./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/s3_srvr_1a.BV.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_79f42fdb-1469-4a06-aab5-9c59a925be30/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f42fdb-1469-4a06-aab5-9c59a925be30/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f42fdb-1469-4a06-aab5-9c59a925be30/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f42fdb-1469-4a06-aab5-9c59a925be30/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/s3_srvr_1a.BV.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f42fdb-1469-4a06-aab5-9c59a925be30/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f42fdb-1469-4a06-aab5-9c59a925be30/bin/uautomizer-verify-bycVGegfSx --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a3777e2ab1819fd82e3658352e2b99c7da6626d046ae65288a9623558224827f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 21:02:06,763 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 21:02:06,882 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f42fdb-1469-4a06-aab5-9c59a925be30/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-21 21:02:06,887 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 21:02:06,887 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 21:02:06,932 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 21:02:06,935 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 21:02:06,936 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 21:02:06,937 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 21:02:06,944 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 21:02:06,945 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 21:02:06,945 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 21:02:06,946 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 21:02:06,948 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 21:02:06,948 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 21:02:06,949 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 21:02:06,949 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 21:02:06,950 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 21:02:06,950 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 21:02:06,950 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 21:02:06,951 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 21:02:06,951 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 21:02:06,952 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 21:02:06,952 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 21:02:06,952 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 21:02:06,953 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 21:02:06,953 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 21:02:06,953 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 21:02:06,954 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 21:02:06,955 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 21:02:06,956 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 21:02:06,956 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 21:02:06,956 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 21:02:06,956 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 21:02:06,957 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 21:02:06,957 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 21:02:06,957 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 21:02:06,957 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 21:02:06,958 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 21:02:06,958 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 21:02:06,958 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 21:02:06,958 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 21:02:06,959 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 21:02:06,959 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 21:02:06,959 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_79f42fdb-1469-4a06-aab5-9c59a925be30/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f42fdb-1469-4a06-aab5-9c59a925be30/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3777e2ab1819fd82e3658352e2b99c7da6626d046ae65288a9623558224827f [2023-11-21 21:02:07,225 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 21:02:07,246 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 21:02:07,249 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 21:02:07,251 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 21:02:07,251 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 21:02:07,252 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f42fdb-1469-4a06-aab5-9c59a925be30/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/bitvector/s3_srvr_1a.BV.c.cil.c [2023-11-21 21:02:10,462 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 21:02:10,730 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 21:02:10,734 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f42fdb-1469-4a06-aab5-9c59a925be30/sv-benchmarks/c/bitvector/s3_srvr_1a.BV.c.cil.c [2023-11-21 21:02:10,756 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f42fdb-1469-4a06-aab5-9c59a925be30/bin/uautomizer-verify-bycVGegfSx/data/49542a781/7a1a22c31ecb4889a8a5043e7acf784a/FLAG4bad757dd [2023-11-21 21:02:10,773 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f42fdb-1469-4a06-aab5-9c59a925be30/bin/uautomizer-verify-bycVGegfSx/data/49542a781/7a1a22c31ecb4889a8a5043e7acf784a [2023-11-21 21:02:10,779 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 21:02:10,781 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 21:02:10,783 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 21:02:10,783 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 21:02:10,788 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 21:02:10,791 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:02:10" (1/1) ... [2023-11-21 21:02:10,792 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cf8939b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:10, skipping insertion in model container [2023-11-21 21:02:10,793 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:02:10" (1/1) ... [2023-11-21 21:02:10,857 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 21:02:11,151 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:02:11,162 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 21:02:11,225 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:02:11,240 INFO L206 MainTranslator]: Completed translation [2023-11-21 21:02:11,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:11 WrapperNode [2023-11-21 21:02:11,241 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 21:02:11,243 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 21:02:11,243 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 21:02:11,243 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 21:02:11,251 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:11" (1/1) ... [2023-11-21 21:02:11,263 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:11" (1/1) ... [2023-11-21 21:02:11,324 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 660 [2023-11-21 21:02:11,327 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 21:02:11,341 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 21:02:11,341 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 21:02:11,341 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 21:02:11,352 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:11" (1/1) ... [2023-11-21 21:02:11,353 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:11" (1/1) ... [2023-11-21 21:02:11,357 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:11" (1/1) ... [2023-11-21 21:02:11,371 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 21:02:11,372 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:11" (1/1) ... [2023-11-21 21:02:11,372 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:11" (1/1) ... [2023-11-21 21:02:11,383 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:11" (1/1) ... [2023-11-21 21:02:11,392 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:11" (1/1) ... [2023-11-21 21:02:11,396 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:11" (1/1) ... [2023-11-21 21:02:11,399 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:11" (1/1) ... [2023-11-21 21:02:11,404 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 21:02:11,405 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 21:02:11,405 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 21:02:11,405 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 21:02:11,406 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:11" (1/1) ... [2023-11-21 21:02:11,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 21:02:11,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f42fdb-1469-4a06-aab5-9c59a925be30/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:02:11,441 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f42fdb-1469-4a06-aab5-9c59a925be30/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 21:02:11,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f42fdb-1469-4a06-aab5-9c59a925be30/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 21:02:11,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 21:02:11,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 21:02:11,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 21:02:11,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 21:02:11,634 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 21:02:11,637 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 21:02:11,665 WARN L820 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-21 21:02:12,409 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##103: assume !false; [2023-11-21 21:02:12,410 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##102: assume false; [2023-11-21 21:02:12,410 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 21:02:12,721 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 21:02:12,722 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 21:02:12,723 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:02:12 BoogieIcfgContainer [2023-11-21 21:02:12,724 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 21:02:12,727 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 21:02:12,728 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 21:02:12,731 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 21:02:12,731 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 09:02:10" (1/3) ... [2023-11-21 21:02:12,733 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@554fbc3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:02:12, skipping insertion in model container [2023-11-21 21:02:12,733 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:02:11" (2/3) ... [2023-11-21 21:02:12,733 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@554fbc3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:02:12, skipping insertion in model container [2023-11-21 21:02:12,733 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:02:12" (3/3) ... [2023-11-21 21:02:12,735 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_srvr_1a.BV.c.cil.c [2023-11-21 21:02:12,751 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 21:02:12,751 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-21 21:02:12,807 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 21:02:12,817 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6ce75a1e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 21:02:12,817 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-11-21 21:02:12,823 INFO L276 IsEmpty]: Start isEmpty. Operand has 114 states, 109 states have (on average 1.761467889908257) internal successors, (192), 113 states have internal predecessors, (192), 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) [2023-11-21 21:02:12,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 21:02:12,834 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:02:12,834 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:02:12,836 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-21 21:02:12,842 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:02:12,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1552326678, now seen corresponding path program 1 times [2023-11-21 21:02:12,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:02:12,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784158449] [2023-11-21 21:02:12,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:02:12,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:02:13,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:02:13,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:02:13,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:02:13,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784158449] [2023-11-21 21:02:13,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784158449] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:02:13,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:02:13,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 21:02:13,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557096623] [2023-11-21 21:02:13,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:02:13,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:02:13,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:02:13,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:02:13,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:02:13,298 INFO L87 Difference]: Start difference. First operand has 114 states, 109 states have (on average 1.761467889908257) internal successors, (192), 113 states have internal predecessors, (192), 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) Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 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) [2023-11-21 21:02:13,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:02:13,572 INFO L93 Difference]: Finished difference Result 246 states and 416 transitions. [2023-11-21 21:02:13,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:02:13,575 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 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 11 [2023-11-21 21:02:13,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:02:13,589 INFO L225 Difference]: With dead ends: 246 [2023-11-21 21:02:13,589 INFO L226 Difference]: Without dead ends: 128 [2023-11-21 21:02:13,593 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:02:13,598 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 26 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-21 21:02:13,600 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 241 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-21 21:02:13,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2023-11-21 21:02:13,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 126. [2023-11-21 21:02:13,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 122 states have (on average 1.4836065573770492) internal successors, (181), 125 states have internal predecessors, (181), 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) [2023-11-21 21:02:13,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 181 transitions. [2023-11-21 21:02:13,663 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 181 transitions. Word has length 11 [2023-11-21 21:02:13,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:02:13,663 INFO L495 AbstractCegarLoop]: Abstraction has 126 states and 181 transitions. [2023-11-21 21:02:13,663 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 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) [2023-11-21 21:02:13,664 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 181 transitions. [2023-11-21 21:02:13,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 21:02:13,665 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:02:13,665 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:02:13,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 21:02:13,666 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-21 21:02:13,666 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:02:13,667 INFO L85 PathProgramCache]: Analyzing trace with hash 1319742018, now seen corresponding path program 1 times [2023-11-21 21:02:13,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:02:13,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952124011] [2023-11-21 21:02:13,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:02:13,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:02:13,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:02:13,781 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:02:13,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:02:13,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952124011] [2023-11-21 21:02:13,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952124011] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:02:13,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:02:13,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 21:02:13,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971656292] [2023-11-21 21:02:13,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:02:13,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:02:13,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:02:13,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:02:13,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:02:13,787 INFO L87 Difference]: Start difference. First operand 126 states and 181 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2023-11-21 21:02:14,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:02:14,030 INFO L93 Difference]: Finished difference Result 301 states and 449 transitions. [2023-11-21 21:02:14,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:02:14,031 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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 25 [2023-11-21 21:02:14,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:02:14,033 INFO L225 Difference]: With dead ends: 301 [2023-11-21 21:02:14,034 INFO L226 Difference]: Without dead ends: 165 [2023-11-21 21:02:14,035 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:02:14,037 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 67 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-21 21:02:14,038 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 146 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-21 21:02:14,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2023-11-21 21:02:14,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 162. [2023-11-21 21:02:14,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 158 states have (on average 1.4556962025316456) internal successors, (230), 161 states have internal predecessors, (230), 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) [2023-11-21 21:02:14,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 230 transitions. [2023-11-21 21:02:14,051 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 230 transitions. Word has length 25 [2023-11-21 21:02:14,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:02:14,051 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 230 transitions. [2023-11-21 21:02:14,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2023-11-21 21:02:14,052 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 230 transitions. [2023-11-21 21:02:14,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 21:02:14,053 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:02:14,053 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:02:14,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-21 21:02:14,054 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-21 21:02:14,054 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:02:14,055 INFO L85 PathProgramCache]: Analyzing trace with hash 348518621, now seen corresponding path program 1 times [2023-11-21 21:02:14,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:02:14,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538350524] [2023-11-21 21:02:14,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:02:14,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:02:14,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:02:14,122 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 21:02:14,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:02:14,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538350524] [2023-11-21 21:02:14,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538350524] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:02:14,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:02:14,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 21:02:14,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015629072] [2023-11-21 21:02:14,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:02:14,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:02:14,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:02:14,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:02:14,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:02:14,136 INFO L87 Difference]: Start difference. First operand 162 states and 230 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2023-11-21 21:02:14,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:02:14,375 INFO L93 Difference]: Finished difference Result 393 states and 577 transitions. [2023-11-21 21:02:14,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:02:14,375 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 28 [2023-11-21 21:02:14,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:02:14,380 INFO L225 Difference]: With dead ends: 393 [2023-11-21 21:02:14,381 INFO L226 Difference]: Without dead ends: 223 [2023-11-21 21:02:14,389 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:02:14,393 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 116 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-21 21:02:14,397 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 112 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-21 21:02:14,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2023-11-21 21:02:14,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 210. [2023-11-21 21:02:14,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 206 states have (on average 1.441747572815534) internal successors, (297), 209 states have internal predecessors, (297), 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) [2023-11-21 21:02:14,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 297 transitions. [2023-11-21 21:02:14,418 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 297 transitions. Word has length 28 [2023-11-21 21:02:14,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:02:14,426 INFO L495 AbstractCegarLoop]: Abstraction has 210 states and 297 transitions. [2023-11-21 21:02:14,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2023-11-21 21:02:14,427 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 297 transitions. [2023-11-21 21:02:14,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 21:02:14,429 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:02:14,429 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:02:14,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-21 21:02:14,430 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-21 21:02:14,431 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:02:14,431 INFO L85 PathProgramCache]: Analyzing trace with hash 1249301889, now seen corresponding path program 1 times [2023-11-21 21:02:14,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:02:14,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803782265] [2023-11-21 21:02:14,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:02:14,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:02:14,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:02:14,608 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-21 21:02:14,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:02:14,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803782265] [2023-11-21 21:02:14,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803782265] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:02:14,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:02:14,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 21:02:14,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081373533] [2023-11-21 21:02:14,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:02:14,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:02:14,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:02:14,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:02:14,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:02:14,614 INFO L87 Difference]: Start difference. First operand 210 states and 297 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) [2023-11-21 21:02:14,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:02:14,856 INFO L93 Difference]: Finished difference Result 492 states and 718 transitions. [2023-11-21 21:02:14,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:02:14,856 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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 42 [2023-11-21 21:02:14,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:02:14,859 INFO L225 Difference]: With dead ends: 492 [2023-11-21 21:02:14,859 INFO L226 Difference]: Without dead ends: 281 [2023-11-21 21:02:14,860 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:02:14,867 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 122 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-21 21:02:14,869 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 102 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-21 21:02:14,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2023-11-21 21:02:14,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 277. [2023-11-21 21:02:14,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 273 states have (on average 1.4908424908424909) internal successors, (407), 276 states have internal predecessors, (407), 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) [2023-11-21 21:02:14,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 407 transitions. [2023-11-21 21:02:14,893 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 407 transitions. Word has length 42 [2023-11-21 21:02:14,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:02:14,894 INFO L495 AbstractCegarLoop]: Abstraction has 277 states and 407 transitions. [2023-11-21 21:02:14,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) [2023-11-21 21:02:14,894 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 407 transitions. [2023-11-21 21:02:14,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-21 21:02:14,903 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:02:14,903 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:02:14,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-21 21:02:14,904 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-21 21:02:14,904 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:02:14,904 INFO L85 PathProgramCache]: Analyzing trace with hash -643695519, now seen corresponding path program 1 times [2023-11-21 21:02:14,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:02:14,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890714837] [2023-11-21 21:02:14,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:02:14,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:02:14,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:02:14,977 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-11-21 21:02:14,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:02:14,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890714837] [2023-11-21 21:02:14,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890714837] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:02:14,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:02:14,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 21:02:14,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48252169] [2023-11-21 21:02:14,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:02:14,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:02:14,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:02:14,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:02:14,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:02:14,980 INFO L87 Difference]: Start difference. First operand 277 states and 407 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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) [2023-11-21 21:02:15,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:02:15,164 INFO L93 Difference]: Finished difference Result 603 states and 894 transitions. [2023-11-21 21:02:15,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:02:15,165 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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 70 [2023-11-21 21:02:15,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:02:15,167 INFO L225 Difference]: With dead ends: 603 [2023-11-21 21:02:15,167 INFO L226 Difference]: Without dead ends: 328 [2023-11-21 21:02:15,168 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:02:15,169 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 132 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-21 21:02:15,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 98 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-21 21:02:15,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2023-11-21 21:02:15,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 289. [2023-11-21 21:02:15,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 285 states have (on average 1.4807017543859649) internal successors, (422), 288 states have internal predecessors, (422), 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) [2023-11-21 21:02:15,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 422 transitions. [2023-11-21 21:02:15,184 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 422 transitions. Word has length 70 [2023-11-21 21:02:15,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:02:15,184 INFO L495 AbstractCegarLoop]: Abstraction has 289 states and 422 transitions. [2023-11-21 21:02:15,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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) [2023-11-21 21:02:15,185 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 422 transitions. [2023-11-21 21:02:15,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-21 21:02:15,186 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:02:15,187 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:02:15,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-21 21:02:15,187 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-21 21:02:15,187 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:02:15,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1990890618, now seen corresponding path program 1 times [2023-11-21 21:02:15,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:02:15,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309723438] [2023-11-21 21:02:15,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:02:15,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:02:15,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:02:15,301 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-21 21:02:15,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:02:15,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309723438] [2023-11-21 21:02:15,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309723438] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:02:15,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:02:15,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 21:02:15,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580954106] [2023-11-21 21:02:15,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:02:15,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 21:02:15,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:02:15,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 21:02:15,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-21 21:02:15,304 INFO L87 Difference]: Start difference. First operand 289 states and 422 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 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) [2023-11-21 21:02:15,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:02:15,527 INFO L93 Difference]: Finished difference Result 631 states and 930 transitions. [2023-11-21 21:02:15,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-21 21:02:15,531 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 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 79 [2023-11-21 21:02:15,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:02:15,536 INFO L225 Difference]: With dead ends: 631 [2023-11-21 21:02:15,536 INFO L226 Difference]: Without dead ends: 344 [2023-11-21 21:02:15,537 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-21 21:02:15,538 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 93 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-21 21:02:15,539 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 185 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-21 21:02:15,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2023-11-21 21:02:15,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 334. [2023-11-21 21:02:15,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 330 states have (on average 1.396969696969697) internal successors, (461), 333 states have internal predecessors, (461), 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) [2023-11-21 21:02:15,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 461 transitions. [2023-11-21 21:02:15,555 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 461 transitions. Word has length 79 [2023-11-21 21:02:15,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:02:15,557 INFO L495 AbstractCegarLoop]: Abstraction has 334 states and 461 transitions. [2023-11-21 21:02:15,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 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) [2023-11-21 21:02:15,557 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 461 transitions. [2023-11-21 21:02:15,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-21 21:02:15,560 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:02:15,561 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:02:15,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-21 21:02:15,561 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-21 21:02:15,561 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:02:15,561 INFO L85 PathProgramCache]: Analyzing trace with hash -84922872, now seen corresponding path program 1 times [2023-11-21 21:02:15,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:02:15,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671841787] [2023-11-21 21:02:15,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:02:15,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:02:15,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:02:15,693 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-11-21 21:02:15,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:02:15,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671841787] [2023-11-21 21:02:15,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671841787] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:02:15,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:02:15,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 21:02:15,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577516825] [2023-11-21 21:02:15,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:02:15,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:02:15,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:02:15,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:02:15,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:02:15,696 INFO L87 Difference]: Start difference. First operand 334 states and 461 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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) [2023-11-21 21:02:15,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:02:15,886 INFO L93 Difference]: Finished difference Result 675 states and 932 transitions. [2023-11-21 21:02:15,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:02:15,887 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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 80 [2023-11-21 21:02:15,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:02:15,892 INFO L225 Difference]: With dead ends: 675 [2023-11-21 21:02:15,892 INFO L226 Difference]: Without dead ends: 342 [2023-11-21 21:02:15,893 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:02:15,894 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 127 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-21 21:02:15,894 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 98 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-21 21:02:15,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2023-11-21 21:02:15,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 337. [2023-11-21 21:02:15,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 333 states have (on average 1.3903903903903905) internal successors, (463), 336 states have internal predecessors, (463), 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) [2023-11-21 21:02:15,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 463 transitions. [2023-11-21 21:02:15,926 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 463 transitions. Word has length 80 [2023-11-21 21:02:15,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:02:15,927 INFO L495 AbstractCegarLoop]: Abstraction has 337 states and 463 transitions. [2023-11-21 21:02:15,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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) [2023-11-21 21:02:15,927 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 463 transitions. [2023-11-21 21:02:15,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-11-21 21:02:15,928 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:02:15,929 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:02:15,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-21 21:02:15,929 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-21 21:02:15,929 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:02:15,930 INFO L85 PathProgramCache]: Analyzing trace with hash -215297442, now seen corresponding path program 1 times [2023-11-21 21:02:15,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:02:15,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126016581] [2023-11-21 21:02:15,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:02:15,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:02:15,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:02:16,001 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-11-21 21:02:16,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:02:16,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126016581] [2023-11-21 21:02:16,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126016581] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:02:16,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:02:16,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 21:02:16,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587190897] [2023-11-21 21:02:16,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:02:16,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:02:16,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:02:16,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:02:16,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:02:16,004 INFO L87 Difference]: Start difference. First operand 337 states and 463 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 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) [2023-11-21 21:02:16,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:02:16,172 INFO L93 Difference]: Finished difference Result 705 states and 971 transitions. [2023-11-21 21:02:16,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:02:16,172 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 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 99 [2023-11-21 21:02:16,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:02:16,175 INFO L225 Difference]: With dead ends: 705 [2023-11-21 21:02:16,175 INFO L226 Difference]: Without dead ends: 370 [2023-11-21 21:02:16,176 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:02:16,176 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 22 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-21 21:02:16,177 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 204 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-21 21:02:16,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2023-11-21 21:02:16,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 360. [2023-11-21 21:02:16,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 356 states have (on average 1.3735955056179776) internal successors, (489), 359 states have internal predecessors, (489), 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) [2023-11-21 21:02:16,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 489 transitions. [2023-11-21 21:02:16,188 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 489 transitions. Word has length 99 [2023-11-21 21:02:16,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:02:16,189 INFO L495 AbstractCegarLoop]: Abstraction has 360 states and 489 transitions. [2023-11-21 21:02:16,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 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) [2023-11-21 21:02:16,189 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 489 transitions. [2023-11-21 21:02:16,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-21 21:02:16,191 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:02:16,191 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:02:16,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-21 21:02:16,192 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-21 21:02:16,192 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:02:16,192 INFO L85 PathProgramCache]: Analyzing trace with hash 1413695869, now seen corresponding path program 1 times [2023-11-21 21:02:16,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:02:16,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389028840] [2023-11-21 21:02:16,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:02:16,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:02:16,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:02:16,263 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2023-11-21 21:02:16,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:02:16,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389028840] [2023-11-21 21:02:16,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389028840] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:02:16,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:02:16,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 21:02:16,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043206567] [2023-11-21 21:02:16,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:02:16,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:02:16,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:02:16,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:02:16,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:02:16,266 INFO L87 Difference]: Start difference. First operand 360 states and 489 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 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) [2023-11-21 21:02:16,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:02:16,441 INFO L93 Difference]: Finished difference Result 751 states and 1024 transitions. [2023-11-21 21:02:16,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:02:16,442 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 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 123 [2023-11-21 21:02:16,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:02:16,447 INFO L225 Difference]: With dead ends: 751 [2023-11-21 21:02:16,447 INFO L226 Difference]: Without dead ends: 393 [2023-11-21 21:02:16,448 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:02:16,450 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 16 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-21 21:02:16,450 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 204 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-21 21:02:16,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2023-11-21 21:02:16,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 385. [2023-11-21 21:02:16,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 381 states have (on average 1.356955380577428) internal successors, (517), 384 states have internal predecessors, (517), 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) [2023-11-21 21:02:16,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 517 transitions. [2023-11-21 21:02:16,462 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 517 transitions. Word has length 123 [2023-11-21 21:02:16,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:02:16,462 INFO L495 AbstractCegarLoop]: Abstraction has 385 states and 517 transitions. [2023-11-21 21:02:16,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 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) [2023-11-21 21:02:16,463 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 517 transitions. [2023-11-21 21:02:16,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-11-21 21:02:16,464 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:02:16,465 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:02:16,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-21 21:02:16,465 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-21 21:02:16,466 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:02:16,466 INFO L85 PathProgramCache]: Analyzing trace with hash 1967763533, now seen corresponding path program 1 times [2023-11-21 21:02:16,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:02:16,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322924471] [2023-11-21 21:02:16,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:02:16,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:02:16,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:02:16,560 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2023-11-21 21:02:16,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:02:16,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322924471] [2023-11-21 21:02:16,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322924471] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:02:16,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:02:16,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 21:02:16,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269752309] [2023-11-21 21:02:16,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:02:16,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:02:16,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:02:16,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:02:16,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:02:16,563 INFO L87 Difference]: Start difference. First operand 385 states and 517 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 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) [2023-11-21 21:02:16,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:02:16,743 INFO L93 Difference]: Finished difference Result 798 states and 1072 transitions. [2023-11-21 21:02:16,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:02:16,743 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 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 127 [2023-11-21 21:02:16,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:02:16,746 INFO L225 Difference]: With dead ends: 798 [2023-11-21 21:02:16,746 INFO L226 Difference]: Without dead ends: 415 [2023-11-21 21:02:16,747 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:02:16,748 INFO L413 NwaCegarLoop]: 155 mSDtfsCounter, 32 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-21 21:02:16,749 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 209 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-21 21:02:16,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2023-11-21 21:02:16,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 404. [2023-11-21 21:02:16,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 400 states have (on average 1.3475) internal successors, (539), 403 states have internal predecessors, (539), 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) [2023-11-21 21:02:16,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 539 transitions. [2023-11-21 21:02:16,762 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 539 transitions. Word has length 127 [2023-11-21 21:02:16,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:02:16,763 INFO L495 AbstractCegarLoop]: Abstraction has 404 states and 539 transitions. [2023-11-21 21:02:16,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 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) [2023-11-21 21:02:16,763 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 539 transitions. [2023-11-21 21:02:16,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-11-21 21:02:16,765 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:02:16,766 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:02:16,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-21 21:02:16,766 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-21 21:02:16,767 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:02:16,767 INFO L85 PathProgramCache]: Analyzing trace with hash -1247900913, now seen corresponding path program 1 times [2023-11-21 21:02:16,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:02:16,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805100670] [2023-11-21 21:02:16,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:02:16,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:02:16,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:02:16,906 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 100 proven. 4 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2023-11-21 21:02:16,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:02:16,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805100670] [2023-11-21 21:02:16,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805100670] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 21:02:16,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1082788096] [2023-11-21 21:02:16,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:02:16,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 21:02:16,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f42fdb-1469-4a06-aab5-9c59a925be30/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:02:16,913 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f42fdb-1469-4a06-aab5-9c59a925be30/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 21:02:16,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f42fdb-1469-4a06-aab5-9c59a925be30/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-21 21:02:17,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:02:17,053 INFO L262 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 21:02:17,062 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 21:02:17,147 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 100 proven. 4 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2023-11-21 21:02:17,147 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 21:02:17,211 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 100 proven. 4 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2023-11-21 21:02:17,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1082788096] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 21:02:17,212 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-21 21:02:17,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2023-11-21 21:02:17,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413793864] [2023-11-21 21:02:17,212 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-21 21:02:17,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 21:02:17,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:02:17,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 21:02:17,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-21 21:02:17,214 INFO L87 Difference]: Start difference. First operand 404 states and 539 transitions. Second operand has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 6 states have internal predecessors, (115), 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) [2023-11-21 21:02:18,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:02:18,092 INFO L93 Difference]: Finished difference Result 1703 states and 2302 transitions. [2023-11-21 21:02:18,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-21 21:02:18,093 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 6 states have internal predecessors, (115), 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 140 [2023-11-21 21:02:18,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:02:18,100 INFO L225 Difference]: With dead ends: 1703 [2023-11-21 21:02:18,100 INFO L226 Difference]: Without dead ends: 1266 [2023-11-21 21:02:18,101 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2023-11-21 21:02:18,102 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 641 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 711 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 641 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 849 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 711 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-21 21:02:18,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [641 Valid, 410 Invalid, 849 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 711 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-21 21:02:18,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1266 states. [2023-11-21 21:02:18,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1266 to 1102. [2023-11-21 21:02:18,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1102 states, 1098 states have (on average 1.377959927140255) internal successors, (1513), 1101 states have internal predecessors, (1513), 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) [2023-11-21 21:02:18,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1102 states to 1102 states and 1513 transitions. [2023-11-21 21:02:18,175 INFO L78 Accepts]: Start accepts. Automaton has 1102 states and 1513 transitions. Word has length 140 [2023-11-21 21:02:18,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:02:18,176 INFO L495 AbstractCegarLoop]: Abstraction has 1102 states and 1513 transitions. [2023-11-21 21:02:18,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 6 states have internal predecessors, (115), 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) [2023-11-21 21:02:18,176 INFO L276 IsEmpty]: Start isEmpty. Operand 1102 states and 1513 transitions. [2023-11-21 21:02:18,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-11-21 21:02:18,179 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:02:18,179 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:02:18,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f42fdb-1469-4a06-aab5-9c59a925be30/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-21 21:02:18,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f42fdb-1469-4a06-aab5-9c59a925be30/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 21:02:18,389 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-21 21:02:18,389 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:02:18,390 INFO L85 PathProgramCache]: Analyzing trace with hash 1065502960, now seen corresponding path program 1 times [2023-11-21 21:02:18,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:02:18,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620851971] [2023-11-21 21:02:18,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:02:18,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:02:18,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:02:18,560 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 110 proven. 6 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2023-11-21 21:02:18,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:02:18,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620851971] [2023-11-21 21:02:18,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620851971] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 21:02:18,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1199478802] [2023-11-21 21:02:18,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:02:18,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 21:02:18,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f42fdb-1469-4a06-aab5-9c59a925be30/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:02:18,563 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f42fdb-1469-4a06-aab5-9c59a925be30/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 21:02:18,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f42fdb-1469-4a06-aab5-9c59a925be30/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-21 21:02:18,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:02:18,706 INFO L262 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 21:02:18,718 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 21:02:18,789 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 110 proven. 6 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2023-11-21 21:02:18,789 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 21:02:18,850 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 110 proven. 6 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2023-11-21 21:02:18,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1199478802] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 21:02:18,851 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-21 21:02:18,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2023-11-21 21:02:18,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263464024] [2023-11-21 21:02:18,852 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-21 21:02:18,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 21:02:18,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:02:18,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 21:02:18,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-21 21:02:18,856 INFO L87 Difference]: Start difference. First operand 1102 states and 1513 transitions. Second operand has 6 states, 6 states have (on average 20.0) internal successors, (120), 6 states have internal predecessors, (120), 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) [2023-11-21 21:02:19,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:02:19,715 INFO L93 Difference]: Finished difference Result 2817 states and 3810 transitions. [2023-11-21 21:02:19,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-21 21:02:19,716 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 20.0) internal successors, (120), 6 states have internal predecessors, (120), 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 143 [2023-11-21 21:02:19,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:02:19,726 INFO L225 Difference]: With dead ends: 2817 [2023-11-21 21:02:19,726 INFO L226 Difference]: Without dead ends: 1717 [2023-11-21 21:02:19,728 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 288 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2023-11-21 21:02:19,728 INFO L413 NwaCegarLoop]: 232 mSDtfsCounter, 505 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 882 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 505 SdHoareTripleChecker+Valid, 659 SdHoareTripleChecker+Invalid, 957 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 882 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-21 21:02:19,729 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [505 Valid, 659 Invalid, 957 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 882 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-21 21:02:19,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1717 states. [2023-11-21 21:02:19,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1717 to 1437. [2023-11-21 21:02:19,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1437 states, 1433 states have (on average 1.3377529658060014) internal successors, (1917), 1436 states have internal predecessors, (1917), 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) [2023-11-21 21:02:19,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1437 states to 1437 states and 1917 transitions. [2023-11-21 21:02:19,812 INFO L78 Accepts]: Start accepts. Automaton has 1437 states and 1917 transitions. Word has length 143 [2023-11-21 21:02:19,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:02:19,812 INFO L495 AbstractCegarLoop]: Abstraction has 1437 states and 1917 transitions. [2023-11-21 21:02:19,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.0) internal successors, (120), 6 states have internal predecessors, (120), 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) [2023-11-21 21:02:19,813 INFO L276 IsEmpty]: Start isEmpty. Operand 1437 states and 1917 transitions. [2023-11-21 21:02:19,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-21 21:02:19,815 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:02:19,816 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:02:19,845 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f42fdb-1469-4a06-aab5-9c59a925be30/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-21 21:02:20,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f42fdb-1469-4a06-aab5-9c59a925be30/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 21:02:20,037 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-21 21:02:20,037 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:02:20,037 INFO L85 PathProgramCache]: Analyzing trace with hash 2084405558, now seen corresponding path program 1 times [2023-11-21 21:02:20,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:02:20,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946756902] [2023-11-21 21:02:20,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:02:20,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:02:20,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:02:20,234 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 102 proven. 68 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-11-21 21:02:20,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:02:20,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946756902] [2023-11-21 21:02:20,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946756902] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 21:02:20,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [113131097] [2023-11-21 21:02:20,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:02:20,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 21:02:20,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f42fdb-1469-4a06-aab5-9c59a925be30/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:02:20,237 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f42fdb-1469-4a06-aab5-9c59a925be30/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 21:02:20,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f42fdb-1469-4a06-aab5-9c59a925be30/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-21 21:02:20,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:02:20,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 21:02:20,361 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 21:02:20,711 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 85 proven. 85 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-11-21 21:02:20,711 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 21:02:20,786 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 97 proven. 6 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2023-11-21 21:02:20,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [113131097] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 21:02:20,786 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-21 21:02:20,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 4] total 11 [2023-11-21 21:02:20,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601214815] [2023-11-21 21:02:20,787 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-21 21:02:20,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-21 21:02:20,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:02:20,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-21 21:02:20,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-11-21 21:02:20,790 INFO L87 Difference]: Start difference. First operand 1437 states and 1917 transitions. Second operand has 11 states, 11 states have (on average 22.0) internal successors, (242), 11 states have internal predecessors, (242), 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) [2023-11-21 21:02:22,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:02:22,853 INFO L93 Difference]: Finished difference Result 4460 states and 5860 transitions. [2023-11-21 21:02:22,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-21 21:02:22,854 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 22.0) internal successors, (242), 11 states have internal predecessors, (242), 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 150 [2023-11-21 21:02:22,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:02:22,869 INFO L225 Difference]: With dead ends: 4460 [2023-11-21 21:02:22,869 INFO L226 Difference]: Without dead ends: 3025 [2023-11-21 21:02:22,873 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 308 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=210, Invalid=492, Unknown=0, NotChecked=0, Total=702 [2023-11-21 21:02:22,874 INFO L413 NwaCegarLoop]: 259 mSDtfsCounter, 857 mSDsluCounter, 1260 mSDsCounter, 0 mSdLazyCounter, 2525 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 857 SdHoareTripleChecker+Valid, 1519 SdHoareTripleChecker+Invalid, 2615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 2525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-21 21:02:22,875 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [857 Valid, 1519 Invalid, 2615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 2525 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-21 21:02:22,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3025 states. [2023-11-21 21:02:22,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3025 to 2582. [2023-11-21 21:02:22,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2582 states, 2578 states have (on average 1.303723816912335) internal successors, (3361), 2581 states have internal predecessors, (3361), 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) [2023-11-21 21:02:22,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2582 states to 2582 states and 3361 transitions. [2023-11-21 21:02:22,963 INFO L78 Accepts]: Start accepts. Automaton has 2582 states and 3361 transitions. Word has length 150 [2023-11-21 21:02:22,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:02:22,964 INFO L495 AbstractCegarLoop]: Abstraction has 2582 states and 3361 transitions. [2023-11-21 21:02:22,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 22.0) internal successors, (242), 11 states have internal predecessors, (242), 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) [2023-11-21 21:02:22,964 INFO L276 IsEmpty]: Start isEmpty. Operand 2582 states and 3361 transitions. [2023-11-21 21:02:22,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-21 21:02:22,967 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:02:22,967 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:02:22,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f42fdb-1469-4a06-aab5-9c59a925be30/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-21 21:02:23,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f42fdb-1469-4a06-aab5-9c59a925be30/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-21 21:02:23,181 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-21 21:02:23,181 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:02:23,181 INFO L85 PathProgramCache]: Analyzing trace with hash -1268847129, now seen corresponding path program 1 times [2023-11-21 21:02:23,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:02:23,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180982853] [2023-11-21 21:02:23,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:02:23,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:02:23,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:02:23,256 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-21 21:02:23,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:02:23,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180982853] [2023-11-21 21:02:23,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180982853] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:02:23,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:02:23,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 21:02:23,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645946566] [2023-11-21 21:02:23,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:02:23,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:02:23,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:02:23,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:02:23,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:02:23,259 INFO L87 Difference]: Start difference. First operand 2582 states and 3361 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 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) [2023-11-21 21:02:23,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:02:23,449 INFO L93 Difference]: Finished difference Result 4924 states and 6383 transitions. [2023-11-21 21:02:23,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:02:23,450 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 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 153 [2023-11-21 21:02:23,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:02:23,462 INFO L225 Difference]: With dead ends: 4924 [2023-11-21 21:02:23,462 INFO L226 Difference]: Without dead ends: 2344 [2023-11-21 21:02:23,465 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:02:23,466 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 8 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-21 21:02:23,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 193 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-21 21:02:23,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2344 states. [2023-11-21 21:02:23,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2344 to 1671. [2023-11-21 21:02:23,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1671 states, 1669 states have (on average 1.2881965248651888) internal successors, (2150), 1670 states have internal predecessors, (2150), 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) [2023-11-21 21:02:23,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1671 states to 1671 states and 2150 transitions. [2023-11-21 21:02:23,530 INFO L78 Accepts]: Start accepts. Automaton has 1671 states and 2150 transitions. Word has length 153 [2023-11-21 21:02:23,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:02:23,531 INFO L495 AbstractCegarLoop]: Abstraction has 1671 states and 2150 transitions. [2023-11-21 21:02:23,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 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) [2023-11-21 21:02:23,531 INFO L276 IsEmpty]: Start isEmpty. Operand 1671 states and 2150 transitions. [2023-11-21 21:02:23,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2023-11-21 21:02:23,534 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:02:23,534 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 6, 6, 6, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:02:23,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-21 21:02:23,535 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-21 21:02:23,535 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:02:23,535 INFO L85 PathProgramCache]: Analyzing trace with hash 1063263752, now seen corresponding path program 1 times [2023-11-21 21:02:23,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:02:23,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316374042] [2023-11-21 21:02:23,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:02:23,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:02:23,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:02:23,683 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2023-11-21 21:02:23,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:02:23,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316374042] [2023-11-21 21:02:23,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316374042] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:02:23,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:02:23,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 21:02:23,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409201176] [2023-11-21 21:02:23,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:02:23,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:02:23,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:02:23,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:02:23,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:02:23,686 INFO L87 Difference]: Start difference. First operand 1671 states and 2150 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 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) [2023-11-21 21:02:23,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:02:23,869 INFO L93 Difference]: Finished difference Result 3340 states and 4298 transitions. [2023-11-21 21:02:23,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:02:23,870 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 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 185 [2023-11-21 21:02:23,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:02:23,879 INFO L225 Difference]: With dead ends: 3340 [2023-11-21 21:02:23,880 INFO L226 Difference]: Without dead ends: 1671 [2023-11-21 21:02:23,884 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:02:23,884 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 41 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-21 21:02:23,885 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 168 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-21 21:02:23,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1671 states. [2023-11-21 21:02:23,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1671 to 1665. [2023-11-21 21:02:23,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1665 states, 1663 states have (on average 1.274804570054119) internal successors, (2120), 1664 states have internal predecessors, (2120), 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) [2023-11-21 21:02:23,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1665 states to 1665 states and 2120 transitions. [2023-11-21 21:02:23,954 INFO L78 Accepts]: Start accepts. Automaton has 1665 states and 2120 transitions. Word has length 185 [2023-11-21 21:02:23,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:02:23,954 INFO L495 AbstractCegarLoop]: Abstraction has 1665 states and 2120 transitions. [2023-11-21 21:02:23,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 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) [2023-11-21 21:02:23,955 INFO L276 IsEmpty]: Start isEmpty. Operand 1665 states and 2120 transitions. [2023-11-21 21:02:23,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2023-11-21 21:02:23,957 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:02:23,958 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:02:23,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-21 21:02:23,958 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-21 21:02:23,958 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:02:23,959 INFO L85 PathProgramCache]: Analyzing trace with hash -179755849, now seen corresponding path program 1 times [2023-11-21 21:02:23,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:02:23,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575201489] [2023-11-21 21:02:23,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:02:23,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:02:23,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:02:24,216 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 165 proven. 32 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2023-11-21 21:02:24,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:02:24,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575201489] [2023-11-21 21:02:24,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575201489] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 21:02:24,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1082153704] [2023-11-21 21:02:24,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:02:24,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 21:02:24,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f42fdb-1469-4a06-aab5-9c59a925be30/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:02:24,219 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f42fdb-1469-4a06-aab5-9c59a925be30/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 21:02:24,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f42fdb-1469-4a06-aab5-9c59a925be30/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-21 21:02:24,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:02:24,337 INFO L262 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 21:02:24,341 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 21:02:24,671 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 114 proven. 83 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2023-11-21 21:02:24,671 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 21:02:24,910 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 165 proven. 32 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2023-11-21 21:02:24,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1082153704] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 21:02:24,911 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-21 21:02:24,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2023-11-21 21:02:24,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334595438] [2023-11-21 21:02:24,911 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-21 21:02:24,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-21 21:02:24,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:02:24,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-21 21:02:24,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-21 21:02:24,913 INFO L87 Difference]: Start difference. First operand 1665 states and 2120 transitions. Second operand has 7 states, 7 states have (on average 19.0) internal successors, (133), 7 states have internal predecessors, (133), 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) [2023-11-21 21:02:25,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:02:25,386 INFO L93 Difference]: Finished difference Result 2745 states and 3486 transitions. [2023-11-21 21:02:25,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-21 21:02:25,387 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 19.0) internal successors, (133), 7 states have internal predecessors, (133), 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 186 [2023-11-21 21:02:25,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:02:25,391 INFO L225 Difference]: With dead ends: 2745 [2023-11-21 21:02:25,391 INFO L226 Difference]: Without dead ends: 819 [2023-11-21 21:02:25,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 378 GetRequests, 371 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-11-21 21:02:25,394 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 156 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 548 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-21 21:02:25,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 506 Invalid, 584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 548 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-21 21:02:25,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2023-11-21 21:02:25,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 811. [2023-11-21 21:02:25,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 811 states, 809 states have (on average 1.280593325092707) internal successors, (1036), 810 states have internal predecessors, (1036), 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) [2023-11-21 21:02:25,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 1036 transitions. [2023-11-21 21:02:25,425 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 1036 transitions. Word has length 186 [2023-11-21 21:02:25,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:02:25,426 INFO L495 AbstractCegarLoop]: Abstraction has 811 states and 1036 transitions. [2023-11-21 21:02:25,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.0) internal successors, (133), 7 states have internal predecessors, (133), 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) [2023-11-21 21:02:25,426 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1036 transitions. [2023-11-21 21:02:25,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2023-11-21 21:02:25,429 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:02:25,429 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 7, 6, 6, 5, 5, 4, 4, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:02:25,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f42fdb-1469-4a06-aab5-9c59a925be30/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-21 21:02:25,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f42fdb-1469-4a06-aab5-9c59a925be30/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 21:02:25,645 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-21 21:02:25,645 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:02:25,645 INFO L85 PathProgramCache]: Analyzing trace with hash 1110438241, now seen corresponding path program 1 times [2023-11-21 21:02:25,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:02:25,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418976448] [2023-11-21 21:02:25,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:02:25,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:02:25,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:02:25,751 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2023-11-21 21:02:25,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:02:25,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418976448] [2023-11-21 21:02:25,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418976448] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:02:25,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:02:25,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 21:02:25,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450336236] [2023-11-21 21:02:25,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:02:25,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:02:25,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:02:25,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:02:25,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:02:25,754 INFO L87 Difference]: Start difference. First operand 811 states and 1036 transitions. Second operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 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) [2023-11-21 21:02:25,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:02:25,934 INFO L93 Difference]: Finished difference Result 1722 states and 2190 transitions. [2023-11-21 21:02:25,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:02:25,935 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 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 209 [2023-11-21 21:02:25,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:02:25,940 INFO L225 Difference]: With dead ends: 1722 [2023-11-21 21:02:25,940 INFO L226 Difference]: Without dead ends: 913 [2023-11-21 21:02:25,941 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:02:25,942 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 8 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-21 21:02:25,943 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 191 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-21 21:02:25,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 913 states. [2023-11-21 21:02:25,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 913 to 907. [2023-11-21 21:02:25,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 907 states, 905 states have (on average 1.2607734806629833) internal successors, (1141), 906 states have internal predecessors, (1141), 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) [2023-11-21 21:02:25,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 907 states and 1141 transitions. [2023-11-21 21:02:25,976 INFO L78 Accepts]: Start accepts. Automaton has 907 states and 1141 transitions. Word has length 209 [2023-11-21 21:02:25,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:02:25,976 INFO L495 AbstractCegarLoop]: Abstraction has 907 states and 1141 transitions. [2023-11-21 21:02:25,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 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) [2023-11-21 21:02:25,977 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1141 transitions. [2023-11-21 21:02:25,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2023-11-21 21:02:25,980 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:02:25,981 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 8, 8, 8, 7, 7, 6, 6, 5, 5, 4, 4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:02:25,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-21 21:02:25,981 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-21 21:02:25,982 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:02:25,982 INFO L85 PathProgramCache]: Analyzing trace with hash 337785393, now seen corresponding path program 1 times [2023-11-21 21:02:25,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:02:25,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588027529] [2023-11-21 21:02:25,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:02:25,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:02:26,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:02:26,095 INFO L134 CoverageAnalysis]: Checked inductivity of 691 backedges. 231 proven. 0 refuted. 0 times theorem prover too weak. 460 trivial. 0 not checked. [2023-11-21 21:02:26,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:02:26,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588027529] [2023-11-21 21:02:26,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588027529] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:02:26,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:02:26,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 21:02:26,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631968480] [2023-11-21 21:02:26,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:02:26,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:02:26,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:02:26,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:02:26,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:02:26,098 INFO L87 Difference]: Start difference. First operand 907 states and 1141 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 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) [2023-11-21 21:02:26,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:02:26,283 INFO L93 Difference]: Finished difference Result 1833 states and 2316 transitions. [2023-11-21 21:02:26,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:02:26,284 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 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 239 [2023-11-21 21:02:26,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:02:26,289 INFO L225 Difference]: With dead ends: 1833 [2023-11-21 21:02:26,289 INFO L226 Difference]: Without dead ends: 928 [2023-11-21 21:02:26,291 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:02:26,291 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 8 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-21 21:02:26,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 191 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-21 21:02:26,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 928 states. [2023-11-21 21:02:26,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 928 to 922. [2023-11-21 21:02:26,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 922 states, 920 states have (on average 1.2565217391304349) internal successors, (1156), 921 states have internal predecessors, (1156), 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) [2023-11-21 21:02:26,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 922 states to 922 states and 1156 transitions. [2023-11-21 21:02:26,322 INFO L78 Accepts]: Start accepts. Automaton has 922 states and 1156 transitions. Word has length 239 [2023-11-21 21:02:26,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:02:26,323 INFO L495 AbstractCegarLoop]: Abstraction has 922 states and 1156 transitions. [2023-11-21 21:02:26,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 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) [2023-11-21 21:02:26,323 INFO L276 IsEmpty]: Start isEmpty. Operand 922 states and 1156 transitions. [2023-11-21 21:02:26,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2023-11-21 21:02:26,327 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:02:26,327 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 9, 9, 9, 8, 8, 7, 7, 6, 6, 5, 5, 5, 5, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:02:26,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-21 21:02:26,328 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-21 21:02:26,328 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:02:26,328 INFO L85 PathProgramCache]: Analyzing trace with hash 1835839270, now seen corresponding path program 1 times [2023-11-21 21:02:26,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:02:26,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380793317] [2023-11-21 21:02:26,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:02:26,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:02:26,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:02:26,670 INFO L134 CoverageAnalysis]: Checked inductivity of 890 backedges. 341 proven. 56 refuted. 0 times theorem prover too weak. 493 trivial. 0 not checked. [2023-11-21 21:02:26,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:02:26,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380793317] [2023-11-21 21:02:26,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380793317] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 21:02:26,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [903922459] [2023-11-21 21:02:26,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:02:26,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 21:02:26,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f42fdb-1469-4a06-aab5-9c59a925be30/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:02:26,673 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f42fdb-1469-4a06-aab5-9c59a925be30/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 21:02:26,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f42fdb-1469-4a06-aab5-9c59a925be30/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-21 21:02:26,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:02:26,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 21:02:26,831 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 21:02:26,877 INFO L134 CoverageAnalysis]: Checked inductivity of 890 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 812 trivial. 0 not checked. [2023-11-21 21:02:26,877 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 21:02:26,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [903922459] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:02:26,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-21 21:02:26,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2023-11-21 21:02:26,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118727211] [2023-11-21 21:02:26,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:02:26,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:02:26,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:02:26,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:02:26,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-21 21:02:26,881 INFO L87 Difference]: Start difference. First operand 922 states and 1156 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 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) [2023-11-21 21:02:27,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:02:27,091 INFO L93 Difference]: Finished difference Result 1845 states and 2313 transitions. [2023-11-21 21:02:27,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:02:27,091 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 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 271 [2023-11-21 21:02:27,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:02:27,097 INFO L225 Difference]: With dead ends: 1845 [2023-11-21 21:02:27,098 INFO L226 Difference]: Without dead ends: 925 [2023-11-21 21:02:27,099 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-21 21:02:27,100 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 35 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-21 21:02:27,100 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 191 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-21 21:02:27,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 925 states. [2023-11-21 21:02:27,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 925 to 630. [2023-11-21 21:02:27,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 630 states, 628 states have (on average 1.2181528662420382) internal successors, (765), 629 states have internal predecessors, (765), 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) [2023-11-21 21:02:27,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 630 states and 765 transitions. [2023-11-21 21:02:27,126 INFO L78 Accepts]: Start accepts. Automaton has 630 states and 765 transitions. Word has length 271 [2023-11-21 21:02:27,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:02:27,127 INFO L495 AbstractCegarLoop]: Abstraction has 630 states and 765 transitions. [2023-11-21 21:02:27,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 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) [2023-11-21 21:02:27,127 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 765 transitions. [2023-11-21 21:02:27,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2023-11-21 21:02:27,134 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:02:27,134 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 12, 12, 12, 11, 11, 10, 10, 9, 9, 8, 8, 8, 8, 6, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:02:27,160 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f42fdb-1469-4a06-aab5-9c59a925be30/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-21 21:02:27,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f42fdb-1469-4a06-aab5-9c59a925be30/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 21:02:27,349 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-21 21:02:27,349 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:02:27,349 INFO L85 PathProgramCache]: Analyzing trace with hash -1046010056, now seen corresponding path program 1 times [2023-11-21 21:02:27,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 21:02:27,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441405461] [2023-11-21 21:02:27,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:02:27,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 21:02:27,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:02:27,812 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 442 proven. 322 refuted. 0 times theorem prover too weak. 889 trivial. 0 not checked. [2023-11-21 21:02:27,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 21:02:27,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441405461] [2023-11-21 21:02:27,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441405461] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 21:02:27,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [405781014] [2023-11-21 21:02:27,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:02:27,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 21:02:27,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f42fdb-1469-4a06-aab5-9c59a925be30/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:02:27,815 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f42fdb-1469-4a06-aab5-9c59a925be30/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 21:02:27,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f42fdb-1469-4a06-aab5-9c59a925be30/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-21 21:02:27,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:02:27,993 INFO L262 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 21:02:27,999 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 21:02:28,172 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 407 proven. 40 refuted. 0 times theorem prover too weak. 1206 trivial. 0 not checked. [2023-11-21 21:02:28,172 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 21:02:28,250 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 353 proven. 8 refuted. 0 times theorem prover too weak. 1292 trivial. 0 not checked. [2023-11-21 21:02:28,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [405781014] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 21:02:28,251 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-21 21:02:28,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 4] total 11 [2023-11-21 21:02:28,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65049904] [2023-11-21 21:02:28,254 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-21 21:02:28,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-21 21:02:28,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 21:02:28,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-21 21:02:28,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-11-21 21:02:28,257 INFO L87 Difference]: Start difference. First operand 630 states and 765 transitions. Second operand has 11 states, 11 states have (on average 27.818181818181817) internal successors, (306), 11 states have internal predecessors, (306), 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) [2023-11-21 21:02:29,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:02:29,064 INFO L93 Difference]: Finished difference Result 1277 states and 1532 transitions. [2023-11-21 21:02:29,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-21 21:02:29,065 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 27.818181818181817) internal successors, (306), 11 states have internal predecessors, (306), 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 376 [2023-11-21 21:02:29,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:02:29,066 INFO L225 Difference]: With dead ends: 1277 [2023-11-21 21:02:29,066 INFO L226 Difference]: Without dead ends: 0 [2023-11-21 21:02:29,068 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 768 GetRequests, 753 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2023-11-21 21:02:29,068 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 384 mSDsluCounter, 495 mSDsCounter, 0 mSdLazyCounter, 1079 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 384 SdHoareTripleChecker+Valid, 631 SdHoareTripleChecker+Invalid, 1136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 1079 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-21 21:02:29,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [384 Valid, 631 Invalid, 1136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 1079 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-21 21:02:29,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-21 21:02:29,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-21 21:02:29,069 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) [2023-11-21 21:02:29,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-21 21:02:29,070 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 376 [2023-11-21 21:02:29,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:02:29,070 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 21:02:29,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 27.818181818181817) internal successors, (306), 11 states have internal predecessors, (306), 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) [2023-11-21 21:02:29,070 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-21 21:02:29,070 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 21:02:29,073 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2023-11-21 21:02:29,074 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2023-11-21 21:02:29,074 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2023-11-21 21:02:29,074 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2023-11-21 21:02:29,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f42fdb-1469-4a06-aab5-9c59a925be30/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-21 21:02:29,289 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f42fdb-1469-4a06-aab5-9c59a925be30/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 21:02:29,292 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-21 21:02:30,168 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 270) no Hoare annotation was computed. [2023-11-21 21:02:30,169 INFO L899 garLoopResultBuilder]: For program point L465(lines 465 469) no Hoare annotation was computed. [2023-11-21 21:02:30,169 INFO L899 garLoopResultBuilder]: For program point ssl3_accept_switch_1_8593#1(lines 184 614) no Hoare annotation was computed. [2023-11-21 21:02:30,169 INFO L899 garLoopResultBuilder]: For program point ssl3_accept_switch_1_8529#1(lines 157 623) no Hoare annotation was computed. [2023-11-21 21:02:30,169 INFO L899 garLoopResultBuilder]: For program point L268(line 268) no Hoare annotation was computed. [2023-11-21 21:02:30,169 INFO L899 garLoopResultBuilder]: For program point L268-1(line 268) no Hoare annotation was computed. [2023-11-21 21:02:30,169 INFO L899 garLoopResultBuilder]: For program point L202(lines 202 608) no Hoare annotation was computed. [2023-11-21 21:02:30,170 INFO L899 garLoopResultBuilder]: For program point L169(lines 169 619) no Hoare annotation was computed. [2023-11-21 21:02:30,170 INFO L899 garLoopResultBuilder]: For program point L136(lines 136 630) no Hoare annotation was computed. [2023-11-21 21:02:30,170 INFO L899 garLoopResultBuilder]: For program point ssl3_accept_switch_1_8497#1(lines 145 627) no Hoare annotation was computed. [2023-11-21 21:02:30,172 INFO L899 garLoopResultBuilder]: For program point L335(lines 335 339) no Hoare annotation was computed. [2023-11-21 21:02:30,173 INFO L899 garLoopResultBuilder]: For program point L270(line 270) no Hoare annotation was computed. [2023-11-21 21:02:30,173 INFO L899 garLoopResultBuilder]: For program point L270-1(line 270) no Hoare annotation was computed. [2023-11-21 21:02:30,173 INFO L899 garLoopResultBuilder]: For program point L568(lines 568 572) no Hoare annotation was computed. [2023-11-21 21:02:30,173 INFO L899 garLoopResultBuilder]: For program point L436(lines 436 440) no Hoare annotation was computed. [2023-11-21 21:02:30,173 INFO L899 garLoopResultBuilder]: For program point L370(lines 352 388) no Hoare annotation was computed. [2023-11-21 21:02:30,173 INFO L899 garLoopResultBuilder]: For program point L205(lines 205 607) no Hoare annotation was computed. [2023-11-21 21:02:30,174 INFO L899 garLoopResultBuilder]: For program point L172(lines 172 618) no Hoare annotation was computed. [2023-11-21 21:02:30,174 INFO L899 garLoopResultBuilder]: For program point L139(lines 139 629) no Hoare annotation was computed. [2023-11-21 21:02:30,174 INFO L899 garLoopResultBuilder]: For program point L470(lines 470 481) no Hoare annotation was computed. [2023-11-21 21:02:30,174 INFO L899 garLoopResultBuilder]: For program point L536-2(lines 219 600) no Hoare annotation was computed. [2023-11-21 21:02:30,174 INFO L899 garLoopResultBuilder]: For program point L239(lines 239 250) no Hoare annotation was computed. [2023-11-21 21:02:30,174 INFO L899 garLoopResultBuilder]: For program point L239-2(lines 239 250) no Hoare annotation was computed. [2023-11-21 21:02:30,175 INFO L899 garLoopResultBuilder]: For program point L372(lines 372 376) no Hoare annotation was computed. [2023-11-21 21:02:30,175 INFO L899 garLoopResultBuilder]: For program point L405-3(lines 405 425) no Hoare annotation was computed. [2023-11-21 21:02:30,175 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 270) no Hoare annotation was computed. [2023-11-21 21:02:30,175 INFO L899 garLoopResultBuilder]: For program point L670(lines 75 687) no Hoare annotation was computed. [2023-11-21 21:02:30,175 INFO L899 garLoopResultBuilder]: For program point L406-4(lines 406 412) no Hoare annotation was computed. [2023-11-21 21:02:30,175 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 246) no Hoare annotation was computed. [2023-11-21 21:02:30,175 INFO L899 garLoopResultBuilder]: For program point L208(lines 208 606) no Hoare annotation was computed. [2023-11-21 21:02:30,176 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 617) no Hoare annotation was computed. [2023-11-21 21:02:30,176 INFO L899 garLoopResultBuilder]: For program point L142(lines 142 628) no Hoare annotation was computed. [2023-11-21 21:02:30,180 INFO L895 garLoopResultBuilder]: At program point L109-2(lines 109 669) the Hoare annotation is: (let ((.cse5 (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|))) (let ((.cse2 (not .cse5)) (.cse7 (<= 8656 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse8 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672)) (.cse0 (= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse3 (not (= 8192 |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1|))) (.cse4 (not (= 8195 |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1|))) (.cse6 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 12291)) (.cse9 (= 8576 |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1|)) (.cse1 (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8640)) (.cse10 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8640))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8608) .cse5 .cse6) (= 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (and .cse2 .cse7 .cse8) (and (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8512) .cse5) (and .cse4 .cse7 .cse8) (and (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8528) .cse5) (and .cse3 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 3) .cse6) (and .cse9 (= 8576 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse5) (and .cse3 .cse4 .cse5 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8592) .cse6) (= 8464 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (and (= 8560 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse5) (and (= 3 |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1|) .cse0 .cse5) (and .cse3 .cse4 .cse5 .cse10 .cse6) (and .cse9 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8466) .cse5 (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (and .cse1 .cse10) (and .cse5 (= 8544 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))))) [2023-11-21 21:02:30,180 INFO L899 garLoopResultBuilder]: For program point L639(lines 639 667) no Hoare annotation was computed. [2023-11-21 21:02:30,180 INFO L899 garLoopResultBuilder]: For program point L474(lines 474 478) no Hoare annotation was computed. [2023-11-21 21:02:30,180 INFO L899 garLoopResultBuilder]: For program point L640(lines 640 664) no Hoare annotation was computed. [2023-11-21 21:02:30,180 INFO L899 garLoopResultBuilder]: For program point L508-2(lines 219 600) no Hoare annotation was computed. [2023-11-21 21:02:30,181 INFO L899 garLoopResultBuilder]: For program point ssl3_accept_switch_1_8481#1(lines 127 633) no Hoare annotation was computed. [2023-11-21 21:02:30,181 INFO L899 garLoopResultBuilder]: For program point L211(lines 211 605) no Hoare annotation was computed. [2023-11-21 21:02:30,181 INFO L899 garLoopResultBuilder]: For program point L178(lines 178 616) no Hoare annotation was computed. [2023-11-21 21:02:30,181 INFO L899 garLoopResultBuilder]: For program point L145(lines 145 627) no Hoare annotation was computed. [2023-11-21 21:02:30,181 INFO L899 garLoopResultBuilder]: For program point L112(lines 112 638) no Hoare annotation was computed. [2023-11-21 21:02:30,181 INFO L899 garLoopResultBuilder]: For program point L641(lines 641 650) no Hoare annotation was computed. [2023-11-21 21:02:30,181 INFO L899 garLoopResultBuilder]: For program point L641-2(lines 640 662) no Hoare annotation was computed. [2023-11-21 21:02:30,182 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 282) no Hoare annotation was computed. [2023-11-21 21:02:30,182 INFO L899 garLoopResultBuilder]: For program point L312-2(lines 219 600) no Hoare annotation was computed. [2023-11-21 21:02:30,182 INFO L899 garLoopResultBuilder]: For program point L643(lines 643 647) no Hoare annotation was computed. [2023-11-21 21:02:30,183 INFO L899 garLoopResultBuilder]: For program point L181(lines 181 615) no Hoare annotation was computed. [2023-11-21 21:02:30,183 INFO L899 garLoopResultBuilder]: For program point L148(lines 148 626) no Hoare annotation was computed. [2023-11-21 21:02:30,183 INFO L899 garLoopResultBuilder]: For program point L115(lines 115 637) no Hoare annotation was computed. [2023-11-21 21:02:30,183 INFO L899 garLoopResultBuilder]: For program point L347-6(lines 219 600) no Hoare annotation was computed. [2023-11-21 21:02:30,183 INFO L899 garLoopResultBuilder]: For program point L447(lines 447 459) no Hoare annotation was computed. [2023-11-21 21:02:30,185 INFO L899 garLoopResultBuilder]: For program point L414(lines 405 425) no Hoare annotation was computed. [2023-11-21 21:02:30,185 INFO L899 garLoopResultBuilder]: For program point L447-2(lines 447 459) no Hoare annotation was computed. [2023-11-21 21:02:30,185 INFO L899 garLoopResultBuilder]: For program point ssl3_accept_switch_1_8657#1(lines 202 608) no Hoare annotation was computed. [2023-11-21 21:02:30,186 INFO L899 garLoopResultBuilder]: For program point L184(lines 184 614) no Hoare annotation was computed. [2023-11-21 21:02:30,186 INFO L899 garLoopResultBuilder]: For program point L151(lines 151 625) no Hoare annotation was computed. [2023-11-21 21:02:30,186 INFO L899 garLoopResultBuilder]: For program point L118(lines 118 636) no Hoare annotation was computed. [2023-11-21 21:02:30,186 INFO L899 garLoopResultBuilder]: For program point L549(lines 549 554) no Hoare annotation was computed. [2023-11-21 21:02:30,186 INFO L899 garLoopResultBuilder]: For program point L450(lines 450 455) no Hoare annotation was computed. [2023-11-21 21:02:30,186 INFO L899 garLoopResultBuilder]: For program point L417(lines 417 421) no Hoare annotation was computed. [2023-11-21 21:02:30,186 INFO L899 garLoopResultBuilder]: For program point L252(lines 252 257) no Hoare annotation was computed. [2023-11-21 21:02:30,187 INFO L899 garLoopResultBuilder]: For program point L187(lines 187 613) no Hoare annotation was computed. [2023-11-21 21:02:30,187 INFO L899 garLoopResultBuilder]: For program point L154(lines 154 624) no Hoare annotation was computed. [2023-11-21 21:02:30,187 INFO L899 garLoopResultBuilder]: For program point L121(lines 121 635) no Hoare annotation was computed. [2023-11-21 21:02:30,187 INFO L899 garLoopResultBuilder]: For program point L486(lines 486 490) no Hoare annotation was computed. [2023-11-21 21:02:30,187 INFO L899 garLoopResultBuilder]: For program point L222(lines 115 637) no Hoare annotation was computed. [2023-11-21 21:02:30,187 INFO L899 garLoopResultBuilder]: For program point ssl3_accept_switch_1_8577#1(lines 178 616) no Hoare annotation was computed. [2023-11-21 21:02:30,187 INFO L899 garLoopResultBuilder]: For program point L685(lines 75 687) no Hoare annotation was computed. [2023-11-21 21:02:30,188 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-21 21:02:30,188 INFO L899 garLoopResultBuilder]: For program point L355-4(lines 355 387) no Hoare annotation was computed. [2023-11-21 21:02:30,188 INFO L899 garLoopResultBuilder]: For program point L190(lines 190 612) no Hoare annotation was computed. [2023-11-21 21:02:30,188 INFO L899 garLoopResultBuilder]: For program point L157(lines 157 623) no Hoare annotation was computed. [2023-11-21 21:02:30,188 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 634) no Hoare annotation was computed. [2023-11-21 21:02:30,188 INFO L899 garLoopResultBuilder]: For program point ssl3_accept_switch_1_8641#1(lines 196 610) no Hoare annotation was computed. [2023-11-21 21:02:30,188 INFO L899 garLoopResultBuilder]: For program point $Ultimate##195(lines 394 431) no Hoare annotation was computed. [2023-11-21 21:02:30,188 INFO L899 garLoopResultBuilder]: For program point ssl3_accept_ERROR#1(lines 75 687) no Hoare annotation was computed. [2023-11-21 21:02:30,189 INFO L899 garLoopResultBuilder]: For program point L93-5(lines 75 687) no Hoare annotation was computed. [2023-11-21 21:02:30,189 INFO L899 garLoopResultBuilder]: For program point L358(lines 358 386) no Hoare annotation was computed. [2023-11-21 21:02:30,189 INFO L899 garLoopResultBuilder]: For program point $Ultimate##137(line 331) no Hoare annotation was computed. [2023-11-21 21:02:30,189 INFO L899 garLoopResultBuilder]: For program point L358-1(lines 358 386) no Hoare annotation was computed. [2023-11-21 21:02:30,189 INFO L899 garLoopResultBuilder]: For program point L259(lines 259 272) no Hoare annotation was computed. [2023-11-21 21:02:30,189 INFO L899 garLoopResultBuilder]: For program point L193(lines 193 611) no Hoare annotation was computed. [2023-11-21 21:02:30,189 INFO L899 garLoopResultBuilder]: For program point L160(lines 160 622) no Hoare annotation was computed. [2023-11-21 21:02:30,190 INFO L899 garLoopResultBuilder]: For program point L127(lines 127 633) no Hoare annotation was computed. [2023-11-21 21:02:30,190 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 268) no Hoare annotation was computed. [2023-11-21 21:02:30,190 INFO L899 garLoopResultBuilder]: For program point ssl3_accept_switch_1_8673#1(lines 208 606) no Hoare annotation was computed. [2023-11-21 21:02:30,190 INFO L899 garLoopResultBuilder]: For program point L359(lines 359 383) no Hoare annotation was computed. [2023-11-21 21:02:30,190 INFO L899 garLoopResultBuilder]: For program point L227-2(lines 219 600) no Hoare annotation was computed. [2023-11-21 21:02:30,190 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 268) no Hoare annotation was computed. [2023-11-21 21:02:30,191 INFO L899 garLoopResultBuilder]: For program point ssl3_accept_switch_1_8609#1(lines 190 612) no Hoare annotation was computed. [2023-11-21 21:02:30,191 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-21 21:02:30,191 INFO L899 garLoopResultBuilder]: For program point L261(lines 261 266) no Hoare annotation was computed. [2023-11-21 21:02:30,191 INFO L899 garLoopResultBuilder]: For program point $Ultimate##279(lines 639 667) no Hoare annotation was computed. [2023-11-21 21:02:30,191 INFO L899 garLoopResultBuilder]: For program point ssl3_accept_switch_1_8466#1(lines 136 630) no Hoare annotation was computed. [2023-11-21 21:02:30,191 INFO L899 garLoopResultBuilder]: For program point L559(lines 559 567) no Hoare annotation was computed. [2023-11-21 21:02:30,191 INFO L899 garLoopResultBuilder]: For program point L295-2(lines 219 600) no Hoare annotation was computed. [2023-11-21 21:02:30,192 INFO L899 garLoopResultBuilder]: For program point L196(lines 196 610) no Hoare annotation was computed. [2023-11-21 21:02:30,192 INFO L899 garLoopResultBuilder]: For program point L163(lines 163 621) no Hoare annotation was computed. [2023-11-21 21:02:30,193 INFO L899 garLoopResultBuilder]: For program point L130(lines 130 632) no Hoare annotation was computed. [2023-11-21 21:02:30,193 INFO L899 garLoopResultBuilder]: For program point $Ultimate##209(line 405) no Hoare annotation was computed. [2023-11-21 21:02:30,193 INFO L899 garLoopResultBuilder]: For program point L395(lines 395 426) no Hoare annotation was computed. [2023-11-21 21:02:30,193 INFO L899 garLoopResultBuilder]: For program point L362-4(lines 362 382) no Hoare annotation was computed. [2023-11-21 21:02:30,193 INFO L899 garLoopResultBuilder]: For program point L396-4(lines 396 402) no Hoare annotation was computed. [2023-11-21 21:02:30,193 INFO L899 garLoopResultBuilder]: For program point ssl3_accept_switch_1_8561#1(lines 169 619) no Hoare annotation was computed. [2023-11-21 21:02:30,193 INFO L899 garLoopResultBuilder]: For program point L562(lines 562 566) no Hoare annotation was computed. [2023-11-21 21:02:30,194 INFO L899 garLoopResultBuilder]: For program point L529(lines 529 534) no Hoare annotation was computed. [2023-11-21 21:02:30,194 INFO L899 garLoopResultBuilder]: For program point L331-3(lines 331 340) no Hoare annotation was computed. [2023-11-21 21:02:30,194 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 609) no Hoare annotation was computed. [2023-11-21 21:02:30,194 INFO L899 garLoopResultBuilder]: For program point L166(lines 166 620) no Hoare annotation was computed. [2023-11-21 21:02:30,194 INFO L899 garLoopResultBuilder]: For program point L331-5(lines 331 340) no Hoare annotation was computed. [2023-11-21 21:02:30,194 INFO L899 garLoopResultBuilder]: For program point L364-6(lines 362 380) no Hoare annotation was computed. [2023-11-21 21:02:30,194 INFO L899 garLoopResultBuilder]: For program point L133(lines 133 631) no Hoare annotation was computed. [2023-11-21 21:02:30,195 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 501) no Hoare annotation was computed. [2023-11-21 21:02:30,199 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:02:30,201 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 21:02:30,225 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 09:02:30 BoogieIcfgContainer [2023-11-21 21:02:30,225 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 21:02:30,225 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 21:02:30,225 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 21:02:30,226 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 21:02:30,226 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:02:12" (3/4) ... [2023-11-21 21:02:30,228 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 21:02:30,257 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2023-11-21 21:02:30,259 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-21 21:02:30,261 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-21 21:02:30,263 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 21:02:30,485 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f42fdb-1469-4a06-aab5-9c59a925be30/bin/uautomizer-verify-bycVGegfSx/witness.graphml [2023-11-21 21:02:30,486 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f42fdb-1469-4a06-aab5-9c59a925be30/bin/uautomizer-verify-bycVGegfSx/witness.yml [2023-11-21 21:02:30,486 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 21:02:30,488 INFO L158 Benchmark]: Toolchain (without parser) took 19706.11ms. Allocated memory was 155.2MB in the beginning and 274.7MB in the end (delta: 119.5MB). Free memory was 112.8MB in the beginning and 231.7MB in the end (delta: -118.9MB). Peak memory consumption was 157.7MB. Max. memory is 16.1GB. [2023-11-21 21:02:30,488 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 121.6MB. Free memory is still 69.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 21:02:30,489 INFO L158 Benchmark]: CACSL2BoogieTranslator took 458.90ms. Allocated memory is still 155.2MB. Free memory was 112.8MB in the beginning and 96.5MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 21:02:30,489 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.87ms. Allocated memory is still 155.2MB. Free memory was 96.5MB in the beginning and 93.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 21:02:30,489 INFO L158 Benchmark]: Boogie Preprocessor took 62.94ms. Allocated memory is still 155.2MB. Free memory was 93.4MB in the beginning and 89.7MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 21:02:30,490 INFO L158 Benchmark]: RCFGBuilder took 1319.28ms. Allocated memory is still 155.2MB. Free memory was 89.7MB in the beginning and 64.0MB in the end (delta: 25.7MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2023-11-21 21:02:30,490 INFO L158 Benchmark]: TraceAbstraction took 17497.56ms. Allocated memory was 155.2MB in the beginning and 274.7MB in the end (delta: 119.5MB). Free memory was 63.0MB in the beginning and 82.5MB in the end (delta: -19.5MB). Peak memory consumption was 104.8MB. Max. memory is 16.1GB. [2023-11-21 21:02:30,491 INFO L158 Benchmark]: Witness Printer took 261.08ms. Allocated memory is still 274.7MB. Free memory was 82.5MB in the beginning and 231.7MB in the end (delta: -149.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 21:02:30,495 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 121.6MB. Free memory is still 69.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 458.90ms. Allocated memory is still 155.2MB. Free memory was 112.8MB in the beginning and 96.5MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.87ms. Allocated memory is still 155.2MB. Free memory was 96.5MB in the beginning and 93.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.94ms. Allocated memory is still 155.2MB. Free memory was 93.4MB in the beginning and 89.7MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1319.28ms. Allocated memory is still 155.2MB. Free memory was 89.7MB in the beginning and 64.0MB in the end (delta: 25.7MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. * TraceAbstraction took 17497.56ms. Allocated memory was 155.2MB in the beginning and 274.7MB in the end (delta: 119.5MB). Free memory was 63.0MB in the beginning and 82.5MB in the end (delta: -19.5MB). Peak memory consumption was 104.8MB. Max. memory is 16.1GB. * Witness Printer took 261.08ms. Allocated memory is still 274.7MB. Free memory was 82.5MB in the beginning and 231.7MB in the end (delta: -149.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 268]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 268]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 270]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 270]: 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 1 procedures, 114 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 17.4s, OverallIterations: 20, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 8.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3396 SdHoareTripleChecker+Valid, 6.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3396 mSDsluCounter, 6258 SdHoareTripleChecker+Invalid, 5.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3492 mSDsCounter, 787 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7892 IncrementalHoareTripleChecker+Invalid, 8679 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 787 mSolverCounterUnsat, 2766 mSDtfsCounter, 7892 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2382 GetRequests, 2300 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2582occurred in iteration=13, InterpolantAutomatonStates: 103, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 20 MinimizatonAttempts, 1986 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 29 NumberOfFragments, 173 HoareAnnotationTreeSize, 1 FomulaSimplifications, 2679 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 1 FomulaSimplificationsInter, 721 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 4002 NumberOfCodeBlocks, 4002 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 4966 ConstructedInterpolants, 0 QuantifiedInterpolants, 10087 SizeOfPredicates, 11 NumberOfNonLiveVariables, 2287 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 31 InterpolantComputations, 15 PerfectInterpolantSequences, 11717/12479 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: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: (((((((((((((((((((8448 == s__state) && (s__s3__tmp__next_state___0 == 8640)) && !((0 == s__hit))) || ((((!((8192 == s__s3__tmp__next_state___0)) && !((8195 == s__s3__tmp__next_state___0))) && (s__state == 8608)) && (0 == s__hit)) && (s__s3__tmp__next_state___0 <= 12291))) || (8496 == s__state)) || ((!((0 == s__hit)) && (8656 <= s__state)) && (s__state <= 8672))) || ((s__state == 8512) && (0 == s__hit))) || ((!((8195 == s__s3__tmp__next_state___0)) && (8656 <= s__state)) && (s__state <= 8672))) || ((s__state == 8528) && (0 == s__hit))) || ((!((8192 == s__s3__tmp__next_state___0)) && (s__state == 3)) && (s__s3__tmp__next_state___0 <= 12291))) || (((8576 == s__s3__tmp__next_state___0) && (8576 == s__state)) && (0 == s__hit))) || ((((!((8192 == s__s3__tmp__next_state___0)) && !((8195 == s__s3__tmp__next_state___0))) && (0 == s__hit)) && (s__state == 8592)) && (s__s3__tmp__next_state___0 <= 12291))) || (8464 == s__state)) || ((8560 == s__state) && (0 == s__hit))) || (((3 == s__s3__tmp__next_state___0) && (8448 == s__state)) && (0 == s__hit))) || ((((!((8192 == s__s3__tmp__next_state___0)) && !((8195 == s__s3__tmp__next_state___0))) && (0 == s__hit)) && (s__state == 8640)) && (s__s3__tmp__next_state___0 <= 12291))) || ((((8576 == s__s3__tmp__next_state___0) && (s__state <= 8466)) && (0 == s__hit)) && (8448 <= s__state))) || ((s__s3__tmp__next_state___0 == 8640) && (s__state == 8640))) || ((0 == s__hit) && (8544 == s__state))) RESULT: Ultimate proved your program to be correct! [2023-11-21 21:02:30,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79f42fdb-1469-4a06-aab5-9c59a925be30/bin/uautomizer-verify-bycVGegfSx/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