./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e7bb482b 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_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 c802d0dd4f8edaf03f1251784a424c8f295192f6a4e7c65ec93469eacce08251 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:37:51,343 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:37:51,505 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-06 22:37:51,515 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:37:51,519 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:37:51,558 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:37:51,558 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:37:51,559 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:37:51,560 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:37:51,566 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:37:51,567 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:37:51,568 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:37:51,568 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:37:51,570 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:37:51,571 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:37:51,571 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:37:51,572 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:37:51,572 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:37:51,573 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:37:51,573 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:37:51,574 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:37:51,575 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:37:51,575 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-06 22:37:51,576 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:37:51,576 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:37:51,576 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:37:51,577 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:37:51,578 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:37:51,578 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:37:51,579 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:37:51,580 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:37:51,581 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:37:51,581 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:37:51,581 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:37:51,582 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:37:51,582 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:37:51,582 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:37:51,582 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:37:51,583 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:37:51,584 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:37:51,584 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:37:51,585 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_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c802d0dd4f8edaf03f1251784a424c8f295192f6a4e7c65ec93469eacce08251 [2023-11-06 22:37:51,940 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:37:51,977 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:37:51,981 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:37:51,983 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:37:51,984 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:37:51,985 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c [2023-11-06 22:37:55,809 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:37:56,112 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:37:56,113 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c [2023-11-06 22:37:56,150 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/data/47f85708b/e71fcfc8a5b744c2adc9575d384cc278/FLAGf0be9a637 [2023-11-06 22:37:56,178 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/data/47f85708b/e71fcfc8a5b744c2adc9575d384cc278 [2023-11-06 22:37:56,190 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:37:56,193 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:37:56,197 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:37:56,197 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:37:56,204 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:37:56,205 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:37:56" (1/1) ... [2023-11-06 22:37:56,207 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@86385c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:56, skipping insertion in model container [2023-11-06 22:37:56,207 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:37:56" (1/1) ... [2023-11-06 22:37:56,264 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:37:56,644 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:37:56,662 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:37:56,734 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:37:56,752 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:37:56,753 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:56 WrapperNode [2023-11-06 22:37:56,753 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:37:56,754 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:37:56,755 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:37:56,755 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:37:56,765 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:56" (1/1) ... [2023-11-06 22:37:56,780 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:56" (1/1) ... [2023-11-06 22:37:56,839 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 677 [2023-11-06 22:37:56,839 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:37:56,840 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:37:56,841 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:37:56,841 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:37:56,854 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:56" (1/1) ... [2023-11-06 22:37:56,854 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:56" (1/1) ... [2023-11-06 22:37:56,872 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:56" (1/1) ... [2023-11-06 22:37:56,872 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:56" (1/1) ... [2023-11-06 22:37:56,902 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:56" (1/1) ... [2023-11-06 22:37:56,911 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:56" (1/1) ... [2023-11-06 22:37:56,915 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:56" (1/1) ... [2023-11-06 22:37:56,938 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:56" (1/1) ... [2023-11-06 22:37:56,945 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:37:56,946 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:37:56,946 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:37:56,946 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:37:56,947 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:56" (1/1) ... [2023-11-06 22:37:56,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:37:57,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:37:57,026 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:37:57,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:37:57,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:37:57,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:37:57,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:37:57,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:37:57,267 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:37:57,270 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:37:57,301 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-06 22:37:58,155 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##103: assume !false; [2023-11-06 22:37:58,155 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##102: assume false; [2023-11-06 22:37:58,156 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:37:58,168 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:37:58,169 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:37:58,172 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:37:58 BoogieIcfgContainer [2023-11-06 22:37:58,172 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:37:58,176 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:37:58,176 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:37:58,180 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:37:58,181 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:37:56" (1/3) ... [2023-11-06 22:37:58,182 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@921bad1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:37:58, skipping insertion in model container [2023-11-06 22:37:58,182 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:37:56" (2/3) ... [2023-11-06 22:37:58,183 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@921bad1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:37:58, skipping insertion in model container [2023-11-06 22:37:58,183 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:37:58" (3/3) ... [2023-11-06 22:37:58,185 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_srvr_3a_alt.BV.c.cil.c [2023-11-06 22:37:58,206 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:37:58,207 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-06 22:37:58,284 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:37:58,293 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=LoopsAndPotentialCycles, 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;@afcd268, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:37:58,293 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-06 22:37:58,300 INFO L276 IsEmpty]: Start isEmpty. Operand has 176 states, 167 states have (on average 1.778443113772455) internal successors, (297), 175 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) [2023-11-06 22:37:58,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-06 22:37:58,311 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:37:58,312 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:37:58,313 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 22:37:58,322 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:37:58,328 INFO L85 PathProgramCache]: Analyzing trace with hash 1684140167, now seen corresponding path program 1 times [2023-11-06 22:37:58,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:37:58,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102543990] [2023-11-06 22:37:58,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:37:58,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:37:58,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:58,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:37:58,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:37:58,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102543990] [2023-11-06 22:37:58,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102543990] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:37:58,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:37:58,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:37:58,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885408875] [2023-11-06 22:37:58,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:37:58,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:37:58,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:37:58,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:37:58,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:37:58,741 INFO L87 Difference]: Start difference. First operand has 176 states, 167 states have (on average 1.778443113772455) internal successors, (297), 175 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) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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) [2023-11-06 22:37:58,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:37:58,831 INFO L93 Difference]: Finished difference Result 325 states and 552 transitions. [2023-11-06 22:37:58,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:37:58,833 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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 18 [2023-11-06 22:37:58,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:37:58,852 INFO L225 Difference]: With dead ends: 325 [2023-11-06 22:37:58,852 INFO L226 Difference]: Without dead ends: 142 [2023-11-06 22:37:58,858 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:37:58,866 INFO L413 NwaCegarLoop]: 272 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:37:58,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:37:58,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2023-11-06 22:37:58,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2023-11-06 22:37:58,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 138 states have (on average 1.6231884057971016) internal successors, (224), 141 states have internal predecessors, (224), 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) [2023-11-06 22:37:58,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 224 transitions. [2023-11-06 22:37:58,949 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 224 transitions. Word has length 18 [2023-11-06 22:37:58,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:37:58,950 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 224 transitions. [2023-11-06 22:37:58,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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) [2023-11-06 22:37:58,950 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 224 transitions. [2023-11-06 22:37:58,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-06 22:37:58,953 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:37:58,954 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:37:58,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:37:58,955 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 22:37:58,955 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:37:58,956 INFO L85 PathProgramCache]: Analyzing trace with hash -1953293640, now seen corresponding path program 1 times [2023-11-06 22:37:58,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:37:58,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024413076] [2023-11-06 22:37:58,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:37:58,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:37:59,042 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:37:59,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [666375679] [2023-11-06 22:37:59,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:37:59,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:37:59,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:37:59,051 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:37:59,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:37:59,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:59,177 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:37:59,185 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:37:59,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:37:59,303 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:37:59,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:37:59,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024413076] [2023-11-06 22:37:59,304 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:37:59,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [666375679] [2023-11-06 22:37:59,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [666375679] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:37:59,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:37:59,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:37:59,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914686631] [2023-11-06 22:37:59,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:37:59,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:37:59,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:37:59,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:37:59,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:37:59,310 INFO L87 Difference]: Start difference. First operand 142 states and 224 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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) [2023-11-06 22:37:59,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:37:59,386 INFO L93 Difference]: Finished difference Result 394 states and 624 transitions. [2023-11-06 22:37:59,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:37:59,387 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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 41 [2023-11-06 22:37:59,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:37:59,391 INFO L225 Difference]: With dead ends: 394 [2023-11-06 22:37:59,391 INFO L226 Difference]: Without dead ends: 264 [2023-11-06 22:37:59,393 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:37:59,395 INFO L413 NwaCegarLoop]: 219 mSDtfsCounter, 173 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:37:59,396 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 411 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:37:59,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2023-11-06 22:37:59,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 264. [2023-11-06 22:37:59,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 260 states have (on average 1.603846153846154) internal successors, (417), 263 states have internal predecessors, (417), 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) [2023-11-06 22:37:59,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 417 transitions. [2023-11-06 22:37:59,482 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 417 transitions. Word has length 41 [2023-11-06 22:37:59,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:37:59,484 INFO L495 AbstractCegarLoop]: Abstraction has 264 states and 417 transitions. [2023-11-06 22:37:59,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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) [2023-11-06 22:37:59,485 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 417 transitions. [2023-11-06 22:37:59,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-06 22:37:59,498 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:37:59,498 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:37:59,513 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:37:59,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:37:59,711 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 22:37:59,711 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:37:59,711 INFO L85 PathProgramCache]: Analyzing trace with hash -12516417, now seen corresponding path program 1 times [2023-11-06 22:37:59,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:37:59,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317027814] [2023-11-06 22:37:59,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:37:59,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:37:59,784 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:37:59,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [395477985] [2023-11-06 22:37:59,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:37:59,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:37:59,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:37:59,793 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:37:59,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:37:59,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:37:59,928 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:37:59,935 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:38:00,023 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:38:00,025 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:38:00,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:38:00,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317027814] [2023-11-06 22:38:00,027 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:38:00,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [395477985] [2023-11-06 22:38:00,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [395477985] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:38:00,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:38:00,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:38:00,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222891236] [2023-11-06 22:38:00,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:38:00,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:38:00,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:38:00,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:38:00,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:38:00,031 INFO L87 Difference]: Start difference. First operand 264 states and 417 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) [2023-11-06 22:38:00,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:38:00,117 INFO L93 Difference]: Finished difference Result 516 states and 817 transitions. [2023-11-06 22:38:00,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:38:00,118 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 57 [2023-11-06 22:38:00,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:38:00,124 INFO L225 Difference]: With dead ends: 516 [2023-11-06 22:38:00,124 INFO L226 Difference]: Without dead ends: 386 [2023-11-06 22:38:00,125 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:38:00,127 INFO L413 NwaCegarLoop]: 217 mSDtfsCounter, 175 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:38:00,127 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 409 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:38:00,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2023-11-06 22:38:00,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 386. [2023-11-06 22:38:00,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 382 states have (on average 1.5994764397905759) internal successors, (611), 385 states have internal predecessors, (611), 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) [2023-11-06 22:38:00,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 611 transitions. [2023-11-06 22:38:00,154 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 611 transitions. Word has length 57 [2023-11-06 22:38:00,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:38:00,155 INFO L495 AbstractCegarLoop]: Abstraction has 386 states and 611 transitions. [2023-11-06 22:38:00,155 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) [2023-11-06 22:38:00,155 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 611 transitions. [2023-11-06 22:38:00,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-06 22:38:00,159 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:38:00,159 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-11-06 22:38:00,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:38:00,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:38:00,367 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 22:38:00,367 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:38:00,367 INFO L85 PathProgramCache]: Analyzing trace with hash -371470390, now seen corresponding path program 1 times [2023-11-06 22:38:00,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:38:00,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980029850] [2023-11-06 22:38:00,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:38:00,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:38:00,435 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:38:00,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [256763375] [2023-11-06 22:38:00,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:38:00,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:38:00,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:38:00,444 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:38:00,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 22:38:00,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:00,576 INFO L262 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:38:00,579 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:38:00,658 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-06 22:38:00,658 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:38:00,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:38:00,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980029850] [2023-11-06 22:38:00,659 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:38:00,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [256763375] [2023-11-06 22:38:00,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [256763375] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:38:00,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:38:00,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:38:00,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980412359] [2023-11-06 22:38:00,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:38:00,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:38:00,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:38:00,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:38:00,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:38:00,663 INFO L87 Difference]: Start difference. First operand 386 states and 611 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 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) [2023-11-06 22:38:00,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:38:00,724 INFO L93 Difference]: Finished difference Result 760 states and 1205 transitions. [2023-11-06 22:38:00,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:38:00,725 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 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 78 [2023-11-06 22:38:00,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:38:00,729 INFO L225 Difference]: With dead ends: 760 [2023-11-06 22:38:00,730 INFO L226 Difference]: Without dead ends: 508 [2023-11-06 22:38:00,731 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:38:00,737 INFO L413 NwaCegarLoop]: 216 mSDtfsCounter, 173 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:38:00,739 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 408 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:38:00,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2023-11-06 22:38:00,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 508. [2023-11-06 22:38:00,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 508 states, 504 states have (on average 1.5992063492063493) internal successors, (806), 507 states have internal predecessors, (806), 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) [2023-11-06 22:38:00,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 508 states and 806 transitions. [2023-11-06 22:38:00,772 INFO L78 Accepts]: Start accepts. Automaton has 508 states and 806 transitions. Word has length 78 [2023-11-06 22:38:00,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:38:00,773 INFO L495 AbstractCegarLoop]: Abstraction has 508 states and 806 transitions. [2023-11-06 22:38:00,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 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) [2023-11-06 22:38:00,774 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 806 transitions. [2023-11-06 22:38:00,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-06 22:38:00,781 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:38:00,782 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:38:00,792 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-06 22:38:00,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:38:00,989 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 22:38:00,989 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:38:00,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1219690999, now seen corresponding path program 1 times [2023-11-06 22:38:00,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:38:00,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586826063] [2023-11-06 22:38:00,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:38:00,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:38:01,062 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:38:01,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [216603463] [2023-11-06 22:38:01,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:38:01,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:38:01,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:38:01,071 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:38:01,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-06 22:38:01,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:01,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:38:01,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:38:01,287 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-11-06 22:38:01,287 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:38:01,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:38:01,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586826063] [2023-11-06 22:38:01,288 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:38:01,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [216603463] [2023-11-06 22:38:01,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [216603463] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:38:01,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:38:01,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:38:01,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119775898] [2023-11-06 22:38:01,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:38:01,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:38:01,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:38:01,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:38:01,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:38:01,293 INFO L87 Difference]: Start difference. First operand 508 states and 806 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 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) [2023-11-06 22:38:01,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:38:01,526 INFO L93 Difference]: Finished difference Result 1176 states and 1896 transitions. [2023-11-06 22:38:01,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:38:01,527 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 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 118 [2023-11-06 22:38:01,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:38:01,532 INFO L225 Difference]: With dead ends: 1176 [2023-11-06 22:38:01,533 INFO L226 Difference]: Without dead ends: 680 [2023-11-06 22:38:01,534 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:38:01,534 INFO L413 NwaCegarLoop]: 235 mSDtfsCounter, 16 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:38:01,535 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 361 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:38:01,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 680 states. [2023-11-06 22:38:01,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 680 to 672. [2023-11-06 22:38:01,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 672 states, 668 states have (on average 1.4820359281437125) internal successors, (990), 671 states have internal predecessors, (990), 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) [2023-11-06 22:38:01,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 990 transitions. [2023-11-06 22:38:01,559 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 990 transitions. Word has length 118 [2023-11-06 22:38:01,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:38:01,560 INFO L495 AbstractCegarLoop]: Abstraction has 672 states and 990 transitions. [2023-11-06 22:38:01,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 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) [2023-11-06 22:38:01,560 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 990 transitions. [2023-11-06 22:38:01,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-06 22:38:01,563 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:38:01,563 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-11-06 22:38:01,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:38:01,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:38:01,770 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 22:38:01,770 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:38:01,771 INFO L85 PathProgramCache]: Analyzing trace with hash -1563842761, now seen corresponding path program 1 times [2023-11-06 22:38:01,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:38:01,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358854643] [2023-11-06 22:38:01,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:38:01,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:38:01,807 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:38:01,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2013661036] [2023-11-06 22:38:01,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:38:01,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:38:01,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:38:01,809 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:38:01,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-06 22:38:01,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:01,950 INFO L262 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:38:01,954 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:38:02,021 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-06 22:38:02,022 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:38:02,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:38:02,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358854643] [2023-11-06 22:38:02,022 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:38:02,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2013661036] [2023-11-06 22:38:02,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2013661036] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:38:02,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:38:02,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:38:02,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768828450] [2023-11-06 22:38:02,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:38:02,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:38:02,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:38:02,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:38:02,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:38:02,026 INFO L87 Difference]: Start difference. First operand 672 states and 990 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 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) [2023-11-06 22:38:02,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:38:02,272 INFO L93 Difference]: Finished difference Result 1508 states and 2268 transitions. [2023-11-06 22:38:02,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:38:02,274 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 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 160 [2023-11-06 22:38:02,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:38:02,282 INFO L225 Difference]: With dead ends: 1508 [2023-11-06 22:38:02,282 INFO L226 Difference]: Without dead ends: 800 [2023-11-06 22:38:02,284 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:38:02,285 INFO L413 NwaCegarLoop]: 223 mSDtfsCounter, 19 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:38:02,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 346 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:38:02,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2023-11-06 22:38:02,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 800. [2023-11-06 22:38:02,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 800 states, 796 states have (on average 1.42964824120603) internal successors, (1138), 799 states have internal predecessors, (1138), 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) [2023-11-06 22:38:02,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 800 states and 1138 transitions. [2023-11-06 22:38:02,318 INFO L78 Accepts]: Start accepts. Automaton has 800 states and 1138 transitions. Word has length 160 [2023-11-06 22:38:02,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:38:02,318 INFO L495 AbstractCegarLoop]: Abstraction has 800 states and 1138 transitions. [2023-11-06 22:38:02,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 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) [2023-11-06 22:38:02,319 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 1138 transitions. [2023-11-06 22:38:02,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2023-11-06 22:38:02,325 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:38:02,326 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 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, 1, 1, 1] [2023-11-06 22:38:02,338 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-06 22:38:02,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:38:02,538 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 22:38:02,539 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:38:02,539 INFO L85 PathProgramCache]: Analyzing trace with hash 1912956498, now seen corresponding path program 1 times [2023-11-06 22:38:02,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:38:02,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453954958] [2023-11-06 22:38:02,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:38:02,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:38:02,584 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:38:02,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1059586792] [2023-11-06 22:38:02,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:38:02,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:38:02,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:38:02,588 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:38:02,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-06 22:38:02,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:02,714 INFO L262 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:38:02,718 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:38:02,831 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 172 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2023-11-06 22:38:02,831 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:38:02,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:38:02,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453954958] [2023-11-06 22:38:02,832 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:38:02,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1059586792] [2023-11-06 22:38:02,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1059586792] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:38:02,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:38:02,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:38:02,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140137697] [2023-11-06 22:38:02,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:38:02,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:38:02,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:38:02,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:38:02,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:38:02,834 INFO L87 Difference]: Start difference. First operand 800 states and 1138 transitions. Second operand has 4 states, 3 states have (on average 34.666666666666664) internal successors, (104), 4 states have internal predecessors, (104), 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) [2023-11-06 22:38:03,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:38:03,152 INFO L93 Difference]: Finished difference Result 2131 states and 2987 transitions. [2023-11-06 22:38:03,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:38:03,153 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 34.666666666666664) internal successors, (104), 4 states have internal predecessors, (104), 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 188 [2023-11-06 22:38:03,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:38:03,161 INFO L225 Difference]: With dead ends: 2131 [2023-11-06 22:38:03,162 INFO L226 Difference]: Without dead ends: 1343 [2023-11-06 22:38:03,163 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:38:03,164 INFO L413 NwaCegarLoop]: 285 mSDtfsCounter, 83 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 635 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:38:03,165 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 635 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:38:03,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1343 states. [2023-11-06 22:38:03,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1343 to 1124. [2023-11-06 22:38:03,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1124 states, 1120 states have (on average 1.3589285714285715) internal successors, (1522), 1123 states have internal predecessors, (1522), 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) [2023-11-06 22:38:03,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 1124 states and 1522 transitions. [2023-11-06 22:38:03,217 INFO L78 Accepts]: Start accepts. Automaton has 1124 states and 1522 transitions. Word has length 188 [2023-11-06 22:38:03,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:38:03,217 INFO L495 AbstractCegarLoop]: Abstraction has 1124 states and 1522 transitions. [2023-11-06 22:38:03,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 34.666666666666664) internal successors, (104), 4 states have internal predecessors, (104), 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) [2023-11-06 22:38:03,218 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1522 transitions. [2023-11-06 22:38:03,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2023-11-06 22:38:03,223 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:38:03,223 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 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, 1, 1, 1] [2023-11-06 22:38:03,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-06 22:38:03,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-11-06 22:38:03,430 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 22:38:03,430 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:38:03,430 INFO L85 PathProgramCache]: Analyzing trace with hash 1180989072, now seen corresponding path program 1 times [2023-11-06 22:38:03,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:38:03,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096735275] [2023-11-06 22:38:03,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:38:03,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:38:03,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:03,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:38:03,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096735275] [2023-11-06 22:38:03,554 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-06 22:38:03,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [721919148] [2023-11-06 22:38:03,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:38:03,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:38:03,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:38:03,557 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:38:03,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-06 22:38:03,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:03,691 INFO L262 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:38:03,695 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:38:03,819 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 226 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-06 22:38:03,819 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:38:03,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [721919148] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:38:03,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:38:03,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:38:03,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457167742] [2023-11-06 22:38:03,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:38:03,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:38:03,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:38:03,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:38:03,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:38:03,822 INFO L87 Difference]: Start difference. First operand 1124 states and 1522 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 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) [2023-11-06 22:38:03,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:38:03,892 INFO L93 Difference]: Finished difference Result 3008 states and 4126 transitions. [2023-11-06 22:38:03,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:38:03,892 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 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 188 [2023-11-06 22:38:03,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:38:03,903 INFO L225 Difference]: With dead ends: 3008 [2023-11-06 22:38:03,903 INFO L226 Difference]: Without dead ends: 1630 [2023-11-06 22:38:03,905 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:38:03,906 INFO L413 NwaCegarLoop]: 410 mSDtfsCounter, 151 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 627 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:38:03,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 627 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:38:03,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1630 states. [2023-11-06 22:38:03,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1630 to 1626. [2023-11-06 22:38:03,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1626 states, 1622 states have (on average 1.4155363748458694) internal successors, (2296), 1625 states have internal predecessors, (2296), 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) [2023-11-06 22:38:03,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1626 states to 1626 states and 2296 transitions. [2023-11-06 22:38:03,966 INFO L78 Accepts]: Start accepts. Automaton has 1626 states and 2296 transitions. Word has length 188 [2023-11-06 22:38:03,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:38:03,967 INFO L495 AbstractCegarLoop]: Abstraction has 1626 states and 2296 transitions. [2023-11-06 22:38:03,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 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) [2023-11-06 22:38:03,967 INFO L276 IsEmpty]: Start isEmpty. Operand 1626 states and 2296 transitions. [2023-11-06 22:38:03,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2023-11-06 22:38:03,973 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:38:03,973 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 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, 1, 1, 1] [2023-11-06 22:38:03,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-06 22:38:04,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-11-06 22:38:04,181 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 22:38:04,181 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:38:04,181 INFO L85 PathProgramCache]: Analyzing trace with hash 916341582, now seen corresponding path program 1 times [2023-11-06 22:38:04,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:38:04,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431054055] [2023-11-06 22:38:04,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:38:04,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:38:04,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:04,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:38:04,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431054055] [2023-11-06 22:38:04,265 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-06 22:38:04,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1343563094] [2023-11-06 22:38:04,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:38:04,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:38:04,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:38:04,269 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:38:04,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-06 22:38:04,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:04,400 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:38:04,404 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:38:04,442 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-11-06 22:38:04,442 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:38:04,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1343563094] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:38:04,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:38:04,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:38:04,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327404255] [2023-11-06 22:38:04,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:38:04,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:38:04,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:38:04,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:38:04,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:38:04,444 INFO L87 Difference]: Start difference. First operand 1626 states and 2296 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 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) [2023-11-06 22:38:04,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:38:04,632 INFO L93 Difference]: Finished difference Result 3372 states and 4784 transitions. [2023-11-06 22:38:04,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:38:04,633 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 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 188 [2023-11-06 22:38:04,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:38:04,643 INFO L225 Difference]: With dead ends: 3372 [2023-11-06 22:38:04,643 INFO L226 Difference]: Without dead ends: 1758 [2023-11-06 22:38:04,645 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:38:04,646 INFO L413 NwaCegarLoop]: 236 mSDtfsCounter, 16 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:38:04,647 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 365 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:38:04,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1758 states. [2023-11-06 22:38:04,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1758 to 1718. [2023-11-06 22:38:04,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1718 states, 1714 states have (on average 1.4049008168028005) internal successors, (2408), 1717 states have internal predecessors, (2408), 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) [2023-11-06 22:38:04,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1718 states to 1718 states and 2408 transitions. [2023-11-06 22:38:04,711 INFO L78 Accepts]: Start accepts. Automaton has 1718 states and 2408 transitions. Word has length 188 [2023-11-06 22:38:04,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:38:04,711 INFO L495 AbstractCegarLoop]: Abstraction has 1718 states and 2408 transitions. [2023-11-06 22:38:04,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 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) [2023-11-06 22:38:04,712 INFO L276 IsEmpty]: Start isEmpty. Operand 1718 states and 2408 transitions. [2023-11-06 22:38:04,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2023-11-06 22:38:04,717 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:38:04,717 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 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, 1, 1, 1, 1] [2023-11-06 22:38:04,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-06 22:38:04,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:38:04,923 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 22:38:04,923 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:38:04,924 INFO L85 PathProgramCache]: Analyzing trace with hash -827890074, now seen corresponding path program 1 times [2023-11-06 22:38:04,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:38:04,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297691669] [2023-11-06 22:38:04,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:38:04,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:38:04,970 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:38:04,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [301283763] [2023-11-06 22:38:04,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:38:04,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:38:04,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:38:04,972 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:38:04,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-06 22:38:05,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:05,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:38:05,105 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:38:05,237 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 172 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2023-11-06 22:38:05,237 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:38:05,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:38:05,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297691669] [2023-11-06 22:38:05,237 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:38:05,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [301283763] [2023-11-06 22:38:05,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [301283763] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:38:05,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:38:05,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:38:05,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22072728] [2023-11-06 22:38:05,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:38:05,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:38:05,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:38:05,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:38:05,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:38:05,241 INFO L87 Difference]: Start difference. First operand 1718 states and 2408 transitions. Second operand has 4 states, 3 states have (on average 35.0) internal successors, (105), 4 states have internal predecessors, (105), 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) [2023-11-06 22:38:05,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:38:05,407 INFO L93 Difference]: Finished difference Result 1844 states and 2550 transitions. [2023-11-06 22:38:05,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:38:05,408 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 35.0) internal successors, (105), 4 states have internal predecessors, (105), 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 189 [2023-11-06 22:38:05,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:38:05,419 INFO L225 Difference]: With dead ends: 1844 [2023-11-06 22:38:05,419 INFO L226 Difference]: Without dead ends: 1843 [2023-11-06 22:38:05,420 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:38:05,421 INFO L413 NwaCegarLoop]: 290 mSDtfsCounter, 59 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 525 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:38:05,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 525 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:38:05,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1843 states. [2023-11-06 22:38:05,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1843 to 1722. [2023-11-06 22:38:05,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1722 states, 1718 states have (on average 1.4045401629802095) internal successors, (2413), 1721 states have internal predecessors, (2413), 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) [2023-11-06 22:38:05,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1722 states to 1722 states and 2413 transitions. [2023-11-06 22:38:05,534 INFO L78 Accepts]: Start accepts. Automaton has 1722 states and 2413 transitions. Word has length 189 [2023-11-06 22:38:05,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:38:05,534 INFO L495 AbstractCegarLoop]: Abstraction has 1722 states and 2413 transitions. [2023-11-06 22:38:05,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 35.0) internal successors, (105), 4 states have internal predecessors, (105), 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) [2023-11-06 22:38:05,535 INFO L276 IsEmpty]: Start isEmpty. Operand 1722 states and 2413 transitions. [2023-11-06 22:38:05,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2023-11-06 22:38:05,540 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:38:05,540 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2023-11-06 22:38:05,549 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-06 22:38:05,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-06 22:38:05,747 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 22:38:05,747 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:38:05,747 INFO L85 PathProgramCache]: Analyzing trace with hash -191329484, now seen corresponding path program 1 times [2023-11-06 22:38:05,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:38:05,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415650588] [2023-11-06 22:38:05,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:38:05,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:38:05,789 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:38:05,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [946089570] [2023-11-06 22:38:05,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:38:05,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:38:05,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:38:05,791 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:38:05,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-06 22:38:05,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:05,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:38:05,934 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:38:06,049 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 174 proven. 26 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-06 22:38:06,050 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:38:06,156 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 174 proven. 26 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-06 22:38:06,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:38:06,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415650588] [2023-11-06 22:38:06,157 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:38:06,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [946089570] [2023-11-06 22:38:06,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [946089570] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:38:06,157 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:38:06,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2023-11-06 22:38:06,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507818081] [2023-11-06 22:38:06,158 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:38:06,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:38:06,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:38:06,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:38:06,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:38:06,160 INFO L87 Difference]: Start difference. First operand 1722 states and 2413 transitions. Second operand has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 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) [2023-11-06 22:38:06,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:38:06,774 INFO L93 Difference]: Finished difference Result 5727 states and 8284 transitions. [2023-11-06 22:38:06,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:38:06,775 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 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 190 [2023-11-06 22:38:06,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:38:06,802 INFO L225 Difference]: With dead ends: 5727 [2023-11-06 22:38:06,802 INFO L226 Difference]: Without dead ends: 3775 [2023-11-06 22:38:06,808 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 380 GetRequests, 375 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:38:06,809 INFO L413 NwaCegarLoop]: 281 mSDtfsCounter, 403 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 403 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:38:06,809 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [403 Valid, 477 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:38:06,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3775 states. [2023-11-06 22:38:06,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3775 to 3345. [2023-11-06 22:38:07,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3345 states, 3341 states have (on average 1.5145166117928763) internal successors, (5060), 3344 states have internal predecessors, (5060), 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) [2023-11-06 22:38:07,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3345 states to 3345 states and 5060 transitions. [2023-11-06 22:38:07,016 INFO L78 Accepts]: Start accepts. Automaton has 3345 states and 5060 transitions. Word has length 190 [2023-11-06 22:38:07,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:38:07,017 INFO L495 AbstractCegarLoop]: Abstraction has 3345 states and 5060 transitions. [2023-11-06 22:38:07,017 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 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) [2023-11-06 22:38:07,018 INFO L276 IsEmpty]: Start isEmpty. Operand 3345 states and 5060 transitions. [2023-11-06 22:38:07,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2023-11-06 22:38:07,026 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:38:07,027 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 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, 1, 1, 1, 1, 1] [2023-11-06 22:38:07,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-06 22:38:07,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-06 22:38:07,234 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 22:38:07,234 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:38:07,234 INFO L85 PathProgramCache]: Analyzing trace with hash 105212116, now seen corresponding path program 1 times [2023-11-06 22:38:07,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:38:07,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257381958] [2023-11-06 22:38:07,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:38:07,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:38:07,266 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:38:07,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [781354138] [2023-11-06 22:38:07,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:38:07,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:38:07,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:38:07,268 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:38:07,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-06 22:38:07,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:07,420 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:38:07,424 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:38:07,747 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2023-11-06 22:38:07,747 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:38:07,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:38:07,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257381958] [2023-11-06 22:38:07,748 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:38:07,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [781354138] [2023-11-06 22:38:07,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [781354138] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:38:07,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:38:07,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:38:07,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544513971] [2023-11-06 22:38:07,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:38:07,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:38:07,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:38:07,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:38:07,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:38:07,750 INFO L87 Difference]: Start difference. First operand 3345 states and 5060 transitions. Second operand has 4 states, 3 states have (on average 36.0) internal successors, (108), 4 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) [2023-11-06 22:38:08,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:38:08,257 INFO L93 Difference]: Finished difference Result 6877 states and 10345 transitions. [2023-11-06 22:38:08,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:38:08,258 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 36.0) internal successors, (108), 4 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 190 [2023-11-06 22:38:08,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:38:08,290 INFO L225 Difference]: With dead ends: 6877 [2023-11-06 22:38:08,290 INFO L226 Difference]: Without dead ends: 4337 [2023-11-06 22:38:08,295 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:38:08,296 INFO L413 NwaCegarLoop]: 417 mSDtfsCounter, 188 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 722 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:38:08,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 722 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:38:08,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4337 states. [2023-11-06 22:38:08,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4337 to 4142. [2023-11-06 22:38:08,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4142 states, 4139 states have (on average 1.5148586615124426) internal successors, (6270), 4141 states have internal predecessors, (6270), 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) [2023-11-06 22:38:08,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4142 states to 4142 states and 6270 transitions. [2023-11-06 22:38:08,525 INFO L78 Accepts]: Start accepts. Automaton has 4142 states and 6270 transitions. Word has length 190 [2023-11-06 22:38:08,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:38:08,525 INFO L495 AbstractCegarLoop]: Abstraction has 4142 states and 6270 transitions. [2023-11-06 22:38:08,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 36.0) internal successors, (108), 4 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) [2023-11-06 22:38:08,526 INFO L276 IsEmpty]: Start isEmpty. Operand 4142 states and 6270 transitions. [2023-11-06 22:38:08,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2023-11-06 22:38:08,537 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:38:08,537 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 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, 1, 1, 1, 1, 1, 1] [2023-11-06 22:38:08,544 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-06 22:38:08,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-06 22:38:08,744 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 22:38:08,744 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:38:08,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1033391064, now seen corresponding path program 1 times [2023-11-06 22:38:08,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:38:08,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463155368] [2023-11-06 22:38:08,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:38:08,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:38:08,778 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:38:08,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1903068198] [2023-11-06 22:38:08,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:38:08,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:38:08,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:38:08,781 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:38:08,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-06 22:38:08,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:08,940 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:38:08,944 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:38:09,348 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 234 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-11-06 22:38:09,348 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:38:09,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:38:09,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463155368] [2023-11-06 22:38:09,349 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:38:09,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1903068198] [2023-11-06 22:38:09,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1903068198] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:38:09,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:38:09,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:38:09,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170721223] [2023-11-06 22:38:09,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:38:09,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:38:09,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:38:09,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:38:09,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:38:09,352 INFO L87 Difference]: Start difference. First operand 4142 states and 6270 transitions. Second operand has 5 states, 4 states have (on average 35.25) internal successors, (141), 5 states have internal predecessors, (141), 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) [2023-11-06 22:38:09,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:38:09,728 INFO L93 Difference]: Finished difference Result 4274 states and 6420 transitions. [2023-11-06 22:38:09,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:38:09,729 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 35.25) internal successors, (141), 5 states have internal predecessors, (141), 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 191 [2023-11-06 22:38:09,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:38:09,760 INFO L225 Difference]: With dead ends: 4274 [2023-11-06 22:38:09,760 INFO L226 Difference]: Without dead ends: 4273 [2023-11-06 22:38:09,762 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:38:09,764 INFO L413 NwaCegarLoop]: 261 mSDtfsCounter, 190 mSDsluCounter, 520 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 781 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:38:09,765 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 781 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:38:09,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4273 states. [2023-11-06 22:38:09,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4273 to 4273. [2023-11-06 22:38:09,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4273 states, 4270 states have (on average 1.5032786885245901) internal successors, (6419), 4272 states have internal predecessors, (6419), 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) [2023-11-06 22:38:09,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4273 states to 4273 states and 6419 transitions. [2023-11-06 22:38:09,950 INFO L78 Accepts]: Start accepts. Automaton has 4273 states and 6419 transitions. Word has length 191 [2023-11-06 22:38:09,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:38:09,951 INFO L495 AbstractCegarLoop]: Abstraction has 4273 states and 6419 transitions. [2023-11-06 22:38:09,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 35.25) internal successors, (141), 5 states have internal predecessors, (141), 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) [2023-11-06 22:38:09,952 INFO L276 IsEmpty]: Start isEmpty. Operand 4273 states and 6419 transitions. [2023-11-06 22:38:09,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2023-11-06 22:38:09,963 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:38:09,963 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 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] [2023-11-06 22:38:09,973 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-06 22:38:10,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-06 22:38:10,172 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 22:38:10,172 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:38:10,173 INFO L85 PathProgramCache]: Analyzing trace with hash -841643600, now seen corresponding path program 1 times [2023-11-06 22:38:10,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:38:10,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375127877] [2023-11-06 22:38:10,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:38:10,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:38:10,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:10,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:38:10,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375127877] [2023-11-06 22:38:10,299 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-06 22:38:10,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [366020731] [2023-11-06 22:38:10,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:38:10,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:38:10,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:38:10,301 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:38:10,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-06 22:38:10,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:10,449 INFO L262 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:38:10,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:38:10,500 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 329 proven. 0 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2023-11-06 22:38:10,501 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:38:10,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [366020731] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:38:10,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:38:10,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:38:10,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180216103] [2023-11-06 22:38:10,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:38:10,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:38:10,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:38:10,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:38:10,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:38:10,503 INFO L87 Difference]: Start difference. First operand 4273 states and 6419 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 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) [2023-11-06 22:38:10,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:38:10,853 INFO L93 Difference]: Finished difference Result 9714 states and 14878 transitions. [2023-11-06 22:38:10,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:38:10,854 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 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 237 [2023-11-06 22:38:10,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:38:10,890 INFO L225 Difference]: With dead ends: 9714 [2023-11-06 22:38:10,891 INFO L226 Difference]: Without dead ends: 5453 [2023-11-06 22:38:10,898 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:38:10,899 INFO L413 NwaCegarLoop]: 226 mSDtfsCounter, 107 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:38:10,899 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 279 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:38:10,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5453 states. [2023-11-06 22:38:11,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5453 to 5203. [2023-11-06 22:38:11,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5203 states, 5200 states have (on average 1.455576923076923) internal successors, (7569), 5202 states have internal predecessors, (7569), 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) [2023-11-06 22:38:11,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5203 states to 5203 states and 7569 transitions. [2023-11-06 22:38:11,106 INFO L78 Accepts]: Start accepts. Automaton has 5203 states and 7569 transitions. Word has length 237 [2023-11-06 22:38:11,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:38:11,107 INFO L495 AbstractCegarLoop]: Abstraction has 5203 states and 7569 transitions. [2023-11-06 22:38:11,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 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) [2023-11-06 22:38:11,107 INFO L276 IsEmpty]: Start isEmpty. Operand 5203 states and 7569 transitions. [2023-11-06 22:38:11,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2023-11-06 22:38:11,120 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:38:11,120 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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] [2023-11-06 22:38:11,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-11-06 22:38:11,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-06 22:38:11,328 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 22:38:11,328 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:38:11,329 INFO L85 PathProgramCache]: Analyzing trace with hash 1359281675, now seen corresponding path program 1 times [2023-11-06 22:38:11,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:38:11,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350423555] [2023-11-06 22:38:11,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:38:11,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:38:11,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:11,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:38:11,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350423555] [2023-11-06 22:38:11,434 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-06 22:38:11,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [838534873] [2023-11-06 22:38:11,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:38:11,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:38:11,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:38:11,436 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:38:11,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-06 22:38:11,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:11,596 INFO L262 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:38:11,600 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:38:11,661 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 350 proven. 0 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2023-11-06 22:38:11,661 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:38:11,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [838534873] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:38:11,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:38:11,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:38:11,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149478476] [2023-11-06 22:38:11,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:38:11,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:38:11,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:38:11,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:38:11,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:38:11,664 INFO L87 Difference]: Start difference. First operand 5203 states and 7569 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 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) [2023-11-06 22:38:11,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:38:11,983 INFO L93 Difference]: Finished difference Result 11904 states and 17548 transitions. [2023-11-06 22:38:11,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:38:11,984 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 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 247 [2023-11-06 22:38:11,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:38:12,008 INFO L225 Difference]: With dead ends: 11904 [2023-11-06 22:38:12,009 INFO L226 Difference]: Without dead ends: 6453 [2023-11-06 22:38:12,020 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:38:12,021 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 101 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:38:12,021 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 271 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:38:12,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6453 states. [2023-11-06 22:38:12,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6453 to 5893. [2023-11-06 22:38:12,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5893 states, 5890 states have (on average 1.4361629881154498) internal successors, (8459), 5892 states have internal predecessors, (8459), 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) [2023-11-06 22:38:12,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5893 states to 5893 states and 8459 transitions. [2023-11-06 22:38:12,239 INFO L78 Accepts]: Start accepts. Automaton has 5893 states and 8459 transitions. Word has length 247 [2023-11-06 22:38:12,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:38:12,240 INFO L495 AbstractCegarLoop]: Abstraction has 5893 states and 8459 transitions. [2023-11-06 22:38:12,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 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) [2023-11-06 22:38:12,241 INFO L276 IsEmpty]: Start isEmpty. Operand 5893 states and 8459 transitions. [2023-11-06 22:38:12,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2023-11-06 22:38:12,254 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:38:12,256 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:38:12,268 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-11-06 22:38:12,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-06 22:38:12,463 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 22:38:12,464 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:38:12,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1840873327, now seen corresponding path program 1 times [2023-11-06 22:38:12,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:38:12,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145160169] [2023-11-06 22:38:12,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:38:12,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:38:12,523 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:38:12,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1499093925] [2023-11-06 22:38:12,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:38:12,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:38:12,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:38:12,526 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:38:12,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-06 22:38:12,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:12,704 INFO L262 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:38:12,714 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:38:12,780 INFO L134 CoverageAnalysis]: Checked inductivity of 615 backedges. 317 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2023-11-06 22:38:12,781 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:38:12,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:38:12,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145160169] [2023-11-06 22:38:12,782 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:38:12,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1499093925] [2023-11-06 22:38:12,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1499093925] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:38:12,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:38:12,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:38:12,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904859513] [2023-11-06 22:38:12,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:38:12,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:38:12,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:38:12,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:38:12,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:38:12,786 INFO L87 Difference]: Start difference. First operand 5893 states and 8459 transitions. Second operand has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 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) [2023-11-06 22:38:13,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:38:13,098 INFO L93 Difference]: Finished difference Result 12206 states and 17390 transitions. [2023-11-06 22:38:13,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:38:13,099 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 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 261 [2023-11-06 22:38:13,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:38:13,111 INFO L225 Difference]: With dead ends: 12206 [2023-11-06 22:38:13,111 INFO L226 Difference]: Without dead ends: 4024 [2023-11-06 22:38:13,123 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:38:13,123 INFO L413 NwaCegarLoop]: 234 mSDtfsCounter, 9 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:38:13,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 363 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:38:13,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4024 states. [2023-11-06 22:38:13,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4024 to 3997. [2023-11-06 22:38:13,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3997 states, 3994 states have (on average 1.4321482223335003) internal successors, (5720), 3996 states have internal predecessors, (5720), 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) [2023-11-06 22:38:13,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3997 states to 3997 states and 5720 transitions. [2023-11-06 22:38:13,260 INFO L78 Accepts]: Start accepts. Automaton has 3997 states and 5720 transitions. Word has length 261 [2023-11-06 22:38:13,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:38:13,260 INFO L495 AbstractCegarLoop]: Abstraction has 3997 states and 5720 transitions. [2023-11-06 22:38:13,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 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) [2023-11-06 22:38:13,261 INFO L276 IsEmpty]: Start isEmpty. Operand 3997 states and 5720 transitions. [2023-11-06 22:38:13,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2023-11-06 22:38:13,270 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:38:13,270 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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] [2023-11-06 22:38:13,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-11-06 22:38:13,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-11-06 22:38:13,478 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 22:38:13,479 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:38:13,479 INFO L85 PathProgramCache]: Analyzing trace with hash -1679111862, now seen corresponding path program 1 times [2023-11-06 22:38:13,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:38:13,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863627566] [2023-11-06 22:38:13,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:38:13,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:38:13,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:13,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:38:13,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863627566] [2023-11-06 22:38:13,553 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-06 22:38:13,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1890245514] [2023-11-06 22:38:13,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:38:13,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:38:13,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:38:13,555 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:38:13,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-06 22:38:13,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:13,737 INFO L262 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:38:13,742 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:38:13,830 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 450 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-06 22:38:13,830 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:38:13,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1890245514] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:38:13,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:38:13,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:38:13,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984384424] [2023-11-06 22:38:13,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:38:13,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:38:13,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:38:13,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:38:13,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:38:13,833 INFO L87 Difference]: Start difference. First operand 3997 states and 5720 transitions. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 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) [2023-11-06 22:38:14,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:38:14,139 INFO L93 Difference]: Finished difference Result 8675 states and 12501 transitions. [2023-11-06 22:38:14,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:38:14,140 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 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 274 [2023-11-06 22:38:14,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:38:14,153 INFO L225 Difference]: With dead ends: 8675 [2023-11-06 22:38:14,153 INFO L226 Difference]: Without dead ends: 4543 [2023-11-06 22:38:14,159 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 272 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:38:14,160 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 121 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:38:14,160 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 227 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:38:14,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4543 states. [2023-11-06 22:38:14,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4543 to 4375. [2023-11-06 22:38:14,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4375 states, 4372 states have (on average 1.4172003659652332) internal successors, (6196), 4374 states have internal predecessors, (6196), 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) [2023-11-06 22:38:14,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4375 states to 4375 states and 6196 transitions. [2023-11-06 22:38:14,315 INFO L78 Accepts]: Start accepts. Automaton has 4375 states and 6196 transitions. Word has length 274 [2023-11-06 22:38:14,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:38:14,316 INFO L495 AbstractCegarLoop]: Abstraction has 4375 states and 6196 transitions. [2023-11-06 22:38:14,316 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 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) [2023-11-06 22:38:14,316 INFO L276 IsEmpty]: Start isEmpty. Operand 4375 states and 6196 transitions. [2023-11-06 22:38:14,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2023-11-06 22:38:14,327 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:38:14,327 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 7, 7, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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] [2023-11-06 22:38:14,340 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-11-06 22:38:14,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-06 22:38:14,535 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 22:38:14,535 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:38:14,535 INFO L85 PathProgramCache]: Analyzing trace with hash 1195680697, now seen corresponding path program 1 times [2023-11-06 22:38:14,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:38:14,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265192511] [2023-11-06 22:38:14,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:38:14,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:38:14,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:14,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:38:14,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265192511] [2023-11-06 22:38:14,624 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-06 22:38:14,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [212641250] [2023-11-06 22:38:14,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:38:14,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:38:14,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:38:14,627 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:38:14,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-11-06 22:38:14,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:14,810 INFO L262 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:38:14,814 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:38:14,879 INFO L134 CoverageAnalysis]: Checked inductivity of 889 backedges. 560 proven. 0 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2023-11-06 22:38:14,880 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:38:14,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [212641250] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:38:14,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:38:14,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:38:14,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752144371] [2023-11-06 22:38:14,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:38:14,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:38:14,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:38:14,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:38:14,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:38:14,883 INFO L87 Difference]: Start difference. First operand 4375 states and 6196 transitions. Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 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) [2023-11-06 22:38:15,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:38:15,222 INFO L93 Difference]: Finished difference Result 9277 states and 13145 transitions. [2023-11-06 22:38:15,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:38:15,223 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 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 297 [2023-11-06 22:38:15,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:38:15,235 INFO L225 Difference]: With dead ends: 9277 [2023-11-06 22:38:15,235 INFO L226 Difference]: Without dead ends: 4795 [2023-11-06 22:38:15,241 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 295 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:38:15,242 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 122 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:38:15,243 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 214 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:38:15,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4795 states. [2023-11-06 22:38:15,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4795 to 3816. [2023-11-06 22:38:15,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3816 states, 3813 states have (on average 1.4070285864148964) internal successors, (5365), 3815 states have internal predecessors, (5365), 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) [2023-11-06 22:38:15,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3816 states to 3816 states and 5365 transitions. [2023-11-06 22:38:15,383 INFO L78 Accepts]: Start accepts. Automaton has 3816 states and 5365 transitions. Word has length 297 [2023-11-06 22:38:15,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:38:15,384 INFO L495 AbstractCegarLoop]: Abstraction has 3816 states and 5365 transitions. [2023-11-06 22:38:15,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 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) [2023-11-06 22:38:15,384 INFO L276 IsEmpty]: Start isEmpty. Operand 3816 states and 5365 transitions. [2023-11-06 22:38:15,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2023-11-06 22:38:15,395 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:38:15,395 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:38:15,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-11-06 22:38:15,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-06 22:38:15,608 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 22:38:15,609 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:38:15,609 INFO L85 PathProgramCache]: Analyzing trace with hash -910916788, now seen corresponding path program 1 times [2023-11-06 22:38:15,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:38:15,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607808397] [2023-11-06 22:38:15,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:38:15,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:38:15,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:15,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:38:15,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607808397] [2023-11-06 22:38:15,708 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-06 22:38:15,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1594945584] [2023-11-06 22:38:15,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:38:15,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:38:15,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:38:15,710 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:38:15,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-11-06 22:38:15,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:15,894 INFO L262 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:38:15,900 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:38:16,016 INFO L134 CoverageAnalysis]: Checked inductivity of 1108 backedges. 753 proven. 26 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2023-11-06 22:38:16,017 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:38:16,150 INFO L134 CoverageAnalysis]: Checked inductivity of 1108 backedges. 753 proven. 26 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2023-11-06 22:38:16,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1594945584] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:38:16,151 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:38:16,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2023-11-06 22:38:16,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212371527] [2023-11-06 22:38:16,152 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:38:16,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:38:16,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:38:16,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:38:16,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:38:16,156 INFO L87 Difference]: Start difference. First operand 3816 states and 5365 transitions. Second operand has 6 states, 6 states have (on average 39.833333333333336) internal successors, (239), 6 states have internal predecessors, (239), 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) [2023-11-06 22:38:16,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:38:16,893 INFO L93 Difference]: Finished difference Result 8862 states and 12443 transitions. [2023-11-06 22:38:16,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:38:16,894 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 39.833333333333336) internal successors, (239), 6 states have internal predecessors, (239), 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 330 [2023-11-06 22:38:16,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:38:16,909 INFO L225 Difference]: With dead ends: 8862 [2023-11-06 22:38:16,909 INFO L226 Difference]: Without dead ends: 5005 [2023-11-06 22:38:16,916 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 662 GetRequests, 656 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:38:16,917 INFO L413 NwaCegarLoop]: 297 mSDtfsCounter, 504 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 411 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 504 SdHoareTripleChecker+Valid, 708 SdHoareTripleChecker+Invalid, 494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:38:16,917 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [504 Valid, 708 Invalid, 494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 411 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-06 22:38:16,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5005 states. [2023-11-06 22:38:17,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5005 to 3843. [2023-11-06 22:38:17,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3843 states, 3840 states have (on average 1.4046875) internal successors, (5394), 3842 states have internal predecessors, (5394), 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) [2023-11-06 22:38:17,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3843 states to 3843 states and 5394 transitions. [2023-11-06 22:38:17,071 INFO L78 Accepts]: Start accepts. Automaton has 3843 states and 5394 transitions. Word has length 330 [2023-11-06 22:38:17,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:38:17,072 INFO L495 AbstractCegarLoop]: Abstraction has 3843 states and 5394 transitions. [2023-11-06 22:38:17,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 39.833333333333336) internal successors, (239), 6 states have internal predecessors, (239), 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) [2023-11-06 22:38:17,072 INFO L276 IsEmpty]: Start isEmpty. Operand 3843 states and 5394 transitions. [2023-11-06 22:38:17,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2023-11-06 22:38:17,087 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:38:17,088 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 11, 11, 10, 10, 9, 9, 8, 8, 8, 8, 6, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:38:17,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2023-11-06 22:38:17,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:38:17,296 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 22:38:17,296 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:38:17,297 INFO L85 PathProgramCache]: Analyzing trace with hash 1125867126, now seen corresponding path program 1 times [2023-11-06 22:38:17,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:38:17,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867278998] [2023-11-06 22:38:17,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:38:17,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:38:17,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:17,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:38:17,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867278998] [2023-11-06 22:38:17,399 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-06 22:38:17,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1151229042] [2023-11-06 22:38:17,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:38:17,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:38:17,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:38:17,401 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:38:17,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-11-06 22:38:17,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:17,623 INFO L262 TraceCheckSpWp]: Trace formula consists of 664 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:38:17,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:38:17,693 INFO L134 CoverageAnalysis]: Checked inductivity of 1853 backedges. 1111 proven. 0 refuted. 0 times theorem prover too weak. 742 trivial. 0 not checked. [2023-11-06 22:38:17,693 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:38:17,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1151229042] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:38:17,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:38:17,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:38:17,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053182318] [2023-11-06 22:38:17,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:38:17,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:38:17,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:38:17,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:38:17,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:38:17,697 INFO L87 Difference]: Start difference. First operand 3843 states and 5394 transitions. Second operand has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 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) [2023-11-06 22:38:18,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:38:18,110 INFO L93 Difference]: Finished difference Result 8178 states and 11468 transitions. [2023-11-06 22:38:18,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:38:18,113 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 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 415 [2023-11-06 22:38:18,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:38:18,132 INFO L225 Difference]: With dead ends: 8178 [2023-11-06 22:38:18,132 INFO L226 Difference]: Without dead ends: 4347 [2023-11-06 22:38:18,139 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 414 GetRequests, 413 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:38:18,141 INFO L413 NwaCegarLoop]: 231 mSDtfsCounter, 10 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:38:18,141 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 360 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:38:18,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4347 states. [2023-11-06 22:38:18,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4347 to 4319. [2023-11-06 22:38:18,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4319 states, 4316 states have (on average 1.376274328081557) internal successors, (5940), 4318 states have internal predecessors, (5940), 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) [2023-11-06 22:38:18,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4319 states to 4319 states and 5940 transitions. [2023-11-06 22:38:18,321 INFO L78 Accepts]: Start accepts. Automaton has 4319 states and 5940 transitions. Word has length 415 [2023-11-06 22:38:18,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:38:18,322 INFO L495 AbstractCegarLoop]: Abstraction has 4319 states and 5940 transitions. [2023-11-06 22:38:18,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 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) [2023-11-06 22:38:18,322 INFO L276 IsEmpty]: Start isEmpty. Operand 4319 states and 5940 transitions. [2023-11-06 22:38:18,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 447 [2023-11-06 22:38:18,330 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:38:18,331 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 12, 12, 11, 11, 10, 10, 9, 9, 9, 9, 7, 6, 6, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:38:18,350 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2023-11-06 22:38:18,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:38:18,538 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 22:38:18,538 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:38:18,539 INFO L85 PathProgramCache]: Analyzing trace with hash -264599656, now seen corresponding path program 1 times [2023-11-06 22:38:18,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:38:18,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933580356] [2023-11-06 22:38:18,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:38:18,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:38:18,585 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:38:18,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2143122562] [2023-11-06 22:38:18,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:38:18,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:38:18,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:38:18,587 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:38:18,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-11-06 22:38:18,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:18,803 INFO L262 TraceCheckSpWp]: Trace formula consists of 705 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:38:18,810 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:38:18,882 INFO L134 CoverageAnalysis]: Checked inductivity of 2180 backedges. 344 proven. 0 refuted. 0 times theorem prover too weak. 1836 trivial. 0 not checked. [2023-11-06 22:38:18,884 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:38:18,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:38:18,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933580356] [2023-11-06 22:38:18,884 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:38:18,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2143122562] [2023-11-06 22:38:18,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2143122562] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:38:18,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:38:18,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:38:18,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364776038] [2023-11-06 22:38:18,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:38:18,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:38:18,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:38:18,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:38:18,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:38:18,888 INFO L87 Difference]: Start difference. First operand 4319 states and 5940 transitions. Second operand has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 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) [2023-11-06 22:38:19,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:38:19,163 INFO L93 Difference]: Finished difference Result 7709 states and 10612 transitions. [2023-11-06 22:38:19,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:38:19,164 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 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 446 [2023-11-06 22:38:19,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:38:19,217 INFO L225 Difference]: With dead ends: 7709 [2023-11-06 22:38:19,217 INFO L226 Difference]: Without dead ends: 3326 [2023-11-06 22:38:19,222 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 445 GetRequests, 444 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:38:19,223 INFO L413 NwaCegarLoop]: 232 mSDtfsCounter, 22 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:38:19,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 353 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:38:19,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3326 states. [2023-11-06 22:38:19,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3326 to 3262. [2023-11-06 22:38:19,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3262 states, 3259 states have (on average 1.3504142374961645) internal successors, (4401), 3261 states have internal predecessors, (4401), 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) [2023-11-06 22:38:19,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3262 states to 3262 states and 4401 transitions. [2023-11-06 22:38:19,343 INFO L78 Accepts]: Start accepts. Automaton has 3262 states and 4401 transitions. Word has length 446 [2023-11-06 22:38:19,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:38:19,344 INFO L495 AbstractCegarLoop]: Abstraction has 3262 states and 4401 transitions. [2023-11-06 22:38:19,344 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 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) [2023-11-06 22:38:19,344 INFO L276 IsEmpty]: Start isEmpty. Operand 3262 states and 4401 transitions. [2023-11-06 22:38:19,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 521 [2023-11-06 22:38:19,353 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:38:19,353 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 15, 15, 14, 14, 13, 13, 12, 12, 12, 12, 10, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:38:19,365 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2023-11-06 22:38:19,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:38:19,561 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 22:38:19,561 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:38:19,562 INFO L85 PathProgramCache]: Analyzing trace with hash -1638330508, now seen corresponding path program 1 times [2023-11-06 22:38:19,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:38:19,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309385882] [2023-11-06 22:38:19,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:38:19,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:38:19,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:19,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:38:19,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309385882] [2023-11-06 22:38:19,672 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-06 22:38:19,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [3755542] [2023-11-06 22:38:19,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:38:19,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:38:19,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:38:19,674 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:38:19,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2023-11-06 22:38:19,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:38:19,919 INFO L262 TraceCheckSpWp]: Trace formula consists of 804 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:38:19,929 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:38:20,044 INFO L134 CoverageAnalysis]: Checked inductivity of 3065 backedges. 1592 proven. 26 refuted. 0 times theorem prover too weak. 1447 trivial. 0 not checked. [2023-11-06 22:38:20,045 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:38:20,170 INFO L134 CoverageAnalysis]: Checked inductivity of 3065 backedges. 1592 proven. 26 refuted. 0 times theorem prover too weak. 1447 trivial. 0 not checked. [2023-11-06 22:38:20,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [3755542] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:38:20,171 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:38:20,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2023-11-06 22:38:20,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580319290] [2023-11-06 22:38:20,172 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:38:20,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:38:20,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:38:20,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:38:20,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:38:20,175 INFO L87 Difference]: Start difference. First operand 3262 states and 4401 transitions. Second operand has 6 states, 6 states have (on average 43.666666666666664) internal successors, (262), 6 states have internal predecessors, (262), 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) [2023-11-06 22:38:20,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:38:20,744 INFO L93 Difference]: Finished difference Result 6159 states and 8380 transitions. [2023-11-06 22:38:20,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:38:20,745 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 43.666666666666664) internal successors, (262), 6 states have internal predecessors, (262), 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 520 [2023-11-06 22:38:20,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:38:20,746 INFO L225 Difference]: With dead ends: 6159 [2023-11-06 22:38:20,746 INFO L226 Difference]: Without dead ends: 0 [2023-11-06 22:38:20,754 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1044 GetRequests, 1037 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:38:20,756 INFO L413 NwaCegarLoop]: 288 mSDtfsCounter, 265 mSDsluCounter, 494 mSDsCounter, 0 mSdLazyCounter, 400 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 782 SdHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:38:20,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 782 Invalid, 449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 400 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:38:20,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-06 22:38:20,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-06 22:38:20,758 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) [2023-11-06 22:38:20,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 22:38:20,760 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 520 [2023-11-06 22:38:20,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:38:20,761 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:38:20,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 43.666666666666664) internal successors, (262), 6 states have internal predecessors, (262), 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) [2023-11-06 22:38:20,761 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-06 22:38:20,761 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-06 22:38:20,767 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2023-11-06 22:38:20,768 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2023-11-06 22:38:20,768 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2023-11-06 22:38:20,768 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2023-11-06 22:38:20,769 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2023-11-06 22:38:20,769 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2023-11-06 22:38:20,769 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2023-11-06 22:38:20,770 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2023-11-06 22:38:20,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2023-11-06 22:38:20,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:38:20,980 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-06 22:38:26,884 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 274) no Hoare annotation was computed. [2023-11-06 22:38:26,884 INFO L899 garLoopResultBuilder]: For program point L531(lines 531 536) no Hoare annotation was computed. [2023-11-06 22:38:26,884 INFO L899 garLoopResultBuilder]: For program point L399(line 399) no Hoare annotation was computed. [2023-11-06 22:38:26,884 INFO L899 garLoopResultBuilder]: For program point L366(line 366) no Hoare annotation was computed. [2023-11-06 22:38:26,884 INFO L899 garLoopResultBuilder]: For program point L399-2(line 399) no Hoare annotation was computed. [2023-11-06 22:38:26,884 INFO L899 garLoopResultBuilder]: For program point L366-2(line 366) no Hoare annotation was computed. [2023-11-06 22:38:26,885 INFO L899 garLoopResultBuilder]: For program point L399-4(lines 399 405) no Hoare annotation was computed. [2023-11-06 22:38:26,885 INFO L899 garLoopResultBuilder]: For program point L366-4(lines 366 385) no Hoare annotation was computed. [2023-11-06 22:38:26,885 INFO L895 garLoopResultBuilder]: At program point ssl3_accept_switch_1_8593#1(lines 184 611) the Hoare annotation is: (let ((.cse0 (<= 8528 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse1 (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2))) (or (and .cse0 .cse1 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8639)) (and .cse0 .cse1 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8640) (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|))))) [2023-11-06 22:38:26,885 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 569) no Hoare annotation was computed. [2023-11-06 22:38:26,885 INFO L899 garLoopResultBuilder]: For program point L499(lines 499 503) no Hoare annotation was computed. [2023-11-06 22:38:26,886 INFO L899 garLoopResultBuilder]: For program point L367(line 367) no Hoare annotation was computed. [2023-11-06 22:38:26,886 INFO L899 garLoopResultBuilder]: For program point L367-2(line 367) no Hoare annotation was computed. [2023-11-06 22:38:26,886 INFO L895 garLoopResultBuilder]: At program point ssl3_accept_switch_1_8529#1(lines 157 620) the Hoare annotation is: (let ((.cse0 (<= 8528 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse1 (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2))) (or (and .cse0 .cse1 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8640) (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|))) (and .cse0 .cse1 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8544)))) [2023-11-06 22:38:26,886 INFO L899 garLoopResultBuilder]: For program point L367-4(lines 367 371) no Hoare annotation was computed. [2023-11-06 22:38:26,886 INFO L899 garLoopResultBuilder]: For program point L202(lines 202 605) no Hoare annotation was computed. [2023-11-06 22:38:26,886 INFO L899 garLoopResultBuilder]: For program point L169(lines 169 616) no Hoare annotation was computed. [2023-11-06 22:38:26,886 INFO L899 garLoopResultBuilder]: For program point L367-6(lines 366 383) no Hoare annotation was computed. [2023-11-06 22:38:26,886 INFO L899 garLoopResultBuilder]: For program point L136(lines 136 627) no Hoare annotation was computed. [2023-11-06 22:38:26,886 INFO L899 garLoopResultBuilder]: For program point L467(lines 467 471) no Hoare annotation was computed. [2023-11-06 22:38:26,887 INFO L895 garLoopResultBuilder]: At program point ssl3_accept_switch_1_8497#1(lines 145 624) the Hoare annotation is: (and (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8528)) [2023-11-06 22:38:26,887 INFO L899 garLoopResultBuilder]: For program point L335-1(line 335) no Hoare annotation was computed. [2023-11-06 22:38:26,887 INFO L899 garLoopResultBuilder]: For program point L335-3(lines 335 344) no Hoare annotation was computed. [2023-11-06 22:38:26,887 INFO L899 garLoopResultBuilder]: For program point L335-5(lines 335 344) no Hoare annotation was computed. [2023-11-06 22:38:26,887 INFO L895 garLoopResultBuilder]: At program point $Ultimate##203(lines 397 434) the Hoare annotation is: (let ((.cse0 (<= 8528 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse1 (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2))) (or (and .cse0 .cse1 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8560)) (and .cse0 .cse1 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8640) (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|))))) [2023-11-06 22:38:26,887 INFO L902 garLoopResultBuilder]: At program point L667(lines 74 684) the Hoare annotation is: true [2023-11-06 22:38:26,888 INFO L895 garLoopResultBuilder]: At program point ssl3_accept_switch_1_8482#1(lines 133 628) the Hoare annotation is: (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8529) [2023-11-06 22:38:26,888 INFO L899 garLoopResultBuilder]: For program point L205(lines 205 604) no Hoare annotation was computed. [2023-11-06 22:38:26,888 INFO L899 garLoopResultBuilder]: For program point L172(lines 172 615) no Hoare annotation was computed. [2023-11-06 22:38:26,889 INFO L899 garLoopResultBuilder]: For program point L139(lines 139 626) no Hoare annotation was computed. [2023-11-06 22:38:26,889 INFO L899 garLoopResultBuilder]: For program point L272(line 272) no Hoare annotation was computed. [2023-11-06 22:38:26,889 INFO L899 garLoopResultBuilder]: For program point L239(lines 239 256) no Hoare annotation was computed. [2023-11-06 22:38:26,889 INFO L899 garLoopResultBuilder]: For program point L272-1(line 272) no Hoare annotation was computed. [2023-11-06 22:38:26,889 INFO L899 garLoopResultBuilder]: For program point L239-2(lines 219 597) no Hoare annotation was computed. [2023-11-06 22:38:26,889 INFO L899 garLoopResultBuilder]: For program point L636(lines 636 664) no Hoare annotation was computed. [2023-11-06 22:38:26,890 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 343) no Hoare annotation was computed. [2023-11-06 22:38:26,890 INFO L899 garLoopResultBuilder]: For program point L372-1(line 372) no Hoare annotation was computed. [2023-11-06 22:38:26,890 INFO L899 garLoopResultBuilder]: For program point L372-3(lines 372 382) no Hoare annotation was computed. [2023-11-06 22:38:26,890 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 274) no Hoare annotation was computed. [2023-11-06 22:38:26,890 INFO L899 garLoopResultBuilder]: For program point L637(lines 637 661) no Hoare annotation was computed. [2023-11-06 22:38:26,890 INFO L899 garLoopResultBuilder]: For program point L571(lines 571 575) no Hoare annotation was computed. [2023-11-06 22:38:26,891 INFO L899 garLoopResultBuilder]: For program point L538(lines 538 542) no Hoare annotation was computed. [2023-11-06 22:38:26,891 INFO L899 garLoopResultBuilder]: For program point L571-2(lines 571 575) no Hoare annotation was computed. [2023-11-06 22:38:26,891 INFO L899 garLoopResultBuilder]: For program point L472(lines 472 483) no Hoare annotation was computed. [2023-11-06 22:38:26,891 INFO L899 garLoopResultBuilder]: For program point L538-2(lines 219 597) no Hoare annotation was computed. [2023-11-06 22:38:26,891 INFO L899 garLoopResultBuilder]: For program point L439(lines 439 443) no Hoare annotation was computed. [2023-11-06 22:38:26,892 INFO L895 garLoopResultBuilder]: At program point L373(lines 356 391) the Hoare annotation is: (let ((.cse0 (<= 8528 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse1 (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2))) (or (and .cse0 .cse1 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8640) (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|))) (and .cse0 .cse1 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8544)))) [2023-11-06 22:38:26,892 INFO L899 garLoopResultBuilder]: For program point L274(line 274) no Hoare annotation was computed. [2023-11-06 22:38:26,892 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 246) no Hoare annotation was computed. [2023-11-06 22:38:26,892 INFO L899 garLoopResultBuilder]: For program point L274-1(line 274) no Hoare annotation was computed. [2023-11-06 22:38:26,892 INFO L899 garLoopResultBuilder]: For program point L208(lines 208 603) no Hoare annotation was computed. [2023-11-06 22:38:26,892 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 614) no Hoare annotation was computed. [2023-11-06 22:38:26,893 INFO L899 garLoopResultBuilder]: For program point L142(lines 142 625) no Hoare annotation was computed. [2023-11-06 22:38:26,893 INFO L895 garLoopResultBuilder]: At program point L109-2(lines 109 666) the Hoare annotation is: (let ((.cse0 (= 3 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|)) (.cse1 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8448)) (.cse2 (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (.cse3 (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8640)) (.cse4 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|)))) (or (and (<= 8672 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse0) (and .cse0 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 3) .cse1) (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|) (and .cse2 .cse3 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8640) .cse4) (< |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2) (and .cse0 .cse4 (<= 8656 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 4) (and .cse1 .cse2 .cse3 .cse4))) [2023-11-06 22:38:26,893 INFO L899 garLoopResultBuilder]: For program point L671(lines 671 675) no Hoare annotation was computed. [2023-11-06 22:38:26,893 INFO L899 garLoopResultBuilder]: For program point L638(lines 638 647) no Hoare annotation was computed. [2023-11-06 22:38:26,894 INFO L899 garLoopResultBuilder]: For program point L671-2(lines 671 675) no Hoare annotation was computed. [2023-11-06 22:38:26,894 INFO L899 garLoopResultBuilder]: For program point L638-2(lines 637 659) no Hoare annotation was computed. [2023-11-06 22:38:26,894 INFO L899 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2023-11-06 22:38:26,894 INFO L899 garLoopResultBuilder]: For program point L11(line 11) no Hoare annotation was computed. [2023-11-06 22:38:26,894 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 686 697) the Hoare annotation is: true [2023-11-06 22:38:26,894 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 512) no Hoare annotation was computed. [2023-11-06 22:38:26,895 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 379) no Hoare annotation was computed. [2023-11-06 22:38:26,895 INFO L899 garLoopResultBuilder]: For program point L408-1(line 408) no Hoare annotation was computed. [2023-11-06 22:38:26,895 INFO L899 garLoopResultBuilder]: For program point L408-3(lines 408 428) no Hoare annotation was computed. [2023-11-06 22:38:26,895 INFO L899 garLoopResultBuilder]: For program point L640(lines 640 644) no Hoare annotation was computed. [2023-11-06 22:38:26,895 INFO L899 garLoopResultBuilder]: For program point L409(line 409) no Hoare annotation was computed. [2023-11-06 22:38:26,895 INFO L899 garLoopResultBuilder]: For program point L409-2(line 409) no Hoare annotation was computed. [2023-11-06 22:38:26,896 INFO L899 garLoopResultBuilder]: For program point L409-4(lines 409 415) no Hoare annotation was computed. [2023-11-06 22:38:26,896 INFO L895 garLoopResultBuilder]: At program point ssl3_accept_switch_1_8481#1(lines 127 630) the Hoare annotation is: (and (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8528)) [2023-11-06 22:38:26,896 INFO L899 garLoopResultBuilder]: For program point L211(lines 211 602) no Hoare annotation was computed. [2023-11-06 22:38:26,896 INFO L899 garLoopResultBuilder]: For program point L178(lines 178 613) no Hoare annotation was computed. [2023-11-06 22:38:26,896 INFO L899 garLoopResultBuilder]: For program point L145(lines 145 624) no Hoare annotation was computed. [2023-11-06 22:38:26,896 INFO L899 garLoopResultBuilder]: For program point L112(lines 112 635) no Hoare annotation was computed. [2023-11-06 22:38:26,897 INFO L899 garLoopResultBuilder]: For program point L476(lines 476 480) no Hoare annotation was computed. [2023-11-06 22:38:26,897 INFO L899 garLoopResultBuilder]: For program point L511(lines 511 515) no Hoare annotation was computed. [2023-11-06 22:38:26,897 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 512) no Hoare annotation was computed. [2023-11-06 22:38:26,897 INFO L899 garLoopResultBuilder]: For program point L511-2(lines 219 597) no Hoare annotation was computed. [2023-11-06 22:38:26,897 INFO L899 garLoopResultBuilder]: For program point L247(lines 247 252) no Hoare annotation was computed. [2023-11-06 22:38:26,898 INFO L899 garLoopResultBuilder]: For program point L214(lines 214 601) no Hoare annotation was computed. [2023-11-06 22:38:26,898 INFO L899 garLoopResultBuilder]: For program point L181(lines 181 612) no Hoare annotation was computed. [2023-11-06 22:38:26,898 INFO L899 garLoopResultBuilder]: For program point L148(lines 148 623) no Hoare annotation was computed. [2023-11-06 22:38:26,898 INFO L899 garLoopResultBuilder]: For program point L115(lines 115 634) no Hoare annotation was computed. [2023-11-06 22:38:26,898 INFO L899 garLoopResultBuilder]: For program point L512(line 512) no Hoare annotation was computed. [2023-11-06 22:38:26,898 INFO L899 garLoopResultBuilder]: For program point L512-1(line 512) no Hoare annotation was computed. [2023-11-06 22:38:26,898 INFO L899 garLoopResultBuilder]: For program point L512-2(line 512) no Hoare annotation was computed. [2023-11-06 22:38:26,899 INFO L899 garLoopResultBuilder]: For program point L512-3(line 512) no Hoare annotation was computed. [2023-11-06 22:38:26,899 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 512) no Hoare annotation was computed. [2023-11-06 22:38:26,899 INFO L899 garLoopResultBuilder]: For program point L83(lines 83 91) no Hoare annotation was computed. [2023-11-06 22:38:26,899 INFO L899 garLoopResultBuilder]: For program point L282(lines 282 286) no Hoare annotation was computed. [2023-11-06 22:38:26,900 INFO L895 garLoopResultBuilder]: At program point ssl3_accept_switch_1_8657#1(lines 202 605) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2)) (.cse1 (<= 8528 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse2 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|)))) (or (and .cse0 (<= 8656 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (and .cse1 .cse0 .cse2) (and (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 1) .cse2) (and .cse1 (= 3 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|) .cse2))) [2023-11-06 22:38:26,900 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 320) no Hoare annotation was computed. [2023-11-06 22:38:26,900 INFO L899 garLoopResultBuilder]: For program point L316-2(lines 219 597) no Hoare annotation was computed. [2023-11-06 22:38:26,900 INFO L899 garLoopResultBuilder]: For program point L184(lines 184 611) no Hoare annotation was computed. [2023-11-06 22:38:26,900 INFO L899 garLoopResultBuilder]: For program point L151(lines 151 622) no Hoare annotation was computed. [2023-11-06 22:38:26,900 INFO L899 garLoopResultBuilder]: For program point L118(lines 118 633) no Hoare annotation was computed. [2023-11-06 22:38:26,901 INFO L899 garLoopResultBuilder]: For program point L581(lines 581 591) no Hoare annotation was computed. [2023-11-06 22:38:26,901 INFO L899 garLoopResultBuilder]: For program point L581-1(lines 581 591) no Hoare annotation was computed. [2023-11-06 22:38:26,901 INFO L899 garLoopResultBuilder]: For program point L449-1(lines 449 461) no Hoare annotation was computed. [2023-11-06 22:38:26,901 INFO L899 garLoopResultBuilder]: For program point L86(lines 86 90) no Hoare annotation was computed. [2023-11-06 22:38:26,901 INFO L899 garLoopResultBuilder]: For program point L86-2(lines 83 91) no Hoare annotation was computed. [2023-11-06 22:38:26,902 INFO L895 garLoopResultBuilder]: At program point L417(lines 408 428) the Hoare annotation is: (let ((.cse0 (<= 8528 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse1 (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2))) (or (and .cse0 .cse1 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8560)) (and .cse0 .cse1 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8640) (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|))))) [2023-11-06 22:38:26,902 INFO L899 garLoopResultBuilder]: For program point L351(line 351) no Hoare annotation was computed. [2023-11-06 22:38:26,902 INFO L899 garLoopResultBuilder]: For program point L351-2(line 351) no Hoare annotation was computed. [2023-11-06 22:38:26,902 INFO L899 garLoopResultBuilder]: For program point L351-4(lines 351 355) no Hoare annotation was computed. [2023-11-06 22:38:26,902 INFO L899 garLoopResultBuilder]: For program point L351-6(lines 219 597) no Hoare annotation was computed. [2023-11-06 22:38:26,902 INFO L902 garLoopResultBuilder]: At program point L682(lines 74 684) the Hoare annotation is: true [2023-11-06 22:38:26,903 INFO L899 garLoopResultBuilder]: For program point L649(lines 649 655) no Hoare annotation was computed. [2023-11-06 22:38:26,903 INFO L899 garLoopResultBuilder]: For program point L550(lines 550 555) no Hoare annotation was computed. [2023-11-06 22:38:26,903 INFO L899 garLoopResultBuilder]: For program point L187(lines 187 610) no Hoare annotation was computed. [2023-11-06 22:38:26,903 INFO L899 garLoopResultBuilder]: For program point L154(lines 154 621) no Hoare annotation was computed. [2023-11-06 22:38:26,903 INFO L899 garLoopResultBuilder]: For program point L121(lines 121 632) no Hoare annotation was computed. [2023-11-06 22:38:26,903 INFO L902 garLoopResultBuilder]: At program point ssl3_accept_switch_1_3#1(lines 214 601) the Hoare annotation is: true [2023-11-06 22:38:26,904 INFO L899 garLoopResultBuilder]: For program point L584(lines 584 588) no Hoare annotation was computed. [2023-11-06 22:38:26,904 INFO L899 garLoopResultBuilder]: For program point L452(lines 452 457) no Hoare annotation was computed. [2023-11-06 22:38:26,904 INFO L902 garLoopResultBuilder]: At program point ssl3_accept_switch_1_default#1(lines 217 600) the Hoare annotation is: true [2023-11-06 22:38:26,904 INFO L899 garLoopResultBuilder]: For program point L420(lines 420 424) no Hoare annotation was computed. [2023-11-06 22:38:26,904 INFO L902 garLoopResultBuilder]: At program point L222(lines 115 634) the Hoare annotation is: true [2023-11-06 22:38:26,905 INFO L895 garLoopResultBuilder]: At program point ssl3_accept_switch_1_8577#1(lines 178 613) the Hoare annotation is: (let ((.cse0 (<= 8528 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse1 (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2))) (or (and .cse0 .cse1 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8639)) (and .cse0 .cse1 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8640) (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|))))) [2023-11-06 22:38:26,905 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-06 22:38:26,905 INFO L899 garLoopResultBuilder]: For program point L190(lines 190 609) no Hoare annotation was computed. [2023-11-06 22:38:26,905 INFO L899 garLoopResultBuilder]: For program point L157(lines 157 620) no Hoare annotation was computed. [2023-11-06 22:38:26,905 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 631) no Hoare annotation was computed. [2023-11-06 22:38:26,905 INFO L895 garLoopResultBuilder]: At program point ssl3_accept_switch_1_8641#1(lines 196 607) the Hoare annotation is: (or (and (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3) (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8640) (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8640) (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|))) (and (<= 8528 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2))) [2023-11-06 22:38:26,906 INFO L899 garLoopResultBuilder]: For program point L521(lines 521 525) no Hoare annotation was computed. [2023-11-06 22:38:26,906 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 492) no Hoare annotation was computed. [2023-11-06 22:38:26,906 INFO L899 garLoopResultBuilder]: For program point L521-2(lines 521 525) no Hoare annotation was computed. [2023-11-06 22:38:26,906 INFO L902 garLoopResultBuilder]: At program point ssl3_accept_ERROR#1(lines 74 684) the Hoare annotation is: true [2023-11-06 22:38:26,906 INFO L902 garLoopResultBuilder]: At program point ssl3_accept_returnLabel#1(lines 19 685) the Hoare annotation is: true [2023-11-06 22:38:26,907 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 512) no Hoare annotation was computed. [2023-11-06 22:38:26,907 INFO L899 garLoopResultBuilder]: For program point L93(line 93) no Hoare annotation was computed. [2023-11-06 22:38:26,907 INFO L899 garLoopResultBuilder]: For program point L93-2(line 93) no Hoare annotation was computed. [2023-11-06 22:38:26,907 INFO L899 garLoopResultBuilder]: For program point L93-4(lines 93 101) no Hoare annotation was computed. [2023-11-06 22:38:26,907 INFO L899 garLoopResultBuilder]: For program point L93-5(lines 74 684) no Hoare annotation was computed. [2023-11-06 22:38:26,907 INFO L899 garLoopResultBuilder]: For program point L193(lines 193 608) no Hoare annotation was computed. [2023-11-06 22:38:26,908 INFO L899 garLoopResultBuilder]: For program point L160(lines 160 619) no Hoare annotation was computed. [2023-11-06 22:38:26,908 INFO L899 garLoopResultBuilder]: For program point L127(lines 127 630) no Hoare annotation was computed. [2023-11-06 22:38:26,908 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 272) no Hoare annotation was computed. [2023-11-06 22:38:26,908 INFO L895 garLoopResultBuilder]: At program point $Ultimate##139(line 335) the Hoare annotation is: (and (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8528)) [2023-11-06 22:38:26,908 INFO L899 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2023-11-06 22:38:26,909 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-06 22:38:26,909 INFO L899 garLoopResultBuilder]: For program point L94-2(line 94) no Hoare annotation was computed. [2023-11-06 22:38:26,909 INFO L899 garLoopResultBuilder]: For program point L94-4(lines 94 98) no Hoare annotation was computed. [2023-11-06 22:38:26,909 INFO L895 garLoopResultBuilder]: At program point ssl3_accept_switch_1_8673#1(lines 208 603) the Hoare annotation is: (let ((.cse0 (<= 8672 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (or (and .cse0 (= 3 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|)) (and .cse0 (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2)))) [2023-11-06 22:38:26,909 INFO L899 garLoopResultBuilder]: For program point L359(line 359) no Hoare annotation was computed. [2023-11-06 22:38:26,909 INFO L899 garLoopResultBuilder]: For program point L326(lines 326 330) no Hoare annotation was computed. [2023-11-06 22:38:26,910 INFO L899 garLoopResultBuilder]: For program point L359-2(line 359) no Hoare annotation was computed. [2023-11-06 22:38:26,910 INFO L899 garLoopResultBuilder]: For program point L326-2(lines 326 330) no Hoare annotation was computed. [2023-11-06 22:38:26,910 INFO L899 garLoopResultBuilder]: For program point L227(lines 227 231) no Hoare annotation was computed. [2023-11-06 22:38:26,910 INFO L899 garLoopResultBuilder]: For program point L359-4(lines 359 390) no Hoare annotation was computed. [2023-11-06 22:38:26,910 INFO L899 garLoopResultBuilder]: For program point L227-2(lines 219 597) no Hoare annotation was computed. [2023-11-06 22:38:26,910 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 272) no Hoare annotation was computed. [2023-11-06 22:38:26,911 INFO L895 garLoopResultBuilder]: At program point ssl3_accept_switch_1_8609#1(lines 190 609) the Hoare annotation is: (let ((.cse0 (<= 8528 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse1 (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2))) (or (and .cse0 .cse1 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8639)) (and .cse0 .cse1 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8640) (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|))))) [2023-11-06 22:38:26,911 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-06 22:38:26,911 INFO L895 garLoopResultBuilder]: At program point ssl3_accept_switch_1_8466#1(lines 136 627) the Hoare annotation is: (and (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8528)) [2023-11-06 22:38:26,911 INFO L902 garLoopResultBuilder]: At program point ssl3_accept_switch_1_12292#1(lines 112 635) the Hoare annotation is: true [2023-11-06 22:38:26,912 INFO L895 garLoopResultBuilder]: At program point $Ultimate##285(lines 636 664) the Hoare annotation is: (let ((.cse0 (= 3 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|)) (.cse1 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8448)) (.cse2 (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (.cse3 (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8640)) (.cse4 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|)))) (or (and (<= 8672 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse0) (and .cse0 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 3) .cse1) (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|) (and .cse2 .cse3 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8640) .cse4) (< |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2) (and .cse0 .cse4 (<= 8656 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 4) (and .cse1 .cse2 .cse3 .cse4))) [2023-11-06 22:38:26,912 INFO L899 garLoopResultBuilder]: For program point L196(lines 196 607) no Hoare annotation was computed. [2023-11-06 22:38:26,912 INFO L899 garLoopResultBuilder]: For program point L163(lines 163 618) no Hoare annotation was computed. [2023-11-06 22:38:26,912 INFO L899 garLoopResultBuilder]: For program point L130(lines 130 629) no Hoare annotation was computed. [2023-11-06 22:38:26,912 INFO L899 garLoopResultBuilder]: For program point L560(lines 560 564) no Hoare annotation was computed. [2023-11-06 22:38:26,912 INFO L899 garLoopResultBuilder]: For program point L362(lines 362 389) no Hoare annotation was computed. [2023-11-06 22:38:26,913 INFO L899 garLoopResultBuilder]: For program point L362-1(lines 362 389) no Hoare annotation was computed. [2023-11-06 22:38:26,913 INFO L895 garLoopResultBuilder]: At program point $Ultimate##217(line 408) the Hoare annotation is: (let ((.cse0 (<= 8528 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse1 (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2))) (or (and .cse0 .cse1 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8560)) (and .cse0 .cse1 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8640) (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|))))) [2023-11-06 22:38:26,913 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-06 22:38:26,913 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 386) no Hoare annotation was computed. [2023-11-06 22:38:26,913 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 276) no Hoare annotation was computed. [2023-11-06 22:38:26,914 INFO L895 garLoopResultBuilder]: At program point ssl3_accept_switch_1_8561#1(lines 169 616) the Hoare annotation is: (let ((.cse0 (<= 8528 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse1 (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2))) (or (and .cse0 .cse1 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8640) (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|))) (and .cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8575) .cse1))) [2023-11-06 22:38:26,914 INFO L899 garLoopResultBuilder]: For program point L265(lines 265 270) no Hoare annotation was computed. [2023-11-06 22:38:26,914 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 606) no Hoare annotation was computed. [2023-11-06 22:38:26,914 INFO L899 garLoopResultBuilder]: For program point L166(lines 166 617) no Hoare annotation was computed. [2023-11-06 22:38:26,914 INFO L899 garLoopResultBuilder]: For program point L133(lines 133 628) no Hoare annotation was computed. [2023-11-06 22:38:26,914 INFO L895 garLoopResultBuilder]: At program point $Ultimate##239(lines 449 461) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8448)) (.cse1 (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3))) (or (and (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 3) .cse0 .cse1) (and (<= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2) .cse0) (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8640) (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|))))) [2023-11-06 22:38:26,915 INFO L899 garLoopResultBuilder]: For program point L398(lines 398 429) no Hoare annotation was computed. [2023-11-06 22:38:26,915 INFO L899 garLoopResultBuilder]: For program point L299(lines 299 303) no Hoare annotation was computed. [2023-11-06 22:38:26,915 INFO L899 garLoopResultBuilder]: For program point L299-2(lines 219 597) no Hoare annotation was computed. [2023-11-06 22:38:26,919 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, 1, 1] [2023-11-06 22:38:26,921 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:38:26,976 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:38:26 BoogieIcfgContainer [2023-11-06 22:38:26,976 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:38:26,977 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:38:26,977 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:38:26,977 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:38:26,978 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:37:58" (3/4) ... [2023-11-06 22:38:26,980 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:38:27,002 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-06 22:38:27,004 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-06 22:38:27,005 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 22:38:27,007 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:38:27,220 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:38:27,228 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:38:27,228 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:38:27,229 INFO L158 Benchmark]: Toolchain (without parser) took 31036.46ms. Allocated memory was 184.5MB in the beginning and 465.6MB in the end (delta: 281.0MB). Free memory was 148.1MB in the beginning and 179.8MB in the end (delta: -31.7MB). Peak memory consumption was 248.9MB. Max. memory is 16.1GB. [2023-11-06 22:38:27,229 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 125.8MB. Free memory is still 93.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:38:27,230 INFO L158 Benchmark]: CACSL2BoogieTranslator took 556.50ms. Allocated memory is still 184.5MB. Free memory was 148.1MB in the beginning and 145.5MB in the end (delta: 2.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-06 22:38:27,230 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.25ms. Allocated memory is still 184.5MB. Free memory was 145.5MB in the beginning and 142.1MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:38:27,234 INFO L158 Benchmark]: Boogie Preprocessor took 104.60ms. Allocated memory is still 184.5MB. Free memory was 142.1MB in the beginning and 140.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:38:27,234 INFO L158 Benchmark]: RCFGBuilder took 1226.63ms. Allocated memory is still 184.5MB. Free memory was 140.0MB in the beginning and 98.1MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-06 22:38:27,235 INFO L158 Benchmark]: TraceAbstraction took 28800.35ms. Allocated memory was 184.5MB in the beginning and 465.6MB in the end (delta: 281.0MB). Free memory was 98.1MB in the beginning and 193.4MB in the end (delta: -95.3MB). Peak memory consumption was 240.0MB. Max. memory is 16.1GB. [2023-11-06 22:38:27,235 INFO L158 Benchmark]: Witness Printer took 251.60ms. Allocated memory is still 465.6MB. Free memory was 193.4MB in the beginning and 179.8MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 22:38:27,237 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 125.8MB. Free memory is still 93.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 556.50ms. Allocated memory is still 184.5MB. Free memory was 148.1MB in the beginning and 145.5MB in the end (delta: 2.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.25ms. Allocated memory is still 184.5MB. Free memory was 145.5MB in the beginning and 142.1MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 104.60ms. Allocated memory is still 184.5MB. Free memory was 142.1MB in the beginning and 140.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1226.63ms. Allocated memory is still 184.5MB. Free memory was 140.0MB in the beginning and 98.1MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * TraceAbstraction took 28800.35ms. Allocated memory was 184.5MB in the beginning and 465.6MB in the end (delta: 281.0MB). Free memory was 98.1MB in the beginning and 193.4MB in the end (delta: -95.3MB). Peak memory consumption was 240.0MB. Max. memory is 16.1GB. * Witness Printer took 251.60ms. Allocated memory is still 465.6MB. Free memory was 193.4MB in the beginning and 179.8MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. 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: 272]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 272]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 274]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 274]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 512]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 512]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 512]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 512]: 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, 176 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 28.7s, OverallIterations: 22, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 7.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2907 SdHoareTripleChecker+Valid, 4.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2907 mSDsluCounter, 9896 SdHoareTripleChecker+Invalid, 3.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4286 mSDsCounter, 485 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2940 IncrementalHoareTripleChecker+Invalid, 3425 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 485 mSolverCounterUnsat, 5610 mSDtfsCounter, 2940 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5835 GetRequests, 5794 SyntacticMatches, 2 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5893occurred in iteration=15, InterpolantAutomatonStates: 79, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.5s AutomataMinimizationTime, 22 MinimizatonAttempts, 4255 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 29 LocationsWithAnnotation, 29 PreInvPairs, 550 NumberOfFragments, 504 HoareAnnotationTreeSize, 29 FomulaSimplifications, 21860 FormulaSimplificationTreeSizeReduction, 4.0s HoareSimplificationTime, 29 FomulaSimplificationsInter, 4890 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 7519 NumberOfCodeBlocks, 7519 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 5838 ConstructedInterpolants, 0 QuantifiedInterpolants, 8712 SizeOfPredicates, 3 NumberOfNonLiveVariables, 8485 ConjunctsInSsa, 56 ConjunctsInUnsatCore, 25 InterpolantComputations, 19 PerfectInterpolantSequences, 18286/18442 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 8 specifications checked. All of them hold - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: (((((8528 <= s__state) && (blastFlag <= 2)) && (s__state <= 8640)) && !((0 == s__hit))) || (((8528 <= s__state) && (blastFlag <= 2)) && (s__state <= 8544))) - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: ((((8528 <= s__state) && (blastFlag <= 2)) && (s__state <= 8560)) || ((((8528 <= s__state) && (blastFlag <= 2)) && (s__state <= 8640)) && !((0 == s__hit)))) - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: ((blastFlag <= 2) && (s__state <= 8528)) - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: ((((8528 <= s__state) && (blastFlag <= 2)) && (s__state <= 8639)) || ((((8528 <= s__state) && (blastFlag <= 2)) && (s__state <= 8640)) && !((0 == s__hit)))) - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: ((((8528 <= s__state) && (blastFlag <= 2)) && (s__state <= 8639)) || ((((8528 <= s__state) && (blastFlag <= 2)) && (s__state <= 8640)) && !((0 == s__hit)))) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: ((blastFlag <= 2) && (s__state <= 8528)) - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: ((((8528 <= s__state) && (blastFlag <= 2)) && (s__state <= 8639)) || ((((8528 <= s__state) && (blastFlag <= 2)) && (s__state <= 8640)) && !((0 == s__hit)))) - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: (((8672 <= s__state) && (3 == blastFlag)) || ((8672 <= s__state) && (blastFlag <= 2))) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: ((blastFlag <= 2) && (s__state <= 8528)) - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: (((((blastFlag <= 3) && (s__s3__tmp__next_state___0 == 8640)) && (s__state == 8640)) && !((0 == s__hit))) || ((8528 <= s__state) && (blastFlag <= 2))) - InvariantResult [Line: 115]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: (((((8528 <= s__state) && (blastFlag <= 2)) && (s__state <= 8640)) && !((0 == s__hit))) || (((8528 <= s__state) && (blastFlag <= 2)) && (s__state <= 8544))) - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: (s__state < 8529) - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: (((((8528 <= s__state) && (blastFlag <= 2)) && (s__state <= 8640)) && !((0 == s__hit))) || (((8528 <= s__state) && (s__state <= 8575)) && (blastFlag <= 2))) - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: (((((s__s3__tmp__next_state___0 <= 3) && (s__state <= 8448)) && (blastFlag <= 3)) || ((blastFlag <= 2) && (s__state <= 8448))) || ((((s__state <= 8448) && (blastFlag <= 3)) && (s__s3__tmp__next_state___0 == 8640)) && !((0 == s__hit)))) - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: (((((blastFlag <= 2) && (8656 <= s__state)) || (((8528 <= s__state) && (blastFlag <= 2)) && !((0 == s__hit)))) || ((blastFlag <= 1) && !((0 == s__hit)))) || (((8528 <= s__state) && (3 == blastFlag)) && !((0 == s__hit)))) - InvariantResult [Line: 397]: Loop Invariant Derived loop invariant: ((((8528 <= s__state) && (blastFlag <= 2)) && (s__state <= 8560)) || ((((8528 <= s__state) && (blastFlag <= 2)) && (s__state <= 8640)) && !((0 == s__hit)))) - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: ((((8528 <= s__state) && (blastFlag <= 2)) && (s__state <= 8560)) || ((((8528 <= s__state) && (blastFlag <= 2)) && (s__state <= 8640)) && !((0 == s__hit)))) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: (((((((((8672 <= s__state) && (3 == blastFlag)) || (((3 == blastFlag) && (s__s3__tmp__next_state___0 <= 3)) && (s__state <= 8448))) || (2 == blastFlag)) || ((((blastFlag <= 3) && (s__s3__tmp__next_state___0 == 8640)) && (s__state == 8640)) && !((0 == s__hit)))) || (blastFlag < 2)) || (((3 == blastFlag) && !((0 == s__hit))) && (8656 <= s__state))) || (s__state < 4)) || ((((s__state <= 8448) && (blastFlag <= 3)) && (s__s3__tmp__next_state___0 == 8640)) && !((0 == s__hit)))) - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: ((blastFlag <= 2) && (s__state <= 8528)) - InvariantResult [Line: 636]: Loop Invariant Derived loop invariant: (((((((((8672 <= s__state) && (3 == blastFlag)) || (((3 == blastFlag) && (s__s3__tmp__next_state___0 <= 3)) && (s__state <= 8448))) || (2 == blastFlag)) || ((((blastFlag <= 3) && (s__s3__tmp__next_state___0 == 8640)) && (s__state == 8640)) && !((0 == s__hit)))) || (blastFlag < 2)) || (((3 == blastFlag) && !((0 == s__hit))) && (8656 <= s__state))) || (s__state < 4)) || ((((s__state <= 8448) && (blastFlag <= 3)) && (s__s3__tmp__next_state___0 == 8640)) && !((0 == s__hit)))) RESULT: Ultimate proved your program to be correct! [2023-11-06 22:38:27,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_785fe402-0e47-42e4-b85d-a168f8f1a26a/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE