./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-2.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_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1 --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 0672e9446c2cfbd152a4f960adca314d72e71aa68b29fd9a83ebc5c34f7546dd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 14:49:44,119 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 14:49:44,171 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-12-02 14:49:44,175 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 14:49:44,176 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 14:49:44,196 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 14:49:44,197 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 14:49:44,197 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 14:49:44,197 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 14:49:44,198 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 14:49:44,198 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 14:49:44,198 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 14:49:44,198 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 14:49:44,198 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 14:49:44,198 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 14:49:44,198 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 14:49:44,199 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 14:49:44,199 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 14:49:44,199 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 14:49:44,199 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 14:49:44,199 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 14:49:44,199 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 14:49:44,199 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 14:49:44,199 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 14:49:44,199 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-02 14:49:44,199 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 14:49:44,200 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 14:49:44,200 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 14:49:44,200 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 14:49:44,200 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 14:49:44,200 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 14:49:44,200 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:49:44,200 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:49:44,200 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:49:44,200 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:49:44,200 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 14:49:44,201 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:49:44,201 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:49:44,201 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:49:44,201 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:49:44,201 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 14:49:44,201 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 14:49:44,201 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 14:49:44,201 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 14:49:44,201 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 14:49:44,202 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 14:49:44,202 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 14:49:44,202 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 14:49:44,202 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 14:49:44,202 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 14:49:44,202 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_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! 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 -> 0672e9446c2cfbd152a4f960adca314d72e71aa68b29fd9a83ebc5c34f7546dd [2024-12-02 14:49:44,408 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 14:49:44,415 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 14:49:44,417 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 14:49:44,418 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 14:49:44,419 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 14:49:44,420 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-2.i [2024-12-02 14:49:46,982 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/data/ad2713659/f50873091ee3458592f7e75aa3179051/FLAG4a77649dc [2024-12-02 14:49:47,314 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 14:49:47,314 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-2.i [2024-12-02 14:49:47,330 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/data/ad2713659/f50873091ee3458592f7e75aa3179051/FLAG4a77649dc [2024-12-02 14:49:47,563 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/data/ad2713659/f50873091ee3458592f7e75aa3179051 [2024-12-02 14:49:47,564 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 14:49:47,565 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 14:49:47,566 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 14:49:47,566 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 14:49:47,569 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 14:49:47,569 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:49:47" (1/1) ... [2024-12-02 14:49:47,570 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77f24274 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:49:47, skipping insertion in model container [2024-12-02 14:49:47,570 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:49:47" (1/1) ... [2024-12-02 14:49:47,613 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 14:49:48,145 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:49:48,156 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 14:49:48,277 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:49:48,310 INFO L204 MainTranslator]: Completed translation [2024-12-02 14:49:48,310 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:49:48 WrapperNode [2024-12-02 14:49:48,310 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 14:49:48,311 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 14:49:48,311 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 14:49:48,312 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 14:49:48,318 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:49:48" (1/1) ... [2024-12-02 14:49:48,348 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:49:48" (1/1) ... [2024-12-02 14:49:48,448 INFO L138 Inliner]: procedures = 177, calls = 775, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3421 [2024-12-02 14:49:48,448 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 14:49:48,448 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 14:49:48,449 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 14:49:48,449 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 14:49:48,458 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:49:48" (1/1) ... [2024-12-02 14:49:48,458 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:49:48" (1/1) ... [2024-12-02 14:49:48,471 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:49:48" (1/1) ... [2024-12-02 14:49:48,540 INFO L175 MemorySlicer]: Split 256 memory accesses to 3 slices as follows [220, 2, 34]. 86 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [0, 2, 0]. The 54 writes are split as follows [50, 0, 4]. [2024-12-02 14:49:48,541 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:49:48" (1/1) ... [2024-12-02 14:49:48,541 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:49:48" (1/1) ... [2024-12-02 14:49:48,583 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:49:48" (1/1) ... [2024-12-02 14:49:48,586 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:49:48" (1/1) ... [2024-12-02 14:49:48,606 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:49:48" (1/1) ... [2024-12-02 14:49:48,612 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:49:48" (1/1) ... [2024-12-02 14:49:48,618 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:49:48" (1/1) ... [2024-12-02 14:49:48,633 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 14:49:48,634 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 14:49:48,634 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 14:49:48,634 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 14:49:48,635 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:49:48" (1/1) ... [2024-12-02 14:49:48,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:49:48,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:49:48,662 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 14:49:48,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 14:49:48,688 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-12-02 14:49:48,688 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-12-02 14:49:48,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 14:49:48,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 14:49:48,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 14:49:48,688 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-02 14:49:48,688 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-02 14:49:48,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 14:49:48,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 14:49:48,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 14:49:48,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-12-02 14:49:48,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-12-02 14:49:48,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-12-02 14:49:48,689 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-12-02 14:49:48,689 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-12-02 14:49:48,689 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-12-02 14:49:48,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 14:49:48,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 14:49:48,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 14:49:48,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 14:49:48,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 14:49:48,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 14:49:48,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 14:49:48,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 14:49:48,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 14:49:48,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 14:49:48,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 14:49:48,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 14:49:48,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 14:49:48,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 14:49:48,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 14:49:48,873 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 14:49:48,874 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 14:49:51,371 INFO L? ?]: Removed 834 outVars from TransFormulas that were not future-live. [2024-12-02 14:49:51,371 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 14:49:51,401 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 14:49:51,401 INFO L312 CfgBuilder]: Removed 36 assume(true) statements. [2024-12-02 14:49:51,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:49:51 BoogieIcfgContainer [2024-12-02 14:49:51,402 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 14:49:51,404 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 14:49:51,404 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 14:49:51,407 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 14:49:51,407 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:49:47" (1/3) ... [2024-12-02 14:49:51,408 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a0e9d69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:49:51, skipping insertion in model container [2024-12-02 14:49:51,408 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:49:48" (2/3) ... [2024-12-02 14:49:51,408 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a0e9d69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:49:51, skipping insertion in model container [2024-12-02 14:49:51,408 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:49:51" (3/3) ... [2024-12-02 14:49:51,409 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test9-2.i [2024-12-02 14:49:51,420 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 14:49:51,421 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_OAT_test9-2.i that has 6 procedures, 1436 locations, 1 initial locations, 38 loop locations, and 8 error locations. [2024-12-02 14:49:51,489 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 14:49:51,498 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;@71ab0aae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 14:49:51,498 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-12-02 14:49:51,505 INFO L276 IsEmpty]: Start isEmpty. Operand has 1428 states, 911 states have (on average 1.826564215148189) internal successors, (1664), 1421 states have internal predecessors, (1664), 505 states have call successors, (505), 3 states have call predecessors, (505), 3 states have return successors, (505), 6 states have call predecessors, (505), 505 states have call successors, (505) [2024-12-02 14:49:51,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-02 14:49:51,509 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:49:51,509 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:49:51,509 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)] === [2024-12-02 14:49:51,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:49:51,513 INFO L85 PathProgramCache]: Analyzing trace with hash 1000487724, now seen corresponding path program 1 times [2024-12-02 14:49:51,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:49:51,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22146580] [2024-12-02 14:49:51,518 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:49:51,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:49:51,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 14:49:51,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [796472584] [2024-12-02 14:49:51,608 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:49:51,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:49:51,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:49:51,610 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:49:51,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 14:49:51,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:49:51,758 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 14:49:51,765 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:49:51,788 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 [2024-12-02 14:49:51,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 14:49:51,830 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:49:51,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:49:51,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22146580] [2024-12-02 14:49:51,831 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-02 14:49:51,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [796472584] [2024-12-02 14:49:51,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [796472584] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:49:51,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:49:51,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:49:51,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846399990] [2024-12-02 14:49:51,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:49:51,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 14:49:51,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:49:51,850 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 14:49:51,850 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 14:49:51,854 INFO L87 Difference]: Start difference. First operand has 1428 states, 911 states have (on average 1.826564215148189) internal successors, (1664), 1421 states have internal predecessors, (1664), 505 states have call successors, (505), 3 states have call predecessors, (505), 3 states have return successors, (505), 6 states have call predecessors, (505), 505 states have call successors, (505) 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) [2024-12-02 14:49:53,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:49:53,095 INFO L93 Difference]: Finished difference Result 4262 states and 9002 transitions. [2024-12-02 14:49:53,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 14:49:53,098 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 [2024-12-02 14:49:53,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:49:53,134 INFO L225 Difference]: With dead ends: 4262 [2024-12-02 14:49:53,134 INFO L226 Difference]: Without dead ends: 2759 [2024-12-02 14:49:53,151 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 [2024-12-02 14:49:53,153 INFO L435 NwaCegarLoop]: 2834 mSDtfsCounter, 1574 mSDsluCounter, 4905 mSDsCounter, 0 mSdLazyCounter, 579 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2077 SdHoareTripleChecker+Valid, 7739 SdHoareTripleChecker+Invalid, 581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 14:49:53,154 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2077 Valid, 7739 Invalid, 581 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 579 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 14:49:53,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2759 states. [2024-12-02 14:49:53,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2759 to 1391. [2024-12-02 14:49:53,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1391 states, 878 states have (on average 1.7630979498861048) internal successors, (1548), 1385 states have internal predecessors, (1548), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2024-12-02 14:49:53,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1391 states to 1391 states and 2554 transitions. [2024-12-02 14:49:53,574 INFO L78 Accepts]: Start accepts. Automaton has 1391 states and 2554 transitions. Word has length 8 [2024-12-02 14:49:53,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:49:53,575 INFO L471 AbstractCegarLoop]: Abstraction has 1391 states and 2554 transitions. [2024-12-02 14:49:53,575 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) [2024-12-02 14:49:53,575 INFO L276 IsEmpty]: Start isEmpty. Operand 1391 states and 2554 transitions. [2024-12-02 14:49:53,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-02 14:49:53,575 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:49:53,575 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:49:53,583 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 14:49:53,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 14:49:53,776 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-02 14:49:53,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:49:53,777 INFO L85 PathProgramCache]: Analyzing trace with hash 950348457, now seen corresponding path program 1 times [2024-12-02 14:49:53,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:49:53,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236359004] [2024-12-02 14:49:53,777 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:49:53,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:49:53,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 14:49:53,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1745199552] [2024-12-02 14:49:53,802 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:49:53,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:49:53,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:49:53,804 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:49:53,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 14:49:53,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:49:53,935 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 14:49:53,937 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:49:53,941 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 [2024-12-02 14:49:53,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 14:49:53,962 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:49:53,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:49:53,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236359004] [2024-12-02 14:49:53,962 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-02 14:49:53,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1745199552] [2024-12-02 14:49:53,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1745199552] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:49:53,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:49:53,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:49:53,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667592485] [2024-12-02 14:49:53,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:49:53,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 14:49:53,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:49:53,964 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 14:49:53,964 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 14:49:53,964 INFO L87 Difference]: Start difference. First operand 1391 states and 2554 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 14:49:54,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:49:54,808 INFO L93 Difference]: Finished difference Result 2759 states and 5084 transitions. [2024-12-02 14:49:54,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 14:49:54,809 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-12-02 14:49:54,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:49:54,831 INFO L225 Difference]: With dead ends: 2759 [2024-12-02 14:49:54,831 INFO L226 Difference]: Without dead ends: 2758 [2024-12-02 14:49:54,833 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:49:54,834 INFO L435 NwaCegarLoop]: 2787 mSDtfsCounter, 1523 mSDsluCounter, 4806 mSDsCounter, 0 mSdLazyCounter, 572 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2026 SdHoareTripleChecker+Valid, 7593 SdHoareTripleChecker+Invalid, 574 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 14:49:54,834 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2026 Valid, 7593 Invalid, 574 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 572 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 14:49:54,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2758 states. [2024-12-02 14:49:55,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2758 to 1392. [2024-12-02 14:49:55,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1392 states, 879 states have (on average 1.7622298065984072) internal successors, (1549), 1386 states have internal predecessors, (1549), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2024-12-02 14:49:55,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1392 states to 1392 states and 2555 transitions. [2024-12-02 14:49:55,182 INFO L78 Accepts]: Start accepts. Automaton has 1392 states and 2555 transitions. Word has length 9 [2024-12-02 14:49:55,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:49:55,183 INFO L471 AbstractCegarLoop]: Abstraction has 1392 states and 2555 transitions. [2024-12-02 14:49:55,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 14:49:55,183 INFO L276 IsEmpty]: Start isEmpty. Operand 1392 states and 2555 transitions. [2024-12-02 14:49:55,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-12-02 14:49:55,185 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:49:55,185 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] [2024-12-02 14:49:55,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 14:49:55,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:49:55,386 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-02 14:49:55,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:49:55,386 INFO L85 PathProgramCache]: Analyzing trace with hash 1518090925, now seen corresponding path program 1 times [2024-12-02 14:49:55,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:49:55,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251585928] [2024-12-02 14:49:55,386 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:49:55,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:49:55,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:49:55,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 14:49:55,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:49:55,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251585928] [2024-12-02 14:49:55,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251585928] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:49:55,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:49:55,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 14:49:55,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405229917] [2024-12-02 14:49:55,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:49:55,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 14:49:55,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:49:55,729 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 14:49:55,730 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 14:49:55,730 INFO L87 Difference]: Start difference. First operand 1392 states and 2555 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) [2024-12-02 14:49:56,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:49:56,533 INFO L93 Difference]: Finished difference Result 3929 states and 7328 transitions. [2024-12-02 14:49:56,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 14:49:56,534 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 [2024-12-02 14:49:56,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:49:56,556 INFO L225 Difference]: With dead ends: 3929 [2024-12-02 14:49:56,556 INFO L226 Difference]: Without dead ends: 2757 [2024-12-02 14:49:56,562 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 [2024-12-02 14:49:56,563 INFO L435 NwaCegarLoop]: 2760 mSDtfsCounter, 1526 mSDsluCounter, 4780 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2029 SdHoareTripleChecker+Valid, 7540 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 14:49:56,563 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2029 Valid, 7540 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 14:49:56,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2757 states. [2024-12-02 14:49:56,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2757 to 1392. [2024-12-02 14:49:56,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1392 states, 879 states have (on average 1.7610921501706485) internal successors, (1548), 1386 states have internal predecessors, (1548), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2024-12-02 14:49:56,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1392 states to 1392 states and 2554 transitions. [2024-12-02 14:49:56,934 INFO L78 Accepts]: Start accepts. Automaton has 1392 states and 2554 transitions. Word has length 64 [2024-12-02 14:49:56,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:49:56,934 INFO L471 AbstractCegarLoop]: Abstraction has 1392 states and 2554 transitions. [2024-12-02 14:49:56,934 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) [2024-12-02 14:49:56,934 INFO L276 IsEmpty]: Start isEmpty. Operand 1392 states and 2554 transitions. [2024-12-02 14:49:56,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-12-02 14:49:56,936 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:49:56,937 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] [2024-12-02 14:49:56,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 14:49:56,937 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)] === [2024-12-02 14:49:56,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:49:56,937 INFO L85 PathProgramCache]: Analyzing trace with hash -1007752753, now seen corresponding path program 1 times [2024-12-02 14:49:56,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:49:56,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098695277] [2024-12-02 14:49:56,938 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:49:56,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:49:56,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:49:57,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 14:49:57,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:49:57,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098695277] [2024-12-02 14:49:57,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098695277] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:49:57,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:49:57,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 14:49:57,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031454351] [2024-12-02 14:49:57,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:49:57,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 14:49:57,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:49:57,167 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 14:49:57,168 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 14:49:57,168 INFO L87 Difference]: Start difference. First operand 1392 states and 2554 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) [2024-12-02 14:49:57,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:49:57,299 INFO L93 Difference]: Finished difference Result 2778 states and 5102 transitions. [2024-12-02 14:49:57,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 14:49:57,299 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 [2024-12-02 14:49:57,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:49:57,310 INFO L225 Difference]: With dead ends: 2778 [2024-12-02 14:49:57,310 INFO L226 Difference]: Without dead ends: 1395 [2024-12-02 14:49:57,314 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 [2024-12-02 14:49:57,315 INFO L435 NwaCegarLoop]: 2519 mSDtfsCounter, 106 mSDsluCounter, 4944 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 7463 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:49:57,315 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 7463 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:49:57,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1395 states. [2024-12-02 14:49:57,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1395 to 1392. [2024-12-02 14:49:57,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1392 states, 879 states have (on average 1.7531285551763367) internal successors, (1541), 1386 states have internal predecessors, (1541), 503 states have call successors, (503), 2 states have call predecessors, (503), 2 states have return successors, (503), 4 states have call predecessors, (503), 503 states have call successors, (503) [2024-12-02 14:49:57,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1392 states to 1392 states and 2547 transitions. [2024-12-02 14:49:57,485 INFO L78 Accepts]: Start accepts. Automaton has 1392 states and 2547 transitions. Word has length 82 [2024-12-02 14:49:57,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:49:57,486 INFO L471 AbstractCegarLoop]: Abstraction has 1392 states and 2547 transitions. [2024-12-02 14:49:57,486 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) [2024-12-02 14:49:57,486 INFO L276 IsEmpty]: Start isEmpty. Operand 1392 states and 2547 transitions. [2024-12-02 14:49:57,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-12-02 14:49:57,488 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:49:57,488 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] [2024-12-02 14:49:57,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 14:49:57,488 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)] === [2024-12-02 14:49:57,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:49:57,489 INFO L85 PathProgramCache]: Analyzing trace with hash 313503171, now seen corresponding path program 1 times [2024-12-02 14:49:57,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:49:57,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780354288] [2024-12-02 14:49:57,489 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:49:57,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:49:57,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:49:57,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 14:49:57,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:49:57,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780354288] [2024-12-02 14:49:57,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780354288] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:49:57,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:49:57,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:49:57,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162397955] [2024-12-02 14:49:57,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:49:57,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:49:57,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:49:57,652 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:49:57,652 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:49:57,653 INFO L87 Difference]: Start difference. First operand 1392 states and 2547 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) [2024-12-02 14:49:57,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:49:57,805 INFO L93 Difference]: Finished difference Result 4048 states and 7485 transitions. [2024-12-02 14:49:57,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:49:57,805 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 [2024-12-02 14:49:57,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:49:57,828 INFO L225 Difference]: With dead ends: 4048 [2024-12-02 14:49:57,828 INFO L226 Difference]: Without dead ends: 2665 [2024-12-02 14:49:57,835 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 [2024-12-02 14:49:57,836 INFO L435 NwaCegarLoop]: 2997 mSDtfsCounter, 1345 mSDsluCounter, 2526 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1845 SdHoareTripleChecker+Valid, 5523 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 [2024-12-02 14:49:57,836 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1845 Valid, 5523 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:49:57,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2665 states. [2024-12-02 14:49:58,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2665 to 2661. [2024-12-02 14:49:58,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2661 states, 1648 states have (on average 1.783373786407767) internal successors, (2939), 2655 states have internal predecessors, (2939), 1003 states have call successors, (1003), 2 states have call predecessors, (1003), 2 states have return successors, (1003), 5 states have call predecessors, (1003), 1003 states have call successors, (1003) [2024-12-02 14:49:58,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2661 states to 2661 states and 4945 transitions. [2024-12-02 14:49:58,244 INFO L78 Accepts]: Start accepts. Automaton has 2661 states and 4945 transitions. Word has length 82 [2024-12-02 14:49:58,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:49:58,244 INFO L471 AbstractCegarLoop]: Abstraction has 2661 states and 4945 transitions. [2024-12-02 14:49:58,244 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) [2024-12-02 14:49:58,245 INFO L276 IsEmpty]: Start isEmpty. Operand 2661 states and 4945 transitions. [2024-12-02 14:49:58,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-02 14:49:58,246 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:49:58,246 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] [2024-12-02 14:49:58,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 14:49:58,246 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-02 14:49:58,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:49:58,247 INFO L85 PathProgramCache]: Analyzing trace with hash -881293087, now seen corresponding path program 1 times [2024-12-02 14:49:58,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:49:58,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450268040] [2024-12-02 14:49:58,247 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:49:58,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:49:58,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:49:58,731 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 14:49:58,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:49:58,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450268040] [2024-12-02 14:49:58,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450268040] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:49:58,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:49:58,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:49:58,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837664182] [2024-12-02 14:49:58,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:49:58,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 14:49:58,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:49:58,733 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 14:49:58,734 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 14:49:58,734 INFO L87 Difference]: Start difference. First operand 2661 states and 4945 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) [2024-12-02 14:49:59,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:49:59,568 INFO L93 Difference]: Finished difference Result 4907 states and 9290 transitions. [2024-12-02 14:49:59,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 14:49:59,568 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 [2024-12-02 14:49:59,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:49:59,604 INFO L225 Difference]: With dead ends: 4907 [2024-12-02 14:49:59,604 INFO L226 Difference]: Without dead ends: 4905 [2024-12-02 14:49:59,607 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 [2024-12-02 14:49:59,608 INFO L435 NwaCegarLoop]: 2767 mSDtfsCounter, 1432 mSDsluCounter, 4779 mSDsCounter, 0 mSdLazyCounter, 568 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1933 SdHoareTripleChecker+Valid, 7546 SdHoareTripleChecker+Invalid, 570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 14:49:59,608 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1933 Valid, 7546 Invalid, 570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 568 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 14:49:59,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4905 states. [2024-12-02 14:50:00,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4905 to 2727. [2024-12-02 14:50:00,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2727 states, 1711 states have (on average 1.7644652250146113) internal successors, (3019), 2718 states have internal predecessors, (3019), 1006 states have call successors, (1006), 2 states have call predecessors, (1006), 2 states have return successors, (1006), 8 states have call predecessors, (1006), 1006 states have call successors, (1006) [2024-12-02 14:50:00,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2727 states to 2727 states and 5031 transitions. [2024-12-02 14:50:00,366 INFO L78 Accepts]: Start accepts. Automaton has 2727 states and 5031 transitions. Word has length 97 [2024-12-02 14:50:00,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:50:00,367 INFO L471 AbstractCegarLoop]: Abstraction has 2727 states and 5031 transitions. [2024-12-02 14:50:00,367 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) [2024-12-02 14:50:00,367 INFO L276 IsEmpty]: Start isEmpty. Operand 2727 states and 5031 transitions. [2024-12-02 14:50:00,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-12-02 14:50:00,368 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:50:00,368 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] [2024-12-02 14:50:00,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 14:50:00,368 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)] === [2024-12-02 14:50:00,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:50:00,369 INFO L85 PathProgramCache]: Analyzing trace with hash 1639951242, now seen corresponding path program 1 times [2024-12-02 14:50:00,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:50:00,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016233603] [2024-12-02 14:50:00,369 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:50:00,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:50:00,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:50:00,924 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-02 14:50:00,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:50:00,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016233603] [2024-12-02 14:50:00,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016233603] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:50:00,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1274530646] [2024-12-02 14:50:00,925 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:50:00,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:50:00,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:50:00,927 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:50:00,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 14:50:01,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:50:01,228 INFO L256 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-12-02 14:50:01,233 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:50:01,237 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 [2024-12-02 14:50:01,256 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 [2024-12-02 14:50:01,274 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 [2024-12-02 14:50:06,561 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 14:50:06,562 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 54 treesize of output 38 [2024-12-02 14:50:06,987 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 14:50:06,987 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:50:06,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1274530646] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:50:06,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:50:06,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [4] total 13 [2024-12-02 14:50:06,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704026704] [2024-12-02 14:50:06,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:50:06,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 14:50:06,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:50:06,989 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 14:50:06,989 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=125, Unknown=1, NotChecked=0, Total=156 [2024-12-02 14:50:06,989 INFO L87 Difference]: Start difference. First operand 2727 states and 5031 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) [2024-12-02 14:50:11,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.77s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 14:50:15,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:50:15,036 INFO L93 Difference]: Finished difference Result 7596 states and 14264 transitions. [2024-12-02 14:50:15,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 14:50:15,036 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 [2024-12-02 14:50:15,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:50:15,068 INFO L225 Difference]: With dead ends: 7596 [2024-12-02 14:50:15,068 INFO L226 Difference]: Without dead ends: 4959 [2024-12-02 14:50:15,076 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=90, Invalid=329, Unknown=1, NotChecked=0, Total=420 [2024-12-02 14:50:15,077 INFO L435 NwaCegarLoop]: 2809 mSDtfsCounter, 1814 mSDsluCounter, 15360 mSDsCounter, 0 mSdLazyCounter, 1486 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2316 SdHoareTripleChecker+Valid, 18169 SdHoareTripleChecker+Invalid, 1495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1486 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2024-12-02 14:50:15,077 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2316 Valid, 18169 Invalid, 1495 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 1486 Invalid, 1 Unknown, 0 Unchecked, 7.2s Time] [2024-12-02 14:50:15,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4959 states. [2024-12-02 14:50:15,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4959 to 2761. [2024-12-02 14:50:15,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2761 states, 1745 states have (on average 1.754727793696275) internal successors, (3062), 2752 states have internal predecessors, (3062), 1006 states have call successors, (1006), 2 states have call predecessors, (1006), 2 states have return successors, (1006), 8 states have call predecessors, (1006), 1006 states have call successors, (1006) [2024-12-02 14:50:15,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2761 states to 2761 states and 5074 transitions. [2024-12-02 14:50:15,837 INFO L78 Accepts]: Start accepts. Automaton has 2761 states and 5074 transitions. Word has length 104 [2024-12-02 14:50:15,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:50:15,838 INFO L471 AbstractCegarLoop]: Abstraction has 2761 states and 5074 transitions. [2024-12-02 14:50:15,838 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) [2024-12-02 14:50:15,838 INFO L276 IsEmpty]: Start isEmpty. Operand 2761 states and 5074 transitions. [2024-12-02 14:50:15,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-12-02 14:50:15,839 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:50:15,839 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] [2024-12-02 14:50:15,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 14:50:16,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:50:16,040 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)] === [2024-12-02 14:50:16,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:50:16,041 INFO L85 PathProgramCache]: Analyzing trace with hash -437385656, now seen corresponding path program 1 times [2024-12-02 14:50:16,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:50:16,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122291489] [2024-12-02 14:50:16,041 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:50:16,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:50:16,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:50:16,201 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 14:50:16,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:50:16,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122291489] [2024-12-02 14:50:16,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122291489] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:50:16,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:50:16,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 14:50:16,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872085788] [2024-12-02 14:50:16,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:50:16,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 14:50:16,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:50:16,203 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 14:50:16,203 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 14:50:16,203 INFO L87 Difference]: Start difference. First operand 2761 states and 5074 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) [2024-12-02 14:50:16,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:50:16,411 INFO L93 Difference]: Finished difference Result 5359 states and 9918 transitions. [2024-12-02 14:50:16,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 14:50:16,411 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 [2024-12-02 14:50:16,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:50:16,432 INFO L225 Difference]: With dead ends: 5359 [2024-12-02 14:50:16,432 INFO L226 Difference]: Without dead ends: 2629 [2024-12-02 14:50:16,441 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 [2024-12-02 14:50:16,442 INFO L435 NwaCegarLoop]: 2443 mSDtfsCounter, 9 mSDsluCounter, 4867 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 7310 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 [2024-12-02 14:50:16,443 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 7310 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:50:16,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2629 states. [2024-12-02 14:50:16,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2629 to 2629. [2024-12-02 14:50:16,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2629 states, 1613 states have (on average 1.7706137631742096) internal successors, (2856), 2620 states have internal predecessors, (2856), 1006 states have call successors, (1006), 2 states have call predecessors, (1006), 2 states have return successors, (1006), 8 states have call predecessors, (1006), 1006 states have call successors, (1006) [2024-12-02 14:50:16,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2629 states to 2629 states and 4868 transitions. [2024-12-02 14:50:16,812 INFO L78 Accepts]: Start accepts. Automaton has 2629 states and 4868 transitions. Word has length 104 [2024-12-02 14:50:16,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:50:16,813 INFO L471 AbstractCegarLoop]: Abstraction has 2629 states and 4868 transitions. [2024-12-02 14:50:16,814 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) [2024-12-02 14:50:16,814 INFO L276 IsEmpty]: Start isEmpty. Operand 2629 states and 4868 transitions. [2024-12-02 14:50:16,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-12-02 14:50:16,815 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:50:16,815 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] [2024-12-02 14:50:16,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 14:50:16,815 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)] === [2024-12-02 14:50:16,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:50:16,815 INFO L85 PathProgramCache]: Analyzing trace with hash -302080277, now seen corresponding path program 1 times [2024-12-02 14:50:16,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:50:16,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638157348] [2024-12-02 14:50:16,816 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:50:16,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:50:16,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:50:17,179 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-02 14:50:17,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:50:17,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638157348] [2024-12-02 14:50:17,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638157348] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:50:17,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [642301177] [2024-12-02 14:50:17,180 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:50:17,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:50:17,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:50:17,183 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:50:17,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 14:50:17,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:50:17,916 INFO L256 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-02 14:50:17,921 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:50:54,343 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) [2024-12-02 14:51:06,356 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) [2024-12-02 14:51:11,540 WARN L286 SmtUtils]: Spent 5.18s 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) [2024-12-02 14:51:27,739 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) [2024-12-02 14:51:39,759 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) [2024-12-02 14:51:48,783 WARN L286 SmtUtils]: Spent 5.22s on a formula simplification. DAG size of input: 37 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:52:02,139 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) [2024-12-02 14:52:22,339 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) [2024-12-02 14:52:45,451 WARN L286 SmtUtils]: Spent 9.97s 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) [2024-12-02 14:52:56,148 WARN L286 SmtUtils]: Spent 6.64s 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) [2024-12-02 14:53:08,161 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) [2024-12-02 14:53:24,209 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) [2024-12-02 14:53:40,313 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) [2024-12-02 14:53:50,286 WARN L286 SmtUtils]: Spent 5.31s on a formula simplification that was a NOOP. DAG size: 22 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:54:02,299 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) [2024-12-02 14:54:12,044 WARN L286 SmtUtils]: Spent 9.74s 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) [2024-12-02 14:54:22,503 WARN L286 SmtUtils]: Spent 10.46s 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) [2024-12-02 14:54:34,568 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) [2024-12-02 14:54:51,238 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) [2024-12-02 14:55:07,226 WARN L286 SmtUtils]: Spent 7.01s 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) [2024-12-02 14:55:12,635 WARN L286 SmtUtils]: Spent 5.41s 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) [2024-12-02 14:55:22,352 WARN L286 SmtUtils]: Spent 9.72s 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) [2024-12-02 14:55:33,622 WARN L286 SmtUtils]: Spent 7.02s 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) [2024-12-02 14:55:43,154 WARN L286 SmtUtils]: Spent 9.53s 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) [2024-12-02 14:55:49,257 WARN L286 SmtUtils]: Spent 6.10s 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) [2024-12-02 14:56:01,343 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) [2024-12-02 14:56:07,068 WARN L286 SmtUtils]: Spent 5.72s 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) [2024-12-02 14:56:19,085 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) [2024-12-02 14:56:39,382 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) [2024-12-02 14:56:47,541 WARN L286 SmtUtils]: Spent 8.16s 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) [2024-12-02 14:56:52,899 WARN L286 SmtUtils]: Spent 5.36s 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) [2024-12-02 14:57:04,988 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) [2024-12-02 14:57:21,936 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) [2024-12-02 14:57:42,350 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) [2024-12-02 14:57:57,946 WARN L286 SmtUtils]: Spent 10.85s 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) [2024-12-02 14:58:10,057 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) [2024-12-02 14:58:15,141 WARN L286 SmtUtils]: Spent 5.08s 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) [2024-12-02 14:58:27,154 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) [2024-12-02 14:58:35,669 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 [2024-12-02 14:58:36,080 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 14:58:36,080 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:58:36,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [642301177] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:58:36,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:58:36,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [4] total 15 [2024-12-02 14:58:36,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961334592] [2024-12-02 14:58:36,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:58:36,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 14:58:36,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:58:36,082 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 14:58:36,082 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=147, Unknown=6, NotChecked=24, Total=210 [2024-12-02 14:58:36,082 INFO L87 Difference]: Start difference. First operand 2629 states and 4868 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) [2024-12-02 14:58:40,159 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] [2024-12-02 14:58:44,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 14:58:48,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.97s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 14:58:52,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 14:58:56,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 14:59:00,153 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 14:59:04,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 14:59:08,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 14:59:12,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 14:59:16,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 14:59:20,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 14:59:24,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 14:59:28,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 14:59:32,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 14:59:36,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 14:59:40,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 14:59:44,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 14:59:48,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 14:59:52,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 14:59:56,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:00:00,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:00:04,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:00:08,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:00:12,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:00:16,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:00:20,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:00:24,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:00:28,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:00:34,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:00:38,570 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] [2024-12-02 15:00:38,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:00:38,650 INFO L93 Difference]: Finished difference Result 5217 states and 9693 transitions. [2024-12-02 15:00:38,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 15:00:38,651 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 [2024-12-02 15:00:38,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:00:38,661 INFO L225 Difference]: With dead ends: 5217 [2024-12-02 15:00:38,662 INFO L226 Difference]: Without dead ends: 2629 [2024-12-02 15:00:38,669 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 25.5s TimeCoverageRelationStatistics Valid=33, Invalid=147, Unknown=6, NotChecked=24, Total=210 [2024-12-02 15:00:38,670 INFO L435 NwaCegarLoop]: 2446 mSDtfsCounter, 2 mSDsluCounter, 18946 mSDsCounter, 0 mSdLazyCounter, 597 mSolverCounterSat, 1 mSolverCounterUnsat, 30 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 122.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 21392 SdHoareTripleChecker+Invalid, 708 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 597 IncrementalHoareTripleChecker+Invalid, 30 IncrementalHoareTripleChecker+Unknown, 80 IncrementalHoareTripleChecker+Unchecked, 122.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:00:38,670 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 21392 Invalid, 708 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 597 Invalid, 30 Unknown, 80 Unchecked, 122.4s Time] [2024-12-02 15:00:38,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2629 states. [2024-12-02 15:00:38,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2629 to 2629. [2024-12-02 15:00:38,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2629 states, 1613 states have (on average 1.7693738375697459) internal successors, (2854), 2620 states have internal predecessors, (2854), 1006 states have call successors, (1006), 2 states have call predecessors, (1006), 2 states have return successors, (1006), 8 states have call predecessors, (1006), 1006 states have call successors, (1006) [2024-12-02 15:00:38,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2629 states to 2629 states and 4866 transitions. [2024-12-02 15:00:38,962 INFO L78 Accepts]: Start accepts. Automaton has 2629 states and 4866 transitions. Word has length 105 [2024-12-02 15:00:38,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:00:38,963 INFO L471 AbstractCegarLoop]: Abstraction has 2629 states and 4866 transitions. [2024-12-02 15:00:38,963 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) [2024-12-02 15:00:38,963 INFO L276 IsEmpty]: Start isEmpty. Operand 2629 states and 4866 transitions. [2024-12-02 15:00:38,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-12-02 15:00:38,965 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:00:38,966 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] [2024-12-02 15:00:38,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 15:00:39,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:00:39,166 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)] === [2024-12-02 15:00:39,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:00:39,167 INFO L85 PathProgramCache]: Analyzing trace with hash 879067759, now seen corresponding path program 1 times [2024-12-02 15:00:39,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:00:39,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363249349] [2024-12-02 15:00:39,167 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:00:39,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:00:39,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:00:39,574 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 15:00:39,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:00:39,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363249349] [2024-12-02 15:00:39,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363249349] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:00:39,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:00:39,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 15:00:39,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450646360] [2024-12-02 15:00:39,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:00:39,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:00:39,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:00:39,575 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:00:39,575 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:00:39,576 INFO L87 Difference]: Start difference. First operand 2629 states and 4866 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) [2024-12-02 15:00:40,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:00:40,152 INFO L93 Difference]: Finished difference Result 5220 states and 9695 transitions. [2024-12-02 15:00:40,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 15:00:40,153 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 [2024-12-02 15:00:40,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:00:40,163 INFO L225 Difference]: With dead ends: 5220 [2024-12-02 15:00:40,163 INFO L226 Difference]: Without dead ends: 2635 [2024-12-02 15:00:40,167 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 [2024-12-02 15:00:40,167 INFO L435 NwaCegarLoop]: 2448 mSDtfsCounter, 4 mSDsluCounter, 7143 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 9591 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 15:00:40,168 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 9591 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 15:00:40,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2635 states. [2024-12-02 15:00:40,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2635 to 2635. [2024-12-02 15:00:40,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2635 states, 1619 states have (on average 1.766522544780729) internal successors, (2860), 2626 states have internal predecessors, (2860), 1006 states have call successors, (1006), 2 states have call predecessors, (1006), 2 states have return successors, (1006), 8 states have call predecessors, (1006), 1006 states have call successors, (1006) [2024-12-02 15:00:40,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2635 states to 2635 states and 4872 transitions. [2024-12-02 15:00:40,426 INFO L78 Accepts]: Start accepts. Automaton has 2635 states and 4872 transitions. Word has length 106 [2024-12-02 15:00:40,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:00:40,426 INFO L471 AbstractCegarLoop]: Abstraction has 2635 states and 4872 transitions. [2024-12-02 15:00:40,426 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) [2024-12-02 15:00:40,426 INFO L276 IsEmpty]: Start isEmpty. Operand 2635 states and 4872 transitions. [2024-12-02 15:00:40,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-12-02 15:00:40,427 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:00:40,427 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] [2024-12-02 15:00:40,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 15:00:40,427 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)] === [2024-12-02 15:00:40,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:00:40,428 INFO L85 PathProgramCache]: Analyzing trace with hash 1310687918, now seen corresponding path program 1 times [2024-12-02 15:00:40,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:00:40,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247877844] [2024-12-02 15:00:40,428 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:00:40,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:00:40,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:00:40,754 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-02 15:00:40,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:00:40,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247877844] [2024-12-02 15:00:40,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247877844] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:00:40,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [885934806] [2024-12-02 15:00:40,755 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:00:40,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:00:40,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:00:40,758 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:00:40,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 15:00:41,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:00:41,164 INFO L256 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 15:00:41,167 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:00:41,203 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:00:41,204 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:00:41,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [885934806] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:00:41,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:00:41,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2024-12-02 15:00:41,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189391305] [2024-12-02 15:00:41,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:00:41,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:00:41,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:00:41,205 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:00:41,205 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:00:41,205 INFO L87 Difference]: Start difference. First operand 2635 states and 4872 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 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) [2024-12-02 15:00:41,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:00:41,335 INFO L93 Difference]: Finished difference Result 5179 states and 9633 transitions. [2024-12-02 15:00:41,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:00:41,336 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 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 107 [2024-12-02 15:00:41,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:00:41,354 INFO L225 Difference]: With dead ends: 5179 [2024-12-02 15:00:41,354 INFO L226 Difference]: Without dead ends: 2638 [2024-12-02 15:00:41,363 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:00:41,364 INFO L435 NwaCegarLoop]: 2455 mSDtfsCounter, 0 mSDsluCounter, 4906 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7361 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 [2024-12-02 15:00:41,364 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7361 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:00:41,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2638 states. [2024-12-02 15:00:41,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2638 to 2638. [2024-12-02 15:00:41,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2638 states, 1621 states have (on average 1.7661937075879086) internal successors, (2863), 2629 states have internal predecessors, (2863), 1006 states have call successors, (1006), 2 states have call predecessors, (1006), 3 states have return successors, (1008), 8 states have call predecessors, (1008), 1006 states have call successors, (1008) [2024-12-02 15:00:41,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2638 states to 2638 states and 4877 transitions. [2024-12-02 15:00:41,756 INFO L78 Accepts]: Start accepts. Automaton has 2638 states and 4877 transitions. Word has length 107 [2024-12-02 15:00:41,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:00:41,756 INFO L471 AbstractCegarLoop]: Abstraction has 2638 states and 4877 transitions. [2024-12-02 15:00:41,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 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) [2024-12-02 15:00:41,756 INFO L276 IsEmpty]: Start isEmpty. Operand 2638 states and 4877 transitions. [2024-12-02 15:00:41,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-12-02 15:00:41,757 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:00:41,757 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] [2024-12-02 15:00:41,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-02 15:00:41,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-12-02 15:00:41,958 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)] === [2024-12-02 15:00:41,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:00:41,958 INFO L85 PathProgramCache]: Analyzing trace with hash -210675152, now seen corresponding path program 1 times [2024-12-02 15:00:41,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:00:41,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936343228] [2024-12-02 15:00:41,959 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:00:41,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:00:42,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:00:42,500 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-02 15:00:42,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:00:42,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936343228] [2024-12-02 15:00:42,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936343228] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:00:42,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1555169991] [2024-12-02 15:00:42,500 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:00:42,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:00:42,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:00:42,503 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:00:42,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-02 15:00:42,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:00:42,905 INFO L256 TraceCheckSpWp]: Trace formula consists of 642 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-02 15:00:42,909 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:00:43,280 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-12-02 15:00:43,280 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:00:43,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1555169991] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:00:43,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:00:43,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2024-12-02 15:00:43,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630345829] [2024-12-02 15:00:43,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:00:43,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 15:00:43,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:00:43,281 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 15:00:43,281 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-12-02 15:00:43,281 INFO L87 Difference]: Start difference. First operand 2638 states and 4877 transitions. Second operand has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 7 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) [2024-12-02 15:00:44,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:00:44,055 INFO L93 Difference]: Finished difference Result 5232 states and 9709 transitions. [2024-12-02 15:00:44,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:00:44,056 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 7 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 109 [2024-12-02 15:00:44,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:00:44,067 INFO L225 Difference]: With dead ends: 5232 [2024-12-02 15:00:44,067 INFO L226 Difference]: Without dead ends: 2648 [2024-12-02 15:00:44,072 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-12-02 15:00:44,073 INFO L435 NwaCegarLoop]: 2438 mSDtfsCounter, 8 mSDsluCounter, 11874 mSDsCounter, 0 mSdLazyCounter, 399 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 14312 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 [2024-12-02 15:00:44,073 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 14312 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 399 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 15:00:44,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2648 states. [2024-12-02 15:00:44,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2648 to 2646. [2024-12-02 15:00:44,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2646 states, 1629 states have (on average 1.76365868631062) internal successors, (2873), 2637 states have internal predecessors, (2873), 1006 states have call successors, (1006), 2 states have call predecessors, (1006), 3 states have return successors, (1008), 8 states have call predecessors, (1008), 1006 states have call successors, (1008) [2024-12-02 15:00:44,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2646 states to 2646 states and 4887 transitions. [2024-12-02 15:00:44,338 INFO L78 Accepts]: Start accepts. Automaton has 2646 states and 4887 transitions. Word has length 109 [2024-12-02 15:00:44,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:00:44,339 INFO L471 AbstractCegarLoop]: Abstraction has 2646 states and 4887 transitions. [2024-12-02 15:00:44,339 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 7 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) [2024-12-02 15:00:44,339 INFO L276 IsEmpty]: Start isEmpty. Operand 2646 states and 4887 transitions. [2024-12-02 15:00:44,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-12-02 15:00:44,340 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:00:44,340 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] [2024-12-02 15:00:44,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-02 15:00:44,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-12-02 15:00:44,541 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)] === [2024-12-02 15:00:44,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:00:44,541 INFO L85 PathProgramCache]: Analyzing trace with hash -1119809388, now seen corresponding path program 1 times [2024-12-02 15:00:44,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:00:44,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717848818] [2024-12-02 15:00:44,541 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:00:44,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:00:44,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:00:45,033 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-12-02 15:00:45,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:00:45,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717848818] [2024-12-02 15:00:45,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717848818] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:00:45,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:00:45,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 15:00:45,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112872714] [2024-12-02 15:00:45,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:00:45,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 15:00:45,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:00:45,035 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 15:00:45,035 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:00:45,035 INFO L87 Difference]: Start difference. First operand 2646 states and 4887 transitions. Second operand has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 7 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) [2024-12-02 15:00:45,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:00:45,890 INFO L93 Difference]: Finished difference Result 5244 states and 9724 transitions. [2024-12-02 15:00:45,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:00:45,891 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 7 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 109 [2024-12-02 15:00:45,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:00:45,901 INFO L225 Difference]: With dead ends: 5244 [2024-12-02 15:00:45,901 INFO L226 Difference]: Without dead ends: 2656 [2024-12-02 15:00:45,907 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 [2024-12-02 15:00:45,907 INFO L435 NwaCegarLoop]: 2444 mSDtfsCounter, 8 mSDsluCounter, 11875 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 14319 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 [2024-12-02 15:00:45,908 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 14319 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 15:00:45,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2656 states. [2024-12-02 15:00:46,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2656 to 2646. [2024-12-02 15:00:46,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2646 states, 1629 states have (on average 1.76365868631062) internal successors, (2873), 2637 states have internal predecessors, (2873), 1006 states have call successors, (1006), 2 states have call predecessors, (1006), 3 states have return successors, (1008), 8 states have call predecessors, (1008), 1006 states have call successors, (1008) [2024-12-02 15:00:46,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2646 states to 2646 states and 4887 transitions. [2024-12-02 15:00:46,134 INFO L78 Accepts]: Start accepts. Automaton has 2646 states and 4887 transitions. Word has length 109 [2024-12-02 15:00:46,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:00:46,135 INFO L471 AbstractCegarLoop]: Abstraction has 2646 states and 4887 transitions. [2024-12-02 15:00:46,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 7 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) [2024-12-02 15:00:46,135 INFO L276 IsEmpty]: Start isEmpty. Operand 2646 states and 4887 transitions. [2024-12-02 15:00:46,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-12-02 15:00:46,136 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:00:46,136 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] [2024-12-02 15:00:46,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 15:00:46,137 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)] === [2024-12-02 15:00:46,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:00:46,137 INFO L85 PathProgramCache]: Analyzing trace with hash -2050911903, now seen corresponding path program 1 times [2024-12-02 15:00:46,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:00:46,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170080331] [2024-12-02 15:00:46,137 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:00:46,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:00:46,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:00:46,445 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-02 15:00:46,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:00:46,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170080331] [2024-12-02 15:00:46,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170080331] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:00:46,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [748746391] [2024-12-02 15:00:46,446 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:00:46,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:00:46,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:00:46,448 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:00:46,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-12-02 15:00:46,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:00:46,875 INFO L256 TraceCheckSpWp]: Trace formula consists of 643 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-02 15:00:46,879 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:00:47,150 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-12-02 15:00:47,150 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:00:47,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [748746391] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:00:47,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:00:47,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5] total 11 [2024-12-02 15:00:47,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038333354] [2024-12-02 15:00:47,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:00:47,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 15:00:47,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:00:47,151 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 15:00:47,151 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-12-02 15:00:47,152 INFO L87 Difference]: Start difference. First operand 2646 states and 4887 transitions. Second operand has 8 states, 8 states have (on average 12.75) internal successors, (102), 8 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) [2024-12-02 15:00:47,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:00:47,949 INFO L93 Difference]: Finished difference Result 5249 states and 9728 transitions. [2024-12-02 15:00:47,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 15:00:47,949 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.75) internal successors, (102), 8 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 110 [2024-12-02 15:00:47,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:00:47,959 INFO L225 Difference]: With dead ends: 5249 [2024-12-02 15:00:47,959 INFO L226 Difference]: Without dead ends: 2666 [2024-12-02 15:00:47,964 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-12-02 15:00:47,965 INFO L435 NwaCegarLoop]: 2437 mSDtfsCounter, 13 mSDsluCounter, 14266 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 16703 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:00:47,965 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 16703 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 462 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 15:00:47,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2666 states. [2024-12-02 15:00:48,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2666 to 2656. [2024-12-02 15:00:48,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2656 states, 1639 states have (on average 1.7602196461256865) internal successors, (2885), 2647 states have internal predecessors, (2885), 1006 states have call successors, (1006), 2 states have call predecessors, (1006), 3 states have return successors, (1008), 8 states have call predecessors, (1008), 1006 states have call successors, (1008) [2024-12-02 15:00:48,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2656 states to 2656 states and 4899 transitions. [2024-12-02 15:00:48,201 INFO L78 Accepts]: Start accepts. Automaton has 2656 states and 4899 transitions. Word has length 110 [2024-12-02 15:00:48,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:00:48,201 INFO L471 AbstractCegarLoop]: Abstraction has 2656 states and 4899 transitions. [2024-12-02 15:00:48,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.75) internal successors, (102), 8 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) [2024-12-02 15:00:48,201 INFO L276 IsEmpty]: Start isEmpty. Operand 2656 states and 4899 transitions. [2024-12-02 15:00:48,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-12-02 15:00:48,202 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:00:48,202 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] [2024-12-02 15:00:48,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-12-02 15:00:48,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-12-02 15:00:48,403 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)] === [2024-12-02 15:00:48,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:00:48,403 INFO L85 PathProgramCache]: Analyzing trace with hash -169302147, now seen corresponding path program 1 times [2024-12-02 15:00:48,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:00:48,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750436791] [2024-12-02 15:00:48,403 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:00:48,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:00:48,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:00:48,782 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-12-02 15:00:48,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:00:48,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750436791] [2024-12-02 15:00:48,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750436791] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:00:48,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:00:48,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 15:00:48,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224049530] [2024-12-02 15:00:48,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:00:48,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:00:48,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:00:48,784 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:00:48,784 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:00:48,784 INFO L87 Difference]: Start difference. First operand 2656 states and 4899 transitions. Second operand has 9 states, 9 states have (on average 11.333333333333334) internal successors, (102), 9 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) [2024-12-02 15:00:49,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:00:49,573 INFO L93 Difference]: Finished difference Result 5264 states and 9746 transitions. [2024-12-02 15:00:49,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 15:00:49,573 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.333333333333334) internal successors, (102), 9 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 110 [2024-12-02 15:00:49,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:00:49,584 INFO L225 Difference]: With dead ends: 5264 [2024-12-02 15:00:49,584 INFO L226 Difference]: Without dead ends: 2676 [2024-12-02 15:00:49,611 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 [2024-12-02 15:00:49,611 INFO L435 NwaCegarLoop]: 2449 mSDtfsCounter, 16 mSDsluCounter, 14352 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 16801 SdHoareTripleChecker+Invalid, 478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:00:49,612 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 16801 Invalid, 478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 477 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 15:00:49,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2676 states. [2024-12-02 15:00:49,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2676 to 2670. [2024-12-02 15:00:49,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2670 states, 1653 states have (on average 1.7562008469449486) internal successors, (2903), 2661 states have internal predecessors, (2903), 1006 states have call successors, (1006), 2 states have call predecessors, (1006), 3 states have return successors, (1008), 8 states have call predecessors, (1008), 1006 states have call successors, (1008) [2024-12-02 15:00:49,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2670 states to 2670 states and 4917 transitions. [2024-12-02 15:00:49,960 INFO L78 Accepts]: Start accepts. Automaton has 2670 states and 4917 transitions. Word has length 110 [2024-12-02 15:00:49,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:00:49,961 INFO L471 AbstractCegarLoop]: Abstraction has 2670 states and 4917 transitions. [2024-12-02 15:00:49,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.333333333333334) internal successors, (102), 9 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) [2024-12-02 15:00:49,961 INFO L276 IsEmpty]: Start isEmpty. Operand 2670 states and 4917 transitions. [2024-12-02 15:00:49,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-12-02 15:00:49,961 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:00:49,961 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] [2024-12-02 15:00:49,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 15:00:49,962 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)] === [2024-12-02 15:00:49,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:00:49,962 INFO L85 PathProgramCache]: Analyzing trace with hash -1404663620, now seen corresponding path program 1 times [2024-12-02 15:00:49,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:00:49,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088509540] [2024-12-02 15:00:49,962 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:00:49,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:00:50,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:00:50,396 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-02 15:00:50,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:00:50,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088509540] [2024-12-02 15:00:50,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088509540] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:00:50,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [685914630] [2024-12-02 15:00:50,396 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:00:50,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:00:50,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:00:50,399 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:00:50,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-12-02 15:00:50,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:00:50,843 INFO L256 TraceCheckSpWp]: Trace formula consists of 644 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-02 15:00:50,844 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:00:51,458 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-12-02 15:00:51,458 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:00:51,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [685914630] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:00:51,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:00:51,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [5] total 13 [2024-12-02 15:00:51,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111142989] [2024-12-02 15:00:51,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:00:51,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 15:00:51,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:00:51,459 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 15:00:51,459 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2024-12-02 15:00:51,459 INFO L87 Difference]: Start difference. First operand 2670 states and 4917 transitions. Second operand has 10 states, 10 states have (on average 10.3) internal successors, (103), 10 states have internal predecessors, (103), 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) [2024-12-02 15:00:53,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:00:53,023 INFO L93 Difference]: Finished difference Result 5290 states and 9784 transitions. [2024-12-02 15:00:53,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 15:00:53,023 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.3) internal successors, (103), 10 states have internal predecessors, (103), 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 111 [2024-12-02 15:00:53,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:00:53,034 INFO L225 Difference]: With dead ends: 5290 [2024-12-02 15:00:53,034 INFO L226 Difference]: Without dead ends: 2690 [2024-12-02 15:00:53,039 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2024-12-02 15:00:53,039 INFO L435 NwaCegarLoop]: 2440 mSDtfsCounter, 13 mSDsluCounter, 19017 mSDsCounter, 0 mSdLazyCounter, 745 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 21457 SdHoareTripleChecker+Invalid, 747 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 745 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-12-02 15:00:53,039 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 21457 Invalid, 747 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 745 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-12-02 15:00:53,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2690 states. [2024-12-02 15:00:53,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2690 to 2684. [2024-12-02 15:00:53,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2684 states, 1667 states have (on average 1.752249550089982) internal successors, (2921), 2675 states have internal predecessors, (2921), 1006 states have call successors, (1006), 2 states have call predecessors, (1006), 3 states have return successors, (1008), 8 states have call predecessors, (1008), 1006 states have call successors, (1008) [2024-12-02 15:00:53,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2684 states to 2684 states and 4935 transitions. [2024-12-02 15:00:53,300 INFO L78 Accepts]: Start accepts. Automaton has 2684 states and 4935 transitions. Word has length 111 [2024-12-02 15:00:53,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:00:53,300 INFO L471 AbstractCegarLoop]: Abstraction has 2684 states and 4935 transitions. [2024-12-02 15:00:53,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.3) internal successors, (103), 10 states have internal predecessors, (103), 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) [2024-12-02 15:00:53,301 INFO L276 IsEmpty]: Start isEmpty. Operand 2684 states and 4935 transitions. [2024-12-02 15:00:53,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-12-02 15:00:53,302 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:00:53,302 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] [2024-12-02 15:00:53,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-12-02 15:00:53,503 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-12-02 15:00:53,503 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)] === [2024-12-02 15:00:53,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:00:53,504 INFO L85 PathProgramCache]: Analyzing trace with hash -1508216772, now seen corresponding path program 1 times [2024-12-02 15:00:53,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:00:53,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479272947] [2024-12-02 15:00:53,504 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:00:53,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:00:53,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:00:53,791 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-02 15:00:53,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:00:53,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479272947] [2024-12-02 15:00:53,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479272947] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:00:53,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [792199183] [2024-12-02 15:00:53,792 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:00:53,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:00:53,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:00:53,794 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:00:53,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-12-02 15:00:54,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:00:54,256 INFO L256 TraceCheckSpWp]: Trace formula consists of 644 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-02 15:00:54,258 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:00:54,445 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-12-02 15:00:54,445 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:00:54,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [792199183] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:00:54,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:00:54,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2024-12-02 15:00:54,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429328974] [2024-12-02 15:00:54,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:00:54,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 15:00:54,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:00:54,447 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 15:00:54,447 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-12-02 15:00:54,447 INFO L87 Difference]: Start difference. First operand 2684 states and 4935 transitions. Second operand has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 7 states have internal predecessors, (103), 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) [2024-12-02 15:00:55,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:00:55,002 INFO L93 Difference]: Finished difference Result 5296 states and 9788 transitions. [2024-12-02 15:00:55,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 15:00:55,002 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 7 states have internal predecessors, (103), 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 111 [2024-12-02 15:00:55,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:00:55,017 INFO L225 Difference]: With dead ends: 5296 [2024-12-02 15:00:55,017 INFO L226 Difference]: Without dead ends: 2694 [2024-12-02 15:00:55,023 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-12-02 15:00:55,023 INFO L435 NwaCegarLoop]: 2432 mSDtfsCounter, 31 mSDsluCounter, 11898 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 14330 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 [2024-12-02 15:00:55,023 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 14330 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 15:00:55,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2694 states. [2024-12-02 15:00:55,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2694 to 2688. [2024-12-02 15:00:55,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2688 states, 1671 states have (on average 1.7504488330341113) internal successors, (2925), 2679 states have internal predecessors, (2925), 1006 states have call successors, (1006), 2 states have call predecessors, (1006), 3 states have return successors, (1008), 8 states have call predecessors, (1008), 1006 states have call successors, (1008) [2024-12-02 15:00:55,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2688 states to 2688 states and 4939 transitions. [2024-12-02 15:00:55,301 INFO L78 Accepts]: Start accepts. Automaton has 2688 states and 4939 transitions. Word has length 111 [2024-12-02 15:00:55,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:00:55,302 INFO L471 AbstractCegarLoop]: Abstraction has 2688 states and 4939 transitions. [2024-12-02 15:00:55,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 7 states have internal predecessors, (103), 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) [2024-12-02 15:00:55,302 INFO L276 IsEmpty]: Start isEmpty. Operand 2688 states and 4939 transitions. [2024-12-02 15:00:55,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-12-02 15:00:55,304 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:00:55,304 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] [2024-12-02 15:00:55,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-12-02 15:00:55,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-12-02 15:00:55,505 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)] === [2024-12-02 15:00:55,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:00:55,505 INFO L85 PathProgramCache]: Analyzing trace with hash -58458731, now seen corresponding path program 1 times [2024-12-02 15:00:55,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:00:55,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217464676] [2024-12-02 15:00:55,506 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:00:55,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:00:55,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:00:55,852 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-02 15:00:55,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:00:55,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217464676] [2024-12-02 15:00:55,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217464676] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:00:55,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2089608742] [2024-12-02 15:00:55,853 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:00:55,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:00:55,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:00:55,855 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:00:55,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-12-02 15:00:56,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:00:56,293 INFO L256 TraceCheckSpWp]: Trace formula consists of 644 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-02 15:00:56,294 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:00:56,345 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-02 15:00:56,345 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:00:56,476 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-02 15:00:56,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2089608742] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 15:00:56,476 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 15:00:56,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-12-02 15:00:56,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163936981] [2024-12-02 15:00:56,476 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 15:00:56,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 15:00:56,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:00:56,477 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 15:00:56,477 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-12-02 15:00:56,478 INFO L87 Difference]: Start difference. First operand 2688 states and 4939 transitions. Second operand has 10 states, 10 states have (on average 11.7) internal successors, (117), 10 states have internal predecessors, (117), 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) [2024-12-02 15:00:56,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:00:56,704 INFO L93 Difference]: Finished difference Result 5268 states and 9752 transitions. [2024-12-02 15:00:56,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 15:00:56,704 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.7) internal successors, (117), 10 states have internal predecessors, (117), 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 111 [2024-12-02 15:00:56,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:00:56,715 INFO L225 Difference]: With dead ends: 5268 [2024-12-02 15:00:56,715 INFO L226 Difference]: Without dead ends: 2697 [2024-12-02 15:00:56,720 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2024-12-02 15:00:56,721 INFO L435 NwaCegarLoop]: 2455 mSDtfsCounter, 5 mSDsluCounter, 7363 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 9818 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:00:56,721 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 9818 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:00:56,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2697 states. [2024-12-02 15:00:56,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2697 to 2697. [2024-12-02 15:00:56,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2697 states, 1679 states have (on average 1.7492555092316855) internal successors, (2937), 2687 states have internal predecessors, (2937), 1006 states have call successors, (1006), 3 states have call predecessors, (1006), 4 states have return successors, (1010), 8 states have call predecessors, (1010), 1006 states have call successors, (1010) [2024-12-02 15:00:56,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2697 states to 2697 states and 4953 transitions. [2024-12-02 15:00:56,954 INFO L78 Accepts]: Start accepts. Automaton has 2697 states and 4953 transitions. Word has length 111 [2024-12-02 15:00:56,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:00:56,955 INFO L471 AbstractCegarLoop]: Abstraction has 2697 states and 4953 transitions. [2024-12-02 15:00:56,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.7) internal successors, (117), 10 states have internal predecessors, (117), 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) [2024-12-02 15:00:56,955 INFO L276 IsEmpty]: Start isEmpty. Operand 2697 states and 4953 transitions. [2024-12-02 15:00:56,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-12-02 15:00:56,956 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:00:56,956 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] [2024-12-02 15:00:56,965 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-12-02 15:00:57,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-12-02 15:00:57,156 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)] === [2024-12-02 15:00:57,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:00:57,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1221093325, now seen corresponding path program 2 times [2024-12-02 15:00:57,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:00:57,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331340972] [2024-12-02 15:00:57,157 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 15:00:57,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:00:57,273 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 15:00:57,273 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 15:00:57,636 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 20 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-12-02 15:00:57,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:00:57,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331340972] [2024-12-02 15:00:57,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331340972] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:00:57,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [605275015] [2024-12-02 15:00:57,637 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 15:00:57,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:00:57,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:00:57,639 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:00:57,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-12-02 15:00:57,945 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-02 15:00:57,945 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 15:00:57,946 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 15:00:57,949 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:00:57,957 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 [2024-12-02 15:00:57,972 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-12-02 15:00:57,972 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:00:57,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [605275015] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:00:57,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:00:57,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2024-12-02 15:00:57,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898703394] [2024-12-02 15:00:57,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:00:57,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:00:57,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:00:57,973 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:00:57,973 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:00:57,973 INFO L87 Difference]: Start difference. First operand 2697 states and 4953 transitions. Second operand has 3 states, 2 states have (on average 49.5) internal successors, (99), 3 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) [2024-12-02 15:00:58,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:00:58,044 INFO L93 Difference]: Finished difference Result 2697 states and 4953 transitions. [2024-12-02 15:00:58,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:00:58,044 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 49.5) internal successors, (99), 3 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 115 [2024-12-02 15:00:58,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:00:58,054 INFO L225 Difference]: With dead ends: 2697 [2024-12-02 15:00:58,054 INFO L226 Difference]: Without dead ends: 2696 [2024-12-02 15:00:58,055 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:00:58,055 INFO L435 NwaCegarLoop]: 2454 mSDtfsCounter, 1 mSDsluCounter, 2452 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 4906 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 [2024-12-02 15:00:58,056 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 4906 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:00:58,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2696 states. [2024-12-02 15:00:58,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2696 to 2696. [2024-12-02 15:00:58,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2696 states, 1679 states have (on average 1.748659916617034) internal successors, (2936), 2686 states have internal predecessors, (2936), 1006 states have call successors, (1006), 3 states have call predecessors, (1006), 4 states have return successors, (1010), 8 states have call predecessors, (1010), 1006 states have call successors, (1010) [2024-12-02 15:00:58,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2696 states to 2696 states and 4952 transitions. [2024-12-02 15:00:58,282 INFO L78 Accepts]: Start accepts. Automaton has 2696 states and 4952 transitions. Word has length 115 [2024-12-02 15:00:58,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:00:58,282 INFO L471 AbstractCegarLoop]: Abstraction has 2696 states and 4952 transitions. [2024-12-02 15:00:58,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 49.5) internal successors, (99), 3 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) [2024-12-02 15:00:58,282 INFO L276 IsEmpty]: Start isEmpty. Operand 2696 states and 4952 transitions. [2024-12-02 15:00:58,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-12-02 15:00:58,283 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:00:58,283 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] [2024-12-02 15:00:58,293 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-12-02 15:00:58,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:00:58,484 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-12-02 15:00:58,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:00:58,484 INFO L85 PathProgramCache]: Analyzing trace with hash 800812674, now seen corresponding path program 1 times [2024-12-02 15:00:58,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:00:58,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147987549] [2024-12-02 15:00:58,484 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:00:58,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:00:58,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:00:58,820 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 7 proven. 20 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-12-02 15:00:58,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:00:58,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147987549] [2024-12-02 15:00:58,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147987549] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:00:58,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2030978478] [2024-12-02 15:00:58,821 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:00:58,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:00:58,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:00:58,823 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:00:58,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-12-02 15:00:59,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:00:59,340 INFO L256 TraceCheckSpWp]: Trace formula consists of 705 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-12-02 15:00:59,343 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:00:59,429 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 25 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-02 15:00:59,429 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:00:59,620 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 7 proven. 20 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-12-02 15:00:59,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2030978478] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 15:00:59,620 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 15:00:59,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 6] total 13 [2024-12-02 15:00:59,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249123435] [2024-12-02 15:00:59,620 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 15:00:59,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 15:00:59,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:00:59,621 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 15:00:59,621 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2024-12-02 15:00:59,621 INFO L87 Difference]: Start difference. First operand 2696 states and 4952 transitions. Second operand has 13 states, 13 states have (on average 9.461538461538462) internal successors, (123), 13 states have internal predecessors, (123), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-12-02 15:01:00,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:01:00,076 INFO L93 Difference]: Finished difference Result 5281 states and 9769 transitions. [2024-12-02 15:01:00,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 15:01:00,077 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 9.461538461538462) internal successors, (123), 13 states have internal predecessors, (123), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 116 [2024-12-02 15:01:00,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:01:00,086 INFO L225 Difference]: With dead ends: 5281 [2024-12-02 15:01:00,087 INFO L226 Difference]: Without dead ends: 2702 [2024-12-02 15:01:00,091 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=111, Invalid=195, Unknown=0, NotChecked=0, Total=306 [2024-12-02 15:01:00,092 INFO L435 NwaCegarLoop]: 2443 mSDtfsCounter, 26 mSDsluCounter, 9754 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 12197 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:01:00,092 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 12197 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:01:00,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2702 states. [2024-12-02 15:01:00,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2702 to 2700. [2024-12-02 15:01:00,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2700 states, 1683 states have (on average 1.7480689245395127) internal successors, (2942), 2690 states have internal predecessors, (2942), 1006 states have call successors, (1006), 3 states have call predecessors, (1006), 4 states have return successors, (1008), 8 states have call predecessors, (1008), 1006 states have call successors, (1008) [2024-12-02 15:01:00,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2700 states to 2700 states and 4956 transitions. [2024-12-02 15:01:00,327 INFO L78 Accepts]: Start accepts. Automaton has 2700 states and 4956 transitions. Word has length 116 [2024-12-02 15:01:00,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:01:00,327 INFO L471 AbstractCegarLoop]: Abstraction has 2700 states and 4956 transitions. [2024-12-02 15:01:00,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 9.461538461538462) internal successors, (123), 13 states have internal predecessors, (123), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-12-02 15:01:00,327 INFO L276 IsEmpty]: Start isEmpty. Operand 2700 states and 4956 transitions. [2024-12-02 15:01:00,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-12-02 15:01:00,328 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:01:00,328 INFO L218 NwaCegarLoop]: trace histogram [10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:01:00,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-12-02 15:01:00,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:01:00,529 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)] === [2024-12-02 15:01:00,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:01:00,529 INFO L85 PathProgramCache]: Analyzing trace with hash -1746893246, now seen corresponding path program 2 times [2024-12-02 15:01:00,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:01:00,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075136763] [2024-12-02 15:01:00,529 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 15:01:00,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:01:00,653 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 15:01:00,653 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 15:01:01,144 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 7 proven. 58 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-12-02 15:01:01,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:01:01,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075136763] [2024-12-02 15:01:01,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075136763] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:01:01,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1522949736] [2024-12-02 15:01:01,145 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 15:01:01,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:01:01,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:01:01,146 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:01:01,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-12-02 15:01:01,604 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 15:01:01,605 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 15:01:01,608 INFO L256 TraceCheckSpWp]: Trace formula consists of 765 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-02 15:01:01,610 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:01:01,968 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-12-02 15:01:01,968 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:01:01,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1522949736] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:01:01,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:01:01,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2024-12-02 15:01:01,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712102843] [2024-12-02 15:01:01,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:01:01,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 15:01:01,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:01:01,969 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 15:01:01,969 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-12-02 15:01:01,969 INFO L87 Difference]: Start difference. First operand 2700 states and 4956 transitions. Second operand has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 7 states have internal predecessors, (104), 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) [2024-12-02 15:01:02,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:01:02,716 INFO L93 Difference]: Finished difference Result 5331 states and 9836 transitions. [2024-12-02 15:01:02,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:01:02,716 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 7 states have internal predecessors, (104), 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 120 [2024-12-02 15:01:02,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:01:02,726 INFO L225 Difference]: With dead ends: 5331 [2024-12-02 15:01:02,726 INFO L226 Difference]: Without dead ends: 2710 [2024-12-02 15:01:02,732 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-12-02 15:01:02,732 INFO L435 NwaCegarLoop]: 2443 mSDtfsCounter, 6 mSDsluCounter, 11870 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 14313 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 [2024-12-02 15:01:02,733 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 14313 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 15:01:02,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2710 states. [2024-12-02 15:01:02,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2710 to 2700. [2024-12-02 15:01:02,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2700 states, 1683 states have (on average 1.7480689245395127) internal successors, (2942), 2690 states have internal predecessors, (2942), 1006 states have call successors, (1006), 3 states have call predecessors, (1006), 4 states have return successors, (1008), 8 states have call predecessors, (1008), 1006 states have call successors, (1008) [2024-12-02 15:01:02,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2700 states to 2700 states and 4956 transitions. [2024-12-02 15:01:03,003 INFO L78 Accepts]: Start accepts. Automaton has 2700 states and 4956 transitions. Word has length 120 [2024-12-02 15:01:03,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:01:03,003 INFO L471 AbstractCegarLoop]: Abstraction has 2700 states and 4956 transitions. [2024-12-02 15:01:03,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 7 states have internal predecessors, (104), 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) [2024-12-02 15:01:03,003 INFO L276 IsEmpty]: Start isEmpty. Operand 2700 states and 4956 transitions. [2024-12-02 15:01:03,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-12-02 15:01:03,004 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:01:03,004 INFO L218 NwaCegarLoop]: trace histogram [10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:01:03,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-12-02 15:01:03,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-12-02 15:01:03,205 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)] === [2024-12-02 15:01:03,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:01:03,205 INFO L85 PathProgramCache]: Analyzing trace with hash 901888535, now seen corresponding path program 1 times [2024-12-02 15:01:03,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:01:03,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068147256] [2024-12-02 15:01:03,205 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:01:03,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:01:03,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:01:03,634 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-12-02 15:01:03,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:01:03,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068147256] [2024-12-02 15:01:03,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068147256] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:01:03,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:01:03,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 15:01:03,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103681367] [2024-12-02 15:01:03,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:01:03,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 15:01:03,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:01:03,636 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 15:01:03,636 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-12-02 15:01:03,636 INFO L87 Difference]: Start difference. First operand 2700 states and 4956 transitions. Second operand has 10 states, 10 states have (on average 10.4) internal successors, (104), 10 states have internal predecessors, (104), 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) [2024-12-02 15:01:04,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:01:04,651 INFO L93 Difference]: Finished difference Result 5339 states and 9846 transitions. [2024-12-02 15:01:04,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 15:01:04,651 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.4) internal successors, (104), 10 states have internal predecessors, (104), 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 120 [2024-12-02 15:01:04,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:01:04,665 INFO L225 Difference]: With dead ends: 5339 [2024-12-02 15:01:04,665 INFO L226 Difference]: Without dead ends: 2718 [2024-12-02 15:01:04,672 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-12-02 15:01:04,675 INFO L435 NwaCegarLoop]: 2449 mSDtfsCounter, 19 mSDsluCounter, 16698 mSDsCounter, 0 mSdLazyCounter, 647 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 19147 SdHoareTripleChecker+Invalid, 648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 647 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 15:01:04,675 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 19147 Invalid, 648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 647 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 15:01:04,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2718 states. [2024-12-02 15:01:04,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2718 to 2706. [2024-12-02 15:01:04,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2706 states, 1689 states have (on average 1.7454114860864416) internal successors, (2948), 2696 states have internal predecessors, (2948), 1006 states have call successors, (1006), 3 states have call predecessors, (1006), 4 states have return successors, (1008), 8 states have call predecessors, (1008), 1006 states have call successors, (1008) [2024-12-02 15:01:04,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2706 states and 4962 transitions. [2024-12-02 15:01:04,930 INFO L78 Accepts]: Start accepts. Automaton has 2706 states and 4962 transitions. Word has length 120 [2024-12-02 15:01:04,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:01:04,930 INFO L471 AbstractCegarLoop]: Abstraction has 2706 states and 4962 transitions. [2024-12-02 15:01:04,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.4) internal successors, (104), 10 states have internal predecessors, (104), 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) [2024-12-02 15:01:04,930 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 4962 transitions. [2024-12-02 15:01:04,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-12-02 15:01:04,931 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:01:04,931 INFO L218 NwaCegarLoop]: trace histogram [10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:01:04,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-12-02 15:01:04,932 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)] === [2024-12-02 15:01:04,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:01:04,932 INFO L85 PathProgramCache]: Analyzing trace with hash -547171117, now seen corresponding path program 1 times [2024-12-02 15:01:04,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:01:04,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348836276] [2024-12-02 15:01:04,932 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:01:04,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:01:05,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:01:05,565 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 7 proven. 58 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-12-02 15:01:05,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:01:05,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348836276] [2024-12-02 15:01:05,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348836276] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:01:05,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [340353412] [2024-12-02 15:01:05,565 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:01:05,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:01:05,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:01:05,567 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:01:05,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1c87437-41d8-438b-bd4c-bf6839791888/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-12-02 15:01:06,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:01:06,297 INFO L256 TraceCheckSpWp]: Trace formula consists of 763 conjuncts, 129 conjuncts are in the unsatisfiable core [2024-12-02 15:01:06,303 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:01:06,308 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 [2024-12-02 15:01:06,341 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 [2024-12-02 15:01:06,386 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 [2024-12-02 15:01:06,424 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 [2024-12-02 15:01:06,713 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 [2024-12-02 15:01:06,841 INFO L349 Elim1Store]: treesize reduction 30, result has 34.8 percent of original size [2024-12-02 15:01:06,842 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 29 treesize of output 33 [2024-12-02 15:01:06,856 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 19 treesize of output 1 [2024-12-02 15:01:06,980 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 22 treesize of output 10 [2024-12-02 15:01:07,341 INFO L349 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2024-12-02 15:01:07,342 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 41 [2024-12-02 15:01:11,213 INFO L224 Elim1Store]: Index analysis took 163 ms