./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4fc63b2a 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_26167f79-37dc-4f12-98c9-b966b3ab9f78/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26167f79-37dc-4f12-98c9-b966b3ab9f78/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26167f79-37dc-4f12-98c9-b966b3ab9f78/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26167f79-37dc-4f12-98c9-b966b3ab9f78/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26167f79-37dc-4f12-98c9-b966b3ab9f78/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26167f79-37dc-4f12-98c9-b966b3ab9f78/bin/uautomizer-verify-4GaUIPS5ZU --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 72f1855a37efd37cce37062be898d726c14815dc11ea2d177e7b762da78d5470 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 21:59:23,901 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 21:59:23,975 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26167f79-37dc-4f12-98c9-b966b3ab9f78/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-31 21:59:23,979 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 21:59:23,980 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 21:59:24,002 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 21:59:24,003 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 21:59:24,004 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 21:59:24,004 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 21:59:24,005 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 21:59:24,005 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 21:59:24,006 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 21:59:24,007 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 21:59:24,007 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 21:59:24,008 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 21:59:24,008 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 21:59:24,009 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 21:59:24,009 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 21:59:24,010 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 21:59:24,010 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 21:59:24,011 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 21:59:24,011 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 21:59:24,012 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 21:59:24,012 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 21:59:24,013 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 21:59:24,017 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-31 21:59:24,018 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 21:59:24,018 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 21:59:24,018 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 21:59:24,018 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 21:59:24,019 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 21:59:24,019 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 21:59:24,019 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 21:59:24,020 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 21:59:24,020 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:59:24,020 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 21:59:24,021 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 21:59:24,021 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 21:59:24,021 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 21:59:24,022 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 21:59:24,022 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 21:59:24,024 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 21:59:24,024 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 21:59:24,025 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 21:59:24,025 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_26167f79-37dc-4f12-98c9-b966b3ab9f78/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26167f79-37dc-4f12-98c9-b966b3ab9f78/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72f1855a37efd37cce37062be898d726c14815dc11ea2d177e7b762da78d5470 [2024-10-31 21:59:24,361 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 21:59:24,386 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 21:59:24,390 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 21:59:24,391 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 21:59:24,392 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 21:59:24,393 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26167f79-37dc-4f12-98c9-b966b3ab9f78/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound1.c Unable to find full path for "g++" [2024-10-31 21:59:26,396 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 21:59:26,588 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 21:59:26,588 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26167f79-37dc-4f12-98c9-b966b3ab9f78/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound1.c [2024-10-31 21:59:26,596 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26167f79-37dc-4f12-98c9-b966b3ab9f78/bin/uautomizer-verify-4GaUIPS5ZU/data/f02972f71/e123dd0938694279beef8f0c97f1cdfe/FLAG380caefe1 [2024-10-31 21:59:26,611 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26167f79-37dc-4f12-98c9-b966b3ab9f78/bin/uautomizer-verify-4GaUIPS5ZU/data/f02972f71/e123dd0938694279beef8f0c97f1cdfe [2024-10-31 21:59:26,614 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 21:59:26,615 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 21:59:26,617 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 21:59:26,617 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 21:59:26,623 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 21:59:26,624 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:59:26" (1/1) ... [2024-10-31 21:59:26,625 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d96804b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:26, skipping insertion in model container [2024-10-31 21:59:26,625 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:59:26" (1/1) ... [2024-10-31 21:59:26,651 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 21:59:26,844 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:59:26,859 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 21:59:26,877 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:59:26,895 INFO L204 MainTranslator]: Completed translation [2024-10-31 21:59:26,895 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:26 WrapperNode [2024-10-31 21:59:26,896 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 21:59:26,897 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 21:59:26,897 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 21:59:26,897 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 21:59:26,905 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:26" (1/1) ... [2024-10-31 21:59:26,911 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:26" (1/1) ... [2024-10-31 21:59:26,937 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 87 [2024-10-31 21:59:26,939 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 21:59:26,940 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 21:59:26,944 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 21:59:26,944 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 21:59:26,981 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:26" (1/1) ... [2024-10-31 21:59:26,982 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:26" (1/1) ... [2024-10-31 21:59:26,983 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:26" (1/1) ... [2024-10-31 21:59:27,028 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-31 21:59:27,029 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:26" (1/1) ... [2024-10-31 21:59:27,029 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:26" (1/1) ... [2024-10-31 21:59:27,035 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:26" (1/1) ... [2024-10-31 21:59:27,038 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:26" (1/1) ... [2024-10-31 21:59:27,045 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:26" (1/1) ... [2024-10-31 21:59:27,046 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:26" (1/1) ... [2024-10-31 21:59:27,047 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 21:59:27,056 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 21:59:27,056 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 21:59:27,056 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 21:59:27,057 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:26" (1/1) ... [2024-10-31 21:59:27,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:59:27,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26167f79-37dc-4f12-98c9-b966b3ab9f78/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:27,090 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26167f79-37dc-4f12-98c9-b966b3ab9f78/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 21:59:27,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26167f79-37dc-4f12-98c9-b966b3ab9f78/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 21:59:27,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 21:59:27,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 21:59:27,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 21:59:27,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 21:59:27,129 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-31 21:59:27,129 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-31 21:59:27,183 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 21:59:27,185 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 21:59:27,583 INFO L? ?]: Removed 61 outVars from TransFormulas that were not future-live. [2024-10-31 21:59:27,584 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 21:59:27,598 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 21:59:27,599 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 21:59:27,599 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:59:27 BoogieIcfgContainer [2024-10-31 21:59:27,599 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 21:59:27,601 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 21:59:27,601 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 21:59:27,605 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 21:59:27,605 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 09:59:26" (1/3) ... [2024-10-31 21:59:27,606 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63a66024 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:59:27, skipping insertion in model container [2024-10-31 21:59:27,606 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:59:26" (2/3) ... [2024-10-31 21:59:27,606 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63a66024 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:59:27, skipping insertion in model container [2024-10-31 21:59:27,606 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:59:27" (3/3) ... [2024-10-31 21:59:27,608 INFO L112 eAbstractionObserver]: Analyzing ICFG ps3-ll_valuebound1.c [2024-10-31 21:59:27,624 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 21:59:27,624 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2024-10-31 21:59:27,688 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 21:59:27,696 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4c56e52f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 21:59:27,696 INFO L334 AbstractCegarLoop]: Starting to check reachability of 44 error locations. [2024-10-31 21:59:27,700 INFO L276 IsEmpty]: Start isEmpty. Operand has 106 states, 58 states have (on average 1.8448275862068966) internal successors, (107), 102 states have internal predecessors, (107), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-31 21:59:27,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-31 21:59:27,705 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:59:27,706 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-31 21:59:27,706 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-31 21:59:27,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:27,711 INFO L85 PathProgramCache]: Analyzing trace with hash 889508903, now seen corresponding path program 1 times [2024-10-31 21:59:27,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:27,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285677813] [2024-10-31 21:59:27,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:27,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:27,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:27,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:27,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:59:27,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285677813] [2024-10-31 21:59:27,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285677813] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:59:27,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:59:27,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:59:27,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448360540] [2024-10-31 21:59:27,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:59:27,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 21:59:27,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:59:27,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 21:59:27,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 21:59:27,881 INFO L87 Difference]: Start difference. First operand has 106 states, 58 states have (on average 1.8448275862068966) internal successors, (107), 102 states have internal predecessors, (107), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:59:27,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:59:27,907 INFO L93 Difference]: Finished difference Result 203 states and 219 transitions. [2024-10-31 21:59:27,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 21:59:27,909 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-31 21:59:27,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:59:27,915 INFO L225 Difference]: With dead ends: 203 [2024-10-31 21:59:27,915 INFO L226 Difference]: Without dead ends: 94 [2024-10-31 21:59:27,917 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 21:59:27,920 INFO L432 NwaCegarLoop]: 101 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, 101 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 [2024-10-31 21:59:27,921 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 21:59:27,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-10-31 21:59:27,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-10-31 21:59:27,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 53 states have (on average 1.7358490566037736) internal successors, (92), 91 states have internal predecessors, (92), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 21:59:27,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 94 transitions. [2024-10-31 21:59:27,963 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 94 transitions. Word has length 6 [2024-10-31 21:59:27,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:59:27,963 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 94 transitions. [2024-10-31 21:59:27,964 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:59:27,964 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 94 transitions. [2024-10-31 21:59:27,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-31 21:59:27,964 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:59:27,964 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-31 21:59:27,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 21:59:27,965 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-31 21:59:27,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:27,966 INFO L85 PathProgramCache]: Analyzing trace with hash 889568486, now seen corresponding path program 1 times [2024-10-31 21:59:27,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:27,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200441518] [2024-10-31 21:59:27,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:27,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:27,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:28,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:28,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:59:28,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200441518] [2024-10-31 21:59:28,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200441518] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:59:28,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:59:28,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:59:28,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239913306] [2024-10-31 21:59:28,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:59:28,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:59:28,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:59:28,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:59:28,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:59:28,071 INFO L87 Difference]: Start difference. First operand 94 states and 94 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:59:28,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:59:28,241 INFO L93 Difference]: Finished difference Result 167 states and 181 transitions. [2024-10-31 21:59:28,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:59:28,242 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-31 21:59:28,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:59:28,244 INFO L225 Difference]: With dead ends: 167 [2024-10-31 21:59:28,245 INFO L226 Difference]: Without dead ends: 162 [2024-10-31 21:59:28,245 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:59:28,249 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 65 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 21:59:28,249 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 121 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 21:59:28,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2024-10-31 21:59:28,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 124. [2024-10-31 21:59:28,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 82 states have (on average 1.7195121951219512) internal successors, (141), 120 states have internal predecessors, (141), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-31 21:59:28,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 145 transitions. [2024-10-31 21:59:28,277 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 145 transitions. Word has length 6 [2024-10-31 21:59:28,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:59:28,277 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 145 transitions. [2024-10-31 21:59:28,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:59:28,278 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 145 transitions. [2024-10-31 21:59:28,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-31 21:59:28,278 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:59:28,278 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:59:28,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 21:59:28,279 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-31 21:59:28,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:28,281 INFO L85 PathProgramCache]: Analyzing trace with hash 176824808, now seen corresponding path program 1 times [2024-10-31 21:59:28,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:28,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953823304] [2024-10-31 21:59:28,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:28,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:28,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:28,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:28,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:59:28,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953823304] [2024-10-31 21:59:28,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953823304] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:59:28,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:59:28,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:59:28,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961822807] [2024-10-31 21:59:28,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:59:28,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:59:28,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:59:28,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:59:28,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:59:28,392 INFO L87 Difference]: Start difference. First operand 124 states and 145 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:59:28,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:59:28,645 INFO L93 Difference]: Finished difference Result 160 states and 174 transitions. [2024-10-31 21:59:28,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:59:28,646 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-10-31 21:59:28,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:59:28,648 INFO L225 Difference]: With dead ends: 160 [2024-10-31 21:59:28,650 INFO L226 Difference]: Without dead ends: 142 [2024-10-31 21:59:28,651 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:59:28,652 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 40 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-31 21:59:28,655 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 71 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-31 21:59:28,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2024-10-31 21:59:28,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 136. [2024-10-31 21:59:28,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 94 states have (on average 1.5425531914893618) internal successors, (145), 132 states have internal predecessors, (145), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-31 21:59:28,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 149 transitions. [2024-10-31 21:59:28,678 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 149 transitions. Word has length 8 [2024-10-31 21:59:28,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:59:28,679 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 149 transitions. [2024-10-31 21:59:28,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:59:28,679 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 149 transitions. [2024-10-31 21:59:28,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-31 21:59:28,680 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:59:28,680 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:59:28,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 21:59:28,680 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-31 21:59:28,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:28,681 INFO L85 PathProgramCache]: Analyzing trace with hash 2083520750, now seen corresponding path program 1 times [2024-10-31 21:59:28,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:28,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131235333] [2024-10-31 21:59:28,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:28,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:28,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:28,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:28,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:59:28,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131235333] [2024-10-31 21:59:28,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131235333] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:59:28,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:59:28,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 21:59:28,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563002136] [2024-10-31 21:59:28,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:59:28,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 21:59:28,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:59:28,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 21:59:28,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-31 21:59:28,857 INFO L87 Difference]: Start difference. First operand 136 states and 149 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:59:29,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:59:29,156 INFO L93 Difference]: Finished difference Result 150 states and 158 transitions. [2024-10-31 21:59:29,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 21:59:29,157 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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 14 [2024-10-31 21:59:29,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:59:29,159 INFO L225 Difference]: With dead ends: 150 [2024-10-31 21:59:29,159 INFO L226 Difference]: Without dead ends: 144 [2024-10-31 21:59:29,159 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-31 21:59:29,180 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 47 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-31 21:59:29,181 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 119 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-31 21:59:29,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2024-10-31 21:59:29,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 139. [2024-10-31 21:59:29,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 97 states have (on average 1.4948453608247423) internal successors, (145), 135 states have internal predecessors, (145), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-31 21:59:29,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 149 transitions. [2024-10-31 21:59:29,204 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 149 transitions. Word has length 14 [2024-10-31 21:59:29,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:59:29,205 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 149 transitions. [2024-10-31 21:59:29,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:59:29,205 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 149 transitions. [2024-10-31 21:59:29,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-10-31 21:59:29,206 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:59:29,206 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:59:29,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 21:59:29,206 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-31 21:59:29,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:29,209 INFO L85 PathProgramCache]: Analyzing trace with hash 164633878, now seen corresponding path program 1 times [2024-10-31 21:59:29,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:29,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437826207] [2024-10-31 21:59:29,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:29,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:29,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-31 21:59:29,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [309530835] [2024-10-31 21:59:29,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:29,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:59:29,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26167f79-37dc-4f12-98c9-b966b3ab9f78/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:29,292 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26167f79-37dc-4f12-98c9-b966b3ab9f78/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 21:59:29,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26167f79-37dc-4f12-98c9-b966b3ab9f78/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-31 21:59:29,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:29,365 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 21:59:29,371 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:59:29,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:29,560 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 21:59:29,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:59:29,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437826207] [2024-10-31 21:59:29,565 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-31 21:59:29,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [309530835] [2024-10-31 21:59:29,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [309530835] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:59:29,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:59:29,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:59:29,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383779119] [2024-10-31 21:59:29,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:59:29,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:59:29,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:59:29,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:59:29,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:59:29,569 INFO L87 Difference]: Start difference. First operand 139 states and 149 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:59:29,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:59:29,796 INFO L93 Difference]: Finished difference Result 148 states and 150 transitions. [2024-10-31 21:59:29,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:59:29,797 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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 15 [2024-10-31 21:59:29,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:59:29,799 INFO L225 Difference]: With dead ends: 148 [2024-10-31 21:59:29,799 INFO L226 Difference]: Without dead ends: 124 [2024-10-31 21:59:29,800 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:59:29,801 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 33 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-31 21:59:29,805 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 71 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-31 21:59:29,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-10-31 21:59:29,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 122. [2024-10-31 21:59:29,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 80 states have (on average 1.525) internal successors, (122), 118 states have internal predecessors, (122), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-31 21:59:29,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 126 transitions. [2024-10-31 21:59:29,822 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 126 transitions. Word has length 15 [2024-10-31 21:59:29,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:59:29,823 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 126 transitions. [2024-10-31 21:59:29,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:59:29,823 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 126 transitions. [2024-10-31 21:59:29,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-10-31 21:59:29,824 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:59:29,824 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:59:29,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26167f79-37dc-4f12-98c9-b966b3ab9f78/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-31 21:59:30,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26167f79-37dc-4f12-98c9-b966b3ab9f78/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:59:30,025 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-31 21:59:30,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:30,026 INFO L85 PathProgramCache]: Analyzing trace with hash 1504079858, now seen corresponding path program 1 times [2024-10-31 21:59:30,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:30,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853934777] [2024-10-31 21:59:30,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:30,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:30,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:30,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-31 21:59:30,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:30,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:30,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:59:30,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853934777] [2024-10-31 21:59:30,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853934777] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:59:30,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:59:30,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:59:30,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114136867] [2024-10-31 21:59:30,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:59:30,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:59:30,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:59:30,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:59:30,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:59:30,222 INFO L87 Difference]: Start difference. First operand 122 states and 126 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 21:59:30,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:59:30,245 INFO L93 Difference]: Finished difference Result 124 states and 126 transitions. [2024-10-31 21:59:30,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:59:30,246 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2024-10-31 21:59:30,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:59:30,249 INFO L225 Difference]: With dead ends: 124 [2024-10-31 21:59:30,249 INFO L226 Difference]: Without dead ends: 122 [2024-10-31 21:59:30,250 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:59:30,251 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 1 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 21:59:30,253 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 177 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 21:59:30,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-10-31 21:59:30,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2024-10-31 21:59:30,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 80 states have (on average 1.5) internal successors, (120), 118 states have internal predecessors, (120), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-31 21:59:30,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 124 transitions. [2024-10-31 21:59:30,269 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 124 transitions. Word has length 30 [2024-10-31 21:59:30,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:59:30,271 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 124 transitions. [2024-10-31 21:59:30,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 21:59:30,271 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 124 transitions. [2024-10-31 21:59:30,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-10-31 21:59:30,272 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:59:30,275 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:59:30,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-31 21:59:30,276 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-31 21:59:30,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:30,277 INFO L85 PathProgramCache]: Analyzing trace with hash -900368208, now seen corresponding path program 1 times [2024-10-31 21:59:30,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:30,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656893277] [2024-10-31 21:59:30,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:30,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:30,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-31 21:59:30,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1361786878] [2024-10-31 21:59:30,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:30,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:59:30,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26167f79-37dc-4f12-98c9-b966b3ab9f78/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:30,315 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26167f79-37dc-4f12-98c9-b966b3ab9f78/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 21:59:30,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26167f79-37dc-4f12-98c9-b966b3ab9f78/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-31 21:59:30,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:30,371 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-31 21:59:30,373 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:59:30,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:30,500 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 21:59:30,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:59:30,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656893277] [2024-10-31 21:59:30,500 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-31 21:59:30,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1361786878] [2024-10-31 21:59:30,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1361786878] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:59:30,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:59:30,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 21:59:30,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749904083] [2024-10-31 21:59:30,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:59:30,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 21:59:30,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:59:30,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 21:59:30,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 21:59:30,503 INFO L87 Difference]: Start difference. First operand 122 states and 124 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 21:59:30,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:59:30,763 INFO L93 Difference]: Finished difference Result 191 states and 206 transitions. [2024-10-31 21:59:30,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 21:59:30,764 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 35 [2024-10-31 21:59:30,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:59:30,765 INFO L225 Difference]: With dead ends: 191 [2024-10-31 21:59:30,765 INFO L226 Difference]: Without dead ends: 172 [2024-10-31 21:59:30,765 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 21:59:30,766 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 50 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-31 21:59:30,766 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 96 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-31 21:59:30,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2024-10-31 21:59:30,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 162. [2024-10-31 21:59:30,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 119 states have (on average 1.4621848739495797) internal successors, (174), 157 states have internal predecessors, (174), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-31 21:59:30,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 180 transitions. [2024-10-31 21:59:30,787 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 180 transitions. Word has length 35 [2024-10-31 21:59:30,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:59:30,787 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 180 transitions. [2024-10-31 21:59:30,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 21:59:30,790 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 180 transitions. [2024-10-31 21:59:30,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-10-31 21:59:30,791 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:59:30,791 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:59:30,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26167f79-37dc-4f12-98c9-b966b3ab9f78/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-31 21:59:30,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26167f79-37dc-4f12-98c9-b966b3ab9f78/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:59:30,995 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-31 21:59:30,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:30,996 INFO L85 PathProgramCache]: Analyzing trace with hash -1965418062, now seen corresponding path program 1 times [2024-10-31 21:59:30,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:30,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498382858] [2024-10-31 21:59:30,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:30,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:31,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:31,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-31 21:59:31,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:31,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:31,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:59:31,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498382858] [2024-10-31 21:59:31,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498382858] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:59:31,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:59:31,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 21:59:31,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886663934] [2024-10-31 21:59:31,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:59:31,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 21:59:31,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:59:31,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 21:59:31,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-31 21:59:31,203 INFO L87 Difference]: Start difference. First operand 162 states and 180 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 21:59:31,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:59:31,416 INFO L93 Difference]: Finished difference Result 163 states and 180 transitions. [2024-10-31 21:59:31,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 21:59:31,417 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 37 [2024-10-31 21:59:31,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:59:31,418 INFO L225 Difference]: With dead ends: 163 [2024-10-31 21:59:31,418 INFO L226 Difference]: Without dead ends: 162 [2024-10-31 21:59:31,418 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-31 21:59:31,419 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 23 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-31 21:59:31,420 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 143 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-31 21:59:31,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2024-10-31 21:59:31,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2024-10-31 21:59:31,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 119 states have (on average 1.453781512605042) internal successors, (173), 157 states have internal predecessors, (173), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-31 21:59:31,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 179 transitions. [2024-10-31 21:59:31,427 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 179 transitions. Word has length 37 [2024-10-31 21:59:31,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:59:31,427 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 179 transitions. [2024-10-31 21:59:31,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 21:59:31,428 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 179 transitions. [2024-10-31 21:59:31,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-10-31 21:59:31,428 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:59:31,429 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:59:31,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-31 21:59:31,429 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-31 21:59:31,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:31,429 INFO L85 PathProgramCache]: Analyzing trace with hash 1018854196, now seen corresponding path program 1 times [2024-10-31 21:59:31,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:31,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519629374] [2024-10-31 21:59:31,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:31,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:31,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-31 21:59:31,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [207871810] [2024-10-31 21:59:31,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:31,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:59:31,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26167f79-37dc-4f12-98c9-b966b3ab9f78/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:31,450 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26167f79-37dc-4f12-98c9-b966b3ab9f78/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 21:59:31,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26167f79-37dc-4f12-98c9-b966b3ab9f78/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-31 21:59:31,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:31,544 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-31 21:59:31,546 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:59:31,722 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-31 21:59:31,722 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 21:59:31,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:59:31,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519629374] [2024-10-31 21:59:31,722 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-31 21:59:31,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [207871810] [2024-10-31 21:59:31,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [207871810] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:59:31,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:59:31,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:59:31,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215014848] [2024-10-31 21:59:31,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:59:31,723 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:59:31,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:59:31,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:59:31,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:59:31,724 INFO L87 Difference]: Start difference. First operand 162 states and 179 transitions. Second operand has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 21:59:31,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:59:31,822 INFO L93 Difference]: Finished difference Result 162 states and 179 transitions. [2024-10-31 21:59:31,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:59:31,822 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 39 [2024-10-31 21:59:31,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:59:31,823 INFO L225 Difference]: With dead ends: 162 [2024-10-31 21:59:31,824 INFO L226 Difference]: Without dead ends: 159 [2024-10-31 21:59:31,824 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:59:31,825 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 39 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 21:59:31,825 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 65 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 21:59:31,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2024-10-31 21:59:31,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2024-10-31 21:59:31,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 119 states have (on average 1.411764705882353) internal successors, (168), 154 states have internal predecessors, (168), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-31 21:59:31,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 174 transitions. [2024-10-31 21:59:31,835 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 174 transitions. Word has length 39 [2024-10-31 21:59:31,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:59:31,835 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 174 transitions. [2024-10-31 21:59:31,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 21:59:31,835 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 174 transitions. [2024-10-31 21:59:31,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-10-31 21:59:31,836 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:59:31,836 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:59:31,858 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26167f79-37dc-4f12-98c9-b966b3ab9f78/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-31 21:59:32,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26167f79-37dc-4f12-98c9-b966b3ab9f78/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:59:32,037 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-31 21:59:32,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:32,038 INFO L85 PathProgramCache]: Analyzing trace with hash 1519709056, now seen corresponding path program 1 times [2024-10-31 21:59:32,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:32,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693389009] [2024-10-31 21:59:32,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:32,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:32,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-31 21:59:32,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [528275311] [2024-10-31 21:59:32,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:32,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:59:32,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26167f79-37dc-4f12-98c9-b966b3ab9f78/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:32,061 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26167f79-37dc-4f12-98c9-b966b3ab9f78/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 21:59:32,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26167f79-37dc-4f12-98c9-b966b3ab9f78/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-31 21:59:32,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:32,123 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-31 21:59:32,124 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:59:32,352 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:32,352 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 21:59:32,516 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:32,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:59:32,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693389009] [2024-10-31 21:59:32,517 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-31 21:59:32,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [528275311] [2024-10-31 21:59:32,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [528275311] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 21:59:32,517 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-31 21:59:32,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-10-31 21:59:32,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632603640] [2024-10-31 21:59:32,518 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-31 21:59:32,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-31 21:59:32,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:59:32,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-31 21:59:32,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-31 21:59:32,523 INFO L87 Difference]: Start difference. First operand 159 states and 174 transitions. Second operand has 8 states, 7 states have (on average 10.0) internal successors, (70), 8 states have internal predecessors, (70), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-31 21:59:33,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:59:33,095 INFO L93 Difference]: Finished difference Result 175 states and 191 transitions. [2024-10-31 21:59:33,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-31 21:59:33,095 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.0) internal successors, (70), 8 states have internal predecessors, (70), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 40 [2024-10-31 21:59:33,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:59:33,097 INFO L225 Difference]: With dead ends: 175 [2024-10-31 21:59:33,097 INFO L226 Difference]: Without dead ends: 171 [2024-10-31 21:59:33,097 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-10-31 21:59:33,098 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 172 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-31 21:59:33,098 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 139 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 396 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-31 21:59:33,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2024-10-31 21:59:33,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 165. [2024-10-31 21:59:33,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 126 states have (on average 1.3650793650793651) internal successors, (172), 160 states have internal predecessors, (172), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-31 21:59:33,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 178 transitions. [2024-10-31 21:59:33,107 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 178 transitions. Word has length 40 [2024-10-31 21:59:33,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:59:33,108 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 178 transitions. [2024-10-31 21:59:33,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.0) internal successors, (70), 8 states have internal predecessors, (70), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-31 21:59:33,108 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 178 transitions. [2024-10-31 21:59:33,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-10-31 21:59:33,109 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:59:33,109 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:59:33,130 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26167f79-37dc-4f12-98c9-b966b3ab9f78/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-31 21:59:33,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26167f79-37dc-4f12-98c9-b966b3ab9f78/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:59:33,310 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-31 21:59:33,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:33,311 INFO L85 PathProgramCache]: Analyzing trace with hash -2027908804, now seen corresponding path program 1 times [2024-10-31 21:59:33,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:33,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651940303] [2024-10-31 21:59:33,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:33,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:33,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-31 21:59:33,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [323780319] [2024-10-31 21:59:33,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:33,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:59:33,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26167f79-37dc-4f12-98c9-b966b3ab9f78/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:33,342 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26167f79-37dc-4f12-98c9-b966b3ab9f78/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 21:59:33,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26167f79-37dc-4f12-98c9-b966b3ab9f78/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-31 21:59:33,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:33,400 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 21:59:33,403 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:59:33,520 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:33,521 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 21:59:33,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:59:33,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651940303] [2024-10-31 21:59:33,521 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-31 21:59:33,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [323780319] [2024-10-31 21:59:33,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [323780319] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:59:33,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:59:33,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 21:59:33,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095370166] [2024-10-31 21:59:33,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:59:33,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 21:59:33,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:59:33,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 21:59:33,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:59:33,524 INFO L87 Difference]: Start difference. First operand 165 states and 178 transitions. Second operand has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 21:59:33,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:59:33,709 INFO L93 Difference]: Finished difference Result 165 states and 178 transitions. [2024-10-31 21:59:33,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 21:59:33,710 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 47 [2024-10-31 21:59:33,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:59:33,712 INFO L225 Difference]: With dead ends: 165 [2024-10-31 21:59:33,712 INFO L226 Difference]: Without dead ends: 154 [2024-10-31 21:59:33,713 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:59:33,715 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 110 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-31 21:59:33,715 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 26 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-31 21:59:33,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2024-10-31 21:59:33,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2024-10-31 21:59:33,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 126 states have (on average 1.246031746031746) internal successors, (157), 149 states have internal predecessors, (157), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-31 21:59:33,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 163 transitions. [2024-10-31 21:59:33,723 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 163 transitions. Word has length 47 [2024-10-31 21:59:33,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:59:33,725 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 163 transitions. [2024-10-31 21:59:33,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 21:59:33,725 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 163 transitions. [2024-10-31 21:59:33,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-10-31 21:59:33,726 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:59:33,727 INFO L215 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] [2024-10-31 21:59:33,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26167f79-37dc-4f12-98c9-b966b3ab9f78/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-31 21:59:33,927 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26167f79-37dc-4f12-98c9-b966b3ab9f78/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:59:33,928 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-31 21:59:33,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:33,928 INFO L85 PathProgramCache]: Analyzing trace with hash 1559336584, now seen corresponding path program 1 times [2024-10-31 21:59:33,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:33,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038399460] [2024-10-31 21:59:33,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:33,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:33,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-31 21:59:33,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [580464400] [2024-10-31 21:59:33,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:33,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:59:33,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26167f79-37dc-4f12-98c9-b966b3ab9f78/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:33,947 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26167f79-37dc-4f12-98c9-b966b3ab9f78/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 21:59:33,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26167f79-37dc-4f12-98c9-b966b3ab9f78/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-31 21:59:34,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:34,016 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-31 21:59:34,018 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:59:34,226 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:34,227 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 21:59:34,410 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:59:34,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:59:34,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038399460] [2024-10-31 21:59:34,411 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-31 21:59:34,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [580464400] [2024-10-31 21:59:34,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [580464400] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 21:59:34,411 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-31 21:59:34,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-10-31 21:59:34,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972775700] [2024-10-31 21:59:34,412 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-31 21:59:34,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-31 21:59:34,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:59:34,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-31 21:59:34,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-10-31 21:59:34,414 INFO L87 Difference]: Start difference. First operand 154 states and 163 transitions. Second operand has 8 states, 7 states have (on average 12.285714285714286) internal successors, (86), 8 states have internal predecessors, (86), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-31 21:59:35,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:59:35,050 INFO L93 Difference]: Finished difference Result 169 states and 182 transitions. [2024-10-31 21:59:35,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-31 21:59:35,051 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 12.285714285714286) internal successors, (86), 8 states have internal predecessors, (86), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 48 [2024-10-31 21:59:35,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:59:35,052 INFO L225 Difference]: With dead ends: 169 [2024-10-31 21:59:35,052 INFO L226 Difference]: Without dead ends: 141 [2024-10-31 21:59:35,053 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2024-10-31 21:59:35,054 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 72 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 410 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-31 21:59:35,054 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 99 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 410 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-31 21:59:35,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-10-31 21:59:35,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 139. [2024-10-31 21:59:35,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 116 states have (on average 1.2241379310344827) internal successors, (142), 134 states have internal predecessors, (142), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-31 21:59:35,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 148 transitions. [2024-10-31 21:59:35,064 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 148 transitions. Word has length 48 [2024-10-31 21:59:35,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:59:35,065 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 148 transitions. [2024-10-31 21:59:35,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 12.285714285714286) internal successors, (86), 8 states have internal predecessors, (86), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-31 21:59:35,065 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 148 transitions. [2024-10-31 21:59:35,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-10-31 21:59:35,066 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:59:35,067 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:59:35,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26167f79-37dc-4f12-98c9-b966b3ab9f78/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-31 21:59:35,267 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26167f79-37dc-4f12-98c9-b966b3ab9f78/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-10-31 21:59:35,268 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-31 21:59:35,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:35,268 INFO L85 PathProgramCache]: Analyzing trace with hash -1523014592, now seen corresponding path program 1 times [2024-10-31 21:59:35,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:35,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127267415] [2024-10-31 21:59:35,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:35,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:35,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:35,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-31 21:59:35,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:35,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-31 21:59:35,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:35,385 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-31 21:59:35,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:59:35,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127267415] [2024-10-31 21:59:35,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127267415] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 21:59:35,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1632621906] [2024-10-31 21:59:35,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:35,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:59:35,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26167f79-37dc-4f12-98c9-b966b3ab9f78/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:35,388 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26167f79-37dc-4f12-98c9-b966b3ab9f78/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 21:59:35,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26167f79-37dc-4f12-98c9-b966b3ab9f78/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-31 21:59:35,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:35,453 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-31 21:59:35,454 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:59:35,558 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-31 21:59:35,558 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 21:59:35,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1632621906] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:59:35,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 21:59:35,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-10-31 21:59:35,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066771541] [2024-10-31 21:59:35,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:59:35,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 21:59:35,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:59:35,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 21:59:35,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:59:35,560 INFO L87 Difference]: Start difference. First operand 139 states and 148 transitions. Second operand has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-31 21:59:35,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:59:35,591 INFO L93 Difference]: Finished difference Result 139 states and 148 transitions. [2024-10-31 21:59:35,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 21:59:35,592 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 63 [2024-10-31 21:59:35,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:59:35,593 INFO L225 Difference]: With dead ends: 139 [2024-10-31 21:59:35,593 INFO L226 Difference]: Without dead ends: 138 [2024-10-31 21:59:35,593 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:59:35,594 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 13 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 21:59:35,594 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 154 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 21:59:35,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2024-10-31 21:59:35,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2024-10-31 21:59:35,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 116 states have (on average 1.206896551724138) internal successors, (140), 133 states have internal predecessors, (140), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-31 21:59:35,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 146 transitions. [2024-10-31 21:59:35,602 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 146 transitions. Word has length 63 [2024-10-31 21:59:35,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:59:35,603 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 146 transitions. [2024-10-31 21:59:35,603 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-31 21:59:35,603 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 146 transitions. [2024-10-31 21:59:35,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-10-31 21:59:35,604 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:59:35,604 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:59:35,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26167f79-37dc-4f12-98c9-b966b3ab9f78/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-10-31 21:59:35,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26167f79-37dc-4f12-98c9-b966b3ab9f78/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-31 21:59:35,809 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-31 21:59:35,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:35,809 INFO L85 PathProgramCache]: Analyzing trace with hash 31187998, now seen corresponding path program 1 times [2024-10-31 21:59:35,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:35,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210225812] [2024-10-31 21:59:35,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:35,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:35,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:35,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-31 21:59:35,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:35,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-31 21:59:35,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:35,919 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-31 21:59:35,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:59:35,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210225812] [2024-10-31 21:59:35,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210225812] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 21:59:35,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2021560375] [2024-10-31 21:59:35,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:35,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:59:35,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26167f79-37dc-4f12-98c9-b966b3ab9f78/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:35,922 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26167f79-37dc-4f12-98c9-b966b3ab9f78/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 21:59:35,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26167f79-37dc-4f12-98c9-b966b3ab9f78/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-31 21:59:35,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:35,976 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-31 21:59:35,978 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:59:36,070 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-31 21:59:36,071 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 21:59:36,181 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-31 21:59:36,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2021560375] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 21:59:36,182 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 21:59:36,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-10-31 21:59:36,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578740499] [2024-10-31 21:59:36,182 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 21:59:36,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-31 21:59:36,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:59:36,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 21:59:36,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-31 21:59:36,185 INFO L87 Difference]: Start difference. First operand 138 states and 146 transitions. Second operand has 7 states, 6 states have (on average 21.833333333333332) internal successors, (131), 7 states have internal predecessors, (131), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-31 21:59:36,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:59:36,236 INFO L93 Difference]: Finished difference Result 199 states and 207 transitions. [2024-10-31 21:59:36,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 21:59:36,236 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 21.833333333333332) internal successors, (131), 7 states have internal predecessors, (131), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 64 [2024-10-31 21:59:36,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:59:36,237 INFO L225 Difference]: With dead ends: 199 [2024-10-31 21:59:36,237 INFO L226 Difference]: Without dead ends: 198 [2024-10-31 21:59:36,238 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-31 21:59:36,239 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 32 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 21:59:36,239 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 257 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 21:59:36,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2024-10-31 21:59:36,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 179. [2024-10-31 21:59:36,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 155 states have (on average 1.2516129032258065) internal successors, (194), 172 states have internal predecessors, (194), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-31 21:59:36,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 204 transitions. [2024-10-31 21:59:36,248 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 204 transitions. Word has length 64 [2024-10-31 21:59:36,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:59:36,249 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 204 transitions. [2024-10-31 21:59:36,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 21.833333333333332) internal successors, (131), 7 states have internal predecessors, (131), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-31 21:59:36,249 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 204 transitions. [2024-10-31 21:59:36,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-10-31 21:59:36,254 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:59:36,254 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-10-31 21:59:36,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26167f79-37dc-4f12-98c9-b966b3ab9f78/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-31 21:59:36,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26167f79-37dc-4f12-98c9-b966b3ab9f78/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:59:36,455 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-31 21:59:36,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:36,455 INFO L85 PathProgramCache]: Analyzing trace with hash -1964100696, now seen corresponding path program 1 times [2024-10-31 21:59:36,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:36,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556667252] [2024-10-31 21:59:36,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:36,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:36,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:36,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-31 21:59:36,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:36,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-31 21:59:36,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:36,597 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-31 21:59:36,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:59:36,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556667252] [2024-10-31 21:59:36,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556667252] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:59:36,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:59:36,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 21:59:36,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622417928] [2024-10-31 21:59:36,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:59:36,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 21:59:36,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:59:36,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 21:59:36,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-31 21:59:36,600 INFO L87 Difference]: Start difference. First operand 179 states and 204 transitions. Second operand has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-31 21:59:36,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:59:36,686 INFO L93 Difference]: Finished difference Result 179 states and 204 transitions. [2024-10-31 21:59:36,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:59:36,687 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 74 [2024-10-31 21:59:36,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:59:36,688 INFO L225 Difference]: With dead ends: 179 [2024-10-31 21:59:36,688 INFO L226 Difference]: Without dead ends: 174 [2024-10-31 21:59:36,689 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-31 21:59:36,689 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 36 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 21:59:36,690 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 32 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 21:59:36,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2024-10-31 21:59:36,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2024-10-31 21:59:36,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 155 states have (on average 1.1870967741935483) internal successors, (184), 167 states have internal predecessors, (184), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-31 21:59:36,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 194 transitions. [2024-10-31 21:59:36,699 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 194 transitions. Word has length 74 [2024-10-31 21:59:36,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:59:36,699 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 194 transitions. [2024-10-31 21:59:36,699 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-31 21:59:36,699 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 194 transitions. [2024-10-31 21:59:36,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-10-31 21:59:36,700 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:59:36,700 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-10-31 21:59:36,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-31 21:59:36,701 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-31 21:59:36,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:36,701 INFO L85 PathProgramCache]: Analyzing trace with hash -757579376, now seen corresponding path program 1 times [2024-10-31 21:59:36,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:36,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509136445] [2024-10-31 21:59:36,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:36,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:36,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:36,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-31 21:59:36,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:36,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-31 21:59:36,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:36,773 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-10-31 21:59:36,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:59:36,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509136445] [2024-10-31 21:59:36,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509136445] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:59:36,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:59:36,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 21:59:36,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331475934] [2024-10-31 21:59:36,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:59:36,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 21:59:36,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:59:36,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 21:59:36,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-31 21:59:36,775 INFO L87 Difference]: Start difference. First operand 174 states and 194 transitions. Second operand has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-31 21:59:36,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:59:36,852 INFO L93 Difference]: Finished difference Result 174 states and 194 transitions. [2024-10-31 21:59:36,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 21:59:36,853 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 75 [2024-10-31 21:59:36,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:59:36,854 INFO L225 Difference]: With dead ends: 174 [2024-10-31 21:59:36,854 INFO L226 Difference]: Without dead ends: 173 [2024-10-31 21:59:36,854 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-31 21:59:36,855 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 30 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 21:59:36,855 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 32 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 21:59:36,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2024-10-31 21:59:36,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2024-10-31 21:59:36,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 155 states have (on average 1.167741935483871) internal successors, (181), 166 states have internal predecessors, (181), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-31 21:59:36,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 191 transitions. [2024-10-31 21:59:36,864 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 191 transitions. Word has length 75 [2024-10-31 21:59:36,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:59:36,864 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 191 transitions. [2024-10-31 21:59:36,864 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-31 21:59:36,864 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 191 transitions. [2024-10-31 21:59:36,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-10-31 21:59:36,865 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:59:36,865 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-10-31 21:59:36,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-31 21:59:36,866 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-31 21:59:36,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:36,866 INFO L85 PathProgramCache]: Analyzing trace with hash 2110661842, now seen corresponding path program 1 times [2024-10-31 21:59:36,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:36,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505372041] [2024-10-31 21:59:36,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:36,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:36,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:36,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-31 21:59:36,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:36,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-31 21:59:36,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:36,976 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 37 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-31 21:59:36,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:59:36,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505372041] [2024-10-31 21:59:36,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505372041] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 21:59:36,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1652311263] [2024-10-31 21:59:36,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:36,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:59:36,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26167f79-37dc-4f12-98c9-b966b3ab9f78/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:36,979 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26167f79-37dc-4f12-98c9-b966b3ab9f78/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 21:59:36,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26167f79-37dc-4f12-98c9-b966b3ab9f78/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-31 21:59:37,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:37,040 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 21:59:37,045 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:59:37,120 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 37 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-31 21:59:37,120 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 21:59:37,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1652311263] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 21:59:37,299 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-31 21:59:37,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2024-10-31 21:59:37,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696383059] [2024-10-31 21:59:37,299 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-31 21:59:37,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 21:59:37,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:59:37,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 21:59:37,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-10-31 21:59:37,301 INFO L87 Difference]: Start difference. First operand 173 states and 191 transitions. Second operand has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-31 21:59:37,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:59:37,436 INFO L93 Difference]: Finished difference Result 173 states and 191 transitions. [2024-10-31 21:59:37,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 21:59:37,437 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 77 [2024-10-31 21:59:37,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:59:37,438 INFO L225 Difference]: With dead ends: 173 [2024-10-31 21:59:37,439 INFO L226 Difference]: Without dead ends: 162 [2024-10-31 21:59:37,439 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-10-31 21:59:37,439 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 75 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 21:59:37,440 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 37 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 21:59:37,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2024-10-31 21:59:37,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2024-10-31 21:59:37,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 148 states have (on average 1.1216216216216217) internal successors, (166), 155 states have internal predecessors, (166), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-31 21:59:37,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 176 transitions. [2024-10-31 21:59:37,452 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 176 transitions. Word has length 77 [2024-10-31 21:59:37,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:59:37,453 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 176 transitions. [2024-10-31 21:59:37,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-31 21:59:37,453 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 176 transitions. [2024-10-31 21:59:37,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-10-31 21:59:37,454 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:59:37,454 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-10-31 21:59:37,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26167f79-37dc-4f12-98c9-b966b3ab9f78/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-31 21:59:37,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26167f79-37dc-4f12-98c9-b966b3ab9f78/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-10-31 21:59:37,655 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-10-31 21:59:37,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:59:37,655 INFO L85 PathProgramCache]: Analyzing trace with hash 1006007724, now seen corresponding path program 1 times [2024-10-31 21:59:37,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:59:37,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138139148] [2024-10-31 21:59:37,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:37,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:59:37,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:37,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-31 21:59:37,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:37,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-31 21:59:37,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:37,912 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 24 proven. 21 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-31 21:59:37,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:59:37,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138139148] [2024-10-31 21:59:37,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138139148] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 21:59:37,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1239906437] [2024-10-31 21:59:37,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:59:37,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:59:37,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26167f79-37dc-4f12-98c9-b966b3ab9f78/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:59:37,915 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26167f79-37dc-4f12-98c9-b966b3ab9f78/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 21:59:37,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26167f79-37dc-4f12-98c9-b966b3ab9f78/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-31 21:59:37,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:59:37,975 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-31 21:59:37,979 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:59:38,425 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-31 21:59:38,426 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 21:59:38,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1239906437] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:59:38,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 21:59:38,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 9 [2024-10-31 21:59:38,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220672190] [2024-10-31 21:59:38,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:59:38,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 21:59:38,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:59:38,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 21:59:38,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2024-10-31 21:59:38,428 INFO L87 Difference]: Start difference. First operand 162 states and 176 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-31 21:59:38,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:59:38,462 INFO L93 Difference]: Finished difference Result 166 states and 179 transitions. [2024-10-31 21:59:38,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 21:59:38,463 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 78 [2024-10-31 21:59:38,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:59:38,464 INFO L225 Difference]: With dead ends: 166 [2024-10-31 21:59:38,464 INFO L226 Difference]: Without dead ends: 0 [2024-10-31 21:59:38,464 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2024-10-31 21:59:38,465 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 0 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 21:59:38,465 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 135 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 21:59:38,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-31 21:59:38,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-31 21:59:38,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:59:38,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-31 21:59:38,467 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 78 [2024-10-31 21:59:38,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:59:38,467 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 21:59:38,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-31 21:59:38,467 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-31 21:59:38,467 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-31 21:59:38,470 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 44 remaining) [2024-10-31 21:59:38,471 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 44 remaining) [2024-10-31 21:59:38,471 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 44 remaining) [2024-10-31 21:59:38,471 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 44 remaining) [2024-10-31 21:59:38,471 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 44 remaining) [2024-10-31 21:59:38,471 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 44 remaining) [2024-10-31 21:59:38,472 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 44 remaining) [2024-10-31 21:59:38,472 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 44 remaining) [2024-10-31 21:59:38,472 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 44 remaining) [2024-10-31 21:59:38,472 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 44 remaining) [2024-10-31 21:59:38,472 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 44 remaining) [2024-10-31 21:59:38,473 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 44 remaining) [2024-10-31 21:59:38,473 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 44 remaining) [2024-10-31 21:59:38,473 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 44 remaining) [2024-10-31 21:59:38,473 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 44 remaining) [2024-10-31 21:59:38,473 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 44 remaining) [2024-10-31 21:59:38,474 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 44 remaining) [2024-10-31 21:59:38,474 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 44 remaining) [2024-10-31 21:59:38,474 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 44 remaining) [2024-10-31 21:59:38,474 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 44 remaining) [2024-10-31 21:59:38,474 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 44 remaining) [2024-10-31 21:59:38,475 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 44 remaining) [2024-10-31 21:59:38,475 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 44 remaining) [2024-10-31 21:59:38,475 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 44 remaining) [2024-10-31 21:59:38,475 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 44 remaining) [2024-10-31 21:59:38,475 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 44 remaining) [2024-10-31 21:59:38,475 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 44 remaining) [2024-10-31 21:59:38,476 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 44 remaining) [2024-10-31 21:59:38,476 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 44 remaining) [2024-10-31 21:59:38,476 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 44 remaining) [2024-10-31 21:59:38,476 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 44 remaining) [2024-10-31 21:59:38,476 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 44 remaining) [2024-10-31 21:59:38,476 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 44 remaining) [2024-10-31 21:59:38,477 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 44 remaining) [2024-10-31 21:59:38,477 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 44 remaining) [2024-10-31 21:59:38,477 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 44 remaining) [2024-10-31 21:59:38,477 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 44 remaining) [2024-10-31 21:59:38,477 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 44 remaining) [2024-10-31 21:59:38,478 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 44 remaining) [2024-10-31 21:59:38,478 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 44 remaining) [2024-10-31 21:59:38,478 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 44 remaining) [2024-10-31 21:59:38,478 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 44 remaining) [2024-10-31 21:59:38,478 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 44 remaining) [2024-10-31 21:59:38,478 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 44 remaining) [2024-10-31 21:59:38,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26167f79-37dc-4f12-98c9-b966b3ab9f78/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-31 21:59:38,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26167f79-37dc-4f12-98c9-b966b3ab9f78/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-31 21:59:38,689 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:59:38,695 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-31 21:59:38,765 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 21:59:38,792 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 09:59:38 BoogieIcfgContainer [2024-10-31 21:59:38,792 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 21:59:38,793 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 21:59:38,793 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 21:59:38,793 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 21:59:38,794 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:59:27" (3/4) ... [2024-10-31 21:59:38,797 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-10-31 21:59:38,802 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-10-31 21:59:38,809 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-10-31 21:59:38,810 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-10-31 21:59:38,810 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-31 21:59:38,810 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-31 21:59:38,903 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26167f79-37dc-4f12-98c9-b966b3ab9f78/bin/uautomizer-verify-4GaUIPS5ZU/witness.graphml [2024-10-31 21:59:38,906 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26167f79-37dc-4f12-98c9-b966b3ab9f78/bin/uautomizer-verify-4GaUIPS5ZU/witness.yml [2024-10-31 21:59:38,907 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 21:59:38,907 INFO L158 Benchmark]: Toolchain (without parser) took 12292.14ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 114.6MB in the beginning and 80.1MB in the end (delta: 34.5MB). Peak memory consumption was 65.6MB. Max. memory is 16.1GB. [2024-10-31 21:59:38,908 INFO L158 Benchmark]: CDTParser took 1.18ms. Allocated memory is still 107.0MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 21:59:38,908 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.32ms. Allocated memory is still 148.9MB. Free memory was 114.6MB in the beginning and 102.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-31 21:59:38,908 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.50ms. Allocated memory is still 148.9MB. Free memory was 102.0MB in the beginning and 100.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 21:59:38,908 INFO L158 Benchmark]: Boogie Preprocessor took 107.32ms. Allocated memory is still 148.9MB. Free memory was 100.6MB in the beginning and 119.6MB in the end (delta: -19.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 21:59:38,909 INFO L158 Benchmark]: RCFGBuilder took 543.68ms. Allocated memory is still 148.9MB. Free memory was 119.6MB in the beginning and 100.6MB in the end (delta: 19.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-31 21:59:38,909 INFO L158 Benchmark]: TraceAbstraction took 11190.97ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 99.7MB in the beginning and 85.3MB in the end (delta: 14.5MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. [2024-10-31 21:59:38,909 INFO L158 Benchmark]: Witness Printer took 114.02ms. Allocated memory is still 180.4MB. Free memory was 85.3MB in the beginning and 80.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-31 21:59:38,911 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.18ms. Allocated memory is still 107.0MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 279.32ms. Allocated memory is still 148.9MB. Free memory was 114.6MB in the beginning and 102.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.50ms. Allocated memory is still 148.9MB. Free memory was 102.0MB in the beginning and 100.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 107.32ms. Allocated memory is still 148.9MB. Free memory was 100.6MB in the beginning and 119.6MB in the end (delta: -19.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 543.68ms. Allocated memory is still 148.9MB. Free memory was 119.6MB in the beginning and 100.6MB in the end (delta: 19.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 11190.97ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 99.7MB in the beginning and 85.3MB in the end (delta: 14.5MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. * Witness Printer took 114.02ms. Allocated memory is still 180.4MB. Free memory was 85.3MB in the beginning and 80.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 106 locations, 44 error locations. Started 1 CEGAR loops. OverallTime: 11.0s, OverallIterations: 18, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 849 SdHoareTripleChecker+Valid, 3.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 838 mSDsluCounter, 1875 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 935 mSDsCounter, 104 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2036 IncrementalHoareTripleChecker+Invalid, 2140 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 104 mSolverCounterUnsat, 940 mSDtfsCounter, 2036 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 731 GetRequests, 675 SyntacticMatches, 1 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=179occurred in iteration=14, InterpolantAutomatonStates: 76, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 18 MinimizatonAttempts, 88 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 1262 NumberOfCodeBlocks, 1262 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 1165 ConstructedInterpolants, 0 QuantifiedInterpolants, 4633 SizeOfPredicates, 5 NumberOfNonLiveVariables, 922 ConjunctsInSsa, 52 ConjunctsInUnsatCore, 25 InterpolantComputations, 14 PerfectInterpolantSequences, 301/449 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 44 specifications checked. All of them hold - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: ((((((0 <= k) && (c == 0)) && (k <= 1)) && (y == 0)) && (x == 0)) || (((((0 <= k) && (k <= 1)) && (c == 1)) && (x == 1)) && (y == 1))) RESULT: Ultimate proved your program to be correct! [2024-10-31 21:59:38,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26167f79-37dc-4f12-98c9-b966b3ab9f78/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE