./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ --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 3f64d9b496c4f5484a31fbfb0a7c6af8258ace1e653eee382e318ab929fd1285 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:59:28,887 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:59:29,020 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-11-19 04:59:29,027 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:59:29,028 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:59:29,067 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:59:29,068 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:59:29,068 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:59:29,070 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:59:29,075 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:59:29,075 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:59:29,076 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:59:29,076 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:59:29,078 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:59:29,079 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:59:29,079 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:59:29,080 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:59:29,080 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:59:29,080 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:59:29,081 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:59:29,081 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:59:29,082 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:59:29,083 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:59:29,084 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:59:29,084 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:59:29,085 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:59:29,085 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:59:29,086 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:59:29,086 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:59:29,086 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:59:29,088 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:59:29,088 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:59:29,089 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:59:29,089 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:59:29,089 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:59:29,089 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:59:29,090 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:59:29,090 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:59:29,090 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:59:29,091 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:59:29,091 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:59:29,092 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:59:29,092 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:59:29,092 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:59:29,093 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:59:29,093 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:59:29,093 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:59:29,094 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_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f64d9b496c4f5484a31fbfb0a7c6af8258ace1e653eee382e318ab929fd1285 [2023-11-19 04:59:29,392 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:59:29,416 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:59:29,419 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:59:29,421 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:59:29,422 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:59:29,423 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound1.c [2023-11-19 04:59:32,839 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:59:33,125 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:59:33,126 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound1.c [2023-11-19 04:59:33,137 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/data/4c018bbf6/3e5c4394916b4cf1bdf0eed3eb3ac200/FLAGe454d96d4 [2023-11-19 04:59:33,156 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/data/4c018bbf6/3e5c4394916b4cf1bdf0eed3eb3ac200 [2023-11-19 04:59:33,159 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:59:33,161 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:59:33,162 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:59:33,163 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:59:33,170 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:59:33,171 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:59:33" (1/1) ... [2023-11-19 04:59:33,172 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@283589e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:33, skipping insertion in model container [2023-11-19 04:59:33,172 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:59:33" (1/1) ... [2023-11-19 04:59:33,203 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:59:33,486 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:59:33,501 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:59:33,552 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:59:33,573 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:59:33,573 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:33 WrapperNode [2023-11-19 04:59:33,574 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:59:33,575 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:59:33,576 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:59:33,576 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:59:33,586 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:33" (1/1) ... [2023-11-19 04:59:33,608 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:33" (1/1) ... [2023-11-19 04:59:33,655 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 100 [2023-11-19 04:59:33,663 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:59:33,664 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:59:33,665 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:59:33,666 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:59:33,678 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:33" (1/1) ... [2023-11-19 04:59:33,679 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:33" (1/1) ... [2023-11-19 04:59:33,683 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:33" (1/1) ... [2023-11-19 04:59:33,684 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:33" (1/1) ... [2023-11-19 04:59:33,700 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:33" (1/1) ... [2023-11-19 04:59:33,713 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:33" (1/1) ... [2023-11-19 04:59:33,714 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:33" (1/1) ... [2023-11-19 04:59:33,721 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:33" (1/1) ... [2023-11-19 04:59:33,724 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:59:33,725 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:59:33,727 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:59:33,727 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:59:33,728 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:33" (1/1) ... [2023-11-19 04:59:33,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:59:33,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:59:33,770 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:59:33,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:59:33,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:59:33,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:59:33,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:59:33,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:59:33,821 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 04:59:33,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 04:59:33,899 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:59:33,902 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:59:34,359 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:59:34,434 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:59:34,434 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 04:59:34,440 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:59:34 BoogieIcfgContainer [2023-11-19 04:59:34,441 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:59:34,444 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:59:34,445 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:59:34,449 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:59:34,449 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:59:33" (1/3) ... [2023-11-19 04:59:34,450 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c5834fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:59:34, skipping insertion in model container [2023-11-19 04:59:34,450 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:59:33" (2/3) ... [2023-11-19 04:59:34,451 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c5834fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:59:34, skipping insertion in model container [2023-11-19 04:59:34,451 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:59:34" (3/3) ... [2023-11-19 04:59:34,472 INFO L112 eAbstractionObserver]: Analyzing ICFG hard-ll_unwindbound1.c [2023-11-19 04:59:34,495 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:59:34,495 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2023-11-19 04:59:34,559 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:59:34,568 INFO L357 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, mHoare=true, 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;@62cff173, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:59:34,568 INFO L358 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2023-11-19 04:59:34,574 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 38 states have (on average 1.9210526315789473) internal successors, (73), 66 states have internal predecessors, (73), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-19 04:59:34,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 04:59:34,582 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:59:34,582 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2023-11-19 04:59:34,583 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2023-11-19 04:59:34,590 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:59:34,590 INFO L85 PathProgramCache]: Analyzing trace with hash 178234, now seen corresponding path program 1 times [2023-11-19 04:59:34,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:59:34,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156195369] [2023-11-19 04:59:34,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:59:34,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:59:34,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:59:34,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:59:34,839 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:59:34,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156195369] [2023-11-19 04:59:34,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156195369] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:59:34,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:59:34,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:59:34,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771290476] [2023-11-19 04:59:34,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:59:34,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 04:59:34,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:59:34,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 04:59:34,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 04:59:34,907 INFO L87 Difference]: Start difference. First operand has 75 states, 38 states have (on average 1.9210526315789473) internal successors, (73), 66 states have internal predecessors, (73), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) 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) [2023-11-19 04:59:35,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:59:35,066 INFO L93 Difference]: Finished difference Result 134 states and 152 transitions. [2023-11-19 04:59:35,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 04:59:35,070 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 [2023-11-19 04:59:35,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:59:35,081 INFO L225 Difference]: With dead ends: 134 [2023-11-19 04:59:35,081 INFO L226 Difference]: Without dead ends: 77 [2023-11-19 04:59:35,086 INFO L412 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 [2023-11-19 04:59:35,092 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 33 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:59:35,093 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 201 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:59:35,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2023-11-19 04:59:35,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 72. [2023-11-19 04:59:35,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 38 states have (on average 1.8157894736842106) internal successors, (69), 64 states have internal predecessors, (69), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-19 04:59:35,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 79 transitions. [2023-11-19 04:59:35,169 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 79 transitions. Word has length 3 [2023-11-19 04:59:35,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:59:35,170 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 79 transitions. [2023-11-19 04:59:35,171 INFO L496 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) [2023-11-19 04:59:35,172 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 79 transitions. [2023-11-19 04:59:35,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 04:59:35,173 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:59:35,174 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-19 04:59:35,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 04:59:35,175 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2023-11-19 04:59:35,177 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:59:35,177 INFO L85 PathProgramCache]: Analyzing trace with hash 5525302, now seen corresponding path program 1 times [2023-11-19 04:59:35,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:59:35,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951499034] [2023-11-19 04:59:35,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:59:35,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:59:35,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:59:35,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:59:35,249 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:59:35,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951499034] [2023-11-19 04:59:35,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951499034] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:59:35,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:59:35,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:59:35,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604043742] [2023-11-19 04:59:35,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:59:35,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 04:59:35,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:59:35,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 04:59:35,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 04:59:35,254 INFO L87 Difference]: Start difference. First operand 72 states and 79 transitions. Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 04:59:35,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:59:35,302 INFO L93 Difference]: Finished difference Result 125 states and 136 transitions. [2023-11-19 04:59:35,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 04:59:35,303 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2023-11-19 04:59:35,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:59:35,305 INFO L225 Difference]: With dead ends: 125 [2023-11-19 04:59:35,305 INFO L226 Difference]: Without dead ends: 76 [2023-11-19 04:59:35,306 INFO L412 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 [2023-11-19 04:59:35,308 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 3 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:59:35,309 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 213 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:59:35,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2023-11-19 04:59:35,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2023-11-19 04:59:35,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 42 states have (on average 1.7380952380952381) internal successors, (73), 68 states have internal predecessors, (73), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-19 04:59:35,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 83 transitions. [2023-11-19 04:59:35,322 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 83 transitions. Word has length 4 [2023-11-19 04:59:35,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:59:35,322 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 83 transitions. [2023-11-19 04:59:35,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 04:59:35,323 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 83 transitions. [2023-11-19 04:59:35,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 04:59:35,324 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:59:35,324 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:59:35,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 04:59:35,325 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2023-11-19 04:59:35,325 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:59:35,326 INFO L85 PathProgramCache]: Analyzing trace with hash -1601283050, now seen corresponding path program 1 times [2023-11-19 04:59:35,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:59:35,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701544382] [2023-11-19 04:59:35,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:59:35,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:59:35,359 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 04:59:35,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1001290045] [2023-11-19 04:59:35,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:59:35,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:59:35,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:59:35,368 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:59:35,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 04:59:35,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:59:35,441 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:59:35,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:59:35,619 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:59:35,620 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:59:35,620 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:59:35,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701544382] [2023-11-19 04:59:35,621 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 04:59:35,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1001290045] [2023-11-19 04:59:35,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1001290045] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:59:35,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:59:35,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:59:35,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196672169] [2023-11-19 04:59:35,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:59:35,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:59:35,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:59:35,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:59:35,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:59:35,630 INFO L87 Difference]: Start difference. First operand 76 states and 83 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) [2023-11-19 04:59:35,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:59:35,842 INFO L93 Difference]: Finished difference Result 167 states and 186 transitions. [2023-11-19 04:59:35,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:59:35,843 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 12 [2023-11-19 04:59:35,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:59:35,846 INFO L225 Difference]: With dead ends: 167 [2023-11-19 04:59:35,846 INFO L226 Difference]: Without dead ends: 115 [2023-11-19 04:59:35,847 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:59:35,849 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 34 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 04:59:35,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 107 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 04:59:35,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2023-11-19 04:59:35,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 99. [2023-11-19 04:59:35,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 60 states have (on average 1.6833333333333333) internal successors, (101), 86 states have internal predecessors, (101), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-19 04:59:35,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 121 transitions. [2023-11-19 04:59:35,872 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 121 transitions. Word has length 12 [2023-11-19 04:59:35,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:59:35,873 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 121 transitions. [2023-11-19 04:59:35,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) [2023-11-19 04:59:35,874 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 121 transitions. [2023-11-19 04:59:35,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 04:59:35,875 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:59:35,875 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:59:35,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-19 04:59:36,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:59:36,084 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2023-11-19 04:59:36,085 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:59:36,085 INFO L85 PathProgramCache]: Analyzing trace with hash 892086673, now seen corresponding path program 1 times [2023-11-19 04:59:36,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:59:36,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967959739] [2023-11-19 04:59:36,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:59:36,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:59:36,124 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 04:59:36,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2061186450] [2023-11-19 04:59:36,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:59:36,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:59:36,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:59:36,132 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:59:36,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 04:59:36,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:59:36,226 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:59:36,228 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:59:36,297 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:59:36,298 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:59:36,298 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:59:36,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967959739] [2023-11-19 04:59:36,299 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 04:59:36,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2061186450] [2023-11-19 04:59:36,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2061186450] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:59:36,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:59:36,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:59:36,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711273873] [2023-11-19 04:59:36,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:59:36,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:59:36,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:59:36,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:59:36,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:59:36,303 INFO L87 Difference]: Start difference. First operand 99 states and 121 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2023-11-19 04:59:36,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:59:36,429 INFO L93 Difference]: Finished difference Result 131 states and 157 transitions. [2023-11-19 04:59:36,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:59:36,430 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 18 [2023-11-19 04:59:36,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:59:36,433 INFO L225 Difference]: With dead ends: 131 [2023-11-19 04:59:36,435 INFO L226 Difference]: Without dead ends: 129 [2023-11-19 04:59:36,436 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:59:36,437 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 41 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 04:59:36,442 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 96 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 04:59:36,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2023-11-19 04:59:36,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 112. [2023-11-19 04:59:36,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 72 states have (on average 1.6805555555555556) internal successors, (121), 97 states have internal predecessors, (121), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-19 04:59:36,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 145 transitions. [2023-11-19 04:59:36,488 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 145 transitions. Word has length 18 [2023-11-19 04:59:36,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:59:36,489 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 145 transitions. [2023-11-19 04:59:36,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2023-11-19 04:59:36,490 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 145 transitions. [2023-11-19 04:59:36,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 04:59:36,492 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:59:36,492 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:59:36,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-19 04:59:36,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:59:36,701 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2023-11-19 04:59:36,701 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:59:36,701 INFO L85 PathProgramCache]: Analyzing trace with hash 1884881650, now seen corresponding path program 1 times [2023-11-19 04:59:36,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:59:36,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103894889] [2023-11-19 04:59:36,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:59:36,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:59:36,725 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 04:59:36,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1988987887] [2023-11-19 04:59:36,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:59:36,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:59:36,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:59:36,727 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:59:36,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-19 04:59:36,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:59:36,794 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:59:36,796 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:59:36,866 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:59:36,866 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:59:36,866 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:59:36,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103894889] [2023-11-19 04:59:36,867 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 04:59:36,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1988987887] [2023-11-19 04:59:36,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1988987887] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:59:36,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:59:36,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 04:59:36,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383610141] [2023-11-19 04:59:36,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:59:36,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 04:59:36,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:59:36,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 04:59:36,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 04:59:36,871 INFO L87 Difference]: Start difference. First operand 112 states and 145 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 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) [2023-11-19 04:59:36,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:59:36,960 INFO L93 Difference]: Finished difference Result 112 states and 145 transitions. [2023-11-19 04:59:36,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 04:59:36,965 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 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 19 [2023-11-19 04:59:36,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:59:36,969 INFO L225 Difference]: With dead ends: 112 [2023-11-19 04:59:36,969 INFO L226 Difference]: Without dead ends: 111 [2023-11-19 04:59:36,970 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-19 04:59:36,975 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 67 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 04:59:36,975 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 186 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 04:59:36,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2023-11-19 04:59:36,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2023-11-19 04:59:36,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 72 states have (on average 1.6388888888888888) internal successors, (118), 96 states have internal predecessors, (118), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-19 04:59:36,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 142 transitions. [2023-11-19 04:59:36,995 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 142 transitions. Word has length 19 [2023-11-19 04:59:36,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:59:36,996 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 142 transitions. [2023-11-19 04:59:36,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 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) [2023-11-19 04:59:36,996 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 142 transitions. [2023-11-19 04:59:36,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 04:59:36,997 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:59:36,997 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:59:37,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-19 04:59:37,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:59:37,219 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2023-11-19 04:59:37,219 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:59:37,219 INFO L85 PathProgramCache]: Analyzing trace with hash 1884883156, now seen corresponding path program 1 times [2023-11-19 04:59:37,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:59:37,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856618848] [2023-11-19 04:59:37,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:59:37,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:59:37,247 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 04:59:37,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1938326722] [2023-11-19 04:59:37,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:59:37,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:59:37,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:59:37,251 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:59:37,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-19 04:59:37,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:59:37,312 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:59:37,314 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:59:37,364 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:59:37,364 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:59:37,364 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:59:37,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856618848] [2023-11-19 04:59:37,365 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 04:59:37,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1938326722] [2023-11-19 04:59:37,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1938326722] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:59:37,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:59:37,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:59:37,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175682511] [2023-11-19 04:59:37,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:59:37,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:59:37,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:59:37,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:59:37,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:59:37,368 INFO L87 Difference]: Start difference. First operand 111 states and 142 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2023-11-19 04:59:37,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:59:37,458 INFO L93 Difference]: Finished difference Result 125 states and 149 transitions. [2023-11-19 04:59:37,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:59:37,459 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 19 [2023-11-19 04:59:37,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:59:37,460 INFO L225 Difference]: With dead ends: 125 [2023-11-19 04:59:37,461 INFO L226 Difference]: Without dead ends: 124 [2023-11-19 04:59:37,461 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:59:37,463 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 25 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 115 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 [2023-11-19 04:59:37,463 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 115 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 04:59:37,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2023-11-19 04:59:37,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 111. [2023-11-19 04:59:37,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 72 states have (on average 1.625) internal successors, (117), 96 states have internal predecessors, (117), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-19 04:59:37,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 141 transitions. [2023-11-19 04:59:37,484 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 141 transitions. Word has length 19 [2023-11-19 04:59:37,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:59:37,484 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 141 transitions. [2023-11-19 04:59:37,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2023-11-19 04:59:37,485 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 141 transitions. [2023-11-19 04:59:37,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 04:59:37,486 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:59:37,486 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:59:37,515 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-19 04:59:37,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:59:37,710 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2023-11-19 04:59:37,710 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:59:37,711 INFO L85 PathProgramCache]: Analyzing trace with hash -1698210910, now seen corresponding path program 1 times [2023-11-19 04:59:37,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:59:37,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587694302] [2023-11-19 04:59:37,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:59:37,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:59:37,740 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 04:59:37,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1829521934] [2023-11-19 04:59:37,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:59:37,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:59:37,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:59:37,753 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:59:37,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-19 04:59:37,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:59:37,823 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:59:37,825 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:59:37,903 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:59:37,903 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:59:37,903 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:59:37,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587694302] [2023-11-19 04:59:37,904 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 04:59:37,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1829521934] [2023-11-19 04:59:37,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1829521934] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:59:37,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:59:37,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 04:59:37,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145325657] [2023-11-19 04:59:37,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:59:37,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 04:59:37,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:59:37,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 04:59:37,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 04:59:37,910 INFO L87 Difference]: Start difference. First operand 111 states and 141 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 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) [2023-11-19 04:59:38,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:59:38,015 INFO L93 Difference]: Finished difference Result 116 states and 147 transitions. [2023-11-19 04:59:38,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 04:59:38,016 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 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 20 [2023-11-19 04:59:38,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:59:38,018 INFO L225 Difference]: With dead ends: 116 [2023-11-19 04:59:38,018 INFO L226 Difference]: Without dead ends: 115 [2023-11-19 04:59:38,019 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-19 04:59:38,020 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 18 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 04:59:38,021 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 227 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 04:59:38,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2023-11-19 04:59:38,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 114. [2023-11-19 04:59:38,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 75 states have (on average 1.5866666666666667) internal successors, (119), 99 states have internal predecessors, (119), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-19 04:59:38,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 143 transitions. [2023-11-19 04:59:38,056 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 143 transitions. Word has length 20 [2023-11-19 04:59:38,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:59:38,057 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 143 transitions. [2023-11-19 04:59:38,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 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) [2023-11-19 04:59:38,057 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 143 transitions. [2023-11-19 04:59:38,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 04:59:38,059 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:59:38,060 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:59:38,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-19 04:59:38,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:59:38,272 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2023-11-19 04:59:38,273 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:59:38,273 INFO L85 PathProgramCache]: Analyzing trace with hash 106890802, now seen corresponding path program 1 times [2023-11-19 04:59:38,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:59:38,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694129144] [2023-11-19 04:59:38,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:59:38,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:59:38,288 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 04:59:38,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1450149281] [2023-11-19 04:59:38,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:59:38,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:59:38,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:59:38,290 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:59:38,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-19 04:59:38,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:59:38,349 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:59:38,351 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:59:38,398 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:59:38,398 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:59:38,399 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:59:38,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694129144] [2023-11-19 04:59:38,399 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 04:59:38,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1450149281] [2023-11-19 04:59:38,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1450149281] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:59:38,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:59:38,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:59:38,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527386716] [2023-11-19 04:59:38,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:59:38,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:59:38,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:59:38,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:59:38,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:59:38,404 INFO L87 Difference]: Start difference. First operand 114 states and 143 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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) [2023-11-19 04:59:38,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:59:38,471 INFO L93 Difference]: Finished difference Result 159 states and 192 transitions. [2023-11-19 04:59:38,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:59:38,472 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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 22 [2023-11-19 04:59:38,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:59:38,473 INFO L225 Difference]: With dead ends: 159 [2023-11-19 04:59:38,473 INFO L226 Difference]: Without dead ends: 155 [2023-11-19 04:59:38,474 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:59:38,476 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 48 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:59:38,476 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 92 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:59:38,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2023-11-19 04:59:38,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 134. [2023-11-19 04:59:38,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 93 states have (on average 1.5591397849462365) internal successors, (145), 117 states have internal predecessors, (145), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-19 04:59:38,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 173 transitions. [2023-11-19 04:59:38,515 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 173 transitions. Word has length 22 [2023-11-19 04:59:38,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:59:38,516 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 173 transitions. [2023-11-19 04:59:38,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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) [2023-11-19 04:59:38,516 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 173 transitions. [2023-11-19 04:59:38,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 04:59:38,517 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:59:38,517 INFO L195 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] [2023-11-19 04:59:38,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-19 04:59:38,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:59:38,732 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2023-11-19 04:59:38,733 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:59:38,733 INFO L85 PathProgramCache]: Analyzing trace with hash -357149996, now seen corresponding path program 1 times [2023-11-19 04:59:38,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:59:38,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987660092] [2023-11-19 04:59:38,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:59:38,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:59:38,747 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 04:59:38,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [160256089] [2023-11-19 04:59:38,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:59:38,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:59:38,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:59:38,749 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:59:38,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-19 04:59:38,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:59:38,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:59:38,829 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:59:38,912 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:59:38,913 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:59:38,913 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:59:38,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987660092] [2023-11-19 04:59:38,914 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 04:59:38,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [160256089] [2023-11-19 04:59:38,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [160256089] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:59:38,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:59:38,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:59:38,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557996687] [2023-11-19 04:59:38,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:59:38,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 04:59:38,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:59:38,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 04:59:38,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 04:59:38,917 INFO L87 Difference]: Start difference. First operand 134 states and 173 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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) [2023-11-19 04:59:39,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:59:39,194 INFO L93 Difference]: Finished difference Result 154 states and 181 transitions. [2023-11-19 04:59:39,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 04:59:39,195 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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 24 [2023-11-19 04:59:39,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:59:39,197 INFO L225 Difference]: With dead ends: 154 [2023-11-19 04:59:39,197 INFO L226 Difference]: Without dead ends: 153 [2023-11-19 04:59:39,197 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 04:59:39,198 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 65 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 04:59:39,198 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 129 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 04:59:39,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2023-11-19 04:59:39,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 135. [2023-11-19 04:59:39,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 94 states have (on average 1.553191489361702) internal successors, (146), 118 states have internal predecessors, (146), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-19 04:59:39,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 174 transitions. [2023-11-19 04:59:39,221 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 174 transitions. Word has length 24 [2023-11-19 04:59:39,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:59:39,222 INFO L495 AbstractCegarLoop]: Abstraction has 135 states and 174 transitions. [2023-11-19 04:59:39,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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) [2023-11-19 04:59:39,223 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 174 transitions. [2023-11-19 04:59:39,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 04:59:39,224 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:59:39,224 INFO L195 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] [2023-11-19 04:59:39,251 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-19 04:59:39,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:59:39,446 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2023-11-19 04:59:39,447 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:59:39,447 INFO L85 PathProgramCache]: Analyzing trace with hash -357134106, now seen corresponding path program 1 times [2023-11-19 04:59:39,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:59:39,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370184795] [2023-11-19 04:59:39,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:59:39,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:59:39,460 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 04:59:39,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2032255924] [2023-11-19 04:59:39,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:59:39,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:59:39,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:59:39,462 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:59:39,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-19 04:59:39,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:59:39,513 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:59:39,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:59:39,575 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:59:39,576 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:59:39,576 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:59:39,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370184795] [2023-11-19 04:59:39,576 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 04:59:39,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2032255924] [2023-11-19 04:59:39,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2032255924] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:59:39,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:59:39,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 04:59:39,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653089110] [2023-11-19 04:59:39,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:59:39,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 04:59:39,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:59:39,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 04:59:39,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-19 04:59:39,595 INFO L87 Difference]: Start difference. First operand 135 states and 174 transitions. Second operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 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) [2023-11-19 04:59:39,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:59:39,674 INFO L93 Difference]: Finished difference Result 141 states and 178 transitions. [2023-11-19 04:59:39,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 04:59:39,675 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 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 24 [2023-11-19 04:59:39,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:59:39,676 INFO L225 Difference]: With dead ends: 141 [2023-11-19 04:59:39,676 INFO L226 Difference]: Without dead ends: 54 [2023-11-19 04:59:39,681 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-11-19 04:59:39,682 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 47 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:59:39,684 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 69 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:59:39,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2023-11-19 04:59:39,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 50. [2023-11-19 04:59:39,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 42 states have internal predecessors, (45), 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) [2023-11-19 04:59:39,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 57 transitions. [2023-11-19 04:59:39,695 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 57 transitions. Word has length 24 [2023-11-19 04:59:39,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:59:39,696 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 57 transitions. [2023-11-19 04:59:39,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 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) [2023-11-19 04:59:39,696 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 57 transitions. [2023-11-19 04:59:39,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 04:59:39,700 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:59:39,701 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:59:39,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-19 04:59:39,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-19 04:59:39,922 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2023-11-19 04:59:39,922 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:59:39,922 INFO L85 PathProgramCache]: Analyzing trace with hash -203834760, now seen corresponding path program 1 times [2023-11-19 04:59:39,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:59:39,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005505222] [2023-11-19 04:59:39,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:59:39,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:59:39,952 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 04:59:39,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1935098377] [2023-11-19 04:59:39,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:59:39,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:59:39,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:59:39,955 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:59:39,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-19 04:59:40,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:59:40,020 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:59:40,022 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:59:40,074 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:59:40,074 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:59:40,074 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:59:40,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005505222] [2023-11-19 04:59:40,075 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 04:59:40,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1935098377] [2023-11-19 04:59:40,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1935098377] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:59:40,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:59:40,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 04:59:40,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484837610] [2023-11-19 04:59:40,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:59:40,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 04:59:40,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:59:40,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 04:59:40,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 04:59:40,078 INFO L87 Difference]: Start difference. First operand 50 states and 57 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 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) [2023-11-19 04:59:40,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:59:40,140 INFO L93 Difference]: Finished difference Result 50 states and 57 transitions. [2023-11-19 04:59:40,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 04:59:40,141 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 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 24 [2023-11-19 04:59:40,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:59:40,143 INFO L225 Difference]: With dead ends: 50 [2023-11-19 04:59:40,143 INFO L226 Difference]: Without dead ends: 49 [2023-11-19 04:59:40,143 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-19 04:59:40,145 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 12 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:59:40,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 81 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:59:40,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2023-11-19 04:59:40,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2023-11-19 04:59:40,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 35 states have (on average 1.2571428571428571) internal successors, (44), 41 states have internal predecessors, (44), 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) [2023-11-19 04:59:40,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 56 transitions. [2023-11-19 04:59:40,156 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 56 transitions. Word has length 24 [2023-11-19 04:59:40,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:59:40,156 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 56 transitions. [2023-11-19 04:59:40,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 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) [2023-11-19 04:59:40,156 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 56 transitions. [2023-11-19 04:59:40,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 04:59:40,165 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:59:40,165 INFO L195 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] [2023-11-19 04:59:40,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-19 04:59:40,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:59:40,380 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2023-11-19 04:59:40,380 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:59:40,380 INFO L85 PathProgramCache]: Analyzing trace with hash 1813252153, now seen corresponding path program 1 times [2023-11-19 04:59:40,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:59:40,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663641922] [2023-11-19 04:59:40,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:59:40,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:59:40,402 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 04:59:40,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [151731359] [2023-11-19 04:59:40,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:59:40,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:59:40,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:59:40,404 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:59:40,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-19 04:59:40,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:59:40,470 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:59:40,472 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:59:40,605 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:59:40,605 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:59:40,605 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:59:40,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663641922] [2023-11-19 04:59:40,606 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 04:59:40,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [151731359] [2023-11-19 04:59:40,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [151731359] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:59:40,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:59:40,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:59:40,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477907417] [2023-11-19 04:59:40,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:59:40,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:59:40,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:59:40,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:59:40,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:59:40,608 INFO L87 Difference]: Start difference. First operand 49 states and 56 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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) [2023-11-19 04:59:40,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:59:40,632 INFO L93 Difference]: Finished difference Result 49 states and 56 transitions. [2023-11-19 04:59:40,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:59:40,633 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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 25 [2023-11-19 04:59:40,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:59:40,634 INFO L225 Difference]: With dead ends: 49 [2023-11-19 04:59:40,634 INFO L226 Difference]: Without dead ends: 40 [2023-11-19 04:59:40,634 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:59:40,635 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 12 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:59:40,636 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 30 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:59:40,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2023-11-19 04:59:40,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2023-11-19 04:59:40,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 27 states have (on average 1.2222222222222223) internal successors, (33), 32 states have internal predecessors, (33), 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) [2023-11-19 04:59:40,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 45 transitions. [2023-11-19 04:59:40,646 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 45 transitions. Word has length 25 [2023-11-19 04:59:40,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:59:40,646 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 45 transitions. [2023-11-19 04:59:40,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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) [2023-11-19 04:59:40,647 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 45 transitions. [2023-11-19 04:59:40,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 04:59:40,647 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:59:40,648 INFO L195 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] [2023-11-19 04:59:40,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-19 04:59:40,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:59:40,877 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2023-11-19 04:59:40,878 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:59:40,878 INFO L85 PathProgramCache]: Analyzing trace with hash -1558174729, now seen corresponding path program 1 times [2023-11-19 04:59:40,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:59:40,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668094643] [2023-11-19 04:59:40,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:59:40,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:59:40,889 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 04:59:40,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [508980962] [2023-11-19 04:59:40,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:59:40,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:59:40,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:59:40,891 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:59:40,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-19 04:59:40,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:59:40,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 04:59:40,949 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:59:41,025 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:59:41,026 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:59:41,124 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:59:41,124 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:59:41,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668094643] [2023-11-19 04:59:41,125 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 04:59:41,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [508980962] [2023-11-19 04:59:41,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [508980962] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 04:59:41,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [767871992] [2023-11-19 04:59:41,149 INFO L159 IcfgInterpreter]: Started Sifa with 21 locations of interest [2023-11-19 04:59:41,150 INFO L166 IcfgInterpreter]: Building call graph [2023-11-19 04:59:41,154 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-19 04:59:41,159 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-19 04:59:41,160 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-19 04:59:42,551 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 8 for LOIs [2023-11-19 04:59:42,554 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-19 04:59:44,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [767871992] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:59:44,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-19 04:59:44,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [6, 6] total 21 [2023-11-19 04:59:44,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622620548] [2023-11-19 04:59:44,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:59:44,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-19 04:59:44,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:59:44,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-19 04:59:44,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=350, Unknown=0, NotChecked=0, Total=462 [2023-11-19 04:59:44,219 INFO L87 Difference]: Start difference. First operand 40 states and 45 transitions. Second operand has 12 states, 10 states have (on average 1.7) internal successors, (17), 10 states have internal predecessors, (17), 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) [2023-11-19 04:59:44,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:59:44,539 INFO L93 Difference]: Finished difference Result 40 states and 45 transitions. [2023-11-19 04:59:44,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-19 04:59:44,540 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 1.7) internal successors, (17), 10 states have internal predecessors, (17), 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 28 [2023-11-19 04:59:44,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:59:44,540 INFO L225 Difference]: With dead ends: 40 [2023-11-19 04:59:44,541 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 04:59:44,541 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 61 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=112, Invalid=350, Unknown=0, NotChecked=0, Total=462 [2023-11-19 04:59:44,542 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 04:59:44,543 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 04:59:44,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 04:59:44,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 04:59:44,547 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) [2023-11-19 04:59:44,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 04:59:44,547 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2023-11-19 04:59:44,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:59:44,548 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 04:59:44,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 1.7) internal successors, (17), 10 states have internal predecessors, (17), 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) [2023-11-19 04:59:44,548 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 04:59:44,548 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 04:59:44,551 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 28 remaining) [2023-11-19 04:59:44,551 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 28 remaining) [2023-11-19 04:59:44,552 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 28 remaining) [2023-11-19 04:59:44,553 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 28 remaining) [2023-11-19 04:59:44,553 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 28 remaining) [2023-11-19 04:59:44,553 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 28 remaining) [2023-11-19 04:59:44,553 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 28 remaining) [2023-11-19 04:59:44,553 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 28 remaining) [2023-11-19 04:59:44,554 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 28 remaining) [2023-11-19 04:59:44,554 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 28 remaining) [2023-11-19 04:59:44,554 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 28 remaining) [2023-11-19 04:59:44,554 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 28 remaining) [2023-11-19 04:59:44,555 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 28 remaining) [2023-11-19 04:59:44,555 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 28 remaining) [2023-11-19 04:59:44,555 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 28 remaining) [2023-11-19 04:59:44,555 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 28 remaining) [2023-11-19 04:59:44,555 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 28 remaining) [2023-11-19 04:59:44,556 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 28 remaining) [2023-11-19 04:59:44,556 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 28 remaining) [2023-11-19 04:59:44,556 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 28 remaining) [2023-11-19 04:59:44,557 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 28 remaining) [2023-11-19 04:59:44,557 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 28 remaining) [2023-11-19 04:59:44,557 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 28 remaining) [2023-11-19 04:59:44,558 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 28 remaining) [2023-11-19 04:59:44,558 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 28 remaining) [2023-11-19 04:59:44,558 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 28 remaining) [2023-11-19 04:59:44,559 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 28 remaining) [2023-11-19 04:59:44,559 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 28 remaining) [2023-11-19 04:59:44,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-19 04:59:44,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-19 04:59:44,774 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 04:59:45,827 INFO L899 garLoopResultBuilder]: For program point L35-2(line 35) no Hoare annotation was computed. [2023-11-19 04:59:45,828 INFO L899 garLoopResultBuilder]: For program point L35-3(lines 35 43) no Hoare annotation was computed. [2023-11-19 04:59:45,828 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-19 04:59:45,828 INFO L895 garLoopResultBuilder]: At program point L35-5(lines 35 43) the Hoare annotation is: (let ((.cse14 (select |#memory_int| 1))) (let ((.cse0 (= (select |#length| 3) 12)) (.cse1 (<= 1 |#StackHeapBarrier|)) (.cse3 (= 2 (select |#length| 1))) (.cse4 (= (select |#valid| 3) 1)) (.cse2 (mod |ULTIMATE.start_main_~B~0#1| 4294967296)) (.cse5 (= |ULTIMATE.start_main_~q~0#1| 0)) (.cse6 (<= 1 |ULTIMATE.start_main_~d~0#1|)) (.cse7 (= (select |#valid| 1) 1)) (.cse8 (= |ULTIMATE.start_main_~r~0#1| (mod |ULTIMATE.start_main_~A~0#1| 4294967296))) (.cse9 (= (select |#valid| 0) 0)) (.cse10 (= (select |#valid| 2) 1)) (.cse11 (= (select .cse14 0) 48)) (.cse12 (= 10 (select |#length| 2))) (.cse13 (= (select .cse14 1) 0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_main_~p~0#1| 1) (= |ULTIMATE.start_main_~d~0#1| .cse2) .cse3 .cse4 .cse5 .cse6 (= ~counter~0 0) .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13) (and .cse0 .cse1 (<= .cse2 |ULTIMATE.start_main_~r~0#1|) .cse3 .cse4 (= 2 |ULTIMATE.start_main_~p~0#1|) (= (* 2 .cse2) |ULTIMATE.start_main_~d~0#1|) .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (= ~counter~0 1) .cse12 .cse13)))) [2023-11-19 04:59:45,828 INFO L899 garLoopResultBuilder]: For program point L60(line 60) no Hoare annotation was computed. [2023-11-19 04:59:45,829 INFO L899 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2023-11-19 04:59:45,829 INFO L899 garLoopResultBuilder]: For program point L52-1(line 52) no Hoare annotation was computed. [2023-11-19 04:59:45,829 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW(line 55) no Hoare annotation was computed. [2023-11-19 04:59:45,829 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 47) no Hoare annotation was computed. [2023-11-19 04:59:45,829 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 42) no Hoare annotation was computed. [2023-11-19 04:59:45,830 INFO L895 garLoopResultBuilder]: At program point L36(line 36) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (= (select |#length| 3) 12) (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~p~0#1| 1) (= |ULTIMATE.start_main_~d~0#1| (mod |ULTIMATE.start_main_~B~0#1| 4294967296)) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (= |ULTIMATE.start_main_~q~0#1| 0) (<= 1 |ULTIMATE.start_main_~d~0#1|) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_~r~0#1| (mod |ULTIMATE.start_main_~A~0#1| 4294967296)) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= (select .cse0 0) 48) (= ~counter~0 1) (= 10 (select |#length| 2)) (= (select .cse0 1) 0))) [2023-11-19 04:59:45,830 INFO L895 garLoopResultBuilder]: At program point L36-1(line 36) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (= (select |#length| 3) 12) (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~p~0#1| 1) (= |ULTIMATE.start_main_~d~0#1| (mod |ULTIMATE.start_main_~B~0#1| 4294967296)) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (= |ULTIMATE.start_main_~q~0#1| 0) (<= 1 |ULTIMATE.start_main_~d~0#1|) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_~r~0#1| (mod |ULTIMATE.start_main_~A~0#1| 4294967296)) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= (select .cse0 0) 48) (= ~counter~0 1) (= 10 (select |#length| 2)) (= (select .cse0 1) 0))) [2023-11-19 04:59:45,830 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2023-11-19 04:59:45,830 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2023-11-19 04:59:45,831 INFO L899 garLoopResultBuilder]: For program point L53(lines 53 56) no Hoare annotation was computed. [2023-11-19 04:59:45,831 INFO L895 garLoopResultBuilder]: At program point L53-2(lines 45 57) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_main_~q~0#1| 0)) (.cse2 (<= 1 |ULTIMATE.start_main_~d~0#1|))) (or (let ((.cse0 (mod |ULTIMATE.start_main_~B~0#1| 4294967296)) (.cse3 (select |#memory_int| 1))) (and (= (select |#length| 3) 12) (<= 1 |#StackHeapBarrier|) (<= .cse0 |ULTIMATE.start_main_~r~0#1|) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (= 2 |ULTIMATE.start_main_~p~0#1|) (= (* 2 .cse0) |ULTIMATE.start_main_~d~0#1|) .cse1 .cse2 (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_~r~0#1| (mod |ULTIMATE.start_main_~A~0#1| 4294967296)) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= (select .cse3 0) 48) (= 10 (select |#length| 2)) (= (select .cse3 1) 0) (= ~counter~0 2))) (and (<= 0 |ULTIMATE.start_main_~r~0#1|) (<= |ULTIMATE.start_main_~r~0#1| 4294967295) .cse1 .cse2 (= ~counter~0 1)))) [2023-11-19 04:59:45,831 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW(line 59) no Hoare annotation was computed. [2023-11-19 04:59:45,832 INFO L899 garLoopResultBuilder]: For program point L45(line 45) no Hoare annotation was computed. [2023-11-19 04:59:45,832 INFO L899 garLoopResultBuilder]: For program point L45-1(line 45) no Hoare annotation was computed. [2023-11-19 04:59:45,832 INFO L899 garLoopResultBuilder]: For program point L45-2(lines 45 57) no Hoare annotation was computed. [2023-11-19 04:59:45,832 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2023-11-19 04:59:45,832 INFO L899 garLoopResultBuilder]: For program point L45-4(lines 45 57) no Hoare annotation was computed. [2023-11-19 04:59:45,832 INFO L899 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2023-11-19 04:59:45,833 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2023-11-19 04:59:45,833 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2023-11-19 04:59:45,833 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2023-11-19 04:59:45,833 INFO L899 garLoopResultBuilder]: For program point L54-1(line 54) no Hoare annotation was computed. [2023-11-19 04:59:45,833 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW(line 59) no Hoare annotation was computed. [2023-11-19 04:59:45,833 INFO L899 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2023-11-19 04:59:45,834 INFO L899 garLoopResultBuilder]: For program point L46-1(line 46) no Hoare annotation was computed. [2023-11-19 04:59:45,834 INFO L899 garLoopResultBuilder]: For program point L46-2(line 46) no Hoare annotation was computed. [2023-11-19 04:59:45,835 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2023-11-19 04:59:45,835 INFO L899 garLoopResultBuilder]: For program point L46-3(line 46) no Hoare annotation was computed. [2023-11-19 04:59:45,835 INFO L895 garLoopResultBuilder]: At program point L46-4(line 46) the Hoare annotation is: false [2023-11-19 04:59:45,835 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 04:59:45,835 INFO L899 garLoopResultBuilder]: For program point L46-5(line 46) no Hoare annotation was computed. [2023-11-19 04:59:45,835 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2023-11-19 04:59:45,836 INFO L895 garLoopResultBuilder]: At program point L38-1(line 38) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (= (select |#length| 3) 12) (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~p~0#1| 1) (= |ULTIMATE.start_main_~d~0#1| (mod |ULTIMATE.start_main_~B~0#1| 4294967296)) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (= |ULTIMATE.start_main_~q~0#1| 0) (<= 1 |ULTIMATE.start_main_~d~0#1|) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_~r~0#1| (mod |ULTIMATE.start_main_~A~0#1| 4294967296)) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= (select .cse0 0) 48) (= ~counter~0 1) (= 10 (select |#length| 2)) (= (select .cse0 1) 0))) [2023-11-19 04:59:45,836 INFO L899 garLoopResultBuilder]: For program point L38-2(lines 35 43) no Hoare annotation was computed. [2023-11-19 04:59:45,836 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW(line 52) no Hoare annotation was computed. [2023-11-19 04:59:45,836 INFO L899 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2023-11-19 04:59:45,837 INFO L899 garLoopResultBuilder]: For program point L55-1(line 55) no Hoare annotation was computed. [2023-11-19 04:59:45,837 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW(line 59) no Hoare annotation was computed. [2023-11-19 04:59:45,837 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2023-11-19 04:59:45,837 INFO L895 garLoopResultBuilder]: At program point L47-1(line 47) the Hoare annotation is: false [2023-11-19 04:59:45,837 INFO L899 garLoopResultBuilder]: For program point L47-2(lines 45 57) no Hoare annotation was computed. [2023-11-19 04:59:45,837 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2023-11-19 04:59:45,838 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW(line 52) no Hoare annotation was computed. [2023-11-19 04:59:45,838 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW(line 59) no Hoare annotation was computed. [2023-11-19 04:59:45,838 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2023-11-19 04:59:45,839 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2023-11-19 04:59:45,839 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW(line 54) no Hoare annotation was computed. [2023-11-19 04:59:45,839 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2023-11-19 04:59:45,839 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2023-11-19 04:59:45,840 INFO L899 garLoopResultBuilder]: For program point L41-1(line 41) no Hoare annotation was computed. [2023-11-19 04:59:45,840 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 04:59:45,840 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2023-11-19 04:59:45,840 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW(line 54) no Hoare annotation was computed. [2023-11-19 04:59:45,840 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2023-11-19 04:59:45,840 INFO L899 garLoopResultBuilder]: For program point L42(line 42) no Hoare annotation was computed. [2023-11-19 04:59:45,841 INFO L899 garLoopResultBuilder]: For program point L42-1(line 42) no Hoare annotation was computed. [2023-11-19 04:59:45,841 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW(line 55) no Hoare annotation was computed. [2023-11-19 04:59:45,841 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-19 04:59:45,841 INFO L899 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2023-11-19 04:59:45,841 INFO L899 garLoopResultBuilder]: For program point L59-1(line 59) no Hoare annotation was computed. [2023-11-19 04:59:45,841 INFO L899 garLoopResultBuilder]: For program point L59-2(line 59) no Hoare annotation was computed. [2023-11-19 04:59:45,842 INFO L902 garLoopResultBuilder]: At program point L59-3(line 59) the Hoare annotation is: true [2023-11-19 04:59:45,842 INFO L902 garLoopResultBuilder]: At program point L59-4(line 59) the Hoare annotation is: true [2023-11-19 04:59:45,842 INFO L899 garLoopResultBuilder]: For program point L51(line 51) no Hoare annotation was computed. [2023-11-19 04:59:45,842 INFO L899 garLoopResultBuilder]: For program point L51-1(line 51) no Hoare annotation was computed. [2023-11-19 04:59:45,842 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 47) no Hoare annotation was computed. [2023-11-19 04:59:45,842 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 42) no Hoare annotation was computed. [2023-11-19 04:59:45,843 INFO L899 garLoopResultBuilder]: For program point L35-1(line 35) no Hoare annotation was computed. [2023-11-19 04:59:45,843 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 14 20) no Hoare annotation was computed. [2023-11-19 04:59:45,843 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 14 20) the Hoare annotation is: true [2023-11-19 04:59:45,847 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:59:45,851 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 04:59:45,868 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated [2023-11-19 04:59:45,872 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated [2023-11-19 04:59:45,872 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated [2023-11-19 04:59:45,873 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated [2023-11-19 04:59:45,873 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated [2023-11-19 04:59:45,874 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated [2023-11-19 04:59:45,874 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated [2023-11-19 04:59:45,874 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated [2023-11-19 04:59:45,874 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated [2023-11-19 04:59:45,874 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated [2023-11-19 04:59:45,875 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated [2023-11-19 04:59:45,875 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated [2023-11-19 04:59:45,876 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated [2023-11-19 04:59:45,877 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated [2023-11-19 04:59:45,877 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated [2023-11-19 04:59:45,878 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated [2023-11-19 04:59:45,878 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated [2023-11-19 04:59:45,878 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated [2023-11-19 04:59:45,884 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated [2023-11-19 04:59:45,885 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated [2023-11-19 04:59:45,885 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated [2023-11-19 04:59:45,886 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated [2023-11-19 04:59:45,886 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated [2023-11-19 04:59:45,886 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated [2023-11-19 04:59:45,887 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated [2023-11-19 04:59:45,887 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated [2023-11-19 04:59:45,887 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated [2023-11-19 04:59:45,889 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:59:45 BoogieIcfgContainer [2023-11-19 04:59:45,890 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:59:45,890 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:59:45,890 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:59:45,891 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:59:45,891 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:59:34" (3/4) ... [2023-11-19 04:59:45,893 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 04:59:45,897 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-19 04:59:45,907 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-11-19 04:59:45,908 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-19 04:59:45,908 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 04:59:45,909 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 04:59:46,053 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/witness.graphml [2023-11-19 04:59:46,053 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/witness.yml [2023-11-19 04:59:46,053 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:59:46,054 INFO L158 Benchmark]: Toolchain (without parser) took 12893.52ms. Allocated memory was 140.5MB in the beginning and 205.5MB in the end (delta: 65.0MB). Free memory was 95.1MB in the beginning and 64.3MB in the end (delta: 30.9MB). Peak memory consumption was 98.8MB. Max. memory is 16.1GB. [2023-11-19 04:59:46,055 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 140.5MB. Free memory is still 89.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:59:46,055 INFO L158 Benchmark]: CACSL2BoogieTranslator took 411.72ms. Allocated memory is still 140.5MB. Free memory was 95.1MB in the beginning and 84.4MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 04:59:46,055 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.41ms. Allocated memory is still 140.5MB. Free memory was 84.4MB in the beginning and 82.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:59:46,056 INFO L158 Benchmark]: Boogie Preprocessor took 59.75ms. Allocated memory is still 140.5MB. Free memory was 82.3MB in the beginning and 81.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:59:46,057 INFO L158 Benchmark]: RCFGBuilder took 715.78ms. Allocated memory was 140.5MB in the beginning and 205.5MB in the end (delta: 65.0MB). Free memory was 81.2MB in the beginning and 175.0MB in the end (delta: -93.8MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2023-11-19 04:59:46,057 INFO L158 Benchmark]: TraceAbstraction took 11445.35ms. Allocated memory is still 205.5MB. Free memory was 174.3MB in the beginning and 70.5MB in the end (delta: 103.7MB). Peak memory consumption was 104.3MB. Max. memory is 16.1GB. [2023-11-19 04:59:46,058 INFO L158 Benchmark]: Witness Printer took 163.22ms. Allocated memory is still 205.5MB. Free memory was 69.5MB in the beginning and 64.3MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 04:59:46,065 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 140.5MB. Free memory is still 89.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 411.72ms. Allocated memory is still 140.5MB. Free memory was 95.1MB in the beginning and 84.4MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.41ms. Allocated memory is still 140.5MB. Free memory was 84.4MB in the beginning and 82.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.75ms. Allocated memory is still 140.5MB. Free memory was 82.3MB in the beginning and 81.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 715.78ms. Allocated memory was 140.5MB in the beginning and 205.5MB in the end (delta: 65.0MB). Free memory was 81.2MB in the beginning and 175.0MB in the end (delta: -93.8MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. * TraceAbstraction took 11445.35ms. Allocated memory is still 205.5MB. Free memory was 174.3MB in the beginning and 70.5MB in the end (delta: 103.7MB). Peak memory consumption was 104.3MB. Max. memory is 16.1GB. * Witness Printer took 163.22ms. Allocated memory is still 205.5MB. Free memory was 69.5MB in the beginning and 64.3MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated * 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: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: 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: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: 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: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 59]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 59]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 59]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 59]: 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, 75 locations, 28 error locations. Started 1 CEGAR loops. OverallTime: 11.3s, OverallIterations: 13, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 421 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 405 mSDsluCounter, 1549 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 900 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 609 IncrementalHoareTripleChecker+Invalid, 639 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 649 mSDtfsCounter, 609 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 296 GetRequests, 240 SyntacticMatches, 1 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=135occurred in iteration=9, InterpolantAutomatonStates: 64, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 95 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 33 PreInvPairs, 41 NumberOfFragments, 487 HoareAnnotationTreeSize, 33 FomulaSimplifications, 458 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 10 FomulaSimplificationsInter, 400 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 242 NumberOfCodeBlocks, 242 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 256 ConstructedInterpolants, 0 QuantifiedInterpolants, 826 SizeOfPredicates, 14 NumberOfNonLiveVariables, 796 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 77/79 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: OVERALL_TIME: 1.4s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 29, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 32, TOOLS_POST_TIME: 0.4s, 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: 59, TOOLS_QUANTIFIERELIM_TIME: 0.8s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.1s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 74, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 26, DOMAIN_JOIN_TIME: 0.4s, 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: 29, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME: 0.2s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.2s, 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: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 614, DAG_COMPRESSION_RETAINED_NODES: 82, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 28 specifications checked. All of them hold - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: (((((((p == 1) && (d == (B % 4294967296))) && (q == 0)) && (1 <= d)) && (counter == 0)) && (r == (A % 4294967296))) || ((((((((B % 4294967296) <= r) && (2 == p)) && ((2 * (B % 4294967296)) == d)) && (q == 0)) && (1 <= d)) && (r == (A % 4294967296))) && (counter == 1))) - InvariantResult [Line: 45]: Loop Invariant Derived loop invariant: (((((((((B % 4294967296) <= r) && (2 == p)) && ((2 * (B % 4294967296)) == d)) && (q == 0)) && (1 <= d)) && (r == (A % 4294967296))) && (counter == 2)) || (((((0 <= r) && (r <= 4294967295)) && (q == 0)) && (1 <= d)) && (counter == 1))) RESULT: Ultimate proved your program to be correct! [2023-11-19 04:59:46,103 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad5c1dfb-8c2d-49ee-9eb7-63d25f75aa52/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE