./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa335a04-b8b8-4c12-8b94-3576ee3921d8/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa335a04-b8b8-4c12-8b94-3576ee3921d8/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_aa335a04-b8b8-4c12-8b94-3576ee3921d8/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa335a04-b8b8-4c12-8b94-3576ee3921d8/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa335a04-b8b8-4c12-8b94-3576ee3921d8/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_aa335a04-b8b8-4c12-8b94-3576ee3921d8/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 1870b8451d4735c7264ac4337bbb2c1eeecb277125949d2d6e57edbf68a24fac --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:36:30,026 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:36:30,138 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa335a04-b8b8-4c12-8b94-3576ee3921d8/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-32bit-Taipan_Default.epf [2024-11-09 05:36:30,142 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:36:30,143 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:36:30,185 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:36:30,187 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:36:30,188 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:36:30,189 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:36:30,191 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:36:30,191 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:36:30,192 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:36:30,193 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:36:30,194 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:36:30,196 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:36:30,197 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:36:30,197 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:36:30,198 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:36:30,198 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:36:30,198 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:36:30,199 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:36:30,203 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:36:30,204 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:36:30,204 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:36:30,204 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:36:30,205 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:36:30,205 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:36:30,205 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:36:30,206 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:36:30,206 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:36:30,206 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:36:30,209 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:36:30,210 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 05:36:30,210 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 05:36:30,211 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:36:30,211 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:36:30,212 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:36:30,212 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:36:30,212 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:36:30,213 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:36:30,213 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:36:30,213 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:36:30,214 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:36:30,214 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:36:30,214 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:36:30,214 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:36:30,215 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:36:30,215 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:36:30,216 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:36:30,216 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_aa335a04-b8b8-4c12-8b94-3576ee3921d8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa335a04-b8b8-4c12-8b94-3576ee3921d8/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1870b8451d4735c7264ac4337bbb2c1eeecb277125949d2d6e57edbf68a24fac [2024-11-09 05:36:30,615 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:36:30,655 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:36:30,659 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:36:30,661 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:36:30,662 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:36:30,663 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa335a04-b8b8-4c12-8b94-3576ee3921d8/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound1.c Unable to find full path for "g++" [2024-11-09 05:36:33,100 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:36:33,431 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:36:33,432 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa335a04-b8b8-4c12-8b94-3576ee3921d8/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound1.c [2024-11-09 05:36:33,442 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa335a04-b8b8-4c12-8b94-3576ee3921d8/bin/utaipan-verify-YMUCfTKeje/data/2d3fc295a/12679ad48f394460aaa2ee6a13a5c091/FLAGb35b2ad7f [2024-11-09 05:36:33,460 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa335a04-b8b8-4c12-8b94-3576ee3921d8/bin/utaipan-verify-YMUCfTKeje/data/2d3fc295a/12679ad48f394460aaa2ee6a13a5c091 [2024-11-09 05:36:33,463 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:36:33,464 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:36:33,466 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:36:33,467 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:36:33,475 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:36:33,476 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:36:33" (1/1) ... [2024-11-09 05:36:33,480 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c9048c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:36:33, skipping insertion in model container [2024-11-09 05:36:33,480 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:36:33" (1/1) ... [2024-11-09 05:36:33,517 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:36:33,765 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:36:33,778 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:36:33,806 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:36:33,825 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:36:33,826 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:36:33 WrapperNode [2024-11-09 05:36:33,826 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:36:33,827 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:36:33,827 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:36:33,828 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:36:33,837 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:36:33" (1/1) ... [2024-11-09 05:36:33,848 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:36:33" (1/1) ... [2024-11-09 05:36:33,880 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 99 [2024-11-09 05:36:33,881 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:36:33,882 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:36:33,883 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:36:33,883 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:36:33,896 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:36:33" (1/1) ... [2024-11-09 05:36:33,897 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:36:33" (1/1) ... [2024-11-09 05:36:33,900 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:36:33" (1/1) ... [2024-11-09 05:36:33,900 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:36:33" (1/1) ... [2024-11-09 05:36:33,904 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:36:33" (1/1) ... [2024-11-09 05:36:33,909 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:36:33" (1/1) ... [2024-11-09 05:36:33,910 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:36:33" (1/1) ... [2024-11-09 05:36:33,912 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:36:33" (1/1) ... [2024-11-09 05:36:33,914 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:36:33,916 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:36:33,916 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:36:33,916 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:36:33,918 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:36:33" (1/1) ... [2024-11-09 05:36:33,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:36:33,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa335a04-b8b8-4c12-8b94-3576ee3921d8/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:36:33,969 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa335a04-b8b8-4c12-8b94-3576ee3921d8/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:36:33,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa335a04-b8b8-4c12-8b94-3576ee3921d8/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:36:34,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:36:34,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:36:34,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:36:34,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:36:34,021 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 05:36:34,024 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 05:36:34,125 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:36:34,130 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:36:34,782 INFO L? ?]: Removed 67 outVars from TransFormulas that were not future-live. [2024-11-09 05:36:34,787 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:36:34,839 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:36:34,839 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:36:34,840 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:36:34 BoogieIcfgContainer [2024-11-09 05:36:34,840 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:36:34,843 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:36:34,843 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:36:34,851 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:36:34,852 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:36:33" (1/3) ... [2024-11-09 05:36:34,853 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71dd08c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:36:34, skipping insertion in model container [2024-11-09 05:36:34,855 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:36:33" (2/3) ... [2024-11-09 05:36:34,855 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71dd08c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:36:34, skipping insertion in model container [2024-11-09 05:36:34,856 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:36:34" (3/3) ... [2024-11-09 05:36:34,857 INFO L112 eAbstractionObserver]: Analyzing ICFG sqrt1-ll_unwindbound1.c [2024-11-09 05:36:34,884 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:36:34,884 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 52 error locations. [2024-11-09 05:36:34,978 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:36:34,987 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;@66f15660, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:36:34,987 INFO L334 AbstractCegarLoop]: Starting to check reachability of 52 error locations. [2024-11-09 05:36:34,992 INFO L276 IsEmpty]: Start isEmpty. Operand has 118 states, 58 states have (on average 1.9482758620689655) internal successors, (113), 110 states have internal predecessors, (113), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-09 05:36:34,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-09 05:36:35,000 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:36:35,001 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-09 05:36:35,002 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 05:36:35,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:36:35,009 INFO L85 PathProgramCache]: Analyzing trace with hash 186145, now seen corresponding path program 1 times [2024-11-09 05:36:35,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:36:35,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004333449] [2024-11-09 05:36:35,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:36:35,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:36:35,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:36:35,238 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 05:36:35,239 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:36:35,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004333449] [2024-11-09 05:36:35,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004333449] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:36:35,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:36:35,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:36:35,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66016459] [2024-11-09 05:36:35,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:36:35,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 05:36:35,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:36:35,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 05:36:35,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:36:35,281 INFO L87 Difference]: Start difference. First operand has 118 states, 58 states have (on average 1.9482758620689655) internal successors, (113), 110 states have internal predecessors, (113), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 1.5) 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 05:36:35,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:36:35,327 INFO L93 Difference]: Finished difference Result 167 states and 177 transitions. [2024-11-09 05:36:35,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 05:36:35,334 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 1.5) 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 05:36:35,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:36:35,345 INFO L225 Difference]: With dead ends: 167 [2024-11-09 05:36:35,345 INFO L226 Difference]: Without dead ends: 111 [2024-11-09 05:36:35,348 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 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 05:36:35,352 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:36:35,354 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 117 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:36:35,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-09 05:36:35,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2024-11-09 05:36:35,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 57 states have (on average 1.8596491228070176) internal successors, (106), 104 states have internal predecessors, (106), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 05:36:35,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 116 transitions. [2024-11-09 05:36:35,449 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 116 transitions. Word has length 3 [2024-11-09 05:36:35,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:36:35,450 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 116 transitions. [2024-11-09 05:36:35,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1.5) 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 05:36:35,451 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 116 transitions. [2024-11-09 05:36:35,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-09 05:36:35,452 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:36:35,452 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-09 05:36:35,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:36:35,453 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 05:36:35,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:36:35,454 INFO L85 PathProgramCache]: Analyzing trace with hash 183744, now seen corresponding path program 1 times [2024-11-09 05:36:35,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:36:35,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422525332] [2024-11-09 05:36:35,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:36:35,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:36:35,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:36:35,595 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 05:36:35,596 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:36:35,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422525332] [2024-11-09 05:36:35,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422525332] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:36:35,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:36:35,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:36:35,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476279755] [2024-11-09 05:36:35,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:36:35,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:36:35,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:36:35,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:36:35,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:36:35,602 INFO L87 Difference]: Start difference. First operand 111 states and 116 transitions. Second operand has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 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 05:36:35,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:36:35,726 INFO L93 Difference]: Finished difference Result 163 states and 169 transitions. [2024-11-09 05:36:35,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 05:36:35,727 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 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 05:36:35,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:36:35,729 INFO L225 Difference]: With dead ends: 163 [2024-11-09 05:36:35,729 INFO L226 Difference]: Without dead ends: 115 [2024-11-09 05:36:35,734 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:36:35,736 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 4 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:36:35,737 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 328 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:36:35,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-11-09 05:36:35,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2024-11-09 05:36:35,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 61 states have (on average 1.8032786885245902) internal successors, (110), 108 states have internal predecessors, (110), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 05:36:35,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 120 transitions. [2024-11-09 05:36:35,769 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 120 transitions. Word has length 3 [2024-11-09 05:36:35,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:36:35,769 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 120 transitions. [2024-11-09 05:36:35,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 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 05:36:35,770 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 120 transitions. [2024-11-09 05:36:35,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 05:36:35,771 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:36:35,771 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-09 05:36:35,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 05:36:35,773 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 05:36:35,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:36:35,774 INFO L85 PathProgramCache]: Analyzing trace with hash 1178990090, now seen corresponding path program 1 times [2024-11-09 05:36:35,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:36:35,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113039859] [2024-11-09 05:36:35,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:36:35,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:36:35,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:36:35,878 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 05:36:35,878 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:36:35,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113039859] [2024-11-09 05:36:35,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113039859] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:36:35,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:36:35,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-09 05:36:35,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399133812] [2024-11-09 05:36:35,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:36:35,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:36:35,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:36:35,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:36:35,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:36:35,885 INFO L87 Difference]: Start difference. First operand 115 states and 120 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 05:36:36,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:36:36,185 INFO L93 Difference]: Finished difference Result 209 states and 219 transitions. [2024-11-09 05:36:36,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:36:36,189 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2024-11-09 05:36:36,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:36:36,194 INFO L225 Difference]: With dead ends: 209 [2024-11-09 05:36:36,194 INFO L226 Difference]: Without dead ends: 189 [2024-11-09 05:36:36,197 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 05:36:36,199 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 68 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:36:36,203 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 164 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 05:36:36,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2024-11-09 05:36:36,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 154. [2024-11-09 05:36:36,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 96 states have (on average 1.6354166666666667) internal successors, (157), 143 states have internal predecessors, (157), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 05:36:36,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 175 transitions. [2024-11-09 05:36:36,234 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 175 transitions. Word has length 6 [2024-11-09 05:36:36,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:36:36,235 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 175 transitions. [2024-11-09 05:36:36,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 05:36:36,236 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 175 transitions. [2024-11-09 05:36:36,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 05:36:36,237 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:36:36,237 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:36:36,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 05:36:36,238 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 05:36:36,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:36:36,240 INFO L85 PathProgramCache]: Analyzing trace with hash 336012265, now seen corresponding path program 1 times [2024-11-09 05:36:36,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:36:36,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746945307] [2024-11-09 05:36:36,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:36:36,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:36:36,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 05:36:36,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1385680878] [2024-11-09 05:36:36,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:36:36,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:36:36,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa335a04-b8b8-4c12-8b94-3576ee3921d8/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:36:36,307 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa335a04-b8b8-4c12-8b94-3576ee3921d8/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:36:36,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa335a04-b8b8-4c12-8b94-3576ee3921d8/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 05:36:36,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:36:36,400 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 05:36:36,407 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:36:36,496 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 05:36:36,497 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:36:36,497 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:36:36,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746945307] [2024-11-09 05:36:36,503 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 05:36:36,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1385680878] [2024-11-09 05:36:36,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1385680878] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:36:36,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:36:36,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:36:36,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727702197] [2024-11-09 05:36:36,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:36:36,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:36:36,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:36:36,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:36:36,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:36:36,516 INFO L87 Difference]: Start difference. First operand 154 states and 175 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 05:36:36,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:36:36,723 INFO L93 Difference]: Finished difference Result 181 states and 203 transitions. [2024-11-09 05:36:36,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:36:36,723 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2024-11-09 05:36:36,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:36:36,725 INFO L225 Difference]: With dead ends: 181 [2024-11-09 05:36:36,726 INFO L226 Difference]: Without dead ends: 173 [2024-11-09 05:36:36,726 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 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 05:36:36,728 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 41 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:36:36,728 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 170 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:36:36,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2024-11-09 05:36:36,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 165. [2024-11-09 05:36:36,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 106 states have (on average 1.5849056603773586) internal successors, (168), 153 states have internal predecessors, (168), 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 05:36:36,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 188 transitions. [2024-11-09 05:36:36,748 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 188 transitions. Word has length 23 [2024-11-09 05:36:36,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:36:36,749 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 188 transitions. [2024-11-09 05:36:36,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 05:36:36,749 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 188 transitions. [2024-11-09 05:36:36,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-09 05:36:36,750 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:36:36,750 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:36:36,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa335a04-b8b8-4c12-8b94-3576ee3921d8/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 05:36:36,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa335a04-b8b8-4c12-8b94-3576ee3921d8/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:36:36,952 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 05:36:36,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:36:36,952 INFO L85 PathProgramCache]: Analyzing trace with hash 1826445696, now seen corresponding path program 1 times [2024-11-09 05:36:36,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:36:36,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495040979] [2024-11-09 05:36:36,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:36:36,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:36:36,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:36:37,110 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 05:36:37,110 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:36:37,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495040979] [2024-11-09 05:36:37,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495040979] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:36:37,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:36:37,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:36:37,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089672699] [2024-11-09 05:36:37,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:36:37,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:36:37,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:36:37,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:36:37,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:36:37,117 INFO L87 Difference]: Start difference. First operand 165 states and 188 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 05:36:37,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:36:37,332 INFO L93 Difference]: Finished difference Result 181 states and 199 transitions. [2024-11-09 05:36:37,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:36:37,333 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 24 [2024-11-09 05:36:37,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:36:37,334 INFO L225 Difference]: With dead ends: 181 [2024-11-09 05:36:37,335 INFO L226 Difference]: Without dead ends: 171 [2024-11-09 05:36:37,337 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 05:36:37,338 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 38 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:36:37,338 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 179 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:36:37,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2024-11-09 05:36:37,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 168. [2024-11-09 05:36:37,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 109 states have (on average 1.5045871559633028) internal successors, (164), 156 states have internal predecessors, (164), 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 05:36:37,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 184 transitions. [2024-11-09 05:36:37,368 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 184 transitions. Word has length 24 [2024-11-09 05:36:37,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:36:37,369 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 184 transitions. [2024-11-09 05:36:37,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 05:36:37,369 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 184 transitions. [2024-11-09 05:36:37,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-09 05:36:37,371 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:36:37,375 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:36:37,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 05:36:37,375 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 05:36:37,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:36:37,376 INFO L85 PathProgramCache]: Analyzing trace with hash -1296868947, now seen corresponding path program 1 times [2024-11-09 05:36:37,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:36:37,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306621041] [2024-11-09 05:36:37,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:36:37,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:36:37,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:36:37,507 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 05:36:37,508 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:36:37,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306621041] [2024-11-09 05:36:37,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306621041] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:36:37,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:36:37,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:36:37,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298358125] [2024-11-09 05:36:37,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:36:37,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:36:37,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:36:37,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:36:37,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:36:37,512 INFO L87 Difference]: Start difference. First operand 168 states and 184 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 05:36:37,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:36:37,786 INFO L93 Difference]: Finished difference Result 173 states and 189 transitions. [2024-11-09 05:36:37,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:36:37,788 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 27 [2024-11-09 05:36:37,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:36:37,789 INFO L225 Difference]: With dead ends: 173 [2024-11-09 05:36:37,789 INFO L226 Difference]: Without dead ends: 171 [2024-11-09 05:36:37,790 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 05:36:37,794 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 50 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:36:37,795 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 215 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:36:37,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2024-11-09 05:36:37,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 168. [2024-11-09 05:36:37,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 109 states have (on average 1.4862385321100917) internal successors, (162), 156 states have internal predecessors, (162), 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 05:36:37,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 182 transitions. [2024-11-09 05:36:37,847 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 182 transitions. Word has length 27 [2024-11-09 05:36:37,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:36:37,848 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 182 transitions. [2024-11-09 05:36:37,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 05:36:37,848 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 182 transitions. [2024-11-09 05:36:37,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 05:36:37,849 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:36:37,849 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:36:37,849 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 05:36:37,857 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 05:36:37,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:36:37,858 INFO L85 PathProgramCache]: Analyzing trace with hash 285921137, now seen corresponding path program 1 times [2024-11-09 05:36:37,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:36:37,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827271219] [2024-11-09 05:36:37,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:36:37,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:36:37,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:36:38,047 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 05:36:38,047 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:36:38,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827271219] [2024-11-09 05:36:38,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827271219] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:36:38,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:36:38,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:36:38,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243423329] [2024-11-09 05:36:38,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:36:38,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:36:38,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:36:38,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:36:38,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:36:38,051 INFO L87 Difference]: Start difference. First operand 168 states and 182 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 05:36:38,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:36:38,244 INFO L93 Difference]: Finished difference Result 173 states and 183 transitions. [2024-11-09 05:36:38,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:36:38,245 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 31 [2024-11-09 05:36:38,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:36:38,247 INFO L225 Difference]: With dead ends: 173 [2024-11-09 05:36:38,247 INFO L226 Difference]: Without dead ends: 145 [2024-11-09 05:36:38,248 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 05:36:38,249 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 29 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:36:38,252 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 146 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:36:38,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2024-11-09 05:36:38,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2024-11-09 05:36:38,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 88 states have (on average 1.5568181818181819) internal successors, (137), 135 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 05:36:38,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 153 transitions. [2024-11-09 05:36:38,276 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 153 transitions. Word has length 31 [2024-11-09 05:36:38,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:36:38,276 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 153 transitions. [2024-11-09 05:36:38,276 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 05:36:38,277 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 153 transitions. [2024-11-09 05:36:38,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-09 05:36:38,278 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:36:38,278 INFO L215 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:36:38,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 05:36:38,278 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 05:36:38,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:36:38,279 INFO L85 PathProgramCache]: Analyzing trace with hash -620171527, now seen corresponding path program 1 times [2024-11-09 05:36:38,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:36:38,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614547498] [2024-11-09 05:36:38,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:36:38,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:36:38,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:36:38,466 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 05:36:38,467 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:36:38,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614547498] [2024-11-09 05:36:38,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614547498] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:36:38,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:36:38,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:36:38,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670050991] [2024-11-09 05:36:38,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:36:38,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:36:38,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:36:38,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:36:38,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:36:38,471 INFO L87 Difference]: Start difference. First operand 145 states and 153 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 05:36:38,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:36:38,692 INFO L93 Difference]: Finished difference Result 148 states and 157 transitions. [2024-11-09 05:36:38,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:36:38,693 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 42 [2024-11-09 05:36:38,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:36:38,697 INFO L225 Difference]: With dead ends: 148 [2024-11-09 05:36:38,698 INFO L226 Difference]: Without dead ends: 147 [2024-11-09 05:36:38,698 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 05:36:38,699 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 1 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:36:38,700 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 211 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:36:38,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2024-11-09 05:36:38,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 146. [2024-11-09 05:36:38,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 89 states have (on average 1.550561797752809) internal successors, (138), 136 states have internal predecessors, (138), 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 05:36:38,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 154 transitions. [2024-11-09 05:36:38,710 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 154 transitions. Word has length 42 [2024-11-09 05:36:38,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:36:38,711 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 154 transitions. [2024-11-09 05:36:38,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 05:36:38,712 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 154 transitions. [2024-11-09 05:36:38,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-09 05:36:38,713 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:36:38,713 INFO L215 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:36:38,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 05:36:38,714 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 05:36:38,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:36:38,715 INFO L85 PathProgramCache]: Analyzing trace with hash -2045448044, now seen corresponding path program 1 times [2024-11-09 05:36:38,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:36:38,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760093738] [2024-11-09 05:36:38,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:36:38,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:36:38,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:36:38,907 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 05:36:38,909 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:36:38,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760093738] [2024-11-09 05:36:38,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760093738] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:36:38,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:36:38,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:36:38,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154224027] [2024-11-09 05:36:38,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:36:38,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:36:38,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:36:38,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:36:38,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:36:38,916 INFO L87 Difference]: Start difference. First operand 146 states and 154 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 05:36:39,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:36:39,068 INFO L93 Difference]: Finished difference Result 148 states and 156 transitions. [2024-11-09 05:36:39,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:36:39,069 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 43 [2024-11-09 05:36:39,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:36:39,070 INFO L225 Difference]: With dead ends: 148 [2024-11-09 05:36:39,070 INFO L226 Difference]: Without dead ends: 147 [2024-11-09 05:36:39,071 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 05:36:39,072 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 0 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:36:39,072 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 156 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:36:39,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2024-11-09 05:36:39,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2024-11-09 05:36:39,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 90 states have (on average 1.5444444444444445) internal successors, (139), 137 states have internal predecessors, (139), 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 05:36:39,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 155 transitions. [2024-11-09 05:36:39,089 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 155 transitions. Word has length 43 [2024-11-09 05:36:39,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:36:39,089 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 155 transitions. [2024-11-09 05:36:39,089 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 05:36:39,090 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 155 transitions. [2024-11-09 05:36:39,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-09 05:36:39,091 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:36:39,091 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:36:39,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 05:36:39,092 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 05:36:39,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:36:39,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1419452438, now seen corresponding path program 1 times [2024-11-09 05:36:39,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:36:39,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199960619] [2024-11-09 05:36:39,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:36:39,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:36:39,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:36:39,338 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 05:36:39,339 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:36:39,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199960619] [2024-11-09 05:36:39,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199960619] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:36:39,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [116749921] [2024-11-09 05:36:39,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:36:39,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:36:39,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa335a04-b8b8-4c12-8b94-3576ee3921d8/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:36:39,343 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa335a04-b8b8-4c12-8b94-3576ee3921d8/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:36:39,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa335a04-b8b8-4c12-8b94-3576ee3921d8/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 05:36:39,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:36:39,418 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 05:36:39,421 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:36:39,620 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 05:36:39,620 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:36:39,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [116749921] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:36:39,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 05:36:39,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-09 05:36:39,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764582730] [2024-11-09 05:36:39,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:36:39,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:36:39,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:36:39,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:36:39,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-09 05:36:39,623 INFO L87 Difference]: Start difference. First operand 147 states and 155 transitions. Second operand has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 05:36:39,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:36:39,672 INFO L93 Difference]: Finished difference Result 147 states and 155 transitions. [2024-11-09 05:36:39,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:36:39,673 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 45 [2024-11-09 05:36:39,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:36:39,677 INFO L225 Difference]: With dead ends: 147 [2024-11-09 05:36:39,677 INFO L226 Difference]: Without dead ends: 146 [2024-11-09 05:36:39,678 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-09 05:36:39,680 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 79 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:36:39,681 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 214 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:36:39,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2024-11-09 05:36:39,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2024-11-09 05:36:39,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 90 states have (on average 1.5333333333333334) internal successors, (138), 136 states have internal predecessors, (138), 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 05:36:39,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 154 transitions. [2024-11-09 05:36:39,693 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 154 transitions. Word has length 45 [2024-11-09 05:36:39,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:36:39,694 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 154 transitions. [2024-11-09 05:36:39,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 05:36:39,694 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 154 transitions. [2024-11-09 05:36:39,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-09 05:36:39,698 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:36:39,698 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:36:39,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa335a04-b8b8-4c12-8b94-3576ee3921d8/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 05:36:39,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa335a04-b8b8-4c12-8b94-3576ee3921d8/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:36:39,902 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 05:36:39,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:36:39,903 INFO L85 PathProgramCache]: Analyzing trace with hash 1053352658, now seen corresponding path program 1 times [2024-11-09 05:36:39,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:36:39,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102357250] [2024-11-09 05:36:39,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:36:39,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:36:39,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:36:40,094 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 05:36:40,094 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:36:40,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102357250] [2024-11-09 05:36:40,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102357250] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:36:40,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [581742306] [2024-11-09 05:36:40,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:36:40,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:36:40,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa335a04-b8b8-4c12-8b94-3576ee3921d8/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:36:40,096 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa335a04-b8b8-4c12-8b94-3576ee3921d8/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:36:40,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa335a04-b8b8-4c12-8b94-3576ee3921d8/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 05:36:40,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:36:40,158 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 05:36:40,159 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:36:40,292 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 05:36:40,292 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:36:40,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [581742306] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:36:40,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 05:36:40,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 7 [2024-11-09 05:36:40,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919781857] [2024-11-09 05:36:40,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:36:40,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:36:40,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:36:40,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:36:40,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-09 05:36:40,295 INFO L87 Difference]: Start difference. First operand 146 states and 154 transitions. Second operand has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 05:36:40,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:36:40,399 INFO L93 Difference]: Finished difference Result 192 states and 200 transitions. [2024-11-09 05:36:40,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 05:36:40,401 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 46 [2024-11-09 05:36:40,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:36:40,403 INFO L225 Difference]: With dead ends: 192 [2024-11-09 05:36:40,403 INFO L226 Difference]: Without dead ends: 191 [2024-11-09 05:36:40,404 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-11-09 05:36:40,405 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 76 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:36:40,406 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 491 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:36:40,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-11-09 05:36:40,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 159. [2024-11-09 05:36:40,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 101 states have (on average 1.5544554455445545) internal successors, (157), 147 states have internal predecessors, (157), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 05:36:40,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 177 transitions. [2024-11-09 05:36:40,419 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 177 transitions. Word has length 46 [2024-11-09 05:36:40,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:36:40,421 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 177 transitions. [2024-11-09 05:36:40,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 05:36:40,421 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 177 transitions. [2024-11-09 05:36:40,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-09 05:36:40,422 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:36:40,422 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:36:40,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa335a04-b8b8-4c12-8b94-3576ee3921d8/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 05:36:40,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa335a04-b8b8-4c12-8b94-3576ee3921d8/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-09 05:36:40,623 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 05:36:40,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:36:40,624 INFO L85 PathProgramCache]: Analyzing trace with hash -1340376071, now seen corresponding path program 1 times [2024-11-09 05:36:40,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:36:40,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681880606] [2024-11-09 05:36:40,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:36:40,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:36:40,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:36:40,702 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 05:36:40,702 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:36:40,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681880606] [2024-11-09 05:36:40,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681880606] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:36:40,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [963997268] [2024-11-09 05:36:40,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:36:40,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:36:40,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa335a04-b8b8-4c12-8b94-3576ee3921d8/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:36:40,707 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa335a04-b8b8-4c12-8b94-3576ee3921d8/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:36:40,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa335a04-b8b8-4c12-8b94-3576ee3921d8/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 05:36:40,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:36:40,786 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 05:36:40,789 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:36:40,889 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 05:36:40,890 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:36:40,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [963997268] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:36:40,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 05:36:40,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-09 05:36:40,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507903759] [2024-11-09 05:36:40,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:36:40,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:36:40,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:36:40,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:36:40,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:36:40,892 INFO L87 Difference]: Start difference. First operand 159 states and 177 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 05:36:41,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:36:41,029 INFO L93 Difference]: Finished difference Result 159 states and 177 transitions. [2024-11-09 05:36:41,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:36:41,030 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 48 [2024-11-09 05:36:41,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:36:41,033 INFO L225 Difference]: With dead ends: 159 [2024-11-09 05:36:41,034 INFO L226 Difference]: Without dead ends: 150 [2024-11-09 05:36:41,034 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:36:41,035 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 121 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:36:41,035 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 118 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:36:41,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2024-11-09 05:36:41,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2024-11-09 05:36:41,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 101 states have (on average 1.4257425742574257) internal successors, (144), 138 states have internal predecessors, (144), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 05:36:41,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 164 transitions. [2024-11-09 05:36:41,047 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 164 transitions. Word has length 48 [2024-11-09 05:36:41,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:36:41,048 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 164 transitions. [2024-11-09 05:36:41,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 05:36:41,048 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 164 transitions. [2024-11-09 05:36:41,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-09 05:36:41,049 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:36:41,049 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:36:41,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa335a04-b8b8-4c12-8b94-3576ee3921d8/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 05:36:41,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa335a04-b8b8-4c12-8b94-3576ee3921d8/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-09 05:36:41,251 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 05:36:41,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:36:41,251 INFO L85 PathProgramCache]: Analyzing trace with hash 1398014875, now seen corresponding path program 1 times [2024-11-09 05:36:41,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:36:41,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968961606] [2024-11-09 05:36:41,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:36:41,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:36:41,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:36:41,345 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 05:36:41,345 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:36:41,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968961606] [2024-11-09 05:36:41,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968961606] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:36:41,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1709644045] [2024-11-09 05:36:41,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:36:41,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:36:41,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa335a04-b8b8-4c12-8b94-3576ee3921d8/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:36:41,349 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa335a04-b8b8-4c12-8b94-3576ee3921d8/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:36:41,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa335a04-b8b8-4c12-8b94-3576ee3921d8/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 05:36:41,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:36:41,420 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 05:36:41,422 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:36:41,519 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 05:36:41,520 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:36:41,662 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 05:36:41,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1709644045] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:36:41,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [555527833] [2024-11-09 05:36:41,692 INFO L159 IcfgInterpreter]: Started Sifa with 42 locations of interest [2024-11-09 05:36:41,693 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:36:41,698 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:36:41,705 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:36:41,706 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:36:43,713 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 36 for LOIs [2024-11-09 05:36:43,721 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:36:44,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [555527833] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:36:44,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-09 05:36:44,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [3, 3, 3] total 15 [2024-11-09 05:36:44,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203667040] [2024-11-09 05:36:44,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:36:44,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 05:36:44,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:36:44,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 05:36:44,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2024-11-09 05:36:44,874 INFO L87 Difference]: Start difference. First operand 150 states and 164 transitions. Second operand has 11 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 05:36:46,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:36:46,128 INFO L93 Difference]: Finished difference Result 180 states and 187 transitions. [2024-11-09 05:36:46,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 05:36:46,129 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 49 [2024-11-09 05:36:46,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:36:46,130 INFO L225 Difference]: With dead ends: 180 [2024-11-09 05:36:46,131 INFO L226 Difference]: Without dead ends: 117 [2024-11-09 05:36:46,131 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 132 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2024-11-09 05:36:46,134 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 20 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 754 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 754 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:36:46,134 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 41 Invalid, 790 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 754 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-09 05:36:46,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-11-09 05:36:46,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 111. [2024-11-09 05:36:46,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 85 states have (on average 1.188235294117647) internal successors, (101), 100 states have internal predecessors, (101), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 05:36:46,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 117 transitions. [2024-11-09 05:36:46,153 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 117 transitions. Word has length 49 [2024-11-09 05:36:46,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:36:46,153 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 117 transitions. [2024-11-09 05:36:46,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 05:36:46,154 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 117 transitions. [2024-11-09 05:36:46,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-09 05:36:46,156 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:36:46,157 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:36:46,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa335a04-b8b8-4c12-8b94-3576ee3921d8/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-09 05:36:46,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa335a04-b8b8-4c12-8b94-3576ee3921d8/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:36:46,358 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 05:36:46,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:36:46,359 INFO L85 PathProgramCache]: Analyzing trace with hash -1659844476, now seen corresponding path program 1 times [2024-11-09 05:36:46,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:36:46,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853270664] [2024-11-09 05:36:46,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:36:46,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:36:46,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:36:46,445 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 05:36:46,445 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:36:46,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853270664] [2024-11-09 05:36:46,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853270664] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:36:46,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:36:46,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:36:46,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036721422] [2024-11-09 05:36:46,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:36:46,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:36:46,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:36:46,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:36:46,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:36:46,448 INFO L87 Difference]: Start difference. First operand 111 states and 117 transitions. Second operand has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 05:36:46,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:36:46,523 INFO L93 Difference]: Finished difference Result 111 states and 117 transitions. [2024-11-09 05:36:46,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:36:46,524 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 81 [2024-11-09 05:36:46,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:36:46,526 INFO L225 Difference]: With dead ends: 111 [2024-11-09 05:36:46,526 INFO L226 Difference]: Without dead ends: 107 [2024-11-09 05:36:46,526 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 05:36:46,527 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 38 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:36:46,528 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 67 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:36:46,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-11-09 05:36:46,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2024-11-09 05:36:46,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 85 states have (on average 1.1411764705882352) internal successors, (97), 96 states have internal predecessors, (97), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 05:36:46,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 113 transitions. [2024-11-09 05:36:46,541 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 113 transitions. Word has length 81 [2024-11-09 05:36:46,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:36:46,542 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 113 transitions. [2024-11-09 05:36:46,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 05:36:46,543 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 113 transitions. [2024-11-09 05:36:46,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-09 05:36:46,544 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:36:46,544 INFO L215 NwaCegarLoop]: trace histogram [7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:36:46,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-09 05:36:46,545 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 05:36:46,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:36:46,545 INFO L85 PathProgramCache]: Analyzing trace with hash -1336632662, now seen corresponding path program 1 times [2024-11-09 05:36:46,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:36:46,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708045048] [2024-11-09 05:36:46,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:36:46,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:36:46,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:36:46,650 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-09 05:36:46,650 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:36:46,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708045048] [2024-11-09 05:36:46,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708045048] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:36:46,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:36:46,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:36:46,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516560486] [2024-11-09 05:36:46,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:36:46,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:36:46,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:36:46,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:36:46,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:36:46,653 INFO L87 Difference]: Start difference. First operand 107 states and 113 transitions. Second operand has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 05:36:46,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:36:46,730 INFO L93 Difference]: Finished difference Result 107 states and 113 transitions. [2024-11-09 05:36:46,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:36:46,731 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 92 [2024-11-09 05:36:46,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:36:46,732 INFO L225 Difference]: With dead ends: 107 [2024-11-09 05:36:46,732 INFO L226 Difference]: Without dead ends: 106 [2024-11-09 05:36:46,732 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 05:36:46,733 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 38 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:36:46,733 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 68 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:36:46,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-09 05:36:46,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2024-11-09 05:36:46,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 85 states have (on average 1.1294117647058823) internal successors, (96), 95 states have internal predecessors, (96), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 05:36:46,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 112 transitions. [2024-11-09 05:36:46,752 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 112 transitions. Word has length 92 [2024-11-09 05:36:46,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:36:46,752 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 112 transitions. [2024-11-09 05:36:46,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 05:36:46,753 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 112 transitions. [2024-11-09 05:36:46,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 05:36:46,757 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:36:46,757 INFO L215 NwaCegarLoop]: trace histogram [8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:36:46,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-09 05:36:46,758 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 05:36:46,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:36:46,759 INFO L85 PathProgramCache]: Analyzing trace with hash 1527762982, now seen corresponding path program 1 times [2024-11-09 05:36:46,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:36:46,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614875720] [2024-11-09 05:36:46,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:36:46,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:36:46,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:36:46,846 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2024-11-09 05:36:46,847 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:36:46,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614875720] [2024-11-09 05:36:46,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614875720] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:36:46,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:36:46,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:36:46,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392583299] [2024-11-09 05:36:46,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:36:46,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:36:46,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:36:46,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:36:46,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:36:46,851 INFO L87 Difference]: Start difference. First operand 106 states and 112 transitions. Second operand has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 05:36:46,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:36:46,941 INFO L93 Difference]: Finished difference Result 106 states and 112 transitions. [2024-11-09 05:36:46,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:36:46,942 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 97 [2024-11-09 05:36:46,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:36:46,943 INFO L225 Difference]: With dead ends: 106 [2024-11-09 05:36:46,944 INFO L226 Difference]: Without dead ends: 103 [2024-11-09 05:36:46,944 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 05:36:46,945 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 31 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:36:46,945 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 67 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:36:46,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-11-09 05:36:46,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2024-11-09 05:36:46,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 85 states have (on average 1.0941176470588236) internal successors, (93), 92 states have internal predecessors, (93), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 05:36:46,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 109 transitions. [2024-11-09 05:36:46,963 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 109 transitions. Word has length 97 [2024-11-09 05:36:46,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:36:46,963 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 109 transitions. [2024-11-09 05:36:46,964 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 05:36:46,964 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 109 transitions. [2024-11-09 05:36:46,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-09 05:36:46,965 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:36:46,965 INFO L215 NwaCegarLoop]: trace histogram [8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:36:46,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-09 05:36:46,966 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 05:36:46,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:36:46,966 INFO L85 PathProgramCache]: Analyzing trace with hash 116012326, now seen corresponding path program 1 times [2024-11-09 05:36:46,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:36:46,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248548511] [2024-11-09 05:36:46,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:36:46,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:36:46,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:36:47,034 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-11-09 05:36:47,034 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:36:47,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248548511] [2024-11-09 05:36:47,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248548511] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:36:47,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:36:47,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:36:47,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302686519] [2024-11-09 05:36:47,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:36:47,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:36:47,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:36:47,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:36:47,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:36:47,038 INFO L87 Difference]: Start difference. First operand 103 states and 109 transitions. Second operand has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 05:36:47,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:36:47,112 INFO L93 Difference]: Finished difference Result 103 states and 109 transitions. [2024-11-09 05:36:47,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:36:47,113 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 98 [2024-11-09 05:36:47,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:36:47,114 INFO L225 Difference]: With dead ends: 103 [2024-11-09 05:36:47,115 INFO L226 Difference]: Without dead ends: 102 [2024-11-09 05:36:47,115 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 05:36:47,116 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 31 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:36:47,117 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 69 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:36:47,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-11-09 05:36:47,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2024-11-09 05:36:47,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 85 states have (on average 1.0823529411764705) internal successors, (92), 91 states have internal predecessors, (92), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 05:36:47,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 108 transitions. [2024-11-09 05:36:47,131 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 108 transitions. Word has length 98 [2024-11-09 05:36:47,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:36:47,132 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 108 transitions. [2024-11-09 05:36:47,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 05:36:47,132 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 108 transitions. [2024-11-09 05:36:47,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-09 05:36:47,134 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:36:47,134 INFO L215 NwaCegarLoop]: trace histogram [8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:36:47,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-09 05:36:47,135 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 05:36:47,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:36:47,135 INFO L85 PathProgramCache]: Analyzing trace with hash -698585048, now seen corresponding path program 1 times [2024-11-09 05:36:47,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:36:47,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638407022] [2024-11-09 05:36:47,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:36:47,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:36:47,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:36:47,208 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-09 05:36:47,208 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:36:47,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638407022] [2024-11-09 05:36:47,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638407022] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:36:47,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:36:47,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:36:47,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87210734] [2024-11-09 05:36:47,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:36:47,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:36:47,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:36:47,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:36:47,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:36:47,211 INFO L87 Difference]: Start difference. First operand 102 states and 108 transitions. Second operand has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 05:36:47,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:36:47,288 INFO L93 Difference]: Finished difference Result 102 states and 108 transitions. [2024-11-09 05:36:47,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:36:47,289 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 99 [2024-11-09 05:36:47,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:36:47,290 INFO L225 Difference]: With dead ends: 102 [2024-11-09 05:36:47,291 INFO L226 Difference]: Without dead ends: 98 [2024-11-09 05:36:47,291 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 05:36:47,292 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 31 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:36:47,292 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 69 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:36:47,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-09 05:36:47,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2024-11-09 05:36:47,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 85 states have (on average 1.035294117647059) internal successors, (88), 87 states have internal predecessors, (88), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 05:36:47,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 104 transitions. [2024-11-09 05:36:47,308 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 104 transitions. Word has length 99 [2024-11-09 05:36:47,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:36:47,308 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 104 transitions. [2024-11-09 05:36:47,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 05:36:47,308 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 104 transitions. [2024-11-09 05:36:47,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-09 05:36:47,310 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:36:47,310 INFO L215 NwaCegarLoop]: trace histogram [8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:36:47,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-09 05:36:47,310 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 05:36:47,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:36:47,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1325328342, now seen corresponding path program 1 times [2024-11-09 05:36:47,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:36:47,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163100674] [2024-11-09 05:36:47,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:36:47,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:36:47,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:36:47,393 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-09 05:36:47,394 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:36:47,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163100674] [2024-11-09 05:36:47,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163100674] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:36:47,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:36:47,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:36:47,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444644813] [2024-11-09 05:36:47,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:36:47,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:36:47,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:36:47,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:36:47,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:36:47,397 INFO L87 Difference]: Start difference. First operand 98 states and 104 transitions. Second operand has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 05:36:47,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:36:47,498 INFO L93 Difference]: Finished difference Result 98 states and 104 transitions. [2024-11-09 05:36:47,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:36:47,499 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 101 [2024-11-09 05:36:47,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:36:47,501 INFO L225 Difference]: With dead ends: 98 [2024-11-09 05:36:47,501 INFO L226 Difference]: Without dead ends: 97 [2024-11-09 05:36:47,501 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 05:36:47,502 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 29 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:36:47,502 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 59 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:36:47,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-11-09 05:36:47,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2024-11-09 05:36:47,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 85 states have (on average 1.0235294117647058) internal successors, (87), 86 states have internal predecessors, (87), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 05:36:47,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 103 transitions. [2024-11-09 05:36:47,518 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 103 transitions. Word has length 101 [2024-11-09 05:36:47,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:36:47,519 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 103 transitions. [2024-11-09 05:36:47,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 05:36:47,520 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 103 transitions. [2024-11-09 05:36:47,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-09 05:36:47,521 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:36:47,522 INFO L215 NwaCegarLoop]: trace histogram [8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:36:47,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-09 05:36:47,522 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 05:36:47,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:36:47,523 INFO L85 PathProgramCache]: Analyzing trace with hash -1656061906, now seen corresponding path program 1 times [2024-11-09 05:36:47,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:36:47,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148246709] [2024-11-09 05:36:47,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:36:47,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:36:47,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:36:47,595 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-09 05:36:47,595 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:36:47,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148246709] [2024-11-09 05:36:47,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148246709] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:36:47,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:36:47,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:36:47,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965772408] [2024-11-09 05:36:47,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:36:47,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:36:47,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:36:47,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:36:47,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:36:47,598 INFO L87 Difference]: Start difference. First operand 97 states and 103 transitions. Second operand has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 05:36:47,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:36:47,698 INFO L93 Difference]: Finished difference Result 97 states and 103 transitions. [2024-11-09 05:36:47,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:36:47,699 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 105 [2024-11-09 05:36:47,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:36:47,701 INFO L225 Difference]: With dead ends: 97 [2024-11-09 05:36:47,701 INFO L226 Difference]: Without dead ends: 96 [2024-11-09 05:36:47,701 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 05:36:47,702 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 29 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:36:47,702 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 59 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:36:47,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-09 05:36:47,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-11-09 05:36:47,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 85 states have (on average 1.011764705882353) internal successors, (86), 85 states have internal predecessors, (86), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 05:36:47,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 102 transitions. [2024-11-09 05:36:47,718 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 102 transitions. Word has length 105 [2024-11-09 05:36:47,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:36:47,719 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 102 transitions. [2024-11-09 05:36:47,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 05:36:47,719 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 102 transitions. [2024-11-09 05:36:47,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-09 05:36:47,720 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:36:47,720 INFO L215 NwaCegarLoop]: trace histogram [8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:36:47,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-09 05:36:47,721 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-09 05:36:47,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:36:47,722 INFO L85 PathProgramCache]: Analyzing trace with hash 1957380144, now seen corresponding path program 1 times [2024-11-09 05:36:47,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:36:47,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380228868] [2024-11-09 05:36:47,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:36:47,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:36:47,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:36:47,796 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-09 05:36:47,796 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:36:47,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380228868] [2024-11-09 05:36:47,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380228868] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:36:47,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:36:47,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:36:47,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660807066] [2024-11-09 05:36:47,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:36:47,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:36:47,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:36:47,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:36:47,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:36:47,799 INFO L87 Difference]: Start difference. First operand 96 states and 102 transitions. Second operand has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 05:36:47,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:36:47,908 INFO L93 Difference]: Finished difference Result 96 states and 102 transitions. [2024-11-09 05:36:47,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:36:47,909 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 107 [2024-11-09 05:36:47,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:36:47,910 INFO L225 Difference]: With dead ends: 96 [2024-11-09 05:36:47,910 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 05:36:47,910 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 05:36:47,911 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 29 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:36:47,911 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 59 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:36:47,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 05:36:47,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 05:36:47,912 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 05:36:47,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 05:36:47,913 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 107 [2024-11-09 05:36:47,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:36:47,913 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 05:36:47,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 05:36:47,914 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 05:36:47,914 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 05:36:47,917 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 52 remaining) [2024-11-09 05:36:47,918 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 52 remaining) [2024-11-09 05:36:47,918 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 52 remaining) [2024-11-09 05:36:47,919 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 52 remaining) [2024-11-09 05:36:47,919 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 52 remaining) [2024-11-09 05:36:47,919 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 52 remaining) [2024-11-09 05:36:47,919 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 52 remaining) [2024-11-09 05:36:47,920 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 52 remaining) [2024-11-09 05:36:47,920 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 52 remaining) [2024-11-09 05:36:47,920 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 52 remaining) [2024-11-09 05:36:47,921 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 52 remaining) [2024-11-09 05:36:47,921 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 52 remaining) [2024-11-09 05:36:47,921 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 52 remaining) [2024-11-09 05:36:47,921 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 52 remaining) [2024-11-09 05:36:47,921 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 52 remaining) [2024-11-09 05:36:47,922 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 52 remaining) [2024-11-09 05:36:47,922 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 52 remaining) [2024-11-09 05:36:47,924 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 52 remaining) [2024-11-09 05:36:47,925 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 52 remaining) [2024-11-09 05:36:47,925 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 52 remaining) [2024-11-09 05:36:47,925 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 52 remaining) [2024-11-09 05:36:47,925 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 52 remaining) [2024-11-09 05:36:47,925 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 52 remaining) [2024-11-09 05:36:47,926 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 52 remaining) [2024-11-09 05:36:47,926 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 52 remaining) [2024-11-09 05:36:47,926 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 52 remaining) [2024-11-09 05:36:47,926 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 52 remaining) [2024-11-09 05:36:47,926 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 52 remaining) [2024-11-09 05:36:47,926 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 52 remaining) [2024-11-09 05:36:47,927 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 52 remaining) [2024-11-09 05:36:47,927 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 52 remaining) [2024-11-09 05:36:47,927 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 52 remaining) [2024-11-09 05:36:47,927 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 52 remaining) [2024-11-09 05:36:47,928 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 52 remaining) [2024-11-09 05:36:47,928 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 52 remaining) [2024-11-09 05:36:47,928 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 52 remaining) [2024-11-09 05:36:47,929 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 52 remaining) [2024-11-09 05:36:47,929 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 52 remaining) [2024-11-09 05:36:47,929 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 52 remaining) [2024-11-09 05:36:47,929 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 52 remaining) [2024-11-09 05:36:47,930 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 52 remaining) [2024-11-09 05:36:47,930 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 52 remaining) [2024-11-09 05:36:47,931 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 52 remaining) [2024-11-09 05:36:47,931 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 52 remaining) [2024-11-09 05:36:47,931 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 52 remaining) [2024-11-09 05:36:47,931 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 52 remaining) [2024-11-09 05:36:47,931 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 52 remaining) [2024-11-09 05:36:47,932 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 52 remaining) [2024-11-09 05:36:47,932 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 52 remaining) [2024-11-09 05:36:47,932 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 52 remaining) [2024-11-09 05:36:47,932 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 52 remaining) [2024-11-09 05:36:47,933 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 52 remaining) [2024-11-09 05:36:47,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-09 05:36:47,937 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:36:47,941 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-09 05:36:48,738 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 05:36:48,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:36:48 BoogieIcfgContainer [2024-11-09 05:36:48,774 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 05:36:48,775 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 05:36:48,775 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 05:36:48,775 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 05:36:48,776 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:36:34" (3/4) ... [2024-11-09 05:36:48,779 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 05:36:48,784 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-09 05:36:48,790 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-09 05:36:48,790 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-09 05:36:48,791 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 05:36:48,791 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 05:36:48,913 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa335a04-b8b8-4c12-8b94-3576ee3921d8/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 05:36:48,914 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa335a04-b8b8-4c12-8b94-3576ee3921d8/bin/utaipan-verify-YMUCfTKeje/witness.yml [2024-11-09 05:36:48,914 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 05:36:48,915 INFO L158 Benchmark]: Toolchain (without parser) took 15450.60ms. Allocated memory was 142.6MB in the beginning and 178.3MB in the end (delta: 35.7MB). Free memory was 110.6MB in the beginning and 93.0MB in the end (delta: 17.7MB). Peak memory consumption was 54.9MB. Max. memory is 16.1GB. [2024-11-09 05:36:48,915 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 142.6MB. Free memory is still 115.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:36:48,916 INFO L158 Benchmark]: CACSL2BoogieTranslator took 360.01ms. Allocated memory is still 142.6MB. Free memory was 110.6MB in the beginning and 98.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 05:36:48,917 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.08ms. Allocated memory is still 142.6MB. Free memory was 98.0MB in the beginning and 96.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:36:48,917 INFO L158 Benchmark]: Boogie Preprocessor took 32.75ms. Allocated memory is still 142.6MB. Free memory was 96.0MB in the beginning and 94.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:36:48,918 INFO L158 Benchmark]: RCFGBuilder took 924.48ms. Allocated memory is still 142.6MB. Free memory was 94.9MB in the beginning and 73.9MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-09 05:36:48,918 INFO L158 Benchmark]: TraceAbstraction took 13930.81ms. Allocated memory was 142.6MB in the beginning and 178.3MB in the end (delta: 35.7MB). Free memory was 73.4MB in the beginning and 98.2MB in the end (delta: -24.8MB). Peak memory consumption was 68.0MB. Max. memory is 16.1GB. [2024-11-09 05:36:48,919 INFO L158 Benchmark]: Witness Printer took 139.53ms. Allocated memory is still 178.3MB. Free memory was 98.2MB in the beginning and 93.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 05:36:48,923 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 142.6MB. Free memory is still 115.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 360.01ms. Allocated memory is still 142.6MB. Free memory was 110.6MB in the beginning and 98.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.08ms. Allocated memory is still 142.6MB. Free memory was 98.0MB in the beginning and 96.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.75ms. Allocated memory is still 142.6MB. Free memory was 96.0MB in the beginning and 94.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 924.48ms. Allocated memory is still 142.6MB. Free memory was 94.9MB in the beginning and 73.9MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 13930.81ms. Allocated memory was 142.6MB in the beginning and 178.3MB in the end (delta: 35.7MB). Free memory was 73.4MB in the beginning and 98.2MB in the end (delta: -24.8MB). Peak memory consumption was 68.0MB. Max. memory is 16.1GB. * Witness Printer took 139.53ms. Allocated memory is still 178.3MB. Free memory was 98.2MB in the beginning and 93.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * 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: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: 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: 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: 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: 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: 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: 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: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: 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, 118 locations, 52 error locations. Started 1 CEGAR loops. OverallTime: 13.0s, OverallIterations: 21, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 825 SdHoareTripleChecker+Valid, 3.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 783 mSDsluCounter, 3067 SdHoareTripleChecker+Invalid, 2.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1451 mSDsCounter, 107 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1845 IncrementalHoareTripleChecker+Invalid, 1952 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 107 mSolverCounterUnsat, 1616 mSDtfsCounter, 1845 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 361 GetRequests, 304 SyntacticMatches, 2 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=168occurred in iteration=5, InterpolantAutomatonStates: 79, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 21 MinimizatonAttempts, 88 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 1381 NumberOfCodeBlocks, 1381 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 1381 ConstructedInterpolants, 0 QuantifiedInterpolants, 4303 SizeOfPredicates, 3 NumberOfNonLiveVariables, 450 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 26 InterpolantComputations, 20 PerfectInterpolantSequences, 731/752 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: 2.0s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 51, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 79, TOOLS_POST_TIME: 1.0s, TOOLS_POST_CALL_APPLICATIONS: 15, TOOLS_POST_CALL_TIME: 0.2s, TOOLS_POST_RETURN_APPLICATIONS: 12, TOOLS_POST_RETURN_TIME: 0.2s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 102, TOOLS_QUANTIFIERELIM_TIME: 1.3s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.1s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 142, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 19, DOMAIN_JOIN_TIME: 0.3s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 1, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 51, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME: 0.1s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.1s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 1, CALL_SUMMARIZER_APPLICATIONS: 12, 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: 0.1s, DAG_COMPRESSION_PROCESSED_NODES: 3081, DAG_COMPRESSION_RETAINED_NODES: 172, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 52 specifications checked. All of them hold - ProcedureContractResult [Line: 11]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Ensures: (counter == \old(counter)) RESULT: Ultimate proved your program to be correct! [2024-11-09 05:36:48,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa335a04-b8b8-4c12-8b94-3576ee3921d8/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE