume(true) statements. [2024-11-27 19:55:37,812 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 07:55:37 BoogieIcfgContainer [2024-11-27 19:55:37,812 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 19:55:37,814 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 19:55:37,814 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 19:55:37,820 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 19:55:37,820 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 07:55:33" (1/3) ... [2024-11-27 19:55:37,821 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68fb75d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 07:55:37, skipping insertion in model container [2024-11-27 19:55:37,821 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:55:34" (2/3) ... [2024-11-27 19:55:37,821 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68fb75d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 07:55:37, skipping insertion in model container [2024-11-27 19:55:37,821 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 07:55:37" (3/3) ... [2024-11-27 19:55:37,822 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test2-2.i [2024-11-27 19:55:37,839 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 19:55:37,841 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_FNV_test2-2.i that has 6 procedures, 446 locations, 1 initial locations, 38 loop locations, and 8 error locations. [2024-11-27 19:55:37,914 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 19:55:37,927 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;@56d6d1e0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 19:55:37,928 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-27 19:55:37,933 INFO L276 IsEmpty]: Start isEmpty. Operand has 438 states, 416 states have (on average 1.6201923076923077) internal successors, (674), 431 states have internal predecessors, (674), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-27 19:55:37,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-27 19:55:37,939 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:55:37,940 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:55:37,941 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 19:55:37,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:55:37,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1000487724, now seen corresponding path program 1 times [2024-11-27 19:55:37,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:55:37,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100223841] [2024-11-27 19:55:37,955 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:55:37,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:55:38,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 19:55:38,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [940642968] [2024-11-27 19:55:38,106 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:55:38,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:55:38,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:55:38,113 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 19:55:38,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 19:55:38,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:55:38,338 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 19:55:38,343 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:55:38,381 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-27 19:55:38,446 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 19:55:38,446 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 19:55:38,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:55:38,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100223841] [2024-11-27 19:55:38,448 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 19:55:38,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [940642968] [2024-11-27 19:55:38,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [940642968] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:55:38,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:55:38,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 19:55:38,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217716240] [2024-11-27 19:55:38,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:55:38,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 19:55:38,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:55:38,477 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 19:55:38,478 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 19:55:38,483 INFO L87 Difference]: Start difference. First operand has 438 states, 416 states have (on average 1.6201923076923077) internal successors, (674), 431 states have internal predecessors, (674), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 19:55:38,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:55:38,861 INFO L93 Difference]: Finished difference Result 1291 states and 2072 transitions. [2024-11-27 19:55:38,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 19:55:38,866 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 8 [2024-11-27 19:55:38,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:55:38,891 INFO L225 Difference]: With dead ends: 1291 [2024-11-27 19:55:38,891 INFO L226 Difference]: Without dead ends: 778 [2024-11-27 19:55:38,899 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 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 19:55:38,904 INFO L435 NwaCegarLoop]: 644 mSDtfsCounter, 583 mSDsluCounter, 1229 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 591 SdHoareTripleChecker+Valid, 1873 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 19:55:38,908 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [591 Valid, 1873 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 19:55:38,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 778 states. [2024-11-27 19:55:38,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 778 to 402. [2024-11-27 19:55:38,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 384 states have (on average 1.4557291666666667) internal successors, (559), 396 states have internal predecessors, (559), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-27 19:55:38,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 575 transitions. [2024-11-27 19:55:38,991 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 575 transitions. Word has length 8 [2024-11-27 19:55:38,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:55:38,991 INFO L471 AbstractCegarLoop]: Abstraction has 402 states and 575 transitions. [2024-11-27 19:55:38,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 19:55:38,991 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 575 transitions. [2024-11-27 19:55:38,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-27 19:55:38,995 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:55:38,995 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:55:39,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-27 19:55:39,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-27 19:55:39,200 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 19:55:39,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:55:39,201 INFO L85 PathProgramCache]: Analyzing trace with hash 1518090925, now seen corresponding path program 1 times [2024-11-27 19:55:39,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:55:39,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349038477] [2024-11-27 19:55:39,201 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:55:39,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:55:39,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:55:40,007 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 19:55:40,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:55:40,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349038477] [2024-11-27 19:55:40,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349038477] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:55:40,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:55:40,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 19:55:40,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057563581] [2024-11-27 19:55:40,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:55:40,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 19:55:40,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:55:40,010 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 19:55:40,010 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 19:55:40,010 INFO L87 Difference]: Start difference. First operand 402 states and 575 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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 19:55:40,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:55:40,277 INFO L93 Difference]: Finished difference Result 959 states and 1388 transitions. [2024-11-27 19:55:40,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 19:55:40,278 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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 64 [2024-11-27 19:55:40,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:55:40,285 INFO L225 Difference]: With dead ends: 959 [2024-11-27 19:55:40,286 INFO L226 Difference]: Without dead ends: 777 [2024-11-27 19:55:40,291 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-27 19:55:40,292 INFO L435 NwaCegarLoop]: 548 mSDtfsCounter, 536 mSDsluCounter, 1083 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 544 SdHoareTripleChecker+Valid, 1631 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 19:55:40,293 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [544 Valid, 1631 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 19:55:40,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 777 states. [2024-11-27 19:55:40,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 777 to 402. [2024-11-27 19:55:40,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 384 states have (on average 1.453125) internal successors, (558), 396 states have internal predecessors, (558), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-27 19:55:40,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 574 transitions. [2024-11-27 19:55:40,352 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 574 transitions. Word has length 64 [2024-11-27 19:55:40,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:55:40,352 INFO L471 AbstractCegarLoop]: Abstraction has 402 states and 574 transitions. [2024-11-27 19:55:40,353 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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 19:55:40,353 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 574 transitions. [2024-11-27 19:55:40,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-27 19:55:40,359 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:55:40,360 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:55:40,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 19:55:40,360 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 19:55:40,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:55:40,361 INFO L85 PathProgramCache]: Analyzing trace with hash -1007752753, now seen corresponding path program 1 times [2024-11-27 19:55:40,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:55:40,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134921420] [2024-11-27 19:55:40,361 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:55:40,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:55:40,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:55:40,839 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 19:55:40,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:55:40,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134921420] [2024-11-27 19:55:40,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134921420] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:55:40,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:55:40,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 19:55:40,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244233490] [2024-11-27 19:55:40,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:55:40,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 19:55:40,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:55:40,841 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 19:55:40,841 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 19:55:40,842 INFO L87 Difference]: Start difference. First operand 402 states and 574 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 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 19:55:40,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:55:40,973 INFO L93 Difference]: Finished difference Result 798 states and 1142 transitions. [2024-11-27 19:55:40,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 19:55:40,974 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 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 82 [2024-11-27 19:55:40,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:55:40,977 INFO L225 Difference]: With dead ends: 798 [2024-11-27 19:55:40,977 INFO L226 Difference]: Without dead ends: 405 [2024-11-27 19:55:40,978 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-27 19:55:40,979 INFO L435 NwaCegarLoop]: 539 mSDtfsCounter, 106 mSDsluCounter, 984 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 1523 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 19:55:40,980 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 1523 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 19:55:40,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2024-11-27 19:55:40,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 402. [2024-11-27 19:55:40,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 384 states have (on average 1.4348958333333333) internal successors, (551), 396 states have internal predecessors, (551), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-27 19:55:40,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 567 transitions. [2024-11-27 19:55:40,997 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 567 transitions. Word has length 82 [2024-11-27 19:55:40,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:55:40,998 INFO L471 AbstractCegarLoop]: Abstraction has 402 states and 567 transitions. [2024-11-27 19:55:40,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 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 19:55:40,998 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 567 transitions. [2024-11-27 19:55:41,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-27 19:55:41,000 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:55:41,000 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:55:41,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 19:55:41,001 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 19:55:41,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:55:41,001 INFO L85 PathProgramCache]: Analyzing trace with hash 313503171, now seen corresponding path program 1 times [2024-11-27 19:55:41,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:55:41,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980594415] [2024-11-27 19:55:41,002 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:55:41,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:55:41,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:55:41,301 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 19:55:41,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:55:41,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980594415] [2024-11-27 19:55:41,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980594415] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:55:41,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:55:41,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 19:55:41,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026350014] [2024-11-27 19:55:41,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:55:41,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:55:41,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:55:41,303 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:55:41,305 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:55:41,305 INFO L87 Difference]: Start difference. First operand 402 states and 567 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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 19:55:41,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:55:41,417 INFO L93 Difference]: Finished difference Result 1078 states and 1545 transitions. [2024-11-27 19:55:41,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:55:41,418 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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 82 [2024-11-27 19:55:41,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:55:41,426 INFO L225 Difference]: With dead ends: 1078 [2024-11-27 19:55:41,426 INFO L226 Difference]: Without dead ends: 685 [2024-11-27 19:55:41,427 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 19:55:41,430 INFO L435 NwaCegarLoop]: 755 mSDtfsCounter, 355 mSDsluCounter, 546 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 360 SdHoareTripleChecker+Valid, 1301 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 19:55:41,430 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [360 Valid, 1301 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 19:55:41,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 685 states. [2024-11-27 19:55:41,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 685 to 681. [2024-11-27 19:55:41,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 681 states, 658 states have (on average 1.4574468085106382) internal successors, (959), 675 states have internal predecessors, (959), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-27 19:55:41,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 681 states and 985 transitions. [2024-11-27 19:55:41,470 INFO L78 Accepts]: Start accepts. Automaton has 681 states and 985 transitions. Word has length 82 [2024-11-27 19:55:41,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:55:41,473 INFO L471 AbstractCegarLoop]: Abstraction has 681 states and 985 transitions. [2024-11-27 19:55:41,474 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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 19:55:41,474 INFO L276 IsEmpty]: Start isEmpty. Operand 681 states and 985 transitions. [2024-11-27 19:55:41,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-27 19:55:41,476 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:55:41,476 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:55:41,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 19:55:41,476 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 19:55:41,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:55:41,477 INFO L85 PathProgramCache]: Analyzing trace with hash 61301857, now seen corresponding path program 1 times [2024-11-27 19:55:41,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:55:41,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124760501] [2024-11-27 19:55:41,477 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:55:41,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:55:41,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:55:42,353 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 19:55:42,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:55:42,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124760501] [2024-11-27 19:55:42,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124760501] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:55:42,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:55:42,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 19:55:42,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071540379] [2024-11-27 19:55:42,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:55:42,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 19:55:42,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:55:42,359 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 19:55:42,360 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 19:55:42,360 INFO L87 Difference]: Start difference. First operand 681 states and 985 transitions. Second operand has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 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 19:55:42,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:55:42,577 INFO L93 Difference]: Finished difference Result 947 states and 1370 transitions. [2024-11-27 19:55:42,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 19:55:42,581 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 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 97 [2024-11-27 19:55:42,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:55:42,590 INFO L225 Difference]: With dead ends: 947 [2024-11-27 19:55:42,590 INFO L226 Difference]: Without dead ends: 945 [2024-11-27 19:55:42,591 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 19:55:42,592 INFO L435 NwaCegarLoop]: 585 mSDtfsCounter, 442 mSDsluCounter, 1112 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 448 SdHoareTripleChecker+Valid, 1697 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 19:55:42,594 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [448 Valid, 1697 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 19:55:42,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 945 states. [2024-11-27 19:55:42,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 945 to 747. [2024-11-27 19:55:42,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 747 states, 721 states have (on average 1.4410540915395285) internal successors, (1039), 738 states have internal predecessors, (1039), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-27 19:55:42,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 1071 transitions. [2024-11-27 19:55:42,659 INFO L78 Accepts]: Start accepts. Automaton has 747 states and 1071 transitions. Word has length 97 [2024-11-27 19:55:42,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:55:42,659 INFO L471 AbstractCegarLoop]: Abstraction has 747 states and 1071 transitions. [2024-11-27 19:55:42,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 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 19:55:42,660 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 1071 transitions. [2024-11-27 19:55:42,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-27 19:55:42,663 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:55:42,663 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:55:42,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 19:55:42,664 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 19:55:42,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:55:42,664 INFO L85 PathProgramCache]: Analyzing trace with hash -875896822, now seen corresponding path program 1 times [2024-11-27 19:55:42,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:55:42,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930899880] [2024-11-27 19:55:42,666 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:55:42,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:55:43,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:55:43,582 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-27 19:55:43,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:55:43,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930899880] [2024-11-27 19:55:43,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930899880] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 19:55:43,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [194359026] [2024-11-27 19:55:43,582 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:55:43,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:55:43,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:55:43,587 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 19:55:43,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 19:55:44,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:55:44,105 INFO L256 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-27 19:55:44,113 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:55:44,122 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-27 19:55:44,160 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-27 19:55:44,191 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-27 19:55:45,035 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-27 19:55:45,036 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 41 [2024-11-27 19:55:45,471 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 19:55:45,474 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 19:55:45,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [194359026] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:55:45,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 19:55:45,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [4] total 13 [2024-11-27 19:55:45,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118383493] [2024-11-27 19:55:45,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:55:45,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-27 19:55:45,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:55:45,476 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-27 19:55:45,476 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-27 19:55:45,477 INFO L87 Difference]: Start difference. First operand 747 states and 1071 transitions. Second operand has 11 states, 11 states have (on average 8.818181818181818) internal successors, (97), 11 states have internal predecessors, (97), 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 19:55:49,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-27 19:55:54,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:55:54,821 INFO L93 Difference]: Finished difference Result 1656 states and 2384 transitions. [2024-11-27 19:55:54,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 19:55:54,823 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.818181818181818) internal successors, (97), 11 states have internal predecessors, (97), 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 104 [2024-11-27 19:55:54,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:55:54,830 INFO L225 Difference]: With dead ends: 1656 [2024-11-27 19:55:54,831 INFO L226 Difference]: Without dead ends: 999 [2024-11-27 19:55:54,834 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=90, Invalid=330, Unknown=0, NotChecked=0, Total=420 [2024-11-27 19:55:54,837 INFO L435 NwaCegarLoop]: 585 mSDtfsCounter, 823 mSDsluCounter, 2778 mSDsCounter, 0 mSdLazyCounter, 997 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 830 SdHoareTripleChecker+Valid, 3363 SdHoareTripleChecker+Invalid, 1006 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 997 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2024-11-27 19:55:54,837 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [830 Valid, 3363 Invalid, 1006 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 997 Invalid, 1 Unknown, 0 Unchecked, 7.8s Time] [2024-11-27 19:55:54,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 999 states. [2024-11-27 19:55:54,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 999 to 781. [2024-11-27 19:55:54,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 781 states, 755 states have (on average 1.433112582781457) internal successors, (1082), 772 states have internal predecessors, (1082), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-27 19:55:54,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 781 states and 1114 transitions. [2024-11-27 19:55:54,891 INFO L78 Accepts]: Start accepts. Automaton has 781 states and 1114 transitions. Word has length 104 [2024-11-27 19:55:54,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:55:54,892 INFO L471 AbstractCegarLoop]: Abstraction has 781 states and 1114 transitions. [2024-11-27 19:55:54,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.818181818181818) internal successors, (97), 11 states have internal predecessors, (97), 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 19:55:54,892 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 1114 transitions. [2024-11-27 19:55:54,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-27 19:55:54,894 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:55:54,895 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:55:54,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-27 19:55:55,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-27 19:55:55,101 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 19:55:55,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:55:55,101 INFO L85 PathProgramCache]: Analyzing trace with hash 1341733576, now seen corresponding path program 1 times [2024-11-27 19:55:55,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:55:55,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044807375] [2024-11-27 19:55:55,101 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:55:55,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:55:55,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:55:55,423 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 19:55:55,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:55:55,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044807375] [2024-11-27 19:55:55,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044807375] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:55:55,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:55:55,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 19:55:55,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569676534] [2024-11-27 19:55:55,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:55:55,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 19:55:55,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:55:55,426 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 19:55:55,426 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 19:55:55,426 INFO L87 Difference]: Start difference. First operand 781 states and 1114 transitions. Second operand has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 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 19:55:55,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:55:55,574 INFO L93 Difference]: Finished difference Result 1399 states and 1998 transitions. [2024-11-27 19:55:55,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 19:55:55,575 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 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 104 [2024-11-27 19:55:55,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:55:55,579 INFO L225 Difference]: With dead ends: 1399 [2024-11-27 19:55:55,579 INFO L226 Difference]: Without dead ends: 649 [2024-11-27 19:55:55,582 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-27 19:55:55,584 INFO L435 NwaCegarLoop]: 463 mSDtfsCounter, 9 mSDsluCounter, 907 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1370 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 19:55:55,585 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1370 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 19:55:55,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 649 states. [2024-11-27 19:55:55,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 649 to 649. [2024-11-27 19:55:55,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 649 states, 623 states have (on average 1.406099518459069) internal successors, (876), 640 states have internal predecessors, (876), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-27 19:55:55,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 908 transitions. [2024-11-27 19:55:55,627 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 908 transitions. Word has length 104 [2024-11-27 19:55:55,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:55:55,627 INFO L471 AbstractCegarLoop]: Abstraction has 649 states and 908 transitions. [2024-11-27 19:55:55,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 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 19:55:55,628 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 908 transitions. [2024-11-27 19:55:55,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-27 19:55:55,630 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:55:55,630 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:55:55,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-27 19:55:55,632 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 19:55:55,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:55:55,633 INFO L85 PathProgramCache]: Analyzing trace with hash 1477038955, now seen corresponding path program 1 times [2024-11-27 19:55:55,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:55:55,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444333011] [2024-11-27 19:55:55,633 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:55:55,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:55:55,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:55:56,245 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-27 19:55:56,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:55:56,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444333011] [2024-11-27 19:55:56,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444333011] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 19:55:56,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1867165930] [2024-11-27 19:55:56,246 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:55:56,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:55:56,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:55:56,250 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 19:55:56,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-27 19:55:57,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:55:57,039 INFO L256 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-27 19:55:57,046 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:56:31,647 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 19:56:43,664 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 19:57:05,028 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 19:57:17,047 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 19:57:33,808 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 19:57:44,175 WARN L286 SmtUtils]: Spent 6.34s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 19:57:56,191 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 19:58:20,426 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 19:58:32,922 WARN L286 SmtUtils]: Spent 8.48s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 19:58:44,938 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 19:59:00,996 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 19:59:17,456 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 19:59:33,447 WARN L286 SmtUtils]: Spent 6.94s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 19:59:39,707 WARN L286 SmtUtils]: Spent 6.26s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 19:59:51,719 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:00:03,784 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:00:09,983 WARN L286 SmtUtils]: Spent 6.20s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:00:22,001 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:00:42,530 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:00:51,314 WARN L286 SmtUtils]: Spent 8.78s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:01:03,329 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:01:19,849 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:01:34,926 WARN L286 SmtUtils]: Spent 10.98s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:01:47,010 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:01:53,847 WARN L286 SmtUtils]: Spent 6.84s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:02:05,865 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:02:10,904 WARN L286 SmtUtils]: Spent 5.04s on a formula simplification that was a NOOP. DAG size: 21 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:02:27,086 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:02:33,389 WARN L286 SmtUtils]: Spent 6.30s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:02:39,323 WARN L286 SmtUtils]: Spent 5.93s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:02:51,431 WARN L286 SmtUtils]: Spent 12.03s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:02:56,745 WARN L286 SmtUtils]: Spent 5.31s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:03:08,763 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:03:29,463 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:03:35,055 WARN L286 SmtUtils]: Spent 5.59s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:03:42,246 WARN L286 SmtUtils]: Spent 7.19s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:03:54,358 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:03:59,522 WARN L286 SmtUtils]: Spent 5.16s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:04:11,537 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:04:19,673 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse14 (mod (+ (* 4294967295 |c_ULTIMATE.start_main_~_ha_hashv~0#1|) 4276993779) 4294967296))) (let ((.cse9 (* .cse14 256)) (.cse11 (mod (+ 2690382803 |c_ULTIMATE.start_main_~_ha_hashv~0#1|) 4294967296)) (.cse13 (* (- 1) |c_ULTIMATE.start_main_~_ha_hashv~0#1|)) (.cse15 (* 16777215 |c_ULTIMATE.start_main_~_ha_hashv~0#1|))) (or (exists ((v_z_31 Int)) (and (<= 0 v_z_31) (<= v_z_31 16777215) (exists ((v_z_10 Int)) (and (<= 0 v_z_10) (exists ((v_z_13 Int)) (let ((.cse0 (mod (+ (* 16711680 v_z_10) .cse15 14384614 (* v_z_13 16776960)) 16777216))) (and (<= 0 v_z_13) (<= 16777216 (+ v_z_31 .cse0)) (<= v_z_13 255) (exists ((v_y_19 Int)) (let ((.cse12 (* .cse0 16777215))) (let ((.cse2 (* v_y_19 16777216)) (.cse1 (+ (* v_z_31 16777215) .cse12))) (and (<= .cse1 (+ .cse2 562949919866880)) (<= (+ .cse2 562949919866625) .cse1) (exists ((v_y_31 Int)) (let ((.cse3 (* v_y_31 16777216))) (and (<= (+ v_z_31 .cse3) 4294967295) (exists ((v_y_27 Int) (v_y_20 Int)) (let ((.cse10 (* v_y_27 4294967296)) (.cse8 (div (+ (* v_z_10 (- 65536)) (* v_z_13 (- 256)) .cse12 (- 562941365879322) .cse13) 16777216)) (.cse4 (* v_z_31 255)) (.cse5 (* v_y_20 256)) (.cse6 (* v_y_27 256)) (.cse7 (* v_y_31 4294967295))) (and (<= (+ .cse4 .cse5 v_y_19 .cse6 .cse7) .cse8) (= .cse9 (+ 1099511627776 (* v_y_31 72057589726183424) (* v_z_31 4294967039) .cse10 (* v_y_20 4294967296))) (= (+ .cse11 (* 72057594021150720 v_y_31) .cse10 (* v_z_31 4294967295)) 4294967296) (<= .cse8 (+ .cse4 .cse5 v_y_19 255 .cse6 .cse7))))) (<= 4294967296 (+ .cse14 v_z_31 .cse3)))))))))))) (<= v_z_10 255))))) (exists ((v_z_31 Int)) (and (exists ((v_z_10 Int)) (and (exists ((v_z_13 Int)) (let ((.cse26 (mod (+ (* 16711680 v_z_10) .cse15 14384614 (* v_z_13 16776960)) 16777216))) (and (exists ((v_y_19 Int)) (let ((.cse24 (* .cse26 16777215))) (let ((.cse17 (* v_y_19 16777216)) (.cse16 (+ (* v_z_31 16777215) .cse24))) (and (<= .cse16 (+ .cse17 562949919866880)) (<= (+ .cse17 562949919866625) .cse16) (exists ((v_y_31 Int)) (let ((.cse25 (* v_y_31 16777216))) (and (exists ((v_y_27 Int) (v_y_20 Int)) (let ((.cse23 (* v_y_27 4294967296)) (.cse22 (div (+ (* v_z_10 (- 65536)) (* v_z_13 (- 256)) .cse24 (- 562941365879322) .cse13) 16777216)) (.cse18 (* v_z_31 255)) (.cse19 (* v_y_20 256)) (.cse20 (* v_y_27 256)) (.cse21 (* v_y_31 4294967295))) (and (<= (+ .cse18 .cse19 v_y_19 .cse20 .cse21) .cse22) (= .cse9 (+ (* v_y_31 72057589726183424) (* v_z_31 4294967039) .cse23 (* v_y_20 4294967296))) (= (+ .cse11 (* 72057594021150720 v_y_31) .cse23 (* v_z_31 4294967295)) 4294967296) (<= .cse22 (+ .cse18 .cse19 v_y_19 255 .cse20 .cse21))))) (<= (+ .cse14 v_z_31 .cse25) 4294967295) (<= 0 (+ v_z_31 .cse25))))))))) (<= 0 v_z_13) (<= 16777216 (+ v_z_31 .cse26)) (<= v_z_13 255)))) (<= 0 v_z_10) (<= v_z_10 255))) (<= 0 v_z_31) (<= v_z_31 16777215)))))) is different from false [2024-11-27 20:04:20,247 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 20:04:20,247 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:04:20,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1867165930] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:04:20,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:04:20,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [4] total 15 [2024-11-27 20:04:20,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420946401] [2024-11-27 20:04:20,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:04:20,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 20:04:20,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:04:20,248 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 20:04:20,249 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=147, Unknown=6, NotChecked=24, Total=210 [2024-11-27 20:04:20,249 INFO L87 Difference]: Start difference. First operand 649 states and 908 transitions. Second operand has 13 states, 13 states have (on average 7.538461538461538) internal successors, (98), 13 states have internal predecessors, (98), 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 20:04:24,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-27 20:04:27,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.56s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-27 20:04:31,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.45s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-27 20:04:34,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.51s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-27 20:04:38,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.82s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-27 20:04:42,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.81s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-27 20:04:46,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.70s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-27 20:04:49,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.65s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-27 20:04:53,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.56s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-27 20:04:57,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.66s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-27 20:05:00,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.53s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-27 20:05:04,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.75s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-27 20:05:07,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.61s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-27 20:05:11,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.80s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-27 20:05:15,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-27 20:05:19,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.68s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-27 20:05:23,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-27 20:05:26,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-27 20:05:30,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.90s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-27 20:05:34,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-27 20:05:38,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-27 20:05:42,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-27 20:05:46,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-27 20:05:50,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-27 20:05:54,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-27 20:05:59,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-27 20:06:03,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-27 20:06:07,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-27 20:06:12,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-27 20:06:16,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-27 20:06:16,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:06:16,235 INFO L93 Difference]: Finished difference Result 1257 states and 1773 transitions. [2024-11-27 20:06:16,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 20:06:16,237 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.538461538461538) internal successors, (98), 13 states have internal predecessors, (98), 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 105 [2024-11-27 20:06:16,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:06:16,241 INFO L225 Difference]: With dead ends: 1257 [2024-11-27 20:06:16,241 INFO L226 Difference]: Without dead ends: 649 [2024-11-27 20:06:16,242 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 23.5s TimeCoverageRelationStatistics Valid=33, Invalid=147, Unknown=6, NotChecked=24, Total=210 [2024-11-27 20:06:16,243 INFO L435 NwaCegarLoop]: 466 mSDtfsCounter, 2 mSDsluCounter, 3855 mSDsCounter, 0 mSdLazyCounter, 769 mSolverCounterSat, 1 mSolverCounterUnsat, 29 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 115.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 4321 SdHoareTripleChecker+Invalid, 879 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 769 IncrementalHoareTripleChecker+Invalid, 29 IncrementalHoareTripleChecker+Unknown, 80 IncrementalHoareTripleChecker+Unchecked, 115.9s IncrementalHoareTripleChecker+Time [2024-11-27 20:06:16,243 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 4321 Invalid, 879 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 769 Invalid, 29 Unknown, 80 Unchecked, 115.9s Time] [2024-11-27 20:06:16,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 649 states. [2024-11-27 20:06:16,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 649 to 649. [2024-11-27 20:06:16,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 649 states, 623 states have (on average 1.4028892455858748) internal successors, (874), 640 states have internal predecessors, (874), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-27 20:06:16,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 906 transitions. [2024-11-27 20:06:16,320 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 906 transitions. Word has length 105 [2024-11-27 20:06:16,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:06:16,322 INFO L471 AbstractCegarLoop]: Abstraction has 649 states and 906 transitions. [2024-11-27 20:06:16,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.538461538461538) internal successors, (98), 13 states have internal predecessors, (98), 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 20:06:16,322 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 906 transitions. [2024-11-27 20:06:16,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-27 20:06:16,325 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:06:16,326 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:06:16,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-27 20:06:16,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-27 20:06:16,530 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 20:06:16,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:16,531 INFO L85 PathProgramCache]: Analyzing trace with hash -1636780305, now seen corresponding path program 1 times [2024-11-27 20:06:16,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:06:16,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068579443] [2024-11-27 20:06:16,531 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:16,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:16,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:17,041 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 20:06:17,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:06:17,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068579443] [2024-11-27 20:06:17,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068579443] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:06:17,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:06:17,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 20:06:17,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300623434] [2024-11-27 20:06:17,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:06:17,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:06:17,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:06:17,043 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:06:17,045 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:06:17,045 INFO L87 Difference]: Start difference. First operand 649 states and 906 transitions. Second operand has 6 states, 6 states have (on average 16.5) internal successors, (99), 6 states have internal predecessors, (99), 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 20:06:17,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:06:17,624 INFO L93 Difference]: Finished difference Result 1260 states and 1775 transitions. [2024-11-27 20:06:17,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:06:17,624 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 6 states have internal predecessors, (99), 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 106 [2024-11-27 20:06:17,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:06:17,629 INFO L225 Difference]: With dead ends: 1260 [2024-11-27 20:06:17,629 INFO L226 Difference]: Without dead ends: 655 [2024-11-27 20:06:17,630 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:06:17,631 INFO L435 NwaCegarLoop]: 468 mSDtfsCounter, 4 mSDsluCounter, 1580 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 2048 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-27 20:06:17,631 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 2048 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-27 20:06:17,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 655 states. [2024-11-27 20:06:17,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 655 to 655. [2024-11-27 20:06:17,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 655 states, 629 states have (on average 1.399046104928458) internal successors, (880), 646 states have internal predecessors, (880), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-27 20:06:17,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 655 states and 912 transitions. [2024-11-27 20:06:17,663 INFO L78 Accepts]: Start accepts. Automaton has 655 states and 912 transitions. Word has length 106 [2024-11-27 20:06:17,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:06:17,663 INFO L471 AbstractCegarLoop]: Abstraction has 655 states and 912 transitions. [2024-11-27 20:06:17,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 6 states have internal predecessors, (99), 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 20:06:17,664 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 912 transitions. [2024-11-27 20:06:17,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-27 20:06:17,665 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:06:17,666 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:06:17,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-27 20:06:17,666 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 20:06:17,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:17,667 INFO L85 PathProgramCache]: Analyzing trace with hash -1205160146, now seen corresponding path program 1 times [2024-11-27 20:06:17,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:06:17,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255053916] [2024-11-27 20:06:17,667 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:17,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:17,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:18,211 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-27 20:06:18,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:06:18,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255053916] [2024-11-27 20:06:18,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255053916] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:06:18,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1730999758] [2024-11-27 20:06:18,212 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:18,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:06:18,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:18,214 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:06:18,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-27 20:06:18,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:18,829 INFO L256 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-27 20:06:18,836 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:06:19,248 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 20:06:19,248 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:06:19,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1730999758] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:06:19,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:06:19,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4] total 9 [2024-11-27 20:06:19,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531047723] [2024-11-27 20:06:19,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:06:19,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:06:19,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:06:19,254 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:06:19,254 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-27 20:06:19,254 INFO L87 Difference]: Start difference. First operand 655 states and 912 transitions. Second operand has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 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 20:06:19,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:06:19,943 INFO L93 Difference]: Finished difference Result 1266 states and 1779 transitions. [2024-11-27 20:06:19,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 20:06:19,944 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 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 107 [2024-11-27 20:06:19,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:06:19,948 INFO L225 Difference]: With dead ends: 1266 [2024-11-27 20:06:19,948 INFO L226 Difference]: Without dead ends: 665 [2024-11-27 20:06:19,949 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-27 20:06:19,950 INFO L435 NwaCegarLoop]: 458 mSDtfsCounter, 8 mSDsluCounter, 1974 mSDsCounter, 0 mSdLazyCounter, 399 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 2432 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-27 20:06:19,950 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 2432 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 399 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-27 20:06:19,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2024-11-27 20:06:19,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 663. [2024-11-27 20:06:19,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 663 states, 637 states have (on average 1.3971742543171115) internal successors, (890), 654 states have internal predecessors, (890), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-27 20:06:19,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 922 transitions. [2024-11-27 20:06:19,978 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 922 transitions. Word has length 107 [2024-11-27 20:06:19,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:06:19,979 INFO L471 AbstractCegarLoop]: Abstraction has 663 states and 922 transitions. [2024-11-27 20:06:19,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 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 20:06:19,979 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 922 transitions. [2024-11-27 20:06:19,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-27 20:06:19,980 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:06:19,981 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:06:19,995 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-27 20:06:20,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-27 20:06:20,182 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 20:06:20,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:20,183 INFO L85 PathProgramCache]: Analyzing trace with hash -830687598, now seen corresponding path program 1 times [2024-11-27 20:06:20,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:06:20,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779701382] [2024-11-27 20:06:20,183 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:20,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:20,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:20,647 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 20:06:20,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:06:20,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779701382] [2024-11-27 20:06:20,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779701382] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:06:20,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:06:20,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 20:06:20,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361933926] [2024-11-27 20:06:20,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:06:20,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:06:20,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:06:20,650 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:06:20,651 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:06:20,651 INFO L87 Difference]: Start difference. First operand 663 states and 922 transitions. Second operand has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 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 20:06:21,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:06:21,339 INFO L93 Difference]: Finished difference Result 1278 states and 1794 transitions. [2024-11-27 20:06:21,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 20:06:21,340 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 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 107 [2024-11-27 20:06:21,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:06:21,345 INFO L225 Difference]: With dead ends: 1278 [2024-11-27 20:06:21,346 INFO L226 Difference]: Without dead ends: 673 [2024-11-27 20:06:21,347 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:06:21,348 INFO L435 NwaCegarLoop]: 464 mSDtfsCounter, 8 mSDsluCounter, 1975 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 2439 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-27 20:06:21,348 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 2439 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-27 20:06:21,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 673 states. [2024-11-27 20:06:21,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 673 to 663. [2024-11-27 20:06:21,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 663 states, 637 states have (on average 1.3971742543171115) internal successors, (890), 654 states have internal predecessors, (890), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-27 20:06:21,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 922 transitions. [2024-11-27 20:06:21,377 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 922 transitions. Word has length 107 [2024-11-27 20:06:21,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:06:21,377 INFO L471 AbstractCegarLoop]: Abstraction has 663 states and 922 transitions. [2024-11-27 20:06:21,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 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 20:06:21,378 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 922 transitions. [2024-11-27 20:06:21,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-27 20:06:21,379 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:06:21,379 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:06:21,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-27 20:06:21,380 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 20:06:21,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:21,380 INFO L85 PathProgramCache]: Analyzing trace with hash 1523648159, now seen corresponding path program 1 times [2024-11-27 20:06:21,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:06:21,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62328554] [2024-11-27 20:06:21,381 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:21,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:21,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:21,763 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-27 20:06:21,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:06:21,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62328554] [2024-11-27 20:06:21,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62328554] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:06:21,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [314015716] [2024-11-27 20:06:21,763 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:21,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:06:21,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:21,765 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:06:21,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-27 20:06:22,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:22,235 INFO L256 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-27 20:06:22,239 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:06:22,489 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 20:06:22,490 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:06:22,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [314015716] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:06:22,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:06:22,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [4] total 10 [2024-11-27 20:06:22,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424905072] [2024-11-27 20:06:22,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:06:22,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 20:06:22,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:06:22,491 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 20:06:22,492 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:06:22,492 INFO L87 Difference]: Start difference. First operand 663 states and 922 transitions. Second operand has 8 states, 8 states have (on average 12.625) internal successors, (101), 8 states have internal predecessors, (101), 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 20:06:23,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:06:23,383 INFO L93 Difference]: Finished difference Result 1283 states and 1798 transitions. [2024-11-27 20:06:23,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 20:06:23,384 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.625) internal successors, (101), 8 states have internal predecessors, (101), 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 108 [2024-11-27 20:06:23,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:06:23,388 INFO L225 Difference]: With dead ends: 1283 [2024-11-27 20:06:23,388 INFO L226 Difference]: Without dead ends: 683 [2024-11-27 20:06:23,389 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:06:23,390 INFO L435 NwaCegarLoop]: 457 mSDtfsCounter, 13 mSDsluCounter, 2010 mSDsCounter, 0 mSdLazyCounter, 398 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 2467 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-27 20:06:23,390 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 2467 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 398 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-27 20:06:23,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683 states. [2024-11-27 20:06:23,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 673. [2024-11-27 20:06:23,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 673 states, 647 states have (on average 1.3941267387944358) internal successors, (902), 664 states have internal predecessors, (902), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-27 20:06:23,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 934 transitions. [2024-11-27 20:06:23,422 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 934 transitions. Word has length 108 [2024-11-27 20:06:23,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:06:23,422 INFO L471 AbstractCegarLoop]: Abstraction has 673 states and 934 transitions. [2024-11-27 20:06:23,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.625) internal successors, (101), 8 states have internal predecessors, (101), 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 20:06:23,422 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 934 transitions. [2024-11-27 20:06:23,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-27 20:06:23,423 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:06:23,424 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:06:23,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-27 20:06:23,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-27 20:06:23,628 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 20:06:23,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:23,628 INFO L85 PathProgramCache]: Analyzing trace with hash 247395259, now seen corresponding path program 1 times [2024-11-27 20:06:23,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:06:23,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577667041] [2024-11-27 20:06:23,629 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:23,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:23,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:24,130 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 20:06:24,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:06:24,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577667041] [2024-11-27 20:06:24,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577667041] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:06:24,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:06:24,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-27 20:06:24,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768247543] [2024-11-27 20:06:24,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:06:24,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-27 20:06:24,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:06:24,132 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-27 20:06:24,133 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-27 20:06:24,133 INFO L87 Difference]: Start difference. First operand 673 states and 934 transitions. Second operand has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 9 states have internal predecessors, (101), 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 20:06:24,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:06:24,797 INFO L93 Difference]: Finished difference Result 1298 states and 1816 transitions. [2024-11-27 20:06:24,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 20:06:24,799 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 9 states have internal predecessors, (101), 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 108 [2024-11-27 20:06:24,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:06:24,802 INFO L225 Difference]: With dead ends: 1298 [2024-11-27 20:06:24,802 INFO L226 Difference]: Without dead ends: 693 [2024-11-27 20:06:24,803 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-27 20:06:24,804 INFO L435 NwaCegarLoop]: 469 mSDtfsCounter, 16 mSDsluCounter, 2080 mSDsCounter, 0 mSdLazyCounter, 417 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 2549 SdHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-27 20:06:24,804 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 2549 Invalid, 418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 417 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-27 20:06:24,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 693 states. [2024-11-27 20:06:24,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 693 to 687. [2024-11-27 20:06:24,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 687 states, 661 states have (on average 1.3918305597579426) internal successors, (920), 678 states have internal predecessors, (920), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-27 20:06:24,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 687 states and 952 transitions. [2024-11-27 20:06:24,830 INFO L78 Accepts]: Start accepts. Automaton has 687 states and 952 transitions. Word has length 108 [2024-11-27 20:06:24,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:06:24,831 INFO L471 AbstractCegarLoop]: Abstraction has 687 states and 952 transitions. [2024-11-27 20:06:24,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 9 states have internal predecessors, (101), 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 20:06:24,831 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 952 transitions. [2024-11-27 20:06:24,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-27 20:06:24,833 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:06:24,833 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:06:24,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-27 20:06:24,833 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 20:06:24,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:24,834 INFO L85 PathProgramCache]: Analyzing trace with hash 491919546, now seen corresponding path program 1 times [2024-11-27 20:06:24,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:06:24,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562034719] [2024-11-27 20:06:24,835 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:24,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:25,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:25,264 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-27 20:06:25,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:06:25,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562034719] [2024-11-27 20:06:25,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562034719] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:06:25,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [287159063] [2024-11-27 20:06:25,264 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:25,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:06:25,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:25,267 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:06:25,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-27 20:06:25,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:25,756 INFO L256 TraceCheckSpWp]: Trace formula consists of 614 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-27 20:06:25,760 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:06:42,471 WARN L286 SmtUtils]: Spent 5.41s on a formula simplification. DAG size of input: 21 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:06:43,534 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 20:06:43,534 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:06:43,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [287159063] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:06:43,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:06:43,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [4] total 13 [2024-11-27 20:06:43,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151394431] [2024-11-27 20:06:43,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:06:43,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-27 20:06:43,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:06:43,535 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-27 20:06:43,536 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:06:43,536 INFO L87 Difference]: Start difference. First operand 687 states and 952 transitions. Second operand has 11 states, 11 states have (on average 9.272727272727273) internal successors, (102), 11 states have internal predecessors, (102), 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 20:06:45,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:06:45,785 INFO L93 Difference]: Finished difference Result 1304 states and 1822 transitions. [2024-11-27 20:06:45,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 20:06:45,786 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.272727272727273) internal successors, (102), 11 states have internal predecessors, (102), 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 109 [2024-11-27 20:06:45,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:06:45,789 INFO L225 Difference]: With dead ends: 1304 [2024-11-27 20:06:45,789 INFO L226 Difference]: Without dead ends: 687 [2024-11-27 20:06:45,791 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:06:45,791 INFO L435 NwaCegarLoop]: 458 mSDtfsCounter, 7 mSDsluCounter, 3562 mSDsCounter, 0 mSdLazyCounter, 723 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 4020 SdHoareTripleChecker+Invalid, 724 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 723 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:06:45,792 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 4020 Invalid, 724 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 723 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-27 20:06:45,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 687 states. [2024-11-27 20:06:45,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 687 to 683. [2024-11-27 20:06:45,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 683 states, 657 states have (on average 1.39117199391172) internal successors, (914), 674 states have internal predecessors, (914), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-27 20:06:45,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 683 states and 946 transitions. [2024-11-27 20:06:45,816 INFO L78 Accepts]: Start accepts. Automaton has 683 states and 946 transitions. Word has length 109 [2024-11-27 20:06:45,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:06:45,817 INFO L471 AbstractCegarLoop]: Abstraction has 683 states and 946 transitions. [2024-11-27 20:06:45,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.272727272727273) internal successors, (102), 11 states have internal predecessors, (102), 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 20:06:45,817 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 946 transitions. [2024-11-27 20:06:45,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-27 20:06:45,818 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:06:45,819 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:06:45,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-27 20:06:46,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:06:46,024 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 20:06:46,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:46,026 INFO L85 PathProgramCache]: Analyzing trace with hash -1577459654, now seen corresponding path program 1 times [2024-11-27 20:06:46,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:06:46,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208486643] [2024-11-27 20:06:46,026 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:46,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:46,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:46,384 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-27 20:06:46,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:06:46,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208486643] [2024-11-27 20:06:46,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208486643] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:06:46,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2073738080] [2024-11-27 20:06:46,385 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:46,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:06:46,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:46,388 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:06:46,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-27 20:06:46,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:46,900 INFO L256 TraceCheckSpWp]: Trace formula consists of 614 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-27 20:06:46,904 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:06:47,088 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 20:06:47,088 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:06:47,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2073738080] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:06:47,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:06:47,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4] total 9 [2024-11-27 20:06:47,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20494867] [2024-11-27 20:06:47,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:06:47,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:06:47,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:06:47,090 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:06:47,090 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-27 20:06:47,090 INFO L87 Difference]: Start difference. First operand 683 states and 946 transitions. Second operand has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 7 states have internal predecessors, (102), 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 20:06:47,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:06:47,521 INFO L93 Difference]: Finished difference Result 1303 states and 1822 transitions. [2024-11-27 20:06:47,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 20:06:47,522 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 7 states have internal predecessors, (102), 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 109 [2024-11-27 20:06:47,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:06:47,525 INFO L225 Difference]: With dead ends: 1303 [2024-11-27 20:06:47,525 INFO L226 Difference]: Without dead ends: 693 [2024-11-27 20:06:47,527 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-27 20:06:47,527 INFO L435 NwaCegarLoop]: 452 mSDtfsCounter, 31 mSDsluCounter, 1998 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 2450 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 20:06:47,528 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 2450 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 20:06:47,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 693 states. [2024-11-27 20:06:47,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 693 to 687. [2024-11-27 20:06:47,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 687 states, 661 states have (on average 1.388804841149773) internal successors, (918), 678 states have internal predecessors, (918), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-27 20:06:47,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 687 states and 950 transitions. [2024-11-27 20:06:47,557 INFO L78 Accepts]: Start accepts. Automaton has 687 states and 950 transitions. Word has length 109 [2024-11-27 20:06:47,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:06:47,557 INFO L471 AbstractCegarLoop]: Abstraction has 687 states and 950 transitions. [2024-11-27 20:06:47,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 7 states have internal predecessors, (102), 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 20:06:47,558 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 950 transitions. [2024-11-27 20:06:47,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-27 20:06:47,559 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:06:47,559 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:06:47,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-27 20:06:47,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-27 20:06:47,760 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 20:06:47,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:47,760 INFO L85 PathProgramCache]: Analyzing trace with hash -1209471021, now seen corresponding path program 1 times [2024-11-27 20:06:47,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:06:47,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102507872] [2024-11-27 20:06:47,761 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:47,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:47,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:48,134 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-27 20:06:48,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:06:48,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102507872] [2024-11-27 20:06:48,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102507872] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:06:48,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [238053684] [2024-11-27 20:06:48,136 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:48,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:06:48,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:48,138 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:06:48,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-27 20:06:48,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:48,661 INFO L256 TraceCheckSpWp]: Trace formula consists of 614 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-27 20:06:48,664 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:06:49,018 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 20:06:49,019 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:06:49,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [238053684] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:06:49,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:06:49,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4] total 9 [2024-11-27 20:06:49,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576193987] [2024-11-27 20:06:49,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:06:49,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:06:49,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:06:49,023 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:06:49,023 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-27 20:06:49,024 INFO L87 Difference]: Start difference. First operand 687 states and 950 transitions. Second operand has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 7 states have internal predecessors, (102), 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 20:06:49,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:06:49,736 INFO L93 Difference]: Finished difference Result 1314 states and 1836 transitions. [2024-11-27 20:06:49,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 20:06:49,737 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 7 states have internal predecessors, (102), 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 109 [2024-11-27 20:06:49,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:06:49,740 INFO L225 Difference]: With dead ends: 1314 [2024-11-27 20:06:49,740 INFO L226 Difference]: Without dead ends: 697 [2024-11-27 20:06:49,741 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-27 20:06:49,742 INFO L435 NwaCegarLoop]: 464 mSDtfsCounter, 6 mSDsluCounter, 1975 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 2439 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-27 20:06:49,742 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 2439 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-27 20:06:49,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 697 states. [2024-11-27 20:06:49,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 697 to 687. [2024-11-27 20:06:49,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 687 states, 661 states have (on average 1.388804841149773) internal successors, (918), 678 states have internal predecessors, (918), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-27 20:06:49,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 687 states and 950 transitions. [2024-11-27 20:06:49,774 INFO L78 Accepts]: Start accepts. Automaton has 687 states and 950 transitions. Word has length 109 [2024-11-27 20:06:49,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:06:49,774 INFO L471 AbstractCegarLoop]: Abstraction has 687 states and 950 transitions. [2024-11-27 20:06:49,775 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 7 states have internal predecessors, (102), 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 20:06:49,775 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 950 transitions. [2024-11-27 20:06:49,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-27 20:06:49,776 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:06:49,776 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:06:49,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-27 20:06:49,976 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-27 20:06:49,977 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 20:06:49,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:49,979 INFO L85 PathProgramCache]: Analyzing trace with hash -417214690, now seen corresponding path program 1 times [2024-11-27 20:06:49,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:06:49,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155941033] [2024-11-27 20:06:49,979 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:49,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:50,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:50,475 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 20:06:50,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:06:50,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155941033] [2024-11-27 20:06:50,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155941033] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:06:50,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:06:50,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-27 20:06:50,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94300171] [2024-11-27 20:06:50,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:06:50,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-27 20:06:50,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:06:50,479 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-27 20:06:50,479 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:06:50,479 INFO L87 Difference]: Start difference. First operand 687 states and 950 transitions. Second operand has 10 states, 10 states have (on average 10.2) internal successors, (102), 10 states have internal predecessors, (102), 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 20:06:51,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:06:51,202 INFO L93 Difference]: Finished difference Result 1322 states and 1846 transitions. [2024-11-27 20:06:51,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 20:06:51,204 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.2) internal successors, (102), 10 states have internal predecessors, (102), 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 109 [2024-11-27 20:06:51,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:06:51,207 INFO L225 Difference]: With dead ends: 1322 [2024-11-27 20:06:51,207 INFO L226 Difference]: Without dead ends: 705 [2024-11-27 20:06:51,208 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-27 20:06:51,209 INFO L435 NwaCegarLoop]: 470 mSDtfsCounter, 22 mSDsluCounter, 2441 mSDsCounter, 0 mSdLazyCounter, 569 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 2911 SdHoareTripleChecker+Invalid, 570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 569 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-27 20:06:51,209 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 2911 Invalid, 570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 569 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-27 20:06:51,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 705 states. [2024-11-27 20:06:51,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 705 to 693. [2024-11-27 20:06:51,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 693 states, 667 states have (on average 1.3853073463268366) internal successors, (924), 684 states have internal predecessors, (924), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-27 20:06:51,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 956 transitions. [2024-11-27 20:06:51,235 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 956 transitions. Word has length 109 [2024-11-27 20:06:51,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:06:51,235 INFO L471 AbstractCegarLoop]: Abstraction has 693 states and 956 transitions. [2024-11-27 20:06:51,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.2) internal successors, (102), 10 states have internal predecessors, (102), 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 20:06:51,236 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 956 transitions. [2024-11-27 20:06:51,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-27 20:06:51,237 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:06:51,237 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:06:51,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-27 20:06:51,237 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 20:06:51,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:51,238 INFO L85 PathProgramCache]: Analyzing trace with hash -1280962078, now seen corresponding path program 1 times [2024-11-27 20:06:51,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:06:51,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937980997] [2024-11-27 20:06:51,238 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:51,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:51,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:51,631 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-27 20:06:51,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:06:51,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937980997] [2024-11-27 20:06:51,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937980997] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:06:51,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [586811633] [2024-11-27 20:06:51,632 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:51,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:06:51,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:51,635 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:06:51,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-27 20:06:52,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:52,222 INFO L256 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 20:06:52,224 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:06:52,248 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:06:52,248 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:06:52,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [586811633] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:06:52,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:06:52,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2024-11-27 20:06:52,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659303842] [2024-11-27 20:06:52,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:06:52,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:06:52,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:06:52,250 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:06:52,250 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:06:52,250 INFO L87 Difference]: Start difference. First operand 693 states and 956 transitions. Second operand has 4 states, 4 states have (on average 26.5) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:06:52,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:06:52,287 INFO L93 Difference]: Finished difference Result 1276 states and 1779 transitions. [2024-11-27 20:06:52,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:06:52,288 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.5) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 110 [2024-11-27 20:06:52,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:06:52,293 INFO L225 Difference]: With dead ends: 1276 [2024-11-27 20:06:52,293 INFO L226 Difference]: Without dead ends: 696 [2024-11-27 20:06:52,294 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:06:52,297 INFO L435 NwaCegarLoop]: 475 mSDtfsCounter, 0 mSDsluCounter, 946 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1421 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:06:52,298 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1421 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:06:52,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2024-11-27 20:06:52,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 696. [2024-11-27 20:06:52,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 696 states, 669 states have (on average 1.3856502242152466) internal successors, (927), 687 states have internal predecessors, (927), 16 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (18), 8 states have call predecessors, (18), 16 states have call successors, (18) [2024-11-27 20:06:52,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 696 states and 961 transitions. [2024-11-27 20:06:52,329 INFO L78 Accepts]: Start accepts. Automaton has 696 states and 961 transitions. Word has length 110 [2024-11-27 20:06:52,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:06:52,330 INFO L471 AbstractCegarLoop]: Abstraction has 696 states and 961 transitions. [2024-11-27 20:06:52,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.5) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:06:52,330 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 961 transitions. [2024-11-27 20:06:52,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-27 20:06:52,331 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:06:52,332 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:06:52,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-27 20:06:52,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-27 20:06:52,533 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 20:06:52,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:52,533 INFO L85 PathProgramCache]: Analyzing trace with hash -1950634908, now seen corresponding path program 1 times [2024-11-27 20:06:52,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:06:52,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407054099] [2024-11-27 20:06:52,534 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:52,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:52,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:53,050 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-27 20:06:53,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:06:53,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407054099] [2024-11-27 20:06:53,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407054099] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:06:53,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [104222709] [2024-11-27 20:06:53,051 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:53,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:06:53,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:53,054 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:06:53,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-27 20:06:53,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:53,684 INFO L256 TraceCheckSpWp]: Trace formula consists of 642 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-27 20:06:53,686 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:06:53,788 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-27 20:06:53,788 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:06:53,977 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-27 20:06:53,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [104222709] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:06:53,978 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:06:53,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-27 20:06:53,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119474204] [2024-11-27 20:06:53,978 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:06:53,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-27 20:06:53,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:06:53,979 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-27 20:06:53,980 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:06:53,980 INFO L87 Difference]: Start difference. First operand 696 states and 961 transitions. Second operand has 10 states, 10 states have (on average 11.9) internal successors, (119), 10 states have internal predecessors, (119), 2 states have call successors, (3), 2 states have call predecessors, (3), 5 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-27 20:06:54,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:06:54,288 INFO L93 Difference]: Finished difference Result 1290 states and 1803 transitions. [2024-11-27 20:06:54,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 20:06:54,288 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.9) internal successors, (119), 10 states have internal predecessors, (119), 2 states have call successors, (3), 2 states have call predecessors, (3), 5 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) Word has length 112 [2024-11-27 20:06:54,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:06:54,292 INFO L225 Difference]: With dead ends: 1290 [2024-11-27 20:06:54,293 INFO L226 Difference]: Without dead ends: 707 [2024-11-27 20:06:54,294 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2024-11-27 20:06:54,295 INFO L435 NwaCegarLoop]: 476 mSDtfsCounter, 5 mSDsluCounter, 2835 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 3311 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:06:54,295 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 3311 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 20:06:54,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2024-11-27 20:06:54,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 705. [2024-11-27 20:06:54,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 705 states, 677 states have (on average 1.3899556868537666) internal successors, (941), 695 states have internal predecessors, (941), 16 states have call successors, (16), 3 states have call predecessors, (16), 4 states have return successors, (18), 8 states have call predecessors, (18), 16 states have call successors, (18) [2024-11-27 20:06:54,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 705 states and 975 transitions. [2024-11-27 20:06:54,323 INFO L78 Accepts]: Start accepts. Automaton has 705 states and 975 transitions. Word has length 112 [2024-11-27 20:06:54,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:06:54,323 INFO L471 AbstractCegarLoop]: Abstraction has 705 states and 975 transitions. [2024-11-27 20:06:54,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.9) internal successors, (119), 10 states have internal predecessors, (119), 2 states have call successors, (3), 2 states have call predecessors, (3), 5 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-27 20:06:54,324 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 975 transitions. [2024-11-27 20:06:54,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-27 20:06:54,325 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:06:54,325 INFO L218 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:06:54,339 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-27 20:06:54,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:06:54,526 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 20:06:54,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:54,527 INFO L85 PathProgramCache]: Analyzing trace with hash -1272864318, now seen corresponding path program 2 times [2024-11-27 20:06:54,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:06:54,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036763165] [2024-11-27 20:06:54,527 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:06:54,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:54,701 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 20:06:54,702 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:06:55,208 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 20:06:55,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:06:55,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036763165] [2024-11-27 20:06:55,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036763165] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:06:55,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1799214379] [2024-11-27 20:06:55,209 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:06:55,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:06:55,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:55,212 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:06:55,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-27 20:06:55,726 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 20:06:55,726 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:06:55,729 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 20:06:55,734 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:06:55,744 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-27 20:06:55,769 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-27 20:06:55,769 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:06:55,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1799214379] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:06:55,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:06:55,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [8] total 9 [2024-11-27 20:06:55,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349763779] [2024-11-27 20:06:55,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:06:55,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:06:55,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:06:55,770 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:06:55,770 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-27 20:06:55,770 INFO L87 Difference]: Start difference. First operand 705 states and 975 transitions. Second operand has 3 states, 2 states have (on average 50.0) internal successors, (100), 3 states have internal predecessors, (100), 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 20:06:55,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:06:55,803 INFO L93 Difference]: Finished difference Result 705 states and 975 transitions. [2024-11-27 20:06:55,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:06:55,804 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 50.0) internal successors, (100), 3 states have internal predecessors, (100), 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 116 [2024-11-27 20:06:55,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:06:55,807 INFO L225 Difference]: With dead ends: 705 [2024-11-27 20:06:55,807 INFO L226 Difference]: Without dead ends: 704 [2024-11-27 20:06:55,808 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-27 20:06:55,808 INFO L435 NwaCegarLoop]: 474 mSDtfsCounter, 1 mSDsluCounter, 472 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 946 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:06:55,808 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 946 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:06:55,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 704 states. [2024-11-27 20:06:55,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 704 to 704. [2024-11-27 20:06:55,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 704 states, 677 states have (on average 1.3884785819793206) internal successors, (940), 694 states have internal predecessors, (940), 16 states have call successors, (16), 3 states have call predecessors, (16), 4 states have return successors, (18), 8 states have call predecessors, (18), 16 states have call successors, (18) [2024-11-27 20:06:55,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 704 states and 974 transitions. [2024-11-27 20:06:55,853 INFO L78 Accepts]: Start accepts. Automaton has 704 states and 974 transitions. Word has length 116 [2024-11-27 20:06:55,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:06:55,854 INFO L471 AbstractCegarLoop]: Abstraction has 704 states and 974 transitions. [2024-11-27 20:06:55,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 50.0) internal successors, (100), 3 states have internal predecessors, (100), 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 20:06:55,854 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 974 transitions. [2024-11-27 20:06:55,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-27 20:06:55,858 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:06:55,858 INFO L218 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:06:55,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-27 20:06:56,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:06:56,062 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 20:06:56,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:56,063 INFO L85 PathProgramCache]: Analyzing trace with hash -804088109, now seen corresponding path program 1 times [2024-11-27 20:06:56,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:06:56,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779051084] [2024-11-27 20:06:56,063 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:56,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:56,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:56,902 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 7 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 20:06:56,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:06:56,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779051084] [2024-11-27 20:06:56,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779051084] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:06:56,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [599019382] [2024-11-27 20:06:56,903 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:56,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:06:56,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:56,906 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:06:56,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-27 20:06:57,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:57,841 INFO L256 TraceCheckSpWp]: Trace formula consists of 703 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-27 20:06:57,843 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:06:58,090 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 11 proven. 25 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-27 20:06:58,091 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:06:58,322 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 24 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-27 20:06:58,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [599019382] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:06:58,323 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:06:58,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11, 6] total 18 [2024-11-27 20:06:58,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432572929] [2024-11-27 20:06:58,323 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:06:58,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-27 20:06:58,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:06:58,324 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-27 20:06:58,325 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=226, Unknown=0, NotChecked=0, Total=306 [2024-11-27 20:06:58,325 INFO L87 Difference]: Start difference. First operand 704 states and 974 transitions. Second operand has 18 states, 18 states have (on average 7.111111111111111) internal successors, (128), 18 states have internal predecessors, (128), 2 states have call successors, (3), 1 states have call predecessors, (3), 4 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-27 20:06:58,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:06:58,864 INFO L93 Difference]: Finished difference Result 1312 states and 1841 transitions. [2024-11-27 20:06:58,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 20:06:58,865 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 7.111111111111111) internal successors, (128), 18 states have internal predecessors, (128), 2 states have call successors, (3), 1 states have call predecessors, (3), 4 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 117 [2024-11-27 20:06:58,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:06:58,869 INFO L225 Difference]: With dead ends: 1312 [2024-11-27 20:06:58,870 INFO L226 Difference]: Without dead ends: 715 [2024-11-27 20:06:58,871 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=166, Invalid=434, Unknown=0, NotChecked=0, Total=600 [2024-11-27 20:06:58,872 INFO L435 NwaCegarLoop]: 462 mSDtfsCounter, 28 mSDsluCounter, 4121 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 4583 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:06:58,872 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 4583 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 20:06:58,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 715 states. [2024-11-27 20:06:58,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 715 to 711. [2024-11-27 20:06:58,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 711 states, 684 states have (on average 1.3874269005847952) internal successors, (949), 701 states have internal predecessors, (949), 16 states have call successors, (16), 3 states have call predecessors, (16), 4 states have return successors, (18), 8 states have call predecessors, (18), 16 states have call successors, (18) [2024-11-27 20:06:58,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 711 states and 983 transitions. [2024-11-27 20:06:58,904 INFO L78 Accepts]: Start accepts. Automaton has 711 states and 983 transitions. Word has length 117 [2024-11-27 20:06:58,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:06:58,905 INFO L471 AbstractCegarLoop]: Abstraction has 711 states and 983 transitions. [2024-11-27 20:06:58,905 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 7.111111111111111) internal successors, (128), 18 states have internal predecessors, (128), 2 states have call successors, (3), 1 states have call predecessors, (3), 4 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-27 20:06:58,905 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 983 transitions. [2024-11-27 20:06:58,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-27 20:06:58,906 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:06:58,907 INFO L218 NwaCegarLoop]: trace histogram [13, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:06:58,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-27 20:06:59,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-27 20:06:59,108 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 20:06:59,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:59,108 INFO L85 PathProgramCache]: Analyzing trace with hash 946521204, now seen corresponding path program 2 times [2024-11-27 20:06:59,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:06:59,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037642049] [2024-11-27 20:06:59,109 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:06:59,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:59,415 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 20:06:59,415 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:06:59,926 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 7 proven. 71 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-27 20:06:59,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:06:59,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037642049] [2024-11-27 20:06:59,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037642049] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:06:59,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1618043361] [2024-11-27 20:06:59,927 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:06:59,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:06:59,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:59,929 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:06:59,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-27 20:07:01,791 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 20:07:01,791 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:07:01,799 INFO L256 TraceCheckSpWp]: Trace formula consists of 808 conjuncts, 177 conjuncts are in the unsatisfiable core [2024-11-27 20:07:01,813 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:07:01,817 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-27 20:07:01,842 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-27 20:07:01,882 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-27 20:07:01,924 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-27 20:07:02,297 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-11-27 20:07:02,468 INFO L349 Elim1Store]: treesize reduction 26, result has 35.0 percent of original size [2024-11-27 20:07:02,468 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 29 [2024-11-27 20:07:02,484 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-27 20:07:02,585 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-27 20:07:03,321 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 64 proven. 15 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-27 20:07:03,321 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:07:03,517 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse12 (+ |c_ULTIMATE.start_main_~users~0#1.offset| 8))) (let ((.cse10 (select (select |c_#memory_$Pointer$#2.base| |c_ULTIMATE.start_main_~users~0#1.base|) .cse12)) (.cse11 (select (select |c_#memory_$Pointer$#2.offset| |c_ULTIMATE.start_main_~users~0#1.base|) .cse12))) (let ((.cse0 (mod |c_ULTIMATE.start_main_~_ha_bkt~0#1| 4294967296)) (.cse1 (select (select |c_#memory_$Pointer$#2.base| .cse10) .cse11))) (let ((.cse5 (select |c_#memory_$Pointer$#2.base| .cse1)) (.cse3 (select |c_#memory_$Pointer$#2.offset| .cse1)) (.cse6 (select (select |c_#memory_$Pointer$#2.offset| .cse10) .cse11)) (.cse7 (* .cse0 12))) (and (or (< 2147483647 .cse0) (let ((.cse4 (+ .cse6 .cse7 4)) (.cse2 (+ .cse6 .cse7))) (and (forall ((v_ArrVal_4848 (Array Int Int))) (or (forall ((v_ArrVal_4849 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$#2.offset| .cse1 v_ArrVal_4848) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_4849) .cse1) .cse2) 0)) (not (= (store .cse3 .cse4 (select v_ArrVal_4848 .cse4)) v_ArrVal_4848)))) (forall ((v_ArrVal_4850 (Array Int Int)) (v_ArrVal_4847 (Array Int Int))) (or (not (= (store .cse5 .cse4 (select v_ArrVal_4847 .cse4)) v_ArrVal_4847)) (= (select (select (store (store |c_#memory_$Pointer$#2.base| .cse1 v_ArrVal_4847) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_4850) .cse1) .cse2) 0)))))) (or (let ((.cse9 (+ (- 51539607552) .cse6 .cse7)) (.cse8 (+ .cse6 .cse7 (- 51539607548)))) (and (forall ((v_ArrVal_4850 (Array Int Int)) (v_ArrVal_4847 (Array Int Int))) (or (not (= (store .cse5 .cse8 (select v_ArrVal_4847 .cse8)) v_ArrVal_4847)) (= (select (select (store (store |c_#memory_$Pointer$#2.base| .cse1 v_ArrVal_4847) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_4850) .cse1) .cse9) 0))) (forall ((v_ArrVal_4848 (Array Int Int))) (or (forall ((v_ArrVal_4849 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$#2.offset| .cse1 v_ArrVal_4848) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_4849) .cse1) .cse9) 0)) (not (= v_ArrVal_4848 (store .cse3 .cse8 (select v_ArrVal_4848 .cse8)))))))) (< .cse0 2147483648))))))) is different from false [2024-11-27 20:07:03,676 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse12 (+ |c_ULTIMATE.start_main_~users~0#1.offset| 8))) (let ((.cse10 (select (select |c_#memory_$Pointer$#2.base| |c_ULTIMATE.start_main_~users~0#1.base|) .cse12)) (.cse11 (select (select |c_#memory_$Pointer$#2.offset| |c_ULTIMATE.start_main_~users~0#1.base|) .cse12))) (let ((.cse0 (mod |c_ULTIMATE.start_main_#t~bitwise82#1| 4294967296)) (.cse3 (select (select |c_#memory_$Pointer$#2.base| .cse10) .cse11))) (let ((.cse1 (select |c_#memory_$Pointer$#2.base| .cse3)) (.cse5 (select |c_#memory_$Pointer$#2.offset| .cse3)) (.cse6 (select (select |c_#memory_$Pointer$#2.offset| .cse10) .cse11)) (.cse7 (* .cse0 12))) (and (or (< 2147483647 .cse0) (let ((.cse2 (+ .cse6 4 .cse7)) (.cse4 (+ .cse6 .cse7))) (and (forall ((v_ArrVal_4850 (Array Int Int)) (v_ArrVal_4847 (Array Int Int))) (or (not (= v_ArrVal_4847 (store .cse1 .cse2 (select v_ArrVal_4847 .cse2)))) (= (select (select (store (store |c_#memory_$Pointer$#2.base| .cse3 v_ArrVal_4847) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_4850) .cse3) .cse4) 0))) (forall ((v_ArrVal_4848 (Array Int Int))) (or (not (= (store .cse5 .cse2 (select v_ArrVal_4848 .cse2)) v_ArrVal_4848)) (forall ((v_ArrVal_4849 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$#2.offset| .cse3 v_ArrVal_4848) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_4849) .cse3) .cse4) 0))))))) (or (let ((.cse8 (+ (- 51539607552) .cse6 .cse7)) (.cse9 (+ .cse6 .cse7 (- 51539607548)))) (and (forall ((v_ArrVal_4850 (Array Int Int)) (v_ArrVal_4847 (Array Int Int))) (or (= (select (select (store (store |c_#memory_$Pointer$#2.base| .cse3 v_ArrVal_4847) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_4850) .cse3) .cse8) 0) (not (= (store .cse1 .cse9 (select v_ArrVal_4847 .cse9)) v_ArrVal_4847)))) (forall ((v_ArrVal_4848 (Array Int Int))) (or (forall ((v_ArrVal_4849 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$#2.offset| .cse3 v_ArrVal_4848) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_4849) .cse3) .cse8) 0)) (not (= (store .cse5 .cse9 (select v_ArrVal_4848 .cse9)) v_ArrVal_4848)))))) (< .cse0 2147483648))))))) is different from false [2024-11-27 20:07:03,707 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse5 (+ |c_ULTIMATE.start_main_~users~0#1.offset| 8))) (let ((.cse3 (select (select |c_#memory_$Pointer$#2.base| |c_ULTIMATE.start_main_~users~0#1.base|) .cse5)) (.cse4 (select (select |c_#memory_$Pointer$#2.offset| |c_ULTIMATE.start_main_~users~0#1.base|) .cse5))) (let ((.cse1 (select (select |c_#memory_$Pointer$#2.offset| .cse3) .cse4))) (let ((.cse0 (select (select |c_#memory_$Pointer$#2.base| .cse3) .cse4)) (.cse2 (+ .cse1 4))) (and (forall ((v_ArrVal_4848 (Array Int Int))) (or (forall ((v_ArrVal_4849 (Array Int Int))) (= (select (select (store (store |c_#memory_$Pointer$#2.offset| .cse0 v_ArrVal_4848) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_4849) .cse0) .cse1) 0)) (not (= (store (select |c_#memory_$Pointer$#2.offset| .cse0) .cse2 (select v_ArrVal_4848 .cse2)) v_ArrVal_4848)))) (forall ((v_ArrVal_4850 (Array Int Int)) (v_ArrVal_4847 (Array Int Int))) (or (= (select (select (store (store |c_#memory_$Pointer$#2.base| .cse0 v_ArrVal_4847) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_4850) .cse0) .cse1) 0) (not (= v_ArrVal_4847 (store (select |c_#memory_$Pointer$#2.base| .cse0) .cse2 (select v_ArrVal_4847 .cse2))))))))))) is different from false [2024-11-27 20:07:03,882 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse7 (+ |c_ULTIMATE.start_main_~users~0#1.offset| 8))) (let ((.cse8 (select (select |c_#memory_$Pointer$#2.base| |c_ULTIMATE.start_main_~users~0#1.base|) .cse7))) (let ((.cse11 (select |c_#memory_$Pointer$#2.base| .cse8)) (.cse9 (select |c_#memory_$Pointer$#2.offset| .cse8)) (.cse10 (+ (select (select |c_#memory_$Pointer$#2.offset| |c_ULTIMATE.start_main_~users~0#1.base|) .cse7) 12))) (and (forall ((v_ArrVal_4845 (Array Int Int))) (or (forall ((v_ArrVal_4850 (Array Int Int)) (v_DerPreprocessor_7 Int) (v_ArrVal_4847 (Array Int Int))) (let ((.cse4 (store |c_#memory_$Pointer$#2.offset| .cse8 (store .cse9 .cse10 v_DerPreprocessor_7))) (.cse0 (store |c_#memory_$Pointer$#2.base| .cse8 v_ArrVal_4845))) (let ((.cse5 (select (select .cse0 |c_ULTIMATE.start_main_~users~0#1.base|) .cse7)) (.cse6 (select (select .cse4 |c_ULTIMATE.start_main_~users~0#1.base|) .cse7))) (let ((.cse1 (select (select .cse0 .cse5) .cse6)) (.cse3 (select (select .cse4 .cse5) .cse6))) (or (not (= v_ArrVal_4847 (let ((.cse2 (+ .cse3 4))) (store (select .cse0 .cse1) .cse2 (select v_ArrVal_4847 .cse2))))) (= (select (select (store (store .cse0 .cse1 v_ArrVal_4847) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_4850) .cse1) .cse3) 0)))))) (not (= v_ArrVal_4845 (store .cse11 .cse10 (select v_ArrVal_4845 .cse10)))))) (forall ((v_ArrVal_4845 (Array Int Int))) (or (not (= v_ArrVal_4845 (store .cse11 .cse10 (select v_ArrVal_4845 .cse10)))) (forall ((v_DerPreprocessor_7 Int) (v_ArrVal_4848 (Array Int Int)) (v_ArrVal_4849 (Array Int Int))) (let ((.cse12 (store |c_#memory_$Pointer$#2.offset| .cse8 (store .cse9 .cse10 v_DerPreprocessor_7))) (.cse18 (store |c_#memory_$Pointer$#2.base| .cse8 v_ArrVal_4845))) (let ((.cse16 (select (select .cse18 |c_ULTIMATE.start_main_~users~0#1.base|) .cse7)) (.cse17 (select (select .cse12 |c_ULTIMATE.start_main_~users~0#1.base|) .cse7))) (let ((.cse13 (select (select .cse18 .cse16) .cse17)) (.cse15 (select (select .cse12 .cse16) .cse17))) (or (not (= (let ((.cse14 (+ .cse15 4))) (store (select .cse12 .cse13) .cse14 (select v_ArrVal_4848 .cse14))) v_ArrVal_4848)) (= (select (select (store (store .cse12 .cse13 v_ArrVal_4848) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_4849) .cse13) .cse15) 0)))))))))))) is different from false [2024-11-27 20:07:03,976 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse7 (+ |c_ULTIMATE.start_main_~user~0#1.offset| 8))) (let ((.cse8 (select (select |c_#memory_$Pointer$#2.base| |c_ULTIMATE.start_main_~user~0#1.base|) .cse7))) (let ((.cse9 (select |c_#memory_$Pointer$#2.offset| .cse8)) (.cse11 (select |c_#memory_$Pointer$#2.base| .cse8)) (.cse10 (+ (select (select |c_#memory_$Pointer$#2.offset| |c_ULTIMATE.start_main_~user~0#1.base|) .cse7) 12))) (and (forall ((v_ArrVal_4845 (Array Int Int))) (or (forall ((v_ArrVal_4850 (Array Int Int)) (v_DerPreprocessor_7 Int) (v_ArrVal_4847 (Array Int Int))) (let ((.cse4 (store |c_#memory_$Pointer$#2.offset| .cse8 (store .cse9 .cse10 v_DerPreprocessor_7))) (.cse0 (store |c_#memory_$Pointer$#2.base| .cse8 v_ArrVal_4845))) (let ((.cse5 (select (select .cse0 |c_ULTIMATE.start_main_~user~0#1.base|) .cse7)) (.cse6 (select (select .cse4 |c_ULTIMATE.start_main_~user~0#1.base|) .cse7))) (let ((.cse1 (select (select .cse0 .cse5) .cse6)) (.cse2 (select (select .cse4 .cse5) .cse6))) (or (= (select (select (store (store .cse0 .cse1 v_ArrVal_4847) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_4850) .cse1) .cse2) 0) (not (= (let ((.cse3 (+ .cse2 4))) (store (select .cse0 .cse1) .cse3 (select v_ArrVal_4847 .cse3))) v_ArrVal_4847))))))) (not (= v_ArrVal_4845 (store .cse11 .cse10 (select v_ArrVal_4845 .cse10)))))) (forall ((v_ArrVal_4845 (Array Int Int))) (or (forall ((v_DerPreprocessor_7 Int) (v_ArrVal_4848 (Array Int Int)) (v_ArrVal_4849 (Array Int Int))) (let ((.cse12 (store |c_#memory_$Pointer$#2.offset| .cse8 (store .cse9 .cse10 v_DerPreprocessor_7))) (.cse18 (store |c_#memory_$Pointer$#2.base| .cse8 v_ArrVal_4845))) (let ((.cse16 (select (select .cse18 |c_ULTIMATE.start_main_~user~0#1.base|) .cse7)) (.cse17 (select (select .cse12 |c_ULTIMATE.start_main_~user~0#1.base|) .cse7))) (let ((.cse13 (select (select .cse18 .cse16) .cse17)) (.cse15 (select (select .cse12 .cse16) .cse17))) (or (not (= v_ArrVal_4848 (let ((.cse14 (+ .cse15 4))) (store (select .cse12 .cse13) .cse14 (select v_ArrVal_4848 .cse14))))) (= (select (select (store (store .cse12 .cse13 v_ArrVal_4848) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_4849) .cse13) .cse15) 0)))))) (not (= v_ArrVal_4845 (store .cse11 .cse10 (select v_ArrVal_4845 .cse10)))))))))) is different from false [2024-11-27 20:07:13,204 WARN L286 SmtUtils]: Spent 9.04s on a formula simplification. DAG size of input: 167 DAG size of output: 164 (called from [L 276] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2024-11-27 20:07:14,540 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse14 (+ |c_ULTIMATE.start_main_#t~mem67#1.offset| 1)) (.cse15 (+ 2 |c_ULTIMATE.start_main_#t~mem67#1.offset|)) (.cse16 (+ 3 |c_ULTIMATE.start_main_#t~mem67#1.offset|)) (.cse17 (+ 4 |c_ULTIMATE.start_main_#t~mem67#1.offset|)) (.cse18 (+ 5 |c_ULTIMATE.start_main_#t~mem67#1.offset|)) (.cse19 (+ 6 |c_ULTIMATE.start_main_#t~mem67#1.offset|)) (.cse20 (+ 7 |c_ULTIMATE.start_main_#t~mem67#1.offset|))) (let ((.cse8 (store |c_#memory_$Pointer$#2.base| |c_ULTIMATE.start_main_#t~mem67#1.base| (store (store (store (store (store (store (store (store (select |c_#memory_$Pointer$#2.base| |c_ULTIMATE.start_main_#t~mem67#1.base|) |c_ULTIMATE.start_main_#t~mem67#1.offset| 0) .cse14 0) .cse15 0) .cse16 0) .cse17 0) .cse18 0) .cse19 0) .cse20 0))) (.cse7 (+ |c_ULTIMATE.start_main_~user~0#1.offset| 8))) (let ((.cse9 (select (select .cse8 |c_ULTIMATE.start_main_~user~0#1.base|) .cse7))) (let ((.cse12 (select .cse8 .cse9)) (.cse13 (store (select |c_#memory_$Pointer$#2.offset| |c_ULTIMATE.start_main_#t~mem67#1.base|) |c_ULTIMATE.start_main_#t~mem67#1.offset| 0))) (and (forall ((v_ArrVal_4888 Int) (v_ArrVal_4886 Int) (v_ArrVal_4887 Int) (v_ArrVal_4884 Int) (v_ArrVal_4885 Int) (v_ArrVal_4882 Int) (v_ArrVal_4883 Int) (v_ArrVal_4845 (Array Int Int))) (let ((.cse10 (store |c_#memory_$Pointer$#2.offset| |c_ULTIMATE.start_main_#t~mem67#1.base| (store (store (store (store (store (store (store .cse13 .cse14 v_ArrVal_4886) .cse15 v_ArrVal_4884) .cse16 v_ArrVal_4882) .cse17 v_ArrVal_4888) .cse18 v_ArrVal_4885) .cse19 v_ArrVal_4883) .cse20 v_ArrVal_4887)))) (let ((.cse11 (+ 12 (select (select .cse10 |c_ULTIMATE.start_main_~user~0#1.base|) .cse7)))) (or (forall ((v_DerPreprocessor_7 Int) (v_ArrVal_4848 (Array Int Int)) (v_ArrVal_4849 (Array Int Int))) (let ((.cse0 (store .cse10 .cse9 (store (select .cse10 .cse9) .cse11 v_DerPreprocessor_7))) (.cse6 (store .cse8 .cse9 v_ArrVal_4845))) (let ((.cse4 (select (select .cse6 |c_ULTIMATE.start_main_~user~0#1.base|) .cse7)) (.cse5 (select (select .cse0 |c_ULTIMATE.start_main_~user~0#1.base|) .cse7))) (let ((.cse1 (select (select .cse6 .cse4) .cse5)) (.cse3 (select (select .cse0 .cse4) .cse5))) (or (not (= v_ArrVal_4848 (let ((.cse2 (+ .cse3 4))) (store (select .cse0 .cse1) .cse2 (select v_ArrVal_4848 .cse2))))) (= (select (select (store (store .cse0 .cse1 v_ArrVal_4848) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_4849) .cse1) .cse3) 0)))))) (not (= (store .cse12 .cse11 (select v_ArrVal_4845 .cse11)) v_ArrVal_4845)))))) (forall ((v_ArrVal_4888 Int) (v_ArrVal_4886 Int) (v_ArrVal_4887 Int) (v_ArrVal_4884 Int) (v_ArrVal_4885 Int) (v_ArrVal_4882 Int) (v_ArrVal_4883 Int) (v_ArrVal_4845 (Array Int Int))) (let ((.cse28 (store |c_#memory_$Pointer$#2.offset| |c_ULTIMATE.start_main_#t~mem67#1.base| (store (store (store (store (store (store (store .cse13 .cse14 v_ArrVal_4886) .cse15 v_ArrVal_4884) .cse16 v_ArrVal_4882) .cse17 v_ArrVal_4888) .cse18 v_ArrVal_4885) .cse19 v_ArrVal_4883) .cse20 v_ArrVal_4887)))) (let ((.cse29 (+ 12 (select (select .cse28 |c_ULTIMATE.start_main_~user~0#1.base|) .cse7)))) (or (forall ((v_ArrVal_4850 (Array Int Int)) (v_DerPreprocessor_7 Int) (v_ArrVal_4847 (Array Int Int))) (let ((.cse25 (store .cse28 .cse9 (store (select .cse28 .cse9) .cse29 v_DerPreprocessor_7))) (.cse21 (store .cse8 .cse9 v_ArrVal_4845))) (let ((.cse26 (select (select .cse21 |c_ULTIMATE.start_main_~user~0#1.base|) .cse7)) (.cse27 (select (select .cse25 |c_ULTIMATE.start_main_~user~0#1.base|) .cse7))) (let ((.cse22 (select (select .cse21 .cse26) .cse27)) (.cse23 (select (select .cse25 .cse26) .cse27))) (or (= (select (select (store (store .cse21 .cse22 v_ArrVal_4847) |c_ULTIMATE.start_main_~user~0#1.base| v_ArrVal_4850) .cse22) .cse23) 0) (not (= (let ((.cse24 (+ .cse23 4))) (store (select .cse21 .cse22) .cse24 (select v_ArrVal_4847 .cse24))) v_ArrVal_4847))))))) (not (= (store .cse12 .cse29 (select v_ArrVal_4845 .cse29)) v_ArrVal_4845))))))))))) is different from false [2024-11-27 20:07:14,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1618043361] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:07:14,637 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:07:14,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 17] total 24 [2024-11-27 20:07:14,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472576421] [2024-11-27 20:07:14,637 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 20:07:14,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-27 20:07:14,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:07:14,639 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-27 20:07:14,639 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=523, Unknown=6, NotChecked=306, Total=930 [2024-11-27 20:07:14,639 INFO L87 Difference]: Start difference. First operand 711 states and 983 transitions. Second operand has 24 states, 23 states have (on average 8.391304347826088) internal successors, (193), 23 states have internal predecessors, (193), 3 states have call successors, (4), 3 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-27 20:07:19,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:07:19,921 INFO L93 Difference]: Finished difference Result 2066 states and 2945 transitions. [2024-11-27 20:07:19,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-27 20:07:19,921 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 8.391304347826088) internal successors, (193), 23 states have internal predecessors, (193), 3 states have call successors, (4), 3 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 3 states have call successors, (4) Word has length 124 [2024-11-27 20:07:19,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:07:19,931 INFO L225 Difference]: With dead ends: 2066 [2024-11-27 20:07:19,931 INFO L226 Difference]: Without dead ends: 1462 [2024-11-27 20:07:19,933 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=145, Invalid=803, Unknown=6, NotChecked=378, Total=1332 [2024-11-27 20:07:19,935 INFO L435 NwaCegarLoop]: 461 mSDtfsCounter, 1185 mSDsluCounter, 5298 mSDsCounter, 0 mSdLazyCounter, 1317 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1204 SdHoareTripleChecker+Valid, 5759 SdHoareTripleChecker+Invalid, 1336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-11-27 20:07:19,936 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1204 Valid, 5759 Invalid, 1336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1317 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2024-11-27 20:07:19,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1462 states. [2024-11-27 20:07:19,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1462 to 712. [2024-11-27 20:07:19,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 712 states, 685 states have (on average 1.383941605839416) internal successors, (948), 702 states have internal predecessors, (948), 16 states have call successors, (16), 3 states have call predecessors, (16), 4 states have return successors, (18), 8 states have call predecessors, (18), 16 states have call successors, (18) [2024-11-27 20:07:19,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 712 states and 982 transitions. [2024-11-27 20:07:19,977 INFO L78 Accepts]: Start accepts. Automaton has 712 states and 982 transitions. Word has length 124 [2024-11-27 20:07:19,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:07:19,977 INFO L471 AbstractCegarLoop]: Abstraction has 712 states and 982 transitions. [2024-11-27 20:07:19,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 8.391304347826088) internal successors, (193), 23 states have internal predecessors, (193), 3 states have call successors, (4), 3 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-27 20:07:19,978 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 982 transitions. [2024-11-27 20:07:19,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-27 20:07:19,978 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:07:19,979 INFO L218 NwaCegarLoop]: trace histogram [14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:07:20,006 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-27 20:07:20,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:07:20,183 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 20:07:20,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:07:20,183 INFO L85 PathProgramCache]: Analyzing trace with hash -226803053, now seen corresponding path program 3 times [2024-11-27 20:07:20,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:07:20,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779798143] [2024-11-27 20:07:20,184 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 20:07:20,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:07:20,313 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-27 20:07:20,313 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:07:21,262 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2024-11-27 20:07:21,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:07:21,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779798143] [2024-11-27 20:07:21,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779798143] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:07:21,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:07:21,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-27 20:07:21,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136276738] [2024-11-27 20:07:21,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:07:21,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-27 20:07:21,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:07:21,264 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-27 20:07:21,265 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:07:21,265 INFO L87 Difference]: Start difference. First operand 712 states and 982 transitions. Second operand has 10 states, 10 states have (on average 10.5) internal successors, (105), 10 states have internal predecessors, (105), 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 20:07:25,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 20:07:26,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:07:26,783 INFO L93 Difference]: Finished difference Result 1360 states and 1893 transitions. [2024-11-27 20:07:26,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 20:07:26,785 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.5) internal successors, (105), 10 states have internal predecessors, (105), 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 125 [2024-11-27 20:07:26,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:07:26,789 INFO L225 Difference]: With dead ends: 1360 [2024-11-27 20:07:26,789 INFO L226 Difference]: Without dead ends: 726 [2024-11-27 20:07:26,790 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-11-27 20:07:26,791 INFO L435 NwaCegarLoop]: 457 mSDtfsCounter, 30 mSDsluCounter, 3122 mSDsCounter, 0 mSdLazyCounter, 708 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 3579 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 708 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:07:26,791 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 3579 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 708 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2024-11-27 20:07:26,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 726 states. [2024-11-27 20:07:26,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 726 to 724. [2024-11-27 20:07:26,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 724 states, 697 states have (on average 1.3802008608321377) internal successors, (962), 714 states have internal predecessors, (962), 16 states have call successors, (16), 3 states have call predecessors, (16), 4 states have return successors, (18), 8 states have call predecessors, (18), 16 states have call successors, (18) [2024-11-27 20:07:26,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 996 transitions. [2024-11-27 20:07:26,826 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 996 transitions. Word has length 125 [2024-11-27 20:07:26,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:07:26,827 INFO L471 AbstractCegarLoop]: Abstraction has 724 states and 996 transitions. [2024-11-27 20:07:26,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.5) internal successors, (105), 10 states have internal predecessors, (105), 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 20:07:26,827 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 996 transitions. [2024-11-27 20:07:26,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-27 20:07:26,828 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:07:26,828 INFO L218 NwaCegarLoop]: trace histogram [14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:07:26,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-27 20:07:26,829 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 20:07:26,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:07:26,829 INFO L85 PathProgramCache]: Analyzing trace with hash 80082006, now seen corresponding path program 1 times [2024-11-27 20:07:26,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:07:26,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195663019] [2024-11-27 20:07:26,830 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:26,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:07:27,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:07:27,926 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 7 proven. 86 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-27 20:07:27,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:07:27,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195663019] [2024-11-27 20:07:27,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195663019] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:07:27,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [433516180] [2024-11-27 20:07:27,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:27,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:07:27,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:07:27,932 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:07:27,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-27 20:07:29,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:07:29,265 INFO L256 TraceCheckSpWp]: Trace formula consists of 826 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-27 20:07:29,269 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:07:29,464 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 73 proven. 21 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-27 20:07:29,464 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:07:46,095 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 7 proven. 82 refuted. 4 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-27 20:07:46,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [433516180] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:07:46,095 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:07:46,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 25 [2024-11-27 20:07:46,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810492443] [2024-11-27 20:07:46,095 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:07:46,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-27 20:07:46,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:07:46,096 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-27 20:07:46,096 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=422, Unknown=4, NotChecked=0, Total=600 [2024-11-27 20:07:46,097 INFO L87 Difference]: Start difference. First operand 724 states and 996 transitions. Second operand has 25 states, 25 states have (on average 5.4) internal successors, (135), 25 states have internal predecessors, (135), 2 states have call successors, (3), 2 states have call predecessors, (3), 5 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-27 20:07:47,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:07:47,725 INFO L93 Difference]: Finished difference Result 1345 states and 1871 transitions. [2024-11-27 20:07:47,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-27 20:07:47,726 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 5.4) internal successors, (135), 25 states have internal predecessors, (135), 2 states have call successors, (3), 2 states have call predecessors, (3), 5 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) Word has length 125 [2024-11-27 20:07:47,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:07:47,730 INFO L225 Difference]: With dead ends: 1345 [2024-11-27 20:07:47,730 INFO L226 Difference]: Without dead ends: 734 [2024-11-27 20:07:47,732 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 17.8s TimeCoverageRelationStatistics Valid=454, Invalid=948, Unknown=4, NotChecked=0, Total=1406 [2024-11-27 20:07:47,733 INFO L435 NwaCegarLoop]: 474 mSDtfsCounter, 9 mSDsluCounter, 3777 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 4251 SdHoareTripleChecker+Invalid, 326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-27 20:07:47,733 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 4251 Invalid, 326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-27 20:07:47,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states. [2024-11-27 20:07:47,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 732. [2024-11-27 20:07:47,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 732 states, 705 states have (on average 1.373049645390071) internal successors, (968), 722 states have internal predecessors, (968), 16 states have call successors, (16), 3 states have call predecessors, (16), 4 states have return successors, (18), 8 states have call predecessors, (18), 16 states have call successors, (18) [2024-11-27 20:07:47,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 732 states and 1002 transitions. [2024-11-27 20:07:47,784 INFO L78 Accepts]: Start accepts. Automaton has 732 states and 1002 transitions. Word has length 125 [2024-11-27 20:07:47,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:07:47,785 INFO L471 AbstractCegarLoop]: Abstraction has 732 states and 1002 transitions. [2024-11-27 20:07:47,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 5.4) internal successors, (135), 25 states have internal predecessors, (135), 2 states have call successors, (3), 2 states have call predecessors, (3), 5 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-27 20:07:47,785 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 1002 transitions. [2024-11-27 20:07:47,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-27 20:07:47,786 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:07:47,787 INFO L218 NwaCegarLoop]: trace histogram [22, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:07:47,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-27 20:07:47,987 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:07:47,987 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 20:07:47,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:07:47,988 INFO L85 PathProgramCache]: Analyzing trace with hash 2080322006, now seen corresponding path program 2 times [2024-11-27 20:07:47,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:07:47,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773941864] [2024-11-27 20:07:47,988 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:07:47,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:07:48,367 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 20:07:48,367 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:07:49,872 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 7 proven. 242 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-27 20:07:49,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:07:49,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773941864] [2024-11-27 20:07:49,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773941864] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:07:49,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [377594274] [2024-11-27 20:07:49,872 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:07:49,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:07:49,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:07:49,875 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:07:49,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-27 20:07:50,597 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 20:07:50,597 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:07:50,603 INFO L256 TraceCheckSpWp]: Trace formula consists of 946 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-27 20:07:50,607 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:07:50,615 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-27 20:07:51,338 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 3 [2024-11-27 20:07:51,521 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-27 20:07:51,606 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2024-11-27 20:07:51,607 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:07:53,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [377594274] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:07:53,089 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:07:53,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 8] total 25 [2024-11-27 20:07:53,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504574847] [2024-11-27 20:07:53,090 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 20:07:53,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-27 20:07:53,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:07:53,091 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-27 20:07:53,091 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=830, Unknown=0, NotChecked=0, Total=930 [2024-11-27 20:07:53,091 INFO L87 Difference]: Start difference. First operand 732 states and 1002 transitions. Second operand has 25 states, 25 states have (on average 9.04) internal successors, (226), 25 states have internal predecessors, (226), 3 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-27 20:07:55,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:07:55,798 INFO L93 Difference]: Finished difference Result 1792 states and 2479 transitions. [2024-11-27 20:07:55,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-27 20:07:55,799 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 9.04) internal successors, (226), 25 states have internal predecessors, (226), 3 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 133 [2024-11-27 20:07:55,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:07:55,805 INFO L225 Difference]: With dead ends: 1792 [2024-11-27 20:07:55,805 INFO L226 Difference]: Without dead ends: 1175 [2024-11-27 20:07:55,808 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 149 SyntacticMatches, 3 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 252 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=200, Invalid=2056, Unknown=0, NotChecked=0, Total=2256 [2024-11-27 20:07:55,808 INFO L435 NwaCegarLoop]: 634 mSDtfsCounter, 738 mSDsluCounter, 5703 mSDsCounter, 0 mSdLazyCounter, 834 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 747 SdHoareTripleChecker+Valid, 6337 SdHoareTripleChecker+Invalid, 848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 834 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-27 20:07:55,809 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [747 Valid, 6337 Invalid, 848 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 834 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-27 20:07:55,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1175 states. [2024-11-27 20:07:55,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1175 to 787. [2024-11-27 20:07:55,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 787 states, 757 states have (on average 1.3751651254953765) internal successors, (1041), 775 states have internal predecessors, (1041), 16 states have call successors, (16), 5 states have call predecessors, (16), 7 states have return successors, (18), 8 states have call predecessors, (18), 16 states have call successors, (18) [2024-11-27 20:07:55,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 1075 transitions. [2024-11-27 20:07:55,889 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 1075 transitions. Word has length 133 [2024-11-27 20:07:55,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:07:55,890 INFO L471 AbstractCegarLoop]: Abstraction has 787 states and 1075 transitions. [2024-11-27 20:07:55,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 9.04) internal successors, (226), 25 states have internal predecessors, (226), 3 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-27 20:07:55,890 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1075 transitions. [2024-11-27 20:07:55,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-27 20:07:55,892 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:07:55,892 INFO L218 NwaCegarLoop]: trace histogram [30, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:07:55,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-27 20:07:56,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-27 20:07:56,093 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 20:07:56,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:07:56,094 INFO L85 PathProgramCache]: Analyzing trace with hash -1516781246, now seen corresponding path program 1 times [2024-11-27 20:07:56,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:07:56,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882424311] [2024-11-27 20:07:56,094 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:56,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:07:56,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:07:56,364 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 499 trivial. 0 not checked. [2024-11-27 20:07:56,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:07:56,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882424311] [2024-11-27 20:07:56,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882424311] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:07:56,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:07:56,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:07:56,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39884765] [2024-11-27 20:07:56,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:07:56,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:07:56,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:07:56,366 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:07:56,366 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:07:56,367 INFO L87 Difference]: Start difference. First operand 787 states and 1075 transitions. Second operand has 5 states, 5 states have (on average 32.0) internal successors, (160), 5 states have internal predecessors, (160), 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 20:07:56,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:07:56,949 INFO L93 Difference]: Finished difference Result 1344 states and 1862 transitions. [2024-11-27 20:07:56,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:07:56,949 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.0) internal successors, (160), 5 states have internal predecessors, (160), 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 196 [2024-11-27 20:07:56,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:07:56,952 INFO L225 Difference]: With dead ends: 1344 [2024-11-27 20:07:56,952 INFO L226 Difference]: Without dead ends: 786 [2024-11-27 20:07:56,953 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:07:56,954 INFO L435 NwaCegarLoop]: 578 mSDtfsCounter, 1286 mSDsluCounter, 553 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1292 SdHoareTripleChecker+Valid, 1131 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-27 20:07:56,954 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1292 Valid, 1131 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-27 20:07:56,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2024-11-27 20:07:56,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 598. [2024-11-27 20:07:56,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 598 states, 577 states have (on average 1.34315424610052) internal successors, (775), 589 states have internal predecessors, (775), 9 states have call successors, (9), 4 states have call predecessors, (9), 5 states have return successors, (10), 5 states have call predecessors, (10), 9 states have call successors, (10) [2024-11-27 20:07:56,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 794 transitions. [2024-11-27 20:07:56,998 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 794 transitions. Word has length 196 [2024-11-27 20:07:56,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:07:56,998 INFO L471 AbstractCegarLoop]: Abstraction has 598 states and 794 transitions. [2024-11-27 20:07:56,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.0) internal successors, (160), 5 states have internal predecessors, (160), 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 20:07:56,999 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 794 transitions. [2024-11-27 20:07:57,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-27 20:07:57,000 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:07:57,001 INFO L218 NwaCegarLoop]: trace histogram [30, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:07:57,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-27 20:07:57,001 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 20:07:57,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:07:57,002 INFO L85 PathProgramCache]: Analyzing trace with hash -1307570054, now seen corresponding path program 1 times [2024-11-27 20:07:57,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:07:57,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523503415] [2024-11-27 20:07:57,002 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:57,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:07:57,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:07:57,276 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 501 trivial. 0 not checked. [2024-11-27 20:07:57,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:07:57,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523503415] [2024-11-27 20:07:57,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523503415] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:07:57,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:07:57,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:07:57,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915488159] [2024-11-27 20:07:57,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:07:57,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:07:57,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:07:57,278 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:07:57,278 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:07:57,279 INFO L87 Difference]: Start difference. First operand 598 states and 794 transitions. Second operand has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 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 20:07:57,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:07:57,334 INFO L93 Difference]: Finished difference Result 786 states and 1066 transitions. [2024-11-27 20:07:57,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:07:57,334 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 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 206 [2024-11-27 20:07:57,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:07:57,337 INFO L225 Difference]: With dead ends: 786 [2024-11-27 20:07:57,337 INFO L226 Difference]: Without dead ends: 598 [2024-11-27 20:07:57,338 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 20:07:57,338 INFO L435 NwaCegarLoop]: 475 mSDtfsCounter, 12 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 926 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:07:57,339 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 926 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:07:57,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2024-11-27 20:07:57,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 598. [2024-11-27 20:07:57,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 598 states, 577 states have (on average 1.3379549393414212) internal successors, (772), 589 states have internal predecessors, (772), 9 states have call successors, (9), 4 states have call predecessors, (9), 5 states have return successors, (10), 5 states have call predecessors, (10), 9 states have call successors, (10) [2024-11-27 20:07:57,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 791 transitions. [2024-11-27 20:07:57,371 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 791 transitions. Word has length 206 [2024-11-27 20:07:57,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:07:57,372 INFO L471 AbstractCegarLoop]: Abstraction has 598 states and 791 transitions. [2024-11-27 20:07:57,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 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 20:07:57,372 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 791 transitions. [2024-11-27 20:07:57,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-27 20:07:57,374 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:07:57,374 INFO L218 NwaCegarLoop]: trace histogram [30, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:07:57,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-27 20:07:57,375 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 20:07:57,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:07:57,375 INFO L85 PathProgramCache]: Analyzing trace with hash 1309708204, now seen corresponding path program 1 times [2024-11-27 20:07:57,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:07:57,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922939343] [2024-11-27 20:07:57,376 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:57,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:07:57,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:07:57,778 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 501 trivial. 0 not checked. [2024-11-27 20:07:57,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:07:57,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922939343] [2024-11-27 20:07:57,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922939343] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:07:57,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:07:57,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:07:57,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212729918] [2024-11-27 20:07:57,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:07:57,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:07:57,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:07:57,780 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:07:57,780 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:07:57,780 INFO L87 Difference]: Start difference. First operand 598 states and 791 transitions. Second operand has 4 states, 3 states have (on average 58.333333333333336) internal successors, (175), 4 states have internal predecessors, (175), 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 20:07:57,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:07:57,873 INFO L93 Difference]: Finished difference Result 767 states and 1039 transitions. [2024-11-27 20:07:57,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:07:57,874 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 58.333333333333336) internal successors, (175), 4 states have internal predecessors, (175), 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 212 [2024-11-27 20:07:57,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:07:57,878 INFO L225 Difference]: With dead ends: 767 [2024-11-27 20:07:57,878 INFO L226 Difference]: Without dead ends: 765 [2024-11-27 20:07:57,878 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 20:07:57,879 INFO L435 NwaCegarLoop]: 468 mSDtfsCounter, 278 mSDsluCounter, 719 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 1187 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:07:57,879 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [282 Valid, 1187 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:07:57,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 765 states. [2024-11-27 20:07:57,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 765 to 756. [2024-11-27 20:07:57,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 756 states, 735 states have (on average 1.361904761904762) internal successors, (1001), 747 states have internal predecessors, (1001), 9 states have call successors, (9), 4 states have call predecessors, (9), 5 states have return successors, (10), 5 states have call predecessors, (10), 9 states have call successors, (10) [2024-11-27 20:07:57,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 756 states and 1020 transitions. [2024-11-27 20:07:57,918 INFO L78 Accepts]: Start accepts. Automaton has 756 states and 1020 transitions. Word has length 212 [2024-11-27 20:07:57,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:07:57,919 INFO L471 AbstractCegarLoop]: Abstraction has 756 states and 1020 transitions. [2024-11-27 20:07:57,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 58.333333333333336) internal successors, (175), 4 states have internal predecessors, (175), 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 20:07:57,919 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 1020 transitions. [2024-11-27 20:07:57,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-11-27 20:07:57,921 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:07:57,921 INFO L218 NwaCegarLoop]: trace histogram [30, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:07:57,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-27 20:07:57,921 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 20:07:57,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:07:57,922 INFO L85 PathProgramCache]: Analyzing trace with hash -497677529, now seen corresponding path program 1 times [2024-11-27 20:07:57,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:07:57,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594784989] [2024-11-27 20:07:57,922 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:57,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:07:58,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:07:59,161 INFO L134 CoverageAnalysis]: Checked inductivity of 580 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 509 trivial. 0 not checked. [2024-11-27 20:07:59,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:07:59,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594784989] [2024-11-27 20:07:59,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594784989] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:07:59,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:07:59,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-27 20:07:59,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764708742] [2024-11-27 20:07:59,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:07:59,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-27 20:07:59,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:07:59,163 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-27 20:07:59,163 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-27 20:07:59,163 INFO L87 Difference]: Start difference. First operand 756 states and 1020 transitions. Second operand has 11 states, 11 states have (on average 15.636363636363637) internal successors, (172), 11 states have internal predecessors, (172), 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 20:08:00,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:08:00,645 INFO L93 Difference]: Finished difference Result 1304 states and 1781 transitions. [2024-11-27 20:08:00,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 20:08:00,645 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 15.636363636363637) internal successors, (172), 11 states have internal predecessors, (172), 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 217 [2024-11-27 20:08:00,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:08:00,650 INFO L225 Difference]: With dead ends: 1304 [2024-11-27 20:08:00,650 INFO L226 Difference]: Without dead ends: 777 [2024-11-27 20:08:00,652 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2024-11-27 20:08:00,652 INFO L435 NwaCegarLoop]: 467 mSDtfsCounter, 30 mSDsluCounter, 3154 mSDsCounter, 0 mSdLazyCounter, 815 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 3621 SdHoareTripleChecker+Invalid, 819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 815 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:08:00,652 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 3621 Invalid, 819 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 815 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-27 20:08:00,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 777 states. [2024-11-27 20:08:00,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 777 to 760. [2024-11-27 20:08:00,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 760 states, 739 states have (on average 1.361299052774019) internal successors, (1006), 751 states have internal predecessors, (1006), 9 states have call successors, (9), 4 states have call predecessors, (9), 5 states have return successors, (10), 5 states have call predecessors, (10), 9 states have call successors, (10) [2024-11-27 20:08:00,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 760 states and 1025 transitions. [2024-11-27 20:08:00,694 INFO L78 Accepts]: Start accepts. Automaton has 760 states and 1025 transitions. Word has length 217 [2024-11-27 20:08:00,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:08:00,695 INFO L471 AbstractCegarLoop]: Abstraction has 760 states and 1025 transitions. [2024-11-27 20:08:00,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 15.636363636363637) internal successors, (172), 11 states have internal predecessors, (172), 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 20:08:00,695 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 1025 transitions. [2024-11-27 20:08:00,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-11-27 20:08:00,697 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:08:00,697 INFO L218 NwaCegarLoop]: trace histogram [30, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:08:00,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-27 20:08:00,698 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 20:08:00,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:00,698 INFO L85 PathProgramCache]: Analyzing trace with hash 1893832222, now seen corresponding path program 1 times [2024-11-27 20:08:00,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:08:00,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678706781] [2024-11-27 20:08:00,698 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:00,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:08:00,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:02,073 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 0 proven. 79 refuted. 0 times theorem prover too weak. 499 trivial. 0 not checked. [2024-11-27 20:08:02,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:08:02,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678706781] [2024-11-27 20:08:02,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678706781] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:08:02,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1203535074] [2024-11-27 20:08:02,074 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:02,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:08:02,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:08:02,076 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:08:02,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-27 20:08:03,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:03,067 INFO L256 TraceCheckSpWp]: Trace formula consists of 1410 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 20:08:03,072 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:08:03,107 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-27 20:08:03,352 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-27 20:08:03,372 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 499 trivial. 0 not checked. [2024-11-27 20:08:03,372 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:08:03,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1203535074] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:08:03,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:08:03,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-27 20:08:03,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020588402] [2024-11-27 20:08:03,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:08:03,373 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:08:03,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:08:03,374 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:08:03,374 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:08:03,374 INFO L87 Difference]: Start difference. First operand 760 states and 1025 transitions. Second operand has 5 states, 4 states have (on average 45.25) internal successors, (181), 5 states have internal predecessors, (181), 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 20:08:03,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:08:03,551 INFO L93 Difference]: Finished difference Result 777 states and 1052 transitions. [2024-11-27 20:08:03,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:08:03,552 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 45.25) internal successors, (181), 5 states have internal predecessors, (181), 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 217 [2024-11-27 20:08:03,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:08:03,556 INFO L225 Difference]: With dead ends: 777 [2024-11-27 20:08:03,556 INFO L226 Difference]: Without dead ends: 776 [2024-11-27 20:08:03,556 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-27 20:08:03,557 INFO L435 NwaCegarLoop]: 451 mSDtfsCounter, 362 mSDsluCounter, 695 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 370 SdHoareTripleChecker+Valid, 1146 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:08:03,558 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [370 Valid, 1146 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:08:03,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 776 states. [2024-11-27 20:08:03,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 776 to 759. [2024-11-27 20:08:03,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 759 states, 739 states have (on average 1.3599458728010825) internal successors, (1005), 750 states have internal predecessors, (1005), 9 states have call successors, (9), 4 states have call predecessors, (9), 5 states have return successors, (10), 5 states have call predecessors, (10), 9 states have call successors, (10) [2024-11-27 20:08:03,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 759 states and 1024 transitions. [2024-11-27 20:08:03,600 INFO L78 Accepts]: Start accepts. Automaton has 759 states and 1024 transitions. Word has length 217 [2024-11-27 20:08:03,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:08:03,601 INFO L471 AbstractCegarLoop]: Abstraction has 759 states and 1024 transitions. [2024-11-27 20:08:03,601 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 45.25) internal successors, (181), 5 states have internal predecessors, (181), 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 20:08:03,601 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 1024 transitions. [2024-11-27 20:08:03,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2024-11-27 20:08:03,603 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:08:03,603 INFO L218 NwaCegarLoop]: trace histogram [30, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:08:03,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-27 20:08:03,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:08:03,804 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 20:08:03,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:03,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1420742429, now seen corresponding path program 1 times [2024-11-27 20:08:03,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:08:03,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893163636] [2024-11-27 20:08:03,805 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:03,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:08:03,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:04,520 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 500 trivial. 0 not checked. [2024-11-27 20:08:04,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:08:04,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893163636] [2024-11-27 20:08:04,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893163636] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:08:04,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:08:04,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:08:04,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421916986] [2024-11-27 20:08:04,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:08:04,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:08:04,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:08:04,522 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:08:04,522 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:08:04,523 INFO L87 Difference]: Start difference. First operand 759 states and 1024 transitions. Second operand has 5 states, 4 states have (on average 45.5) internal successors, (182), 5 states have internal predecessors, (182), 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 20:08:04,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:08:04,906 INFO L93 Difference]: Finished difference Result 776 states and 1051 transitions. [2024-11-27 20:08:04,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:08:04,907 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 45.5) internal successors, (182), 5 states have internal predecessors, (182), 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 218 [2024-11-27 20:08:04,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:08:04,912 INFO L225 Difference]: With dead ends: 776 [2024-11-27 20:08:04,912 INFO L226 Difference]: Without dead ends: 775 [2024-11-27 20:08:04,912 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:08:04,913 INFO L435 NwaCegarLoop]: 450 mSDtfsCounter, 360 mSDsluCounter, 1126 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 368 SdHoareTripleChecker+Valid, 1576 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:08:04,913 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [368 Valid, 1576 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 20:08:04,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 775 states. [2024-11-27 20:08:04,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 775 to 758. [2024-11-27 20:08:04,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 758 states, 739 states have (on average 1.3585926928281462) internal successors, (1004), 749 states have internal predecessors, (1004), 9 states have call successors, (9), 4 states have call predecessors, (9), 5 states have return successors, (10), 5 states have call predecessors, (10), 9 states have call successors, (10) [2024-11-27 20:08:04,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 758 states and 1023 transitions. [2024-11-27 20:08:04,977 INFO L78 Accepts]: Start accepts. Automaton has 758 states and 1023 transitions. Word has length 218 [2024-11-27 20:08:04,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:08:04,978 INFO L471 AbstractCegarLoop]: Abstraction has 758 states and 1023 transitions. [2024-11-27 20:08:04,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 45.5) internal successors, (182), 5 states have internal predecessors, (182), 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 20:08:04,978 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 1023 transitions. [2024-11-27 20:08:04,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-11-27 20:08:04,982 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:08:04,982 INFO L218 NwaCegarLoop]: trace histogram [30, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:08:04,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-27 20:08:04,982 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 20:08:04,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:04,983 INFO L85 PathProgramCache]: Analyzing trace with hash -503817118, now seen corresponding path program 1 times [2024-11-27 20:08:04,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:08:04,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25508424] [2024-11-27 20:08:04,983 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:04,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:08:05,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:05,275 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 501 trivial. 0 not checked. [2024-11-27 20:08:05,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:08:05,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25508424] [2024-11-27 20:08:05,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25508424] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:08:05,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:08:05,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:08:05,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799016735] [2024-11-27 20:08:05,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:08:05,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:08:05,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:08:05,276 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:08:05,276 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:08:05,276 INFO L87 Difference]: Start difference. First operand 758 states and 1023 transitions. Second operand has 4 states, 4 states have (on average 46.25) internal successors, (185), 4 states have internal predecessors, (185), 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 20:08:05,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:08:05,376 INFO L93 Difference]: Finished difference Result 1046 states and 1433 transitions. [2024-11-27 20:08:05,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:08:05,377 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 46.25) internal successors, (185), 4 states have internal predecessors, (185), 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 222 [2024-11-27 20:08:05,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:08:05,380 INFO L225 Difference]: With dead ends: 1046 [2024-11-27 20:08:05,380 INFO L226 Difference]: Without dead ends: 764 [2024-11-27 20:08:05,380 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:08:05,381 INFO L435 NwaCegarLoop]: 443 mSDtfsCounter, 106 mSDsluCounter, 792 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 1235 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:08:05,381 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 1235 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:08:05,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 764 states. [2024-11-27 20:08:05,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 764 to 758. [2024-11-27 20:08:05,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 758 states, 739 states have (on average 1.3396481732070364) internal successors, (990), 749 states have internal predecessors, (990), 9 states have call successors, (9), 4 states have call predecessors, (9), 5 states have return successors, (10), 5 states have call predecessors, (10), 9 states have call successors, (10) [2024-11-27 20:08:05,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 758 states and 1009 transitions. [2024-11-27 20:08:05,421 INFO L78 Accepts]: Start accepts. Automaton has 758 states and 1009 transitions. Word has length 222 [2024-11-27 20:08:05,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:08:05,421 INFO L471 AbstractCegarLoop]: Abstraction has 758 states and 1009 transitions. [2024-11-27 20:08:05,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 46.25) internal successors, (185), 4 states have internal predecessors, (185), 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 20:08:05,421 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 1009 transitions. [2024-11-27 20:08:05,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-11-27 20:08:05,423 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:08:05,423 INFO L218 NwaCegarLoop]: trace histogram [30, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:08:05,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-27 20:08:05,423 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 20:08:05,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:05,423 INFO L85 PathProgramCache]: Analyzing trace with hash 398493654, now seen corresponding path program 1 times [2024-11-27 20:08:05,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:08:05,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960951217] [2024-11-27 20:08:05,424 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:05,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:08:05,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:05,815 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 501 trivial. 0 not checked. [2024-11-27 20:08:05,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:08:05,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960951217] [2024-11-27 20:08:05,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960951217] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:08:05,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:08:05,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:08:05,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137065156] [2024-11-27 20:08:05,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:08:05,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:08:05,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:08:05,817 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:08:05,817 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:08:05,817 INFO L87 Difference]: Start difference. First operand 758 states and 1009 transitions. Second operand has 5 states, 5 states have (on average 37.0) internal successors, (185), 5 states have internal predecessors, (185), 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 20:08:05,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:08:05,899 INFO L93 Difference]: Finished difference Result 942 states and 1268 transitions. [2024-11-27 20:08:05,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:08:05,900 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 37.0) internal successors, (185), 5 states have internal predecessors, (185), 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 222 [2024-11-27 20:08:05,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:08:05,902 INFO L225 Difference]: With dead ends: 942 [2024-11-27 20:08:05,902 INFO L226 Difference]: Without dead ends: 761 [2024-11-27 20:08:05,902 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:08:05,903 INFO L435 NwaCegarLoop]: 460 mSDtfsCounter, 262 mSDsluCounter, 1153 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 1613 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:08:05,903 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 1613 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:08:05,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 761 states. [2024-11-27 20:08:05,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 761 to 759. [2024-11-27 20:08:05,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 759 states, 740 states have (on average 1.3391891891891892) internal successors, (991), 750 states have internal predecessors, (991), 9 states have call successors, (9), 4 states have call predecessors, (9), 5 states have return successors, (10), 5 states have call predecessors, (10), 9 states have call successors, (10) [2024-11-27 20:08:05,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 759 states and 1010 transitions. [2024-11-27 20:08:05,944 INFO L78 Accepts]: Start accepts. Automaton has 759 states and 1010 transitions. Word has length 222 [2024-11-27 20:08:05,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:08:05,945 INFO L471 AbstractCegarLoop]: Abstraction has 759 states and 1010 transitions. [2024-11-27 20:08:05,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 37.0) internal successors, (185), 5 states have internal predecessors, (185), 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 20:08:05,945 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 1010 transitions. [2024-11-27 20:08:05,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2024-11-27 20:08:05,947 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:08:05,947 INFO L218 NwaCegarLoop]: trace histogram [30, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:08:05,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-27 20:08:05,948 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 20:08:05,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:05,948 INFO L85 PathProgramCache]: Analyzing trace with hash 1196479803, now seen corresponding path program 1 times [2024-11-27 20:08:05,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:08:05,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533800745] [2024-11-27 20:08:05,949 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:05,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:08:06,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:06,601 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 499 trivial. 0 not checked. [2024-11-27 20:08:06,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:08:06,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533800745] [2024-11-27 20:08:06,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533800745] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:08:06,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [975705247] [2024-11-27 20:08:06,602 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:06,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:08:06,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:08:06,605 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:08:06,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-27 20:08:07,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:07,572 INFO L256 TraceCheckSpWp]: Trace formula consists of 1273 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 20:08:07,576 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:08:07,582 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-27 20:08:07,827 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 501 trivial. 0 not checked. [2024-11-27 20:08:07,827 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:08:07,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [975705247] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:08:07,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:08:07,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2024-11-27 20:08:07,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253146456] [2024-11-27 20:08:07,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:08:07,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:08:07,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:08:07,828 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:08:07,828 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-27 20:08:07,829 INFO L87 Difference]: Start difference. First operand 759 states and 1010 transitions. Second operand has 5 states, 4 states have (on average 46.0) internal successors, (184), 5 states have internal predecessors, (184), 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 20:08:07,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:08:07,988 INFO L93 Difference]: Finished difference Result 771 states and 1022 transitions. [2024-11-27 20:08:07,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:08:07,988 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 46.0) internal successors, (184), 5 states have internal predecessors, (184), 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 223 [2024-11-27 20:08:07,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:08:07,991 INFO L225 Difference]: With dead ends: 771 [2024-11-27 20:08:07,991 INFO L226 Difference]: Without dead ends: 770 [2024-11-27 20:08:07,992 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 221 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-27 20:08:07,992 INFO L435 NwaCegarLoop]: 490 mSDtfsCounter, 686 mSDsluCounter, 933 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 689 SdHoareTripleChecker+Valid, 1423 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:08:07,992 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [689 Valid, 1423 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:08:07,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 770 states. [2024-11-27 20:08:08,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 770 to 768. [2024-11-27 20:08:08,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 768 states, 747 states have (on average 1.3360107095046854) internal successors, (998), 757 states have internal predecessors, (998), 10 states have call successors, (10), 5 states have call predecessors, (10), 6 states have return successors, (11), 6 states have call predecessors, (11), 10 states have call successors, (11) [2024-11-27 20:08:08,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 768 states and 1019 transitions. [2024-11-27 20:08:08,030 INFO L78 Accepts]: Start accepts. Automaton has 768 states and 1019 transitions. Word has length 223 [2024-11-27 20:08:08,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:08:08,031 INFO L471 AbstractCegarLoop]: Abstraction has 768 states and 1019 transitions. [2024-11-27 20:08:08,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 46.0) internal successors, (184), 5 states have internal predecessors, (184), 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 20:08:08,031 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 1019 transitions. [2024-11-27 20:08:08,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-11-27 20:08:08,033 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:08:08,033 INFO L218 NwaCegarLoop]: trace histogram [30, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:08:08,048 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-27 20:08:08,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:08:08,234 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 20:08:08,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:08,235 INFO L85 PathProgramCache]: Analyzing trace with hash -1563830262, now seen corresponding path program 1 times [2024-11-27 20:08:08,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:08:08,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791718124] [2024-11-27 20:08:08,235 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:08,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:08:08,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:08,599 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 501 trivial. 0 not checked. [2024-11-27 20:08:08,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:08:08,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791718124] [2024-11-27 20:08:08,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791718124] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:08:08,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:08:08,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:08:08,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546963622] [2024-11-27 20:08:08,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:08:08,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:08:08,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:08:08,601 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:08:08,601 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:08:08,601 INFO L87 Difference]: Start difference. First operand 768 states and 1019 transitions. Second operand has 5 states, 4 states have (on average 46.25) internal successors, (185), 5 states have internal predecessors, (185), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-27 20:08:08,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:08:08,767 INFO L93 Difference]: Finished difference Result 768 states and 1019 transitions. [2024-11-27 20:08:08,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:08:08,768 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 46.25) internal successors, (185), 5 states have internal predecessors, (185), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 224 [2024-11-27 20:08:08,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:08:08,771 INFO L225 Difference]: With dead ends: 768 [2024-11-27 20:08:08,771 INFO L226 Difference]: Without dead ends: 767 [2024-11-27 20:08:08,772 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:08:08,772 INFO L435 NwaCegarLoop]: 492 mSDtfsCounter, 351 mSDsluCounter, 1159 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 1651 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:08:08,772 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [358 Valid, 1651 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:08:08,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 767 states. [2024-11-27 20:08:08,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 767 to 767. [2024-11-27 20:08:08,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 767 states, 747 states have (on average 1.3346720214190093) internal successors, (997), 756 states have internal predecessors, (997), 10 states have call successors, (10), 5 states have call predecessors, (10), 6 states have return successors, (11), 6 states have call predecessors, (11), 10 states have call successors, (11) [2024-11-27 20:08:08,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 767 states and 1018 transitions. [2024-11-27 20:08:08,809 INFO L78 Accepts]: Start accepts. Automaton has 767 states and 1018 transitions. Word has length 224 [2024-11-27 20:08:08,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:08:08,810 INFO L471 AbstractCegarLoop]: Abstraction has 767 states and 1018 transitions. [2024-11-27 20:08:08,810 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 46.25) internal successors, (185), 5 states have internal predecessors, (185), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-27 20:08:08,810 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 1018 transitions. [2024-11-27 20:08:08,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-11-27 20:08:08,812 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:08:08,812 INFO L218 NwaCegarLoop]: trace histogram [30, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:08:08,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-27 20:08:08,812 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 20:08:08,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:08,813 INFO L85 PathProgramCache]: Analyzing trace with hash -795851192, now seen corresponding path program 1 times [2024-11-27 20:08:08,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:08:08,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229192210] [2024-11-27 20:08:08,813 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:08,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:08:10,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:11,437 INFO L134 CoverageAnalysis]: Checked inductivity of 593 backedges. 67 proven. 378 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-27 20:08:11,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:08:11,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229192210] [2024-11-27 20:08:11,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229192210] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:08:11,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [183586331] [2024-11-27 20:08:11,438 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:11,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:08:11,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:08:11,444 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:08:11,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-27 20:08:12,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:12,922 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-27 20:08:12,930 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:08:12,935 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-27 20:08:13,633 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-11-27 20:08:13,702 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-27 20:08:13,762 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-27 20:08:14,795 INFO L134 CoverageAnalysis]: Checked inductivity of 593 backedges. 58 proven. 36 refuted. 0 times theorem prover too weak. 499 trivial. 0 not checked. [2024-11-27 20:08:14,795 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:08:19,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [183586331] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:08:19,194 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:08:19,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 14] total 31 [2024-11-27 20:08:19,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400115573] [2024-11-27 20:08:19,195 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 20:08:19,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-11-27 20:08:19,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:08:19,196 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-11-27 20:08:19,196 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=1572, Unknown=0, NotChecked=0, Total=1722 [2024-11-27 20:08:19,197 INFO L87 Difference]: Start difference. First operand 767 states and 1018 transitions. Second operand has 31 states, 31 states have (on average 10.129032258064516) internal successors, (314), 31 states have internal predecessors, (314), 3 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-27 20:08:26,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:08:26,865 INFO L93 Difference]: Finished difference Result 1583 states and 2116 transitions. [2024-11-27 20:08:26,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-27 20:08:26,866 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 10.129032258064516) internal successors, (314), 31 states have internal predecessors, (314), 3 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 225 [2024-11-27 20:08:26,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:08:26,875 INFO L225 Difference]: With dead ends: 1583 [2024-11-27 20:08:26,875 INFO L226 Difference]: Without dead ends: 952 [2024-11-27 20:08:26,876 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 384 GetRequests, 316 SyntacticMatches, 3 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 528 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=360, Invalid=4062, Unknown=0, NotChecked=0, Total=4422 [2024-11-27 20:08:26,881 INFO L435 NwaCegarLoop]: 608 mSDtfsCounter, 614 mSDsluCounter, 9799 mSDsCounter, 0 mSdLazyCounter, 2845 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 617 SdHoareTripleChecker+Valid, 10407 SdHoareTripleChecker+Invalid, 2852 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2845 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2024-11-27 20:08:26,881 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [617 Valid, 10407 Invalid, 2852 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2845 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2024-11-27 20:08:26,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 952 states. [2024-11-27 20:08:26,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 952 to 798. [2024-11-27 20:08:26,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 798 states, 778 states have (on average 1.3226221079691516) internal successors, (1029), 787 states have internal predecessors, (1029), 10 states have call successors, (10), 5 states have call predecessors, (10), 6 states have return successors, (11), 6 states have call predecessors, (11), 10 states have call successors, (11) [2024-11-27 20:08:26,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 798 states and 1050 transitions. [2024-11-27 20:08:26,928 INFO L78 Accepts]: Start accepts. Automaton has 798 states and 1050 transitions. Word has length 225 [2024-11-27 20:08:26,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:08:26,929 INFO L471 AbstractCegarLoop]: Abstraction has 798 states and 1050 transitions. [2024-11-27 20:08:26,929 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 10.129032258064516) internal successors, (314), 31 states have internal predecessors, (314), 3 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-27 20:08:26,929 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 1050 transitions. [2024-11-27 20:08:26,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2024-11-27 20:08:26,931 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:08:26,931 INFO L218 NwaCegarLoop]: trace histogram [32, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:08:26,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-11-27 20:08:27,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-11-27 20:08:27,132 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 20:08:27,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:27,133 INFO L85 PathProgramCache]: Analyzing trace with hash -1754366347, now seen corresponding path program 1 times [2024-11-27 20:08:27,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:08:27,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071761990] [2024-11-27 20:08:27,133 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:27,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:08:28,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:29,512 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 72 proven. 427 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2024-11-27 20:08:29,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:08:29,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071761990] [2024-11-27 20:08:29,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071761990] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:08:29,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [209620172] [2024-11-27 20:08:29,512 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:29,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:08:29,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:08:29,514 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:08:29,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-27 20:08:31,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:31,920 INFO L256 TraceCheckSpWp]: Trace formula consists of 1490 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-27 20:08:31,924 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:08:32,669 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 606 trivial. 0 not checked. [2024-11-27 20:08:32,669 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:08:32,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [209620172] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:08:32,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:08:32,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [20] total 28 [2024-11-27 20:08:32,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79173771] [2024-11-27 20:08:32,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:08:32,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-27 20:08:32,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:08:32,670 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-27 20:08:32,671 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=687, Unknown=0, NotChecked=0, Total=756 [2024-11-27 20:08:32,671 INFO L87 Difference]: Start difference. First operand 798 states and 1050 transitions. Second operand has 10 states, 10 states have (on average 15.2) internal successors, (152), 10 states have internal predecessors, (152), 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 20:08:33,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:08:33,632 INFO L93 Difference]: Finished difference Result 1547 states and 2053 transitions. [2024-11-27 20:08:33,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 20:08:33,634 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 15.2) internal successors, (152), 10 states have internal predecessors, (152), 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 230 [2024-11-27 20:08:33,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:08:33,637 INFO L225 Difference]: With dead ends: 1547 [2024-11-27 20:08:33,637 INFO L226 Difference]: Without dead ends: 828 [2024-11-27 20:08:33,639 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=69, Invalid=687, Unknown=0, NotChecked=0, Total=756 [2024-11-27 20:08:33,639 INFO L435 NwaCegarLoop]: 450 mSDtfsCounter, 12 mSDsluCounter, 3103 mSDsCounter, 0 mSdLazyCounter, 729 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 3553 SdHoareTripleChecker+Invalid, 731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 729 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-27 20:08:33,639 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 3553 Invalid, 731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 729 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-27 20:08:33,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2024-11-27 20:08:33,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 802. [2024-11-27 20:08:33,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 802 states, 782 states have (on average 1.3235294117647058) internal successors, (1035), 791 states have internal predecessors, (1035), 10 states have call successors, (10), 5 states have call predecessors, (10), 6 states have return successors, (11), 6 states have call predecessors, (11), 10 states have call successors, (11) [2024-11-27 20:08:33,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 802 states and 1056 transitions. [2024-11-27 20:08:33,677 INFO L78 Accepts]: Start accepts. Automaton has 802 states and 1056 transitions. Word has length 230 [2024-11-27 20:08:33,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:08:33,677 INFO L471 AbstractCegarLoop]: Abstraction has 802 states and 1056 transitions. [2024-11-27 20:08:33,677 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 15.2) internal successors, (152), 10 states have internal predecessors, (152), 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 20:08:33,677 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 1056 transitions. [2024-11-27 20:08:33,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2024-11-27 20:08:33,678 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:08:33,678 INFO L218 NwaCegarLoop]: trace histogram [32, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:08:33,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-27 20:08:33,878 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-11-27 20:08:33,879 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 20:08:33,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:33,879 INFO L85 PathProgramCache]: Analyzing trace with hash 2092581155, now seen corresponding path program 1 times [2024-11-27 20:08:33,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:08:33,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094740468] [2024-11-27 20:08:33,879 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:33,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:08:34,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:35,764 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 72 proven. 427 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2024-11-27 20:08:35,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:08:35,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094740468] [2024-11-27 20:08:35,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094740468] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:08:35,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [758781197] [2024-11-27 20:08:35,765 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:35,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:08:35,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:08:35,767 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:08:35,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f097a579-88cd-4fb5-af03-b7f4dad35b78/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-27 20:08:39,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:39,743 INFO L256 TraceCheckSpWp]: Trace formula consists of 1484 conjuncts, 331 conjuncts are in the unsatisfiable core [2024-11-27 20:08:39,772 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:08:39,780 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-27 20:08:40,352 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-27 20:08:40,381 INFO L349 Elim1Store]: treesize reduction 26, result has 35.0 percent of original size [2024-11-27 20:08:40,382 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 29 [2024-11-27 20:08:40,397 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-27 20:08:40,605 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2024-11-27 20:08:40,611 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-11-27 20:08:41,392 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-27 20:08:41,392 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 51 [2024-11-27 20:08:41,410 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11 [2024-11-27 20:08:47,516 INFO L224 Elim1Store]: Index analysis took 494 ms