./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3d083d1689aabbf2f9bd2c9523429b32bf33c71fcafd2ea04f6cb909fe9a2705 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:12:57,061 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:12:57,129 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-32bit-Taipan_Default.epf [2024-11-09 06:12:57,137 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:12:57,141 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:12:57,196 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:12:57,197 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:12:57,198 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:12:57,198 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:12:57,199 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:12:57,200 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:12:57,200 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:12:57,201 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:12:57,203 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:12:57,203 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:12:57,204 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:12:57,204 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:12:57,205 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:12:57,205 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:12:57,206 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:12:57,209 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:12:57,212 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:12:57,212 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:12:57,213 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:12:57,213 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:12:57,213 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:12:57,214 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:12:57,214 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:12:57,214 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:12:57,215 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:12:57,215 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:12:57,215 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:12:57,215 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 06:12:57,216 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 06:12:57,216 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:12:57,216 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:12:57,223 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:12:57,224 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:12:57,224 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:12:57,224 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:12:57,224 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:12:57,225 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:12:57,225 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:12:57,225 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:12:57,225 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:12:57,225 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:12:57,226 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:12:57,226 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:12:57,226 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:12:57,226 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d083d1689aabbf2f9bd2c9523429b32bf33c71fcafd2ea04f6cb909fe9a2705 [2024-11-09 06:12:57,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:12:57,586 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:12:57,590 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:12:57,592 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:12:57,592 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:12:57,594 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound100.c Unable to find full path for "g++" [2024-11-09 06:12:59,571 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:12:59,772 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:12:59,772 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound100.c [2024-11-09 06:12:59,780 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/data/6c9375625/bd2568c4d064456d9eafa615a7f4ae94/FLAGcbd4deaf0 [2024-11-09 06:13:00,163 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/data/6c9375625/bd2568c4d064456d9eafa615a7f4ae94 [2024-11-09 06:13:00,166 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:13:00,167 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:13:00,169 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:13:00,186 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:13:00,204 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:13:00,207 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:13:00" (1/1) ... [2024-11-09 06:13:00,219 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@662265aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:13:00, skipping insertion in model container [2024-11-09 06:13:00,219 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:13:00" (1/1) ... [2024-11-09 06:13:00,273 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:13:00,495 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:13:00,513 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:13:00,534 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:13:00,552 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:13:00,552 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:13:00 WrapperNode [2024-11-09 06:13:00,553 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:13:00,554 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:13:00,554 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:13:00,554 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:13:00,562 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:13:00" (1/1) ... [2024-11-09 06:13:00,571 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:13:00" (1/1) ... [2024-11-09 06:13:00,593 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 64 [2024-11-09 06:13:00,594 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:13:00,595 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:13:00,595 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:13:00,595 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:13:00,605 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:13:00" (1/1) ... [2024-11-09 06:13:00,606 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:13:00" (1/1) ... [2024-11-09 06:13:00,607 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:13:00" (1/1) ... [2024-11-09 06:13:00,607 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:13:00" (1/1) ... [2024-11-09 06:13:00,611 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:13:00" (1/1) ... [2024-11-09 06:13:00,615 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:13:00" (1/1) ... [2024-11-09 06:13:00,616 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:13:00" (1/1) ... [2024-11-09 06:13:00,617 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:13:00" (1/1) ... [2024-11-09 06:13:00,619 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:13:00,620 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:13:00,620 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:13:00,620 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:13:00,621 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:13:00" (1/1) ... [2024-11-09 06:13:00,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:13:00,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:13:00,663 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:13:00,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:13:00,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:13:00,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:13:00,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:13:00,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:13:00,705 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 06:13:00,707 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 06:13:00,781 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:13:00,784 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:13:01,061 INFO L? ?]: Removed 38 outVars from TransFormulas that were not future-live. [2024-11-09 06:13:01,061 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:13:01,122 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:13:01,127 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 06:13:01,128 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:13:01 BoogieIcfgContainer [2024-11-09 06:13:01,128 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:13:01,131 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:13:01,132 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:13:01,136 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:13:01,137 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:13:00" (1/3) ... [2024-11-09 06:13:01,138 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bbef996 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:13:01, skipping insertion in model container [2024-11-09 06:13:01,139 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:13:00" (2/3) ... [2024-11-09 06:13:01,140 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bbef996 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:13:01, skipping insertion in model container [2024-11-09 06:13:01,140 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:13:01" (3/3) ... [2024-11-09 06:13:01,142 INFO L112 eAbstractionObserver]: Analyzing ICFG ps2-ll_valuebound100.c [2024-11-09 06:13:01,164 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:13:01,165 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2024-11-09 06:13:01,230 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:13:01,238 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=FINITE_AUTOMATA, 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;@61ec0975, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:13:01,238 INFO L334 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2024-11-09 06:13:01,244 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 27 states have (on average 1.8888888888888888) internal successors, (51), 49 states have internal predecessors, (51), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 06:13:01,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-09 06:13:01,249 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:13:01,250 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-09 06:13:01,251 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 06:13:01,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:13:01,258 INFO L85 PathProgramCache]: Analyzing trace with hash 129319, now seen corresponding path program 1 times [2024-11-09 06:13:01,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:13:01,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255168760] [2024-11-09 06:13:01,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:13:01,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:13:01,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:13:01,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:13:01,450 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:13:01,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255168760] [2024-11-09 06:13:01,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255168760] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:13:01,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:13:01,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-09 06:13:01,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388715744] [2024-11-09 06:13:01,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:13:01,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 06:13:01,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:13:01,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 06:13:01,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 06:13:01,495 INFO L87 Difference]: Start difference. First operand has 53 states, 27 states have (on average 1.8888888888888888) internal successors, (51), 49 states have internal predecessors, (51), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:13:01,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:13:01,544 INFO L93 Difference]: Finished difference Result 73 states and 75 transitions. [2024-11-09 06:13:01,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 06:13:01,548 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 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 3 [2024-11-09 06:13:01,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:13:01,556 INFO L225 Difference]: With dead ends: 73 [2024-11-09 06:13:01,557 INFO L226 Difference]: Without dead ends: 48 [2024-11-09 06:13:01,561 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 06:13:01,568 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:13:01,570 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 49 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:13:01,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-11-09 06:13:01,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-11-09 06:13:01,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 26 states have (on average 1.7692307692307692) internal successors, (46), 45 states have internal predecessors, (46), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 06:13:01,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 48 transitions. [2024-11-09 06:13:01,624 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 48 transitions. Word has length 3 [2024-11-09 06:13:01,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:13:01,624 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 48 transitions. [2024-11-09 06:13:01,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:13:01,625 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 48 transitions. [2024-11-09 06:13:01,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 06:13:01,627 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:13:01,627 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-09 06:13:01,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 06:13:01,628 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 06:13:01,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:13:01,630 INFO L85 PathProgramCache]: Analyzing trace with hash 4008940, now seen corresponding path program 1 times [2024-11-09 06:13:01,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:13:01,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829797189] [2024-11-09 06:13:01,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:13:01,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:13:01,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 06:13:01,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1383734727] [2024-11-09 06:13:01,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:13:01,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:13:01,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:13:01,666 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:13:01,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 06:13:01,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:13:01,742 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 06:13:01,747 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:13:01,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:13:01,770 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:13:01,770 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:13:01,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829797189] [2024-11-09 06:13:01,771 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 06:13:01,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1383734727] [2024-11-09 06:13:01,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1383734727] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:13:01,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:13:01,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-09 06:13:01,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148930508] [2024-11-09 06:13:01,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:13:01,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:13:01,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:13:01,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:13:01,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:13:01,775 INFO L87 Difference]: Start difference. First operand 48 states and 48 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:13:01,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:13:01,884 INFO L93 Difference]: Finished difference Result 81 states and 90 transitions. [2024-11-09 06:13:01,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:13:01,886 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 4 [2024-11-09 06:13:01,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:13:01,887 INFO L225 Difference]: With dead ends: 81 [2024-11-09 06:13:01,887 INFO L226 Difference]: Without dead ends: 77 [2024-11-09 06:13:01,888 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:13:01,889 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 25 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:13:01,890 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 42 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 06:13:01,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-11-09 06:13:01,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 65. [2024-11-09 06:13:01,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 42 states have (on average 1.6904761904761905) internal successors, (71), 61 states have internal predecessors, (71), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 06:13:01,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 75 transitions. [2024-11-09 06:13:01,898 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 75 transitions. Word has length 4 [2024-11-09 06:13:01,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:13:01,898 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 75 transitions. [2024-11-09 06:13:01,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:13:01,899 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 75 transitions. [2024-11-09 06:13:01,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 06:13:01,899 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:13:01,899 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-09 06:13:01,920 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 06:13:02,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:13:02,104 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 06:13:02,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:13:02,105 INFO L85 PathProgramCache]: Analyzing trace with hash 124277193, now seen corresponding path program 1 times [2024-11-09 06:13:02,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:13:02,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096356015] [2024-11-09 06:13:02,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:13:02,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:13:02,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:13:02,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:13:02,231 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:13:02,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096356015] [2024-11-09 06:13:02,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096356015] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:13:02,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:13:02,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-09 06:13:02,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720550897] [2024-11-09 06:13:02,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:13:02,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:13:02,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:13:02,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:13:02,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:13:02,238 INFO L87 Difference]: Start difference. First operand 65 states and 75 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:13:02,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:13:02,401 INFO L93 Difference]: Finished difference Result 83 states and 90 transitions. [2024-11-09 06:13:02,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:13:02,401 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-09 06:13:02,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:13:02,402 INFO L225 Difference]: With dead ends: 83 [2024-11-09 06:13:02,402 INFO L226 Difference]: Without dead ends: 75 [2024-11-09 06:13:02,403 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:13:02,404 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 22 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:13:02,405 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 46 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 06:13:02,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-11-09 06:13:02,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 70. [2024-11-09 06:13:02,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 47 states have (on average 1.553191489361702) internal successors, (73), 66 states have internal predecessors, (73), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 06:13:02,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 77 transitions. [2024-11-09 06:13:02,415 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 77 transitions. Word has length 5 [2024-11-09 06:13:02,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:13:02,415 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 77 transitions. [2024-11-09 06:13:02,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:13:02,416 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 77 transitions. [2024-11-09 06:13:02,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 06:13:02,416 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:13:02,416 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:13:02,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 06:13:02,417 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 06:13:02,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:13:02,418 INFO L85 PathProgramCache]: Analyzing trace with hash 80102192, now seen corresponding path program 1 times [2024-11-09 06:13:02,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:13:02,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987046398] [2024-11-09 06:13:02,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:13:02,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:13:02,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:13:02,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:13:02,567 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:13:02,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987046398] [2024-11-09 06:13:02,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987046398] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:13:02,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:13:02,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:13:02,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938017646] [2024-11-09 06:13:02,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:13:02,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 06:13:02,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:13:02,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 06:13:02,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 06:13:02,573 INFO L87 Difference]: Start difference. First operand 70 states and 77 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:13:02,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:13:02,766 INFO L93 Difference]: Finished difference Result 79 states and 82 transitions. [2024-11-09 06:13:02,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 06:13:02,766 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-09 06:13:02,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:13:02,767 INFO L225 Difference]: With dead ends: 79 [2024-11-09 06:13:02,768 INFO L226 Difference]: Without dead ends: 67 [2024-11-09 06:13:02,768 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 06:13:02,769 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 21 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 06:13:02,772 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 53 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 06:13:02,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-11-09 06:13:02,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 63. [2024-11-09 06:13:02,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 40 states have (on average 1.55) internal successors, (62), 59 states have internal predecessors, (62), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 06:13:02,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 66 transitions. [2024-11-09 06:13:02,787 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 66 transitions. Word has length 8 [2024-11-09 06:13:02,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:13:02,787 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 66 transitions. [2024-11-09 06:13:02,787 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:13:02,788 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 66 transitions. [2024-11-09 06:13:02,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 06:13:02,788 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:13:02,788 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:13:02,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 06:13:02,789 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 06:13:02,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:13:02,793 INFO L85 PathProgramCache]: Analyzing trace with hash -1500941028, now seen corresponding path program 1 times [2024-11-09 06:13:02,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:13:02,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229555848] [2024-11-09 06:13:02,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:13:02,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:13:02,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:13:02,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:13:02,909 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:13:02,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229555848] [2024-11-09 06:13:02,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229555848] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:13:02,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:13:02,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:13:02,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215235820] [2024-11-09 06:13:02,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:13:02,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:13:02,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:13:02,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:13:02,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:13:02,914 INFO L87 Difference]: Start difference. First operand 63 states and 66 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 06:13:02,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:13:02,946 INFO L93 Difference]: Finished difference Result 65 states and 66 transitions. [2024-11-09 06:13:02,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:13:02,948 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2024-11-09 06:13:02,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:13:02,949 INFO L225 Difference]: With dead ends: 65 [2024-11-09 06:13:02,950 INFO L226 Difference]: Without dead ends: 63 [2024-11-09 06:13:02,950 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:13:02,951 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 1 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:13:02,951 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 83 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:13:02,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-09 06:13:02,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2024-11-09 06:13:02,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 40 states have (on average 1.5) internal successors, (60), 59 states have internal predecessors, (60), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 06:13:02,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 64 transitions. [2024-11-09 06:13:02,967 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 64 transitions. Word has length 15 [2024-11-09 06:13:02,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:13:02,969 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 64 transitions. [2024-11-09 06:13:02,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 06:13:02,969 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 64 transitions. [2024-11-09 06:13:02,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-09 06:13:02,970 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:13:02,971 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:13:02,972 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 06:13:02,972 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 06:13:02,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:13:02,973 INFO L85 PathProgramCache]: Analyzing trace with hash -1401693856, now seen corresponding path program 1 times [2024-11-09 06:13:02,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:13:02,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942965735] [2024-11-09 06:13:02,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:13:02,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:13:03,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:13:03,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:13:03,169 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:13:03,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942965735] [2024-11-09 06:13:03,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942965735] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:13:03,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:13:03,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:13:03,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969819817] [2024-11-09 06:13:03,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:13:03,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 06:13:03,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:13:03,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 06:13:03,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 06:13:03,174 INFO L87 Difference]: Start difference. First operand 63 states and 64 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 06:13:03,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:13:03,315 INFO L93 Difference]: Finished difference Result 66 states and 68 transitions. [2024-11-09 06:13:03,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 06:13:03,316 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2024-11-09 06:13:03,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:13:03,317 INFO L225 Difference]: With dead ends: 66 [2024-11-09 06:13:03,317 INFO L226 Difference]: Without dead ends: 65 [2024-11-09 06:13:03,317 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 06:13:03,318 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 1 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:13:03,319 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 50 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 06:13:03,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2024-11-09 06:13:03,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 64. [2024-11-09 06:13:03,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 41 states have (on average 1.4878048780487805) internal successors, (61), 60 states have internal predecessors, (61), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 06:13:03,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 65 transitions. [2024-11-09 06:13:03,335 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 65 transitions. Word has length 19 [2024-11-09 06:13:03,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:13:03,336 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 65 transitions. [2024-11-09 06:13:03,336 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 06:13:03,336 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 65 transitions. [2024-11-09 06:13:03,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 06:13:03,337 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:13:03,337 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:13:03,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 06:13:03,337 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 06:13:03,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:13:03,338 INFO L85 PathProgramCache]: Analyzing trace with hash -502836495, now seen corresponding path program 1 times [2024-11-09 06:13:03,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:13:03,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033072137] [2024-11-09 06:13:03,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:13:03,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:13:03,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:13:03,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:13:03,490 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:13:03,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033072137] [2024-11-09 06:13:03,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033072137] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:13:03,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:13:03,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 06:13:03,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301224652] [2024-11-09 06:13:03,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:13:03,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 06:13:03,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:13:03,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 06:13:03,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 06:13:03,494 INFO L87 Difference]: Start difference. First operand 64 states and 65 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 06:13:03,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:13:03,625 INFO L93 Difference]: Finished difference Result 66 states and 67 transitions. [2024-11-09 06:13:03,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 06:13:03,625 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2024-11-09 06:13:03,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:13:03,626 INFO L225 Difference]: With dead ends: 66 [2024-11-09 06:13:03,626 INFO L226 Difference]: Without dead ends: 65 [2024-11-09 06:13:03,627 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 06:13:03,628 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 0 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:13:03,628 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 52 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 06:13:03,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2024-11-09 06:13:03,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2024-11-09 06:13:03,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 42 states have (on average 1.4761904761904763) internal successors, (62), 61 states have internal predecessors, (62), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 06:13:03,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 66 transitions. [2024-11-09 06:13:03,640 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 66 transitions. Word has length 20 [2024-11-09 06:13:03,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:13:03,641 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 66 transitions. [2024-11-09 06:13:03,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 06:13:03,641 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 66 transitions. [2024-11-09 06:13:03,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 06:13:03,642 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:13:03,646 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:13:03,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 06:13:03,646 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 06:13:03,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:13:03,647 INFO L85 PathProgramCache]: Analyzing trace with hash 843952640, now seen corresponding path program 1 times [2024-11-09 06:13:03,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:13:03,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676401541] [2024-11-09 06:13:03,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:13:03,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:13:03,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 06:13:03,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1234886825] [2024-11-09 06:13:03,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:13:03,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:13:03,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:13:03,684 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:13:03,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 06:13:03,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:13:03,745 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 06:13:03,747 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:13:03,845 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:13:03,845 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:13:03,983 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:13:03,983 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:13:03,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676401541] [2024-11-09 06:13:03,984 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 06:13:03,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1234886825] [2024-11-09 06:13:03,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1234886825] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:13:03,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [183349419] [2024-11-09 06:13:04,008 INFO L159 IcfgInterpreter]: Started Sifa with 21 locations of interest [2024-11-09 06:13:04,009 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 06:13:04,013 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 06:13:04,019 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 06:13:04,019 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 06:13:06,000 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 35 for LOIs [2024-11-09 06:13:06,025 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 06:13:07,478 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1263#(exists ((|v_ULTIMATE.start_main_~y~0#1_60| Int)) (and (<= 1 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~x~0#1| 9223372036854775807) (<= |ULTIMATE.start_main_~k~0#1| 100) (<= 1 |v_ULTIMATE.start_main_~y~0#1_60|) (<= 9223372036854775808 (* |v_ULTIMATE.start_main_~y~0#1_60| |v_ULTIMATE.start_main_~y~0#1_60|)) (<= 1 |ULTIMATE.start_main_~c~0#1|) (<= |v_ULTIMATE.start_main_~y~0#1_60| |ULTIMATE.start_main_~x~0#1|) (<= 1 |ULTIMATE.start_main_~k~0#1|)))' at error location [2024-11-09 06:13:07,478 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 06:13:07,479 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 06:13:07,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-11-09 06:13:07,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291469106] [2024-11-09 06:13:07,479 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 06:13:07,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:13:07,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:13:07,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:13:07,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=275, Unknown=0, NotChecked=0, Total=342 [2024-11-09 06:13:07,481 INFO L87 Difference]: Start difference. First operand 65 states and 66 transitions. Second operand has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 06:13:07,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:13:07,691 INFO L93 Difference]: Finished difference Result 131 states and 162 transitions. [2024-11-09 06:13:07,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 06:13:07,691 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 23 [2024-11-09 06:13:07,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:13:07,692 INFO L225 Difference]: With dead ends: 131 [2024-11-09 06:13:07,693 INFO L226 Difference]: Without dead ends: 127 [2024-11-09 06:13:07,693 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 45 SyntacticMatches, 5 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2024-11-09 06:13:07,694 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 105 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 06:13:07,694 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 76 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 06:13:07,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-11-09 06:13:07,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 99. [2024-11-09 06:13:07,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 77 states have (on average 1.5064935064935066) internal successors, (116), 93 states have internal predecessors, (116), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 06:13:07,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 124 transitions. [2024-11-09 06:13:07,703 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 124 transitions. Word has length 23 [2024-11-09 06:13:07,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:13:07,703 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 124 transitions. [2024-11-09 06:13:07,704 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 06:13:07,704 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 124 transitions. [2024-11-09 06:13:07,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-09 06:13:07,704 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:13:07,704 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:13:07,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 06:13:07,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:13:07,906 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 06:13:07,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:13:07,906 INFO L85 PathProgramCache]: Analyzing trace with hash 392728117, now seen corresponding path program 1 times [2024-11-09 06:13:07,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:13:07,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131911284] [2024-11-09 06:13:07,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:13:07,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:13:07,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:13:08,023 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:13:08,024 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:13:08,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131911284] [2024-11-09 06:13:08,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131911284] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:13:08,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [743632871] [2024-11-09 06:13:08,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:13:08,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:13:08,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:13:08,028 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:13:08,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 06:13:08,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:13:08,081 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 06:13:08,082 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:13:08,183 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:13:08,183 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:13:08,267 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:13:08,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [743632871] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:13:08,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2068518169] [2024-11-09 06:13:08,269 INFO L159 IcfgInterpreter]: Started Sifa with 21 locations of interest [2024-11-09 06:13:08,269 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 06:13:08,270 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 06:13:08,271 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 06:13:08,271 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 06:13:09,246 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 35 for LOIs [2024-11-09 06:13:09,254 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 06:13:10,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [2068518169] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:13:10,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 06:13:10,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4, 4] total 21 [2024-11-09 06:13:10,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408458871] [2024-11-09 06:13:10,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:13:10,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 06:13:10,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:13:10,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 06:13:10,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=338, Unknown=0, NotChecked=0, Total=462 [2024-11-09 06:13:10,288 INFO L87 Difference]: Start difference. First operand 99 states and 124 transitions. Second operand has 14 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 11 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 06:13:11,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:13:11,220 INFO L93 Difference]: Finished difference Result 100 states and 125 transitions. [2024-11-09 06:13:11,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 06:13:11,220 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 11 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2024-11-09 06:13:11,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:13:11,221 INFO L225 Difference]: With dead ends: 100 [2024-11-09 06:13:11,222 INFO L226 Difference]: Without dead ends: 91 [2024-11-09 06:13:11,222 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 49 SyntacticMatches, 5 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=276, Invalid=654, Unknown=0, NotChecked=0, Total=930 [2024-11-09 06:13:11,224 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 71 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 06:13:11,225 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 37 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 06:13:11,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-11-09 06:13:11,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 90. [2024-11-09 06:13:11,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 77 states have (on average 1.155844155844156) internal successors, (89), 84 states have internal predecessors, (89), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 06:13:11,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 97 transitions. [2024-11-09 06:13:11,246 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 97 transitions. Word has length 24 [2024-11-09 06:13:11,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:13:11,247 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 97 transitions. [2024-11-09 06:13:11,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 11 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 06:13:11,247 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 97 transitions. [2024-11-09 06:13:11,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 06:13:11,248 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:13:11,248 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:13:11,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-09 06:13:11,451 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:13:11,452 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 06:13:11,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:13:11,452 INFO L85 PathProgramCache]: Analyzing trace with hash -710330206, now seen corresponding path program 1 times [2024-11-09 06:13:11,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:13:11,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911386845] [2024-11-09 06:13:11,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:13:11,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:13:11,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:13:11,522 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:13:11,522 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:13:11,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911386845] [2024-11-09 06:13:11,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911386845] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:13:11,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1131004809] [2024-11-09 06:13:11,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:13:11,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:13:11,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:13:11,524 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:13:11,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 06:13:11,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:13:11,562 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 06:13:11,563 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:13:11,644 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:13:11,644 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:13:11,719 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:13:11,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1131004809] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:13:11,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [76498203] [2024-11-09 06:13:11,722 INFO L159 IcfgInterpreter]: Started Sifa with 21 locations of interest [2024-11-09 06:13:11,723 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 06:13:11,724 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 06:13:11,724 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 06:13:11,724 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 06:13:12,628 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 35 for LOIs [2024-11-09 06:13:12,636 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 06:13:13,692 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2075#(and (<= 0 |ULTIMATE.start_main_~k~0#1|) (<= 1 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~k~0#1| 100) (<= 0 |ULTIMATE.start_main_~y~0#1|) (<= 0 |ULTIMATE.start_main_~c~0#1|) (<= |ULTIMATE.start_main_~y~0#1| 9223372036854775807))' at error location [2024-11-09 06:13:13,693 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 06:13:13,693 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 06:13:13,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-11-09 06:13:13,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314992722] [2024-11-09 06:13:13,693 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 06:13:13,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 06:13:13,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:13:13,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 06:13:13,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=401, Unknown=0, NotChecked=0, Total=506 [2024-11-09 06:13:13,695 INFO L87 Difference]: Start difference. First operand 90 states and 97 transitions. Second operand has 10 states, 9 states have (on average 6.888888888888889) internal successors, (62), 10 states have internal predecessors, (62), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 06:13:13,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:13:13,856 INFO L93 Difference]: Finished difference Result 99 states and 110 transitions. [2024-11-09 06:13:13,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 06:13:13,858 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.888888888888889) internal successors, (62), 10 states have internal predecessors, (62), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 25 [2024-11-09 06:13:13,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:13:13,859 INFO L225 Difference]: With dead ends: 99 [2024-11-09 06:13:13,859 INFO L226 Difference]: Without dead ends: 95 [2024-11-09 06:13:13,860 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 51 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 277 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=125, Invalid=475, Unknown=0, NotChecked=0, Total=600 [2024-11-09 06:13:13,860 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 54 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:13:13,861 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 43 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 06:13:13,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-09 06:13:13,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 87. [2024-11-09 06:13:13,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 77 states have (on average 1.0909090909090908) internal successors, (84), 81 states have internal predecessors, (84), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 06:13:13,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 92 transitions. [2024-11-09 06:13:13,874 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 92 transitions. Word has length 25 [2024-11-09 06:13:13,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:13:13,874 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 92 transitions. [2024-11-09 06:13:13,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.888888888888889) internal successors, (62), 10 states have internal predecessors, (62), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 06:13:13,875 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 92 transitions. [2024-11-09 06:13:13,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 06:13:13,875 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:13:13,875 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:13:13,897 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-09 06:13:14,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-09 06:13:14,076 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 06:13:14,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:13:14,077 INFO L85 PathProgramCache]: Analyzing trace with hash -1899171045, now seen corresponding path program 1 times [2024-11-09 06:13:14,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:13:14,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680868252] [2024-11-09 06:13:14,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:13:14,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:13:14,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:13:14,137 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 06:13:14,139 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:13:14,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680868252] [2024-11-09 06:13:14,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680868252] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:13:14,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:13:14,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:13:14,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872198037] [2024-11-09 06:13:14,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:13:14,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:13:14,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:13:14,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:13:14,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:13:14,141 INFO L87 Difference]: Start difference. First operand 87 states and 92 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 06:13:14,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:13:14,172 INFO L93 Difference]: Finished difference Result 87 states and 92 transitions. [2024-11-09 06:13:14,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:13:14,173 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 36 [2024-11-09 06:13:14,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:13:14,174 INFO L225 Difference]: With dead ends: 87 [2024-11-09 06:13:14,174 INFO L226 Difference]: Without dead ends: 86 [2024-11-09 06:13:14,174 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:13:14,175 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 14 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:13:14,175 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 19 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:13:14,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-11-09 06:13:14,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2024-11-09 06:13:14,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 77 states have (on average 1.077922077922078) internal successors, (83), 80 states have internal predecessors, (83), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 06:13:14,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 91 transitions. [2024-11-09 06:13:14,189 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 91 transitions. Word has length 36 [2024-11-09 06:13:14,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:13:14,189 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 91 transitions. [2024-11-09 06:13:14,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 06:13:14,189 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 91 transitions. [2024-11-09 06:13:14,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-09 06:13:14,190 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:13:14,192 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:13:14,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 06:13:14,192 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 06:13:14,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:13:14,193 INFO L85 PathProgramCache]: Analyzing trace with hash -600319965, now seen corresponding path program 1 times [2024-11-09 06:13:14,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:13:14,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64302758] [2024-11-09 06:13:14,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:13:14,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:13:14,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:13:14,231 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-09 06:13:14,232 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:13:14,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64302758] [2024-11-09 06:13:14,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64302758] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:13:14,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:13:14,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:13:14,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696268306] [2024-11-09 06:13:14,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:13:14,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:13:14,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:13:14,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:13:14,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:13:14,234 INFO L87 Difference]: Start difference. First operand 86 states and 91 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 06:13:14,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:13:14,284 INFO L93 Difference]: Finished difference Result 86 states and 91 transitions. [2024-11-09 06:13:14,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:13:14,285 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 39 [2024-11-09 06:13:14,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:13:14,285 INFO L225 Difference]: With dead ends: 86 [2024-11-09 06:13:14,286 INFO L226 Difference]: Without dead ends: 85 [2024-11-09 06:13:14,286 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:13:14,287 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 12 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:13:14,287 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 13 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:13:14,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-11-09 06:13:14,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2024-11-09 06:13:14,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 77 states have (on average 1.0649350649350648) internal successors, (82), 79 states have internal predecessors, (82), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 06:13:14,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 90 transitions. [2024-11-09 06:13:14,295 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 90 transitions. Word has length 39 [2024-11-09 06:13:14,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:13:14,296 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 90 transitions. [2024-11-09 06:13:14,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 06:13:14,296 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 90 transitions. [2024-11-09 06:13:14,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-09 06:13:14,297 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:13:14,297 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:13:14,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 06:13:14,298 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 06:13:14,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:13:14,298 INFO L85 PathProgramCache]: Analyzing trace with hash -1381865563, now seen corresponding path program 1 times [2024-11-09 06:13:14,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:13:14,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766974328] [2024-11-09 06:13:14,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:13:14,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:13:14,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:13:14,333 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-09 06:13:14,333 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:13:14,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766974328] [2024-11-09 06:13:14,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766974328] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:13:14,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:13:14,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:13:14,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743632612] [2024-11-09 06:13:14,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:13:14,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:13:14,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:13:14,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:13:14,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:13:14,336 INFO L87 Difference]: Start difference. First operand 85 states and 90 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 06:13:14,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:13:14,388 INFO L93 Difference]: Finished difference Result 85 states and 90 transitions. [2024-11-09 06:13:14,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:13:14,388 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 41 [2024-11-09 06:13:14,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:13:14,389 INFO L225 Difference]: With dead ends: 85 [2024-11-09 06:13:14,389 INFO L226 Difference]: Without dead ends: 76 [2024-11-09 06:13:14,390 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:13:14,390 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 12 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:13:14,391 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 13 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:13:14,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-11-09 06:13:14,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2024-11-09 06:13:14,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 69 states have (on average 1.0289855072463767) internal successors, (71), 70 states have internal predecessors, (71), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 06:13:14,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 79 transitions. [2024-11-09 06:13:14,399 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 79 transitions. Word has length 41 [2024-11-09 06:13:14,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:13:14,399 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 79 transitions. [2024-11-09 06:13:14,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 06:13:14,399 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 79 transitions. [2024-11-09 06:13:14,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-09 06:13:14,401 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:13:14,401 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1] [2024-11-09 06:13:14,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-09 06:13:14,401 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 06:13:14,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:13:14,401 INFO L85 PathProgramCache]: Analyzing trace with hash -992941790, now seen corresponding path program 2 times [2024-11-09 06:13:14,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:13:14,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878319494] [2024-11-09 06:13:14,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:13:14,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:13:14,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:13:14,579 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 06:13:14,580 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:13:14,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878319494] [2024-11-09 06:13:14,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878319494] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:13:14,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [793746416] [2024-11-09 06:13:14,580 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 06:13:14,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:13:14,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:13:14,582 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:13:14,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 06:13:14,636 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-09 06:13:14,636 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 06:13:14,637 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 06:13:14,639 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:13:26,935 WARN L873 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main_~y~0#1| Int)) (let ((.cse0 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|))) (and (= (mod (+ |ULTIMATE.start_main_~y~0#1| .cse0) 2) 0) (<= .cse0 (+ 9223372036854775806 (* 2 |ULTIMATE.start_main_~y~0#1|))) (<= .cse0 9223372036854775807) (<= |c_ULTIMATE.start_main_~x~0#1| (+ |ULTIMATE.start_main_~y~0#1| (div (+ (* (- 1) |ULTIMATE.start_main_~y~0#1|) .cse0) 2)))))) is different from true [2024-11-09 06:13:28,967 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 2 not checked. [2024-11-09 06:13:28,967 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:13:35,273 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-09 06:13:35,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [793746416] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 06:13:35,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-09 06:13:35,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8, 7] total 18 [2024-11-09 06:13:35,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722409979] [2024-11-09 06:13:35,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:13:35,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 06:13:35,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:13:35,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 06:13:35,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=220, Unknown=3, NotChecked=32, Total=342 [2024-11-09 06:13:35,275 INFO L87 Difference]: Start difference. First operand 76 states and 79 transitions. Second operand has 7 states, 5 states have (on average 6.2) internal successors, (31), 7 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 06:13:35,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:13:35,542 INFO L93 Difference]: Finished difference Result 76 states and 79 transitions. [2024-11-09 06:13:35,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 06:13:35,543 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 6.2) internal successors, (31), 7 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 63 [2024-11-09 06:13:35,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:13:35,544 INFO L225 Difference]: With dead ends: 76 [2024-11-09 06:13:35,546 INFO L226 Difference]: Without dead ends: 75 [2024-11-09 06:13:35,547 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 10.4s TimeCoverageRelationStatistics Valid=118, Invalid=303, Unknown=3, NotChecked=38, Total=462 [2024-11-09 06:13:35,548 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 45 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:13:35,549 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 19 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 06:13:35,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-11-09 06:13:35,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2024-11-09 06:13:35,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 69 states have (on average 1.0144927536231885) internal successors, (70), 69 states have internal predecessors, (70), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 06:13:35,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 78 transitions. [2024-11-09 06:13:35,561 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 78 transitions. Word has length 63 [2024-11-09 06:13:35,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:13:35,562 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 78 transitions. [2024-11-09 06:13:35,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 6.2) internal successors, (31), 7 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 06:13:35,563 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 78 transitions. [2024-11-09 06:13:35,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-09 06:13:35,568 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:13:35,568 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1] [2024-11-09 06:13:35,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-09 06:13:35,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-09 06:13:35,769 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 06:13:35,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:13:35,770 INFO L85 PathProgramCache]: Analyzing trace with hash -315127060, now seen corresponding path program 2 times [2024-11-09 06:13:35,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:13:35,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376100666] [2024-11-09 06:13:35,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:13:35,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:13:35,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 06:13:35,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2035795497] [2024-11-09 06:13:35,814 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 06:13:35,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:13:35,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:13:35,817 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:13:35,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 06:13:35,891 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-11-09 06:13:35,891 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 06:13:35,892 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 06:13:35,895 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:13:36,025 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 06:13:36,025 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:13:36,327 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 06:13:36,327 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:13:36,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376100666] [2024-11-09 06:13:36,328 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 06:13:36,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2035795497] [2024-11-09 06:13:36,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2035795497] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:13:36,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [652862413] [2024-11-09 06:13:36,331 INFO L159 IcfgInterpreter]: Started Sifa with 21 locations of interest [2024-11-09 06:13:36,331 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 06:13:36,331 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 06:13:36,332 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 06:13:36,332 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 06:13:37,379 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 35 for LOIs [2024-11-09 06:13:37,386 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 06:13:39,045 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3936#(exists ((|v_ULTIMATE.start_main_~y~0#1_89| Int)) (and (<= |v_ULTIMATE.start_main_~y~0#1_89| |ULTIMATE.start_main_~x~0#1|) (<= 1 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~x~0#1| 9223372036854775807) (<= |ULTIMATE.start_main_~k~0#1| 100) (<= 1 |ULTIMATE.start_main_~c~0#1|) (<= 9223372036854775808 (* |v_ULTIMATE.start_main_~y~0#1_89| |v_ULTIMATE.start_main_~y~0#1_89|)) (<= 1 |v_ULTIMATE.start_main_~y~0#1_89|) (<= 1 |ULTIMATE.start_main_~k~0#1|)))' at error location [2024-11-09 06:13:39,046 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 06:13:39,046 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 06:13:39,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-09 06:13:39,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450632206] [2024-11-09 06:13:39,046 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 06:13:39,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 06:13:39,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:13:39,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 06:13:39,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=500, Unknown=0, NotChecked=0, Total=600 [2024-11-09 06:13:39,049 INFO L87 Difference]: Start difference. First operand 75 states and 78 transitions. Second operand has 12 states, 11 states have (on average 12.454545454545455) internal successors, (137), 12 states have internal predecessors, (137), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 06:13:39,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:13:39,591 INFO L93 Difference]: Finished difference Result 178 states and 192 transitions. [2024-11-09 06:13:39,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 06:13:39,591 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 12.454545454545455) internal successors, (137), 12 states have internal predecessors, (137), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Word has length 80 [2024-11-09 06:13:39,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:13:39,593 INFO L225 Difference]: With dead ends: 178 [2024-11-09 06:13:39,593 INFO L226 Difference]: Without dead ends: 177 [2024-11-09 06:13:39,593 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 198 SyntacticMatches, 17 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 345 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=148, Invalid=664, Unknown=0, NotChecked=0, Total=812 [2024-11-09 06:13:39,594 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 79 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 06:13:39,594 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 211 Invalid, 332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 06:13:39,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2024-11-09 06:13:39,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2024-11-09 06:13:39,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 165 states have (on average 1.006060606060606) internal successors, (166), 165 states have internal predecessors, (166), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 06:13:39,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 186 transitions. [2024-11-09 06:13:39,610 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 186 transitions. Word has length 80 [2024-11-09 06:13:39,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:13:39,610 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 186 transitions. [2024-11-09 06:13:39,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 12.454545454545455) internal successors, (137), 12 states have internal predecessors, (137), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 06:13:39,610 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 186 transitions. [2024-11-09 06:13:39,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-09 06:13:39,614 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:13:39,614 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1] [2024-11-09 06:13:39,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-09 06:13:39,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-09 06:13:39,815 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 06:13:39,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:13:39,815 INFO L85 PathProgramCache]: Analyzing trace with hash 408938860, now seen corresponding path program 3 times [2024-11-09 06:13:39,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:13:39,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487501506] [2024-11-09 06:13:39,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:13:39,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:13:39,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 06:13:39,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [572743014] [2024-11-09 06:13:39,863 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-09 06:13:39,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:13:39,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:13:39,865 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:13:39,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 06:13:39,969 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-09 06:13:39,969 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 06:13:39,971 INFO L255 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-09 06:13:39,975 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:13:40,309 INFO L134 CoverageAnalysis]: Checked inductivity of 885 backedges. 0 proven. 795 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-09 06:13:40,310 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:13:41,065 INFO L134 CoverageAnalysis]: Checked inductivity of 885 backedges. 0 proven. 795 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-09 06:13:41,065 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:13:41,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487501506] [2024-11-09 06:13:41,066 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 06:13:41,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [572743014] [2024-11-09 06:13:41,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [572743014] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:13:41,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [482112756] [2024-11-09 06:13:41,068 INFO L159 IcfgInterpreter]: Started Sifa with 21 locations of interest [2024-11-09 06:13:41,068 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 06:13:41,069 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 06:13:41,069 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 06:13:41,069 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 06:13:41,827 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 35 for LOIs [2024-11-09 06:13:41,833 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 06:13:45,185 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '5540#(exists ((|v_ULTIMATE.start_main_~y~0#1_114| Int)) (and (<= |v_ULTIMATE.start_main_~y~0#1_114| |ULTIMATE.start_main_~x~0#1|) (<= 1 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~x~0#1| 9223372036854775807) (<= |ULTIMATE.start_main_~k~0#1| 100) (<= 1 |ULTIMATE.start_main_~c~0#1|) (<= 9223372036854775808 (* |v_ULTIMATE.start_main_~y~0#1_114| |v_ULTIMATE.start_main_~y~0#1_114|)) (<= 1 |ULTIMATE.start_main_~k~0#1|) (<= 1 |v_ULTIMATE.start_main_~y~0#1_114|)))' at error location [2024-11-09 06:13:45,185 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 06:13:45,185 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 06:13:45,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 23 [2024-11-09 06:13:45,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950622920] [2024-11-09 06:13:45,186 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 06:13:45,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-09 06:13:45,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:13:45,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-09 06:13:45,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=220, Invalid=1112, Unknown=0, NotChecked=0, Total=1332 [2024-11-09 06:13:45,189 INFO L87 Difference]: Start difference. First operand 177 states and 186 transitions. Second operand has 24 states, 23 states have (on average 14.304347826086957) internal successors, (329), 24 states have internal predecessors, (329), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-09 06:13:47,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:13:47,038 INFO L93 Difference]: Finished difference Result 382 states and 414 transitions. [2024-11-09 06:13:47,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-09 06:13:47,039 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 14.304347826086957) internal successors, (329), 24 states have internal predecessors, (329), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Word has length 194 [2024-11-09 06:13:47,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:13:47,042 INFO L225 Difference]: With dead ends: 382 [2024-11-09 06:13:47,042 INFO L226 Difference]: Without dead ends: 381 [2024-11-09 06:13:47,044 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 590 GetRequests, 504 SyntacticMatches, 41 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1080 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=460, Invalid=1702, Unknown=0, NotChecked=0, Total=2162 [2024-11-09 06:13:47,044 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 145 mSDsluCounter, 853 mSDsCounter, 0 mSdLazyCounter, 1449 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 942 SdHoareTripleChecker+Invalid, 1462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:13:47,045 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 942 Invalid, 1462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1449 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-09 06:13:47,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2024-11-09 06:13:47,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 381. [2024-11-09 06:13:47,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 357 states have (on average 1.0028011204481793) internal successors, (358), 357 states have internal predecessors, (358), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-09 06:13:47,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 402 transitions. [2024-11-09 06:13:47,081 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 402 transitions. Word has length 194 [2024-11-09 06:13:47,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:13:47,082 INFO L471 AbstractCegarLoop]: Abstraction has 381 states and 402 transitions. [2024-11-09 06:13:47,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 14.304347826086957) internal successors, (329), 24 states have internal predecessors, (329), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-09 06:13:47,083 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 402 transitions. [2024-11-09 06:13:47,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2024-11-09 06:13:47,094 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:13:47,094 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 1, 1] [2024-11-09 06:13:47,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-09 06:13:47,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-09 06:13:47,300 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 06:13:47,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:13:47,301 INFO L85 PathProgramCache]: Analyzing trace with hash 1492043372, now seen corresponding path program 4 times [2024-11-09 06:13:47,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:13:47,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391269284] [2024-11-09 06:13:47,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:13:47,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:13:47,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 06:13:47,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1993655489] [2024-11-09 06:13:47,531 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-09 06:13:47,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:13:47,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:13:47,534 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:13:47,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-09 06:13:47,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:13:47,727 INFO L255 TraceCheckSpWp]: Trace formula consists of 649 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-09 06:13:47,735 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:13:48,473 INFO L134 CoverageAnalysis]: Checked inductivity of 4455 backedges. 0 proven. 3993 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2024-11-09 06:13:48,473 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:13:50,721 INFO L134 CoverageAnalysis]: Checked inductivity of 4455 backedges. 0 proven. 3993 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2024-11-09 06:13:50,722 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:13:50,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391269284] [2024-11-09 06:13:50,722 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 06:13:50,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1993655489] [2024-11-09 06:13:50,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1993655489] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:13:50,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [541447391] [2024-11-09 06:13:50,724 INFO L159 IcfgInterpreter]: Started Sifa with 21 locations of interest [2024-11-09 06:13:50,724 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 06:13:50,725 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 06:13:50,725 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 06:13:50,725 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 06:13:51,483 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 35 for LOIs [2024-11-09 06:13:51,498 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 06:14:01,703 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '9004#(exists ((|v_ULTIMATE.start_main_~y~0#1_163| Int)) (and (<= 1 |#StackHeapBarrier|) (<= |v_ULTIMATE.start_main_~y~0#1_163| |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 9223372036854775807) (<= |ULTIMATE.start_main_~k~0#1| 100) (<= 1 |ULTIMATE.start_main_~c~0#1|) (<= 9223372036854775808 (* |v_ULTIMATE.start_main_~y~0#1_163| |v_ULTIMATE.start_main_~y~0#1_163|)) (<= 1 |ULTIMATE.start_main_~k~0#1|) (<= 1 |v_ULTIMATE.start_main_~y~0#1_163|)))' at error location [2024-11-09 06:14:01,703 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 06:14:01,703 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 06:14:01,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24] total 47 [2024-11-09 06:14:01,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720907626] [2024-11-09 06:14:01,704 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 06:14:01,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-09 06:14:01,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:14:01,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-09 06:14:01,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=676, Invalid=2984, Unknown=0, NotChecked=0, Total=3660 [2024-11-09 06:14:01,709 INFO L87 Difference]: Start difference. First operand 381 states and 402 transitions. Second operand has 48 states, 47 states have (on average 15.170212765957446) internal successors, (713), 48 states have internal predecessors, (713), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-09 06:14:08,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:14:08,068 INFO L93 Difference]: Finished difference Result 790 states and 858 transitions. [2024-11-09 06:14:08,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-09 06:14:08,069 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 15.170212765957446) internal successors, (713), 48 states have internal predecessors, (713), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) Word has length 422 [2024-11-09 06:14:08,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:14:08,073 INFO L225 Difference]: With dead ends: 790 [2024-11-09 06:14:08,073 INFO L226 Difference]: Without dead ends: 789 [2024-11-09 06:14:08,075 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1286 GetRequests, 1116 SyntacticMatches, 89 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3522 ImplicationChecksByTransitivity, 14.7s TimeCoverageRelationStatistics Valid=1732, Invalid=5074, Unknown=0, NotChecked=0, Total=6806 [2024-11-09 06:14:08,076 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 277 mSDsluCounter, 3698 mSDsCounter, 0 mSdLazyCounter, 6067 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 3883 SdHoareTripleChecker+Invalid, 6092 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 6067 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:14:08,076 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [279 Valid, 3883 Invalid, 6092 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 6067 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-09 06:14:08,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2024-11-09 06:14:08,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 789. [2024-11-09 06:14:08,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 789 states, 741 states have (on average 1.001349527665317) internal successors, (742), 741 states have internal predecessors, (742), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-09 06:14:08,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 834 transitions. [2024-11-09 06:14:08,129 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 834 transitions. Word has length 422 [2024-11-09 06:14:08,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:14:08,130 INFO L471 AbstractCegarLoop]: Abstraction has 789 states and 834 transitions. [2024-11-09 06:14:08,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 15.170212765957446) internal successors, (713), 48 states have internal predecessors, (713), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-09 06:14:08,131 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 834 transitions. [2024-11-09 06:14:08,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 879 [2024-11-09 06:14:08,160 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:14:08,160 INFO L215 NwaCegarLoop]: trace histogram [47, 47, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 1, 1] [2024-11-09 06:14:08,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-09 06:14:08,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-09 06:14:08,361 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 06:14:08,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:14:08,362 INFO L85 PathProgramCache]: Analyzing trace with hash 1348796524, now seen corresponding path program 5 times [2024-11-09 06:14:08,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:14:08,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166690270] [2024-11-09 06:14:08,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:14:08,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:14:08,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 06:14:08,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1119728149] [2024-11-09 06:14:08,805 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 06:14:08,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:14:08,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:14:08,807 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:14:08,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 06:14:26,349 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 47 check-sat command(s) [2024-11-09 06:14:26,349 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 06:14:26,360 INFO L255 TraceCheckSpWp]: Trace formula consists of 1321 conjuncts, 95 conjuncts are in the unsatisfiable core [2024-11-09 06:14:26,373 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:14:28,361 INFO L134 CoverageAnalysis]: Checked inductivity of 19803 backedges. 0 proven. 17733 refuted. 0 times theorem prover too weak. 2070 trivial. 0 not checked. [2024-11-09 06:14:28,362 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:14:35,329 INFO L134 CoverageAnalysis]: Checked inductivity of 19803 backedges. 0 proven. 17733 refuted. 0 times theorem prover too weak. 2070 trivial. 0 not checked. [2024-11-09 06:14:35,330 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:14:35,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166690270] [2024-11-09 06:14:35,330 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 06:14:35,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1119728149] [2024-11-09 06:14:35,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1119728149] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:14:35,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [399166644] [2024-11-09 06:14:35,332 INFO L159 IcfgInterpreter]: Started Sifa with 21 locations of interest [2024-11-09 06:14:35,333 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 06:14:35,333 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 06:14:35,333 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 06:14:35,333 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 06:14:35,914 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 35 for LOIs [2024-11-09 06:14:35,920 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 06:15:10,496 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '16188#(exists ((|v_ULTIMATE.start_main_~y~0#1_260| Int)) (and (<= 1 |#StackHeapBarrier|) (<= 9223372036854775808 (* |v_ULTIMATE.start_main_~y~0#1_260| |v_ULTIMATE.start_main_~y~0#1_260|)) (<= |v_ULTIMATE.start_main_~y~0#1_260| |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 9223372036854775807) (<= |ULTIMATE.start_main_~k~0#1| 100) (<= 1 |ULTIMATE.start_main_~c~0#1|) (<= 1 |v_ULTIMATE.start_main_~y~0#1_260|) (<= 1 |ULTIMATE.start_main_~k~0#1|)))' at error location [2024-11-09 06:15:10,497 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 06:15:10,497 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 06:15:10,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48] total 95 [2024-11-09 06:15:10,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377186479] [2024-11-09 06:15:10,498 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 06:15:10,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2024-11-09 06:15:10,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:15:10,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2024-11-09 06:15:10,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2452, Invalid=9320, Unknown=0, NotChecked=0, Total=11772 [2024-11-09 06:15:10,508 INFO L87 Difference]: Start difference. First operand 789 states and 834 transitions. Second operand has 96 states, 95 states have (on average 15.589473684210526) internal successors, (1481), 96 states have internal predecessors, (1481), 92 states have call successors, (92), 1 states have call predecessors, (92), 1 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2024-11-09 06:15:39,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:15:39,266 INFO L93 Difference]: Finished difference Result 1606 states and 1746 transitions. [2024-11-09 06:15:39,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-11-09 06:15:39,268 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 15.589473684210526) internal successors, (1481), 96 states have internal predecessors, (1481), 92 states have call successors, (92), 1 states have call predecessors, (92), 1 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) Word has length 878 [2024-11-09 06:15:39,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:15:39,276 INFO L225 Difference]: With dead ends: 1606 [2024-11-09 06:15:39,276 INFO L226 Difference]: Without dead ends: 1605 [2024-11-09 06:15:39,282 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2678 GetRequests, 2340 SyntacticMatches, 185 SemanticMatches, 153 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12294 ImplicationChecksByTransitivity, 58.7s TimeCoverageRelationStatistics Valid=6868, Invalid=17002, Unknown=0, NotChecked=0, Total=23870 [2024-11-09 06:15:39,283 INFO L432 NwaCegarLoop]: 377 mSDtfsCounter, 530 mSDsluCounter, 15458 mSDsCounter, 0 mSdLazyCounter, 24811 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 532 SdHoareTripleChecker+Valid, 15835 SdHoareTripleChecker+Invalid, 24859 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 24811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2024-11-09 06:15:39,283 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [532 Valid, 15835 Invalid, 24859 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [48 Valid, 24811 Invalid, 0 Unknown, 0 Unchecked, 9.6s Time] [2024-11-09 06:15:39,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1605 states. [2024-11-09 06:15:39,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1605 to 1605. [2024-11-09 06:15:39,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1605 states, 1509 states have (on average 1.0006626905235254) internal successors, (1510), 1509 states have internal predecessors, (1510), 94 states have call successors, (94), 1 states have call predecessors, (94), 1 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) [2024-11-09 06:15:39,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1605 states to 1605 states and 1698 transitions. [2024-11-09 06:15:39,396 INFO L78 Accepts]: Start accepts. Automaton has 1605 states and 1698 transitions. Word has length 878 [2024-11-09 06:15:39,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:15:39,399 INFO L471 AbstractCegarLoop]: Abstraction has 1605 states and 1698 transitions. [2024-11-09 06:15:39,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 15.589473684210526) internal successors, (1481), 96 states have internal predecessors, (1481), 92 states have call successors, (92), 1 states have call predecessors, (92), 1 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2024-11-09 06:15:39,400 INFO L276 IsEmpty]: Start isEmpty. Operand 1605 states and 1698 transitions. [2024-11-09 06:15:39,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1791 [2024-11-09 06:15:39,511 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:15:39,511 INFO L215 NwaCegarLoop]: trace histogram [95, 95, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, 1, 1] [2024-11-09 06:15:39,539 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-09 06:15:39,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-09 06:15:39,712 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 06:15:39,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:15:39,713 INFO L85 PathProgramCache]: Analyzing trace with hash -1280084884, now seen corresponding path program 6 times [2024-11-09 06:15:39,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:15:39,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208409920] [2024-11-09 06:15:39,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:15:39,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:15:41,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 06:15:41,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1294038125] [2024-11-09 06:15:41,169 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-09 06:15:41,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:15:41,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:15:41,171 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:15:41,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-09 06:15:41,818 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-09 06:15:41,819 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 06:15:41,832 INFO L255 TraceCheckSpWp]: Trace formula consists of 2665 conjuncts, 191 conjuncts are in the unsatisfiable core [2024-11-09 06:15:41,859 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:15:47,835 INFO L134 CoverageAnalysis]: Checked inductivity of 83331 backedges. 0 proven. 74589 refuted. 0 times theorem prover too weak. 8742 trivial. 0 not checked. [2024-11-09 06:15:47,835 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 06:16:10,852 INFO L134 CoverageAnalysis]: Checked inductivity of 83331 backedges. 0 proven. 74589 refuted. 0 times theorem prover too weak. 8742 trivial. 0 not checked. [2024-11-09 06:16:10,853 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:16:10,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208409920] [2024-11-09 06:16:10,853 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 06:16:10,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1294038125] [2024-11-09 06:16:10,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1294038125] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 06:16:10,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [244412693] [2024-11-09 06:16:10,856 INFO L159 IcfgInterpreter]: Started Sifa with 21 locations of interest [2024-11-09 06:16:10,857 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 06:16:10,857 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 06:16:10,857 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 06:16:10,857 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 06:16:11,457 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 35 for LOIs [2024-11-09 06:16:11,461 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 06:18:18,599 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '30812#(exists ((|v_ULTIMATE.start_main_~y~0#1_453| Int)) (and (<= 1 |#StackHeapBarrier|) (<= 9223372036854775808 (* |v_ULTIMATE.start_main_~y~0#1_453| |v_ULTIMATE.start_main_~y~0#1_453|)) (<= |ULTIMATE.start_main_~x~0#1| 9223372036854775807) (<= |ULTIMATE.start_main_~k~0#1| 100) (<= 1 |v_ULTIMATE.start_main_~y~0#1_453|) (<= 1 |ULTIMATE.start_main_~c~0#1|) (<= 1 |ULTIMATE.start_main_~k~0#1|) (<= |v_ULTIMATE.start_main_~y~0#1_453| |ULTIMATE.start_main_~x~0#1|)))' at error location [2024-11-09 06:18:18,599 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 06:18:18,599 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 06:18:18,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [96, 96] total 191 [2024-11-09 06:18:18,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535690494] [2024-11-09 06:18:18,600 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 06:18:18,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 192 states [2024-11-09 06:18:18,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:18:18,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2024-11-09 06:18:18,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9460, Invalid=32360, Unknown=0, NotChecked=0, Total=41820 [2024-11-09 06:18:18,623 INFO L87 Difference]: Start difference. First operand 1605 states and 1698 transitions. Second operand has 192 states, 191 states have (on average 15.795811518324607) internal successors, (3017), 192 states have internal predecessors, (3017), 188 states have call successors, (188), 1 states have call predecessors, (188), 1 states have return successors, (188), 188 states have call predecessors, (188), 188 states have call successors, (188) [2024-11-09 06:21:24,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:21:24,025 INFO L93 Difference]: Finished difference Result 3238 states and 3522 transitions. [2024-11-09 06:21:24,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2024-11-09 06:21:24,027 INFO L78 Accepts]: Start accepts. Automaton has has 192 states, 191 states have (on average 15.795811518324607) internal successors, (3017), 192 states have internal predecessors, (3017), 188 states have call successors, (188), 1 states have call predecessors, (188), 1 states have return successors, (188), 188 states have call predecessors, (188), 188 states have call successors, (188) Word has length 1790 [2024-11-09 06:21:24,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:21:24,041 INFO L225 Difference]: With dead ends: 3238 [2024-11-09 06:21:24,041 INFO L226 Difference]: Without dead ends: 3237 [2024-11-09 06:21:24,052 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5462 GetRequests, 4788 SyntacticMatches, 377 SemanticMatches, 297 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45390 ImplicationChecksByTransitivity, 291.3s TimeCoverageRelationStatistics Valid=27508, Invalid=61594, Unknown=0, NotChecked=0, Total=89102 [2024-11-09 06:21:24,053 INFO L432 NwaCegarLoop]: 761 mSDtfsCounter, 1058 mSDsluCounter, 63170 mSDsCounter, 0 mSdLazyCounter, 100315 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1060 SdHoareTripleChecker+Valid, 63931 SdHoareTripleChecker+Invalid, 100411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.5s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 100315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.8s IncrementalHoareTripleChecker+Time [2024-11-09 06:21:24,053 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1060 Valid, 63931 Invalid, 100411 Unknown, 0 Unchecked, 0.5s Time], IncrementalHoareTripleChecker [96 Valid, 100315 Invalid, 0 Unknown, 0 Unchecked, 37.8s Time] [2024-11-09 06:21:24,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3237 states. [2024-11-09 06:21:24,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3237 to 3237. [2024-11-09 06:21:24,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3237 states, 3045 states have (on average 1.000328407224959) internal successors, (3046), 3045 states have internal predecessors, (3046), 190 states have call successors, (190), 1 states have call predecessors, (190), 1 states have return successors, (190), 190 states have call predecessors, (190), 190 states have call successors, (190) [2024-11-09 06:21:24,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3237 states to 3237 states and 3426 transitions. [2024-11-09 06:21:24,235 INFO L78 Accepts]: Start accepts. Automaton has 3237 states and 3426 transitions. Word has length 1790 [2024-11-09 06:21:24,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:21:24,239 INFO L471 AbstractCegarLoop]: Abstraction has 3237 states and 3426 transitions. [2024-11-09 06:21:24,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 192 states, 191 states have (on average 15.795811518324607) internal successors, (3017), 192 states have internal predecessors, (3017), 188 states have call successors, (188), 1 states have call predecessors, (188), 1 states have return successors, (188), 188 states have call predecessors, (188), 188 states have call successors, (188) [2024-11-09 06:21:24,241 INFO L276 IsEmpty]: Start isEmpty. Operand 3237 states and 3426 transitions. [2024-11-09 06:21:24,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3615 [2024-11-09 06:21:24,366 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:21:24,367 INFO L215 NwaCegarLoop]: trace histogram [191, 191, 190, 190, 190, 190, 190, 190, 190, 190, 190, 190, 190, 190, 190, 190, 190, 190, 190, 1, 1] [2024-11-09 06:21:24,400 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-09 06:21:24,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:21:24,570 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-09 06:21:24,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:21:24,572 INFO L85 PathProgramCache]: Analyzing trace with hash 601381996, now seen corresponding path program 7 times [2024-11-09 06:21:24,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:21:24,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912879400] [2024-11-09 06:21:24,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:21:24,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:21:28,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:23:58,103 INFO L134 CoverageAnalysis]: Checked inductivity of 341715 backedges. 303350 proven. 2455 refuted. 0 times theorem prover too weak. 35910 trivial. 0 not checked. [2024-11-09 06:23:58,103 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:23:58,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912879400] [2024-11-09 06:23:58,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912879400] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:23:58,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [32672279] [2024-11-09 06:23:58,104 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-09 06:23:58,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:23:58,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:23:58,106 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:23:58,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-09 06:23:59,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:23:59,203 INFO L255 TraceCheckSpWp]: Trace formula consists of 5353 conjuncts, 103 conjuncts are in the unsatisfiable core [2024-11-09 06:23:59,253 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:24:27,473 INFO L134 CoverageAnalysis]: Checked inductivity of 341715 backedges. 256410 proven. 0 refuted. 0 times theorem prover too weak. 85305 trivial. 0 not checked. [2024-11-09 06:24:27,474 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 06:24:27,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [32672279] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:24:27,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 06:24:27,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [103] imperfect sequences [192] total 293 [2024-11-09 06:24:27,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367827231] [2024-11-09 06:24:27,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:24:27,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 103 states [2024-11-09 06:24:27,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:24:27,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2024-11-09 06:24:27,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28449, Invalid=57107, Unknown=0, NotChecked=0, Total=85556 [2024-11-09 06:24:27,492 INFO L87 Difference]: Start difference. First operand 3237 states and 3426 transitions. Second operand has 103 states, 103 states have (on average 15.825242718446601) internal successors, (1630), 103 states have internal predecessors, (1630), 102 states have call successors, (102), 2 states have call predecessors, (102), 2 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-09 06:24:31,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:24:31,753 INFO L93 Difference]: Finished difference Result 3239 states and 3427 transitions. [2024-11-09 06:24:31,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2024-11-09 06:24:31,754 INFO L78 Accepts]: Start accepts. Automaton has has 103 states, 103 states have (on average 15.825242718446601) internal successors, (1630), 103 states have internal predecessors, (1630), 102 states have call successors, (102), 2 states have call predecessors, (102), 2 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) Word has length 3614 [2024-11-09 06:24:31,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:24:31,760 INFO L225 Difference]: With dead ends: 3239 [2024-11-09 06:24:31,760 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 06:24:31,771 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3805 GetRequests, 3514 SyntacticMatches, 0 SemanticMatches, 291 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13938 ImplicationChecksByTransitivity, 38.8s TimeCoverageRelationStatistics Valid=28449, Invalid=57107, Unknown=0, NotChecked=0, Total=85556 [2024-11-09 06:24:31,772 INFO L432 NwaCegarLoop]: 1511 mSDtfsCounter, 0 mSDsluCounter, 8195 mSDsCounter, 0 mSdLazyCounter, 2594 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9706 SdHoareTripleChecker+Invalid, 2594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-09 06:24:31,773 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9706 Invalid, 2594 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2594 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-09 06:24:31,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 06:24:31,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 06:24:31,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:24:31,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 06:24:31,775 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 3614 [2024-11-09 06:24:31,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:24:31,775 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 06:24:31,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 103 states, 103 states have (on average 15.825242718446601) internal successors, (1630), 103 states have internal predecessors, (1630), 102 states have call successors, (102), 2 states have call predecessors, (102), 2 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-09 06:24:31,777 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 06:24:31,777 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 06:24:31,780 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 22 remaining) [2024-11-09 06:24:31,781 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 22 remaining) [2024-11-09 06:24:31,781 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 22 remaining) [2024-11-09 06:24:31,781 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 22 remaining) [2024-11-09 06:24:31,781 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 22 remaining) [2024-11-09 06:24:31,782 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 22 remaining) [2024-11-09 06:24:31,782 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 22 remaining) [2024-11-09 06:24:31,782 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 22 remaining) [2024-11-09 06:24:31,782 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 22 remaining) [2024-11-09 06:24:31,782 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 22 remaining) [2024-11-09 06:24:31,783 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 22 remaining) [2024-11-09 06:24:31,783 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 22 remaining) [2024-11-09 06:24:31,783 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 22 remaining) [2024-11-09 06:24:31,783 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 22 remaining) [2024-11-09 06:24:31,783 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 22 remaining) [2024-11-09 06:24:31,784 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 22 remaining) [2024-11-09 06:24:31,784 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 22 remaining) [2024-11-09 06:24:31,784 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 22 remaining) [2024-11-09 06:24:31,784 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 22 remaining) [2024-11-09 06:24:31,784 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 22 remaining) [2024-11-09 06:24:31,785 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 22 remaining) [2024-11-09 06:24:31,785 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 22 remaining) [2024-11-09 06:24:31,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-09 06:24:31,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:24:31,989 INFO L407 BasicCegarLoop]: Path program histogram: [7, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:24:31,992 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-09 06:24:41,774 WARN L286 SmtUtils]: Spent 7.23s on a formula simplification. DAG size of input: 570 DAG size of output: 560 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-09 06:24:48,298 WARN L286 SmtUtils]: Spent 6.51s on a formula simplification. DAG size of input: 562 DAG size of output: 560 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-11-09 06:24:48,425 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 06:24:48,477 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,482 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,486 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,487 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,488 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,489 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,496 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,500 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,501 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,502 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,503 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,507 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,508 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,509 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,509 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,514 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,515 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,516 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,517 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,517 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,522 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,523 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,523 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,524 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,525 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,525 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,529 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,529 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,530 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,531 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,535 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,536 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,536 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,537 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,537 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,538 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,538 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,542 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,543 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,543 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,544 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,544 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,545 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,545 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,546 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,546 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,547 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,547 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,548 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,549 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,549 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,550 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,550 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,551 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,551 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,552 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,552 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,553 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,553 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,554 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,554 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,555 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,555 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,555 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,556 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,556 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,557 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,557 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,558 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,558 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,558 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,559 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,560 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,561 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,564 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,564 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,565 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,565 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,565 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,566 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,566 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,566 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,566 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,567 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,571 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,571 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,572 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,572 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,572 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,572 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,573 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,573 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,573 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,573 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,573 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,574 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,574 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,574 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,574 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,574 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,575 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 06:24:48,578 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 06:24:48,578 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,579 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 06:24:48,579 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 06:24:48,579 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 06:24:48,579 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 06:24:48,579 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-09 06:24:48,580 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-09 06:24:48,580 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 06:24:48,580 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 06:24:48,580 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 06:24:48,580 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 06:24:48,581 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-09 06:24:48,581 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-11-09 06:24:48,581 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 06:24:48,581 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 06:24:48,581 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-09 06:24:48,582 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 06:24:48,582 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 06:24:48,582 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] [2024-11-09 06:24:48,628 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-09 06:24:48,629 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #StackHeapBarrier [2024-11-09 06:24:48,633 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 06:24:48 BoogieIcfgContainer [2024-11-09 06:24:48,633 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 06:24:48,634 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 06:24:48,634 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 06:24:48,634 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 06:24:48,635 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:13:01" (3/4) ... [2024-11-09 06:24:48,638 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 06:24:48,643 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-09 06:24:48,657 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-11-09 06:24:48,658 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-09 06:24:48,658 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 06:24:48,659 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 06:24:48,806 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 06:24:48,809 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/witness.yml [2024-11-09 06:24:48,809 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 06:24:48,810 INFO L158 Benchmark]: Toolchain (without parser) took 708642.54ms. Allocated memory was 121.6MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 60.3MB in the beginning and 498.9MB in the end (delta: -438.6MB). Peak memory consumption was 659.1MB. Max. memory is 16.1GB. [2024-11-09 06:24:48,810 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 121.6MB. Free memory is still 95.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:24:48,811 INFO L158 Benchmark]: CACSL2BoogieTranslator took 383.83ms. Allocated memory was 121.6MB in the beginning and 153.1MB in the end (delta: 31.5MB). Free memory was 60.1MB in the beginning and 113.5MB in the end (delta: -53.4MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2024-11-09 06:24:48,815 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.22ms. Allocated memory is still 153.1MB. Free memory was 113.5MB in the beginning and 111.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:24:48,816 INFO L158 Benchmark]: Boogie Preprocessor took 24.25ms. Allocated memory is still 153.1MB. Free memory was 111.6MB in the beginning and 110.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:24:48,816 INFO L158 Benchmark]: RCFGBuilder took 508.27ms. Allocated memory is still 153.1MB. Free memory was 110.2MB in the beginning and 94.7MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 06:24:48,816 INFO L158 Benchmark]: TraceAbstraction took 707502.48ms. Allocated memory was 153.1MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 93.5MB in the beginning and 511.5MB in the end (delta: -418.0MB). Peak memory consumption was 804.8MB. Max. memory is 16.1GB. [2024-11-09 06:24:48,816 INFO L158 Benchmark]: Witness Printer took 175.66ms. Allocated memory is still 1.2GB. Free memory was 511.5MB in the beginning and 498.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 06:24:48,818 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 121.6MB. Free memory is still 95.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 383.83ms. Allocated memory was 121.6MB in the beginning and 153.1MB in the end (delta: 31.5MB). Free memory was 60.1MB in the beginning and 113.5MB in the end (delta: -53.4MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.22ms. Allocated memory is still 153.1MB. Free memory was 113.5MB in the beginning and 111.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.25ms. Allocated memory is still 153.1MB. Free memory was 111.6MB in the beginning and 110.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 508.27ms. Allocated memory is still 153.1MB. Free memory was 110.2MB in the beginning and 94.7MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 707502.48ms. Allocated memory was 153.1MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 93.5MB in the beginning and 511.5MB in the end (delta: -418.0MB). Peak memory consumption was 804.8MB. Max. memory is 16.1GB. * Witness Printer took 175.66ms. Allocated memory is still 1.2GB. Free memory was 511.5MB in the beginning and 498.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IntegerLiteral[1]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #StackHeapBarrier * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 53 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 690.8s, OverallIterations: 20, TraceHistogramMax: 191, PathProgramHistogramMax: 7, EmptinessCheckTime: 0.3s, AutomataDifference: 230.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2489 SdHoareTripleChecker+Valid, 55.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2472 mSDsluCounter, 95103 SdHoareTripleChecker+Invalid, 45.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 91810 mSDsCounter, 261 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 136540 IncrementalHoareTripleChecker+Invalid, 136801 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 261 mSolverCounterUnsat, 3293 mSDtfsCounter, 136540 mSolverCounterSat, 0.8s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14449 GetRequests, 12729 SyntacticMatches, 724 SemanticMatches, 996 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 77257 ImplicationChecksByTransitivity, 424.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3237occurred in iteration=19, InterpolantAutomatonStates: 542, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 20 MinimizatonAttempts, 59 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 24.7s SatisfiabilityAnalysisTime, 243.0s InterpolantComputationTime, 14420 NumberOfCodeBlocks, 14382 NumberOfCodeBlocksAsserted, 84 NumberOfCheckSat, 14495 ConstructedInterpolants, 2 QuantifiedInterpolants, 74756 SizeOfPredicates, 6 NumberOfNonLiveVariables, 10728 ConjunctsInSsa, 497 ConjunctsInUnsatCore, 33 InterpolantComputations, 12 PerfectInterpolantSequences, 703914/900918 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: OVERALL_TIME: 1.0s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 27, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 81, TOOLS_POST_TIME: 0.5s, TOOLS_POST_CALL_APPLICATIONS: 11, TOOLS_POST_CALL_TIME: 0.2s, TOOLS_POST_RETURN_APPLICATIONS: 10, TOOLS_POST_RETURN_TIME: 0.1s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 102, TOOLS_QUANTIFIERELIM_TIME: 0.8s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.1s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 124, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 12, DOMAIN_JOIN_TIME: 0.1s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 27, DOMAIN_ISBOTTOM_TIME: 0.0s, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME: 0.7s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.7s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 10, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 675, DAG_COMPRESSION_RETAINED_NODES: 86, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 22 specifications checked. All of them hold - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((6 == y) && (6 <= x)) && (k <= 100)) && (6 <= c)) && (1 <= k)) && (x <= 4611686018427387903)) || ((((((y == 4) && (k <= 100)) && (1 <= k)) && (4 <= c)) && (x <= 4611686018427387903)) && (4 <= x))) || ((((((k <= 100) && (31 <= x)) && (31 <= c)) && (1 <= k)) && (31 == y)) && (x <= 4611686018427387903))) || ((((((12 <= c) && (y == 12)) && (k <= 100)) && (1 <= k)) && (12 <= x)) && (x <= 4611686018427387903))) || ((((((46 <= x) && (k <= 100)) && (46 <= c)) && (46 == y)) && (1 <= k)) && (x <= 4611686018427387903))) || (((((((1 <= y) && (k <= 100)) && (98 <= c)) && (y <= x)) && (1 <= k)) && ((((__int128) y * 182) + ((__int128) y * y)) <= 9223372036854767526)) && (x <= 4611686018427387903))) || ((((((2 <= x) && (2 <= c)) && (k <= 100)) && (2 == y)) && (1 <= k)) && (x <= 4611686018427387903))) || ((((((71 <= c) && (71 == y)) && (k <= 100)) && (71 <= x)) && (1 <= k)) && (x <= 4611686018427387903))) || ((((((k <= 100) && (34 <= c)) && (34 <= x)) && (1 <= k)) && (y == 34)) && (x <= 4611686018427387903))) || ((((((y == 58) && (k <= 100)) && (58 <= c)) && (58 <= x)) && (1 <= k)) && (x <= 4611686018427387903))) || ((((((k <= 100) && (y == 36)) && (36 <= x)) && (1 <= k)) && (36 <= c)) && (x <= 4611686018427387903))) || ((((((27 <= c) && (k <= 100)) && (y == 27)) && (27 <= x)) && (1 <= k)) && (x <= 4611686018427387903))) || ((((((k <= 100) && (93 <= c)) && (y == 93)) && (93 <= x)) && (1 <= k)) && (x <= 4611686018427387903))) || ((((((k <= 100) && (88 <= x)) && (1 <= k)) && (88 == y)) && (x <= 4611686018427387903)) && (88 <= c))) || ((((((k <= 100) && (1 <= k)) && (59 == y)) && (x <= 4611686018427387903)) && (59 <= c)) && (59 <= x))) || ((((((k <= 100) && (67 <= c)) && (67 <= x)) && (67 == y)) && (1 <= k)) && (x <= 4611686018427387903))) || ((((((81 <= x) && (k <= 100)) && (81 == y)) && (81 <= c)) && (1 <= k)) && (x <= 4611686018427387903))) || ((((((((((__int128) 178 * y) + ((__int128) y * y)) <= 9223372036854767886) && (1 <= y)) && (k <= 100)) && (100 <= c)) && (y <= x)) && (1 <= k)) && (x <= 4611686018427387903))) || ((((((k <= 100) && (42 <= x)) && (42 <= c)) && (42 == y)) && (1 <= k)) && (x <= 4611686018427387903))) || (((((k <= 100) && (1 <= c)) && (x == 1)) && (y == 1)) && (1 <= k))) || ((((((66 <= c) && (k <= 100)) && (66 == y)) && (1 <= k)) && (66 <= x)) && (x <= 4611686018427387903))) || ((((((80 <= x) && (k <= 100)) && (y == 80)) && (1 <= k)) && (x <= 4611686018427387903)) && (80 <= c))) || ((((((84 <= c) && (k <= 100)) && (84 == y)) && (84 <= x)) && (1 <= k)) && (x <= 4611686018427387903))) || ((((((k <= 100) && (53 <= c)) && (53 == y)) && (1 <= k)) && (x <= 4611686018427387903)) && (53 <= x))) || ((((((73 <= c) && (k <= 100)) && (y == 73)) && (1 <= k)) && (x <= 4611686018427387903)) && (73 <= x))) || (((((((1 <= y) && (k <= 100)) && (y <= x)) && (96 <= c)) && (1 <= k)) && (x <= 4611686018427387903)) && ((((__int128) y * 186) + ((__int128) y * y)) <= 9223372036854767158))) || ((((((37 <= x) && (k <= 100)) && (37 <= c)) && (1 <= k)) && (x <= 4611686018427387903)) && (y == 37))) || ((((((k <= 100) && (9 <= c)) && (1 <= k)) && (9 <= x)) && (9 == y)) && (x <= 4611686018427387903))) || ((((((k <= 100) && (20 <= x)) && (y == 20)) && (20 <= c)) && (1 <= k)) && (x <= 4611686018427387903))) || ((((((23 == y) && (23 <= x)) && (k <= 100)) && (23 <= c)) && (1 <= k)) && (x <= 4611686018427387903))) || ((((((62 == y) && (k <= 100)) && (62 <= c)) && (62 <= x)) && (1 <= k)) && (x <= 4611686018427387903))) || ((((((k <= 100) && (16 == y)) && (16 <= c)) && (1 <= k)) && (x <= 4611686018427387903)) && (16 <= x))) || ((((((70 <= x) && (k <= 100)) && (y == 70)) && (1 <= k)) && (70 <= c)) && (x <= 4611686018427387903))) || ((((((k <= 100) && (13 <= c)) && (1 <= k)) && (13 <= x)) && (x <= 4611686018427387903)) && (y == 13))) || ((((((5 <= x) && (5 == y)) && (k <= 100)) && (5 <= c)) && (1 <= k)) && (x <= 4611686018427387903))) || ((((((k <= 100) && (3 == y)) && (3 <= c)) && (1 <= k)) && (x <= 4611686018427387903)) && (3 <= x))) || ((((((k <= 100) && (17 <= x)) && (y == 17)) && (17 <= c)) && (1 <= k)) && (x <= 4611686018427387903))) || ((((((11 <= c) && (k <= 100)) && (y == 11)) && (11 <= x)) && (1 <= k)) && (x <= 4611686018427387903))) || ((((((k <= 100) && (49 <= x)) && (1 <= k)) && (x <= 4611686018427387903)) && (49 == y)) && (49 <= c))) || ((((((33 <= c) && (y == 33)) && (k <= 100)) && (33 <= x)) && (1 <= k)) && (x <= 4611686018427387903))) || ((((((8 <= x) && (k <= 100)) && (y == 8)) && (1 <= k)) && (x <= 4611686018427387903)) && (8 <= c))) || ((((((24 <= x) && (k <= 100)) && (24 <= c)) && (y == 24)) && (1 <= k)) && (x <= 4611686018427387903))) || ((((((k <= 100) && (54 <= x)) && (1 <= k)) && (54 <= c)) && (x <= 4611686018427387903)) && (y == 54))) || ((((((k <= 100) && (56 <= x)) && (56 == y)) && (1 <= k)) && (56 <= c)) && (x <= 4611686018427387903))) || ((((((k <= 100) && (18 <= c)) && (y == 18)) && (1 <= k)) && (x <= 4611686018427387903)) && (18 <= x))) || ((((((k <= 100) && (38 <= c)) && (38 <= x)) && (y == 38)) && (1 <= k)) && (x <= 4611686018427387903))) || (((((((1 <= y) && (k <= 100)) && (95 <= c)) && (y <= x)) && (1 <= k)) && (x <= 4611686018427387903)) && ((((__int128) y * 188) + ((__int128) y * y)) <= 9223372036854766971))) || (((((((1 <= y) && (k <= 100)) && (99 <= c)) && (y <= x)) && (1 <= k)) && (x <= 4611686018427387903)) && ((((__int128) y * 180) + ((__int128) y * y)) <= 9223372036854767707))) || ((((((64 <= c) && (k <= 100)) && (64 <= x)) && (64 == y)) && (1 <= k)) && (x <= 4611686018427387903))) || ((((((39 <= x) && (k <= 100)) && (39 <= c)) && (y == 39)) && (1 <= k)) && (x <= 4611686018427387903))) || ((((((k <= 100) && (74 <= x)) && (74 <= c)) && (y == 74)) && (1 <= k)) && (x <= 4611686018427387903))) || ((((((k <= 100) && (41 == y)) && (1 <= k)) && (x <= 4611686018427387903)) && (41 <= c)) && (41 <= x))) || (((((((1 <= y) && (k <= 100)) && (97 <= c)) && (y <= x)) && ((((__int128) 184 * y) + ((__int128) y * y)) <= 9223372036854767343)) && (1 <= k)) && (x <= 4611686018427387903))) || ((((((k <= 100) && (40 == y)) && (40 <= x)) && (40 <= c)) && (1 <= k)) && (x <= 4611686018427387903))) || ((((((47 == y) && (k <= 100)) && (47 <= x)) && (1 <= k)) && (47 <= c)) && (x <= 4611686018427387903))) || ((((((77 == y) && (k <= 100)) && (77 <= c)) && (1 <= k)) && (x <= 4611686018427387903)) && (77 <= x))) || ((((((k <= 100) && (14 == y)) && (14 <= c)) && (1 <= k)) && (14 <= x)) && (x <= 4611686018427387903))) || ((((((k <= 100) && (65 <= c)) && (65 <= x)) && (y == 65)) && (1 <= k)) && (x <= 4611686018427387903))) || ((((((k <= 100) && (60 <= x)) && (60 <= c)) && (1 <= k)) && (x <= 4611686018427387903)) && (y == 60))) || ((((((k <= 100) && (15 <= x)) && (1 <= k)) && (15 <= c)) && (x <= 4611686018427387903)) && (y == 15))) || ((((((y == 75) && (k <= 100)) && (75 <= x)) && (1 <= k)) && (x <= 4611686018427387903)) && (75 <= c))) || ((((((k <= 100) && (78 <= x)) && (1 <= k)) && (78 <= c)) && (y == 78)) && (x <= 4611686018427387903))) || ((((((35 == y) && (k <= 100)) && (35 <= c)) && (1 <= k)) && (x <= 4611686018427387903)) && (35 <= x))) || ((((((26 <= c) && (k <= 100)) && (y == 26)) && (26 <= x)) && (1 <= k)) && (x <= 4611686018427387903))) || ((((((21 <= x) && (k <= 100)) && (21 == y)) && (1 <= k)) && (x <= 4611686018427387903)) && (21 <= c))) || ((((((y == 83) && (k <= 100)) && (83 <= c)) && (83 <= x)) && (1 <= k)) && (x <= 4611686018427387903))) || ((((((k <= 100) && (89 == y)) && (89 <= x)) && (1 <= k)) && (x <= 4611686018427387903)) && (89 <= c))) || ((((((k <= 100) && (y == 61)) && (61 <= x)) && (1 <= k)) && (61 <= c)) && (x <= 4611686018427387903))) || ((((((y == 85) && (85 <= c)) && (k <= 100)) && (85 <= x)) && (1 <= k)) && (x <= 4611686018427387903))) || ((((((y == 48) && (k <= 100)) && (48 <= x)) && (1 <= k)) && (x <= 4611686018427387903)) && (48 <= c))) || ((((((63 <= c) && (k <= 100)) && (63 <= x)) && (1 <= k)) && (y == 63)) && (x <= 4611686018427387903))) || ((((((k <= 100) && (28 <= c)) && (28 <= x)) && (y == 28)) && (1 <= k)) && (x <= 4611686018427387903))) || ((((((k <= 100) && (1 <= k)) && (30 == y)) && (30 <= c)) && (x <= 4611686018427387903)) && (30 <= x))) || ((((((82 <= x) && (82 <= c)) && (k <= 100)) && (82 == y)) && (1 <= k)) && (x <= 4611686018427387903))) || ((((((k <= 100) && (90 <= x)) && (90 <= c)) && (y == 90)) && (1 <= k)) && (x <= 4611686018427387903))) || ((((((92 <= x) && (92 == y)) && (k <= 100)) && (92 <= c)) && (1 <= k)) && (x <= 4611686018427387903))) || ((((((22 == y) && (k <= 100)) && (1 <= k)) && (22 <= x)) && (x <= 4611686018427387903)) && (22 <= c))) || ((((((k <= 100) && (91 <= x)) && (1 <= k)) && (91 == y)) && (x <= 4611686018427387903)) && (91 <= c))) || ((((((51 <= c) && (k <= 100)) && (51 == y)) && (51 <= x)) && (1 <= k)) && (x <= 4611686018427387903))) || ((((((79 <= c) && (k <= 100)) && (1 <= k)) && (x <= 4611686018427387903)) && (y == 79)) && (79 <= x))) || ((((((69 <= x) && (k <= 100)) && (69 == y)) && (69 <= c)) && (1 <= k)) && (x <= 4611686018427387903))) || ((((((k <= 100) && (52 <= c)) && (52 <= x)) && (52 == y)) && (1 <= k)) && (x <= 4611686018427387903))) || ((((((32 == y) && (k <= 100)) && (1 <= k)) && (32 <= x)) && (x <= 4611686018427387903)) && (32 <= c))) || ((((((k <= 100) && (44 == y)) && (1 <= k)) && (44 <= x)) && (44 <= c)) && (x <= 4611686018427387903))) || ((((((y == 55) && (k <= 100)) && (55 <= c)) && (55 <= x)) && (1 <= k)) && (x <= 4611686018427387903))) || ((((((10 <= c) && (k <= 100)) && (y == 10)) && (1 <= k)) && (x <= 4611686018427387903)) && (10 <= x))) || ((((((68 == y) && (68 <= x)) && (k <= 100)) && (68 <= c)) && (1 <= k)) && (x <= 4611686018427387903))) || ((((((k <= 100) && (76 <= x)) && (1 <= k)) && (x <= 4611686018427387903)) && (76 == y)) && (76 <= c))) || ((((((57 <= x) && (57 <= c)) && (k <= 100)) && (57 == y)) && (1 <= k)) && (x <= 4611686018427387903))) || ((((((50 <= x) && (k <= 100)) && (y == 50)) && (1 <= k)) && (x <= 4611686018427387903)) && (50 <= c))) || ((((((k <= 100) && (29 <= c)) && (29 <= x)) && (1 <= k)) && (29 == y)) && (x <= 4611686018427387903))) || ((((((k <= 100) && (y == 86)) && (1 <= k)) && (86 <= x)) && (x <= 4611686018427387903)) && (86 <= c))) || ((((((72 == y) && (k <= 100)) && (72 <= x)) && (1 <= k)) && (72 <= c)) && (x <= 4611686018427387903))) || ((((((k <= 100) && (y == 43)) && (43 <= x)) && (43 <= c)) && (1 <= k)) && (x <= 4611686018427387903))) || ((((((k <= 100) && (7 <= x)) && (7 == y)) && (7 <= c)) && (1 <= k)) && (x <= 4611686018427387903))) || ((((((k <= 100) && (25 <= c)) && (25 <= x)) && (1 <= k)) && (x <= 4611686018427387903)) && (y == 25))) || ((((((19 <= x) && (19 <= c)) && (k <= 100)) && (1 <= k)) && (19 == y)) && (x <= 4611686018427387903))) || ((((((45 <= c) && (k <= 100)) && (y == 45)) && (1 <= k)) && (45 <= x)) && (x <= 4611686018427387903))) || ((((((k <= 100) && (87 <= c)) && (87 <= x)) && (1 <= k)) && (x <= 4611686018427387903)) && (87 == y))) || ((((((94 == y) && (94 <= c)) && (k <= 100)) && (94 <= x)) && (1 <= k)) && (x <= 4611686018427387903))) || (((((0 <= k) && (c == 0)) && (k <= 100)) && (y == 0)) && (x == 0))) RESULT: Ultimate proved your program to be correct! [2024-11-09 06:24:49,057 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2024-11-09 06:24:49,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9c58ed-7508-466a-9a6c-f796a7be9e0f/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE