./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e1306-7277-4bf9-b9e9-4d7dcbfd0823/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e1306-7277-4bf9-b9e9-4d7dcbfd0823/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e1306-7277-4bf9-b9e9-4d7dcbfd0823/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e1306-7277-4bf9-b9e9-4d7dcbfd0823/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e1306-7277-4bf9-b9e9-4d7dcbfd0823/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e1306-7277-4bf9-b9e9-4d7dcbfd0823/bin/uautomizer-verify-BQ2R08f2Ya --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 133ba40f5b51c272364c51a4e246bcd97a40cd88b0bcd4bd92df8f8d6bb23a52 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 05:03:09,232 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 05:03:09,297 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e1306-7277-4bf9-b9e9-4d7dcbfd0823/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-29 05:03:09,301 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 05:03:09,302 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 05:03:09,325 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 05:03:09,326 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 05:03:09,326 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 05:03:09,327 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 05:03:09,327 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 05:03:09,328 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 05:03:09,328 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 05:03:09,329 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 05:03:09,330 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 05:03:09,330 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 05:03:09,331 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 05:03:09,331 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 05:03:09,332 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 05:03:09,332 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 05:03:09,333 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 05:03:09,333 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 05:03:09,334 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 05:03:09,335 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 05:03:09,335 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 05:03:09,335 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-29 05:03:09,336 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 05:03:09,336 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 05:03:09,337 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 05:03:09,337 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 05:03:09,338 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 05:03:09,338 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 05:03:09,338 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 05:03:09,339 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 05:03:09,339 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:03:09,339 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 05:03:09,340 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 05:03:09,340 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 05:03:09,340 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 05:03:09,340 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 05:03:09,340 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 05:03:09,341 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 05:03:09,341 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 05:03:09,341 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 05:03:09,341 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 05:03:09,342 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_a16e1306-7277-4bf9-b9e9-4d7dcbfd0823/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e1306-7277-4bf9-b9e9-4d7dcbfd0823/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 133ba40f5b51c272364c51a4e246bcd97a40cd88b0bcd4bd92df8f8d6bb23a52 [2023-11-29 05:03:09,573 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 05:03:09,595 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 05:03:09,597 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 05:03:09,599 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 05:03:09,599 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 05:03:09,600 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e1306-7277-4bf9-b9e9-4d7dcbfd0823/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c [2023-11-29 05:03:12,481 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 05:03:12,685 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 05:03:12,686 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e1306-7277-4bf9-b9e9-4d7dcbfd0823/sv-benchmarks/c/loop-invgen/apache-get-tag.i.v+lhb-reducer.c [2023-11-29 05:03:12,696 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e1306-7277-4bf9-b9e9-4d7dcbfd0823/bin/uautomizer-verify-BQ2R08f2Ya/data/643c3cb18/f1ca106905a645d689e9b3d0fca15718/FLAGb17cdc1db [2023-11-29 05:03:12,712 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e1306-7277-4bf9-b9e9-4d7dcbfd0823/bin/uautomizer-verify-BQ2R08f2Ya/data/643c3cb18/f1ca106905a645d689e9b3d0fca15718 [2023-11-29 05:03:12,715 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 05:03:12,717 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 05:03:12,718 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 05:03:12,718 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 05:03:12,724 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 05:03:12,725 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:03:12" (1/1) ... [2023-11-29 05:03:12,726 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62a5a4eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:03:12, skipping insertion in model container [2023-11-29 05:03:12,726 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:03:12" (1/1) ... [2023-11-29 05:03:12,764 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 05:03:12,969 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:03:12,981 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 05:03:13,019 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:03:13,031 INFO L206 MainTranslator]: Completed translation [2023-11-29 05:03:13,031 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:03:13 WrapperNode [2023-11-29 05:03:13,031 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 05:03:13,032 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 05:03:13,032 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 05:03:13,032 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 05:03:13,038 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:03:13" (1/1) ... [2023-11-29 05:03:13,045 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:03:13" (1/1) ... [2023-11-29 05:03:13,071 INFO L138 Inliner]: procedures = 14, calls = 25, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 288 [2023-11-29 05:03:13,072 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 05:03:13,072 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 05:03:13,072 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 05:03:13,073 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 05:03:13,082 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:03:13" (1/1) ... [2023-11-29 05:03:13,082 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:03:13" (1/1) ... [2023-11-29 05:03:13,085 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:03:13" (1/1) ... [2023-11-29 05:03:13,100 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]. [2023-11-29 05:03:13,100 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:03:13" (1/1) ... [2023-11-29 05:03:13,101 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:03:13" (1/1) ... [2023-11-29 05:03:13,107 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:03:13" (1/1) ... [2023-11-29 05:03:13,111 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:03:13" (1/1) ... [2023-11-29 05:03:13,113 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:03:13" (1/1) ... [2023-11-29 05:03:13,114 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:03:13" (1/1) ... [2023-11-29 05:03:13,118 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 05:03:13,119 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 05:03:13,119 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 05:03:13,119 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 05:03:13,120 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:03:13" (1/1) ... [2023-11-29 05:03:13,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:03:13,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e1306-7277-4bf9-b9e9-4d7dcbfd0823/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:03:13,149 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e1306-7277-4bf9-b9e9-4d7dcbfd0823/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 05:03:13,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e1306-7277-4bf9-b9e9-4d7dcbfd0823/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 05:03:13,175 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-29 05:03:13,176 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-29 05:03:13,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 05:03:13,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 05:03:13,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 05:03:13,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 05:03:13,243 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 05:03:13,245 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 05:03:13,503 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 05:03:13,530 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 05:03:13,530 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 05:03:13,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:03:13 BoogieIcfgContainer [2023-11-29 05:03:13,531 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 05:03:13,534 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 05:03:13,534 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 05:03:13,538 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 05:03:13,538 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 05:03:12" (1/3) ... [2023-11-29 05:03:13,539 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a2fddd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:03:13, skipping insertion in model container [2023-11-29 05:03:13,539 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:03:13" (2/3) ... [2023-11-29 05:03:13,540 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a2fddd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:03:13, skipping insertion in model container [2023-11-29 05:03:13,540 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:03:13" (3/3) ... [2023-11-29 05:03:13,541 INFO L112 eAbstractionObserver]: Analyzing ICFG apache-get-tag.i.v+lhb-reducer.c [2023-11-29 05:03:13,557 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 05:03:13,558 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2023-11-29 05:03:13,611 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 05:03:13,617 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2f61331e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 05:03:13,617 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2023-11-29 05:03:13,620 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 65 states have (on average 1.6153846153846154) internal successors, (105), 75 states have internal predecessors, (105), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-29 05:03:13,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-29 05:03:13,625 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:03:13,625 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2023-11-29 05:03:13,626 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-29 05:03:13,629 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:03:13,630 INFO L85 PathProgramCache]: Analyzing trace with hash 280837, now seen corresponding path program 1 times [2023-11-29 05:03:13,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:03:13,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113260052] [2023-11-29 05:03:13,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:03:13,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:03:13,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:03:13,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:03:13,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:03:13,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113260052] [2023-11-29 05:03:13,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113260052] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:03:13,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:03:13,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:03:13,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578415592] [2023-11-29 05:03:13,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:03:13,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:03:13,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:03:13,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:03:13,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:03:13,839 INFO L87 Difference]: Start difference. First operand has 95 states, 65 states have (on average 1.6153846153846154) internal successors, (105), 75 states have internal predecessors, (105), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:03:13,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:03:13,913 INFO L93 Difference]: Finished difference Result 97 states and 142 transitions. [2023-11-29 05:03:13,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:03:13,915 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2023-11-29 05:03:13,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:03:13,921 INFO L225 Difference]: With dead ends: 97 [2023-11-29 05:03:13,921 INFO L226 Difference]: Without dead ends: 45 [2023-11-29 05:03:13,924 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:03:13,928 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 2 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:03:13,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 176 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:03:13,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2023-11-29 05:03:13,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2023-11-29 05:03:13,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 36 states have (on average 1.3611111111111112) internal successors, (49), 44 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:03:13,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 49 transitions. [2023-11-29 05:03:13,959 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 49 transitions. Word has length 3 [2023-11-29 05:03:13,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:03:13,960 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 49 transitions. [2023-11-29 05:03:13,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:03:13,960 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 49 transitions. [2023-11-29 05:03:13,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-29 05:03:13,960 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:03:13,961 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-29 05:03:13,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 05:03:13,961 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-29 05:03:13,962 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:03:13,962 INFO L85 PathProgramCache]: Analyzing trace with hash 8705988, now seen corresponding path program 1 times [2023-11-29 05:03:13,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:03:13,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108394410] [2023-11-29 05:03:13,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:03:13,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:03:13,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:03:14,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:03:14,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:03:14,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108394410] [2023-11-29 05:03:14,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108394410] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:03:14,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:03:14,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-29 05:03:14,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629169001] [2023-11-29 05:03:14,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:03:14,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:03:14,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:03:14,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:03:14,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:03:14,012 INFO L87 Difference]: Start difference. First operand 45 states and 49 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:03:14,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:03:14,040 INFO L93 Difference]: Finished difference Result 45 states and 49 transitions. [2023-11-29 05:03:14,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:03:14,040 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2023-11-29 05:03:14,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:03:14,041 INFO L225 Difference]: With dead ends: 45 [2023-11-29 05:03:14,042 INFO L226 Difference]: Without dead ends: 44 [2023-11-29 05:03:14,042 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:03:14,044 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 44 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:03:14,044 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 34 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:03:14,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2023-11-29 05:03:14,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2023-11-29 05:03:14,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 36 states have (on average 1.3333333333333333) internal successors, (48), 43 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:03:14,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 48 transitions. [2023-11-29 05:03:14,051 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 48 transitions. Word has length 4 [2023-11-29 05:03:14,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:03:14,051 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 48 transitions. [2023-11-29 05:03:14,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:03:14,052 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 48 transitions. [2023-11-29 05:03:14,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-29 05:03:14,052 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:03:14,053 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:03:14,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 05:03:14,053 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-29 05:03:14,054 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:03:14,054 INFO L85 PathProgramCache]: Analyzing trace with hash -1160259088, now seen corresponding path program 1 times [2023-11-29 05:03:14,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:03:14,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014596885] [2023-11-29 05:03:14,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:03:14,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:03:14,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:03:14,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:03:14,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:03:14,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014596885] [2023-11-29 05:03:14,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014596885] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:03:14,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:03:14,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:03:14,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060097467] [2023-11-29 05:03:14,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:03:14,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:03:14,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:03:14,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:03:14,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:03:14,138 INFO L87 Difference]: Start difference. First operand 44 states and 48 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:03:14,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:03:14,211 INFO L93 Difference]: Finished difference Result 54 states and 58 transitions. [2023-11-29 05:03:14,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:03:14,211 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 10 [2023-11-29 05:03:14,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:03:14,213 INFO L225 Difference]: With dead ends: 54 [2023-11-29 05:03:14,213 INFO L226 Difference]: Without dead ends: 50 [2023-11-29 05:03:14,213 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:03:14,215 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 6 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:03:14,216 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 42 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:03:14,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2023-11-29 05:03:14,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2023-11-29 05:03:14,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 42 states have (on average 1.2857142857142858) internal successors, (54), 49 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:03:14,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 54 transitions. [2023-11-29 05:03:14,223 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 54 transitions. Word has length 10 [2023-11-29 05:03:14,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:03:14,223 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 54 transitions. [2023-11-29 05:03:14,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:03:14,224 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2023-11-29 05:03:14,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-29 05:03:14,225 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:03:14,225 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:03:14,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 05:03:14,225 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-29 05:03:14,226 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:03:14,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1825183615, now seen corresponding path program 1 times [2023-11-29 05:03:14,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:03:14,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543365276] [2023-11-29 05:03:14,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:03:14,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:03:14,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:03:14,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:03:14,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:03:14,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543365276] [2023-11-29 05:03:14,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543365276] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:03:14,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:03:14,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:03:14,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378027058] [2023-11-29 05:03:14,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:03:14,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 05:03:14,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:03:14,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:03:14,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:03:14,324 INFO L87 Difference]: Start difference. First operand 50 states and 54 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:03:14,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:03:14,409 INFO L93 Difference]: Finished difference Result 50 states and 54 transitions. [2023-11-29 05:03:14,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:03:14,409 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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 17 [2023-11-29 05:03:14,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:03:14,410 INFO L225 Difference]: With dead ends: 50 [2023-11-29 05:03:14,411 INFO L226 Difference]: Without dead ends: 46 [2023-11-29 05:03:14,411 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:03:14,412 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 29 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:03:14,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 21 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:03:14,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2023-11-29 05:03:14,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2023-11-29 05:03:14,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 42 states have (on average 1.1904761904761905) internal successors, (50), 45 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:03:14,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 50 transitions. [2023-11-29 05:03:14,417 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 50 transitions. Word has length 17 [2023-11-29 05:03:14,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:03:14,418 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 50 transitions. [2023-11-29 05:03:14,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:03:14,418 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2023-11-29 05:03:14,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-29 05:03:14,419 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:03:14,419 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:03:14,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 05:03:14,419 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-29 05:03:14,420 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:03:14,420 INFO L85 PathProgramCache]: Analyzing trace with hash 746117330, now seen corresponding path program 1 times [2023-11-29 05:03:14,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:03:14,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699857307] [2023-11-29 05:03:14,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:03:14,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:03:14,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:03:14,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:03:14,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:03:14,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699857307] [2023-11-29 05:03:14,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699857307] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:03:14,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:03:14,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:03:14,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628331797] [2023-11-29 05:03:14,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:03:14,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 05:03:14,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:03:14,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:03:14,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:03:14,501 INFO L87 Difference]: Start difference. First operand 46 states and 50 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:03:14,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:03:14,602 INFO L93 Difference]: Finished difference Result 75 states and 82 transitions. [2023-11-29 05:03:14,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:03:14,603 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2023-11-29 05:03:14,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:03:14,606 INFO L225 Difference]: With dead ends: 75 [2023-11-29 05:03:14,606 INFO L226 Difference]: Without dead ends: 71 [2023-11-29 05:03:14,606 INFO L412 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 [2023-11-29 05:03:14,608 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 23 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:03:14,609 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 28 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:03:14,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2023-11-29 05:03:14,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2023-11-29 05:03:14,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 67 states have (on average 1.164179104477612) internal successors, (78), 70 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:03:14,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 78 transitions. [2023-11-29 05:03:14,618 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 78 transitions. Word has length 18 [2023-11-29 05:03:14,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:03:14,619 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 78 transitions. [2023-11-29 05:03:14,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:03:14,619 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 78 transitions. [2023-11-29 05:03:14,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-29 05:03:14,621 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:03:14,621 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:03:14,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 05:03:14,622 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-29 05:03:14,622 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:03:14,624 INFO L85 PathProgramCache]: Analyzing trace with hash -2110404227, now seen corresponding path program 1 times [2023-11-29 05:03:14,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:03:14,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542781652] [2023-11-29 05:03:14,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:03:14,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:03:14,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:03:14,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:03:14,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:03:14,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542781652] [2023-11-29 05:03:14,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542781652] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:03:14,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:03:14,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:03:14,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279536286] [2023-11-29 05:03:14,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:03:14,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:03:14,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:03:14,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:03:14,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:03:14,745 INFO L87 Difference]: Start difference. First operand 71 states and 78 transitions. Second operand has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:03:14,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:03:14,864 INFO L93 Difference]: Finished difference Result 101 states and 111 transitions. [2023-11-29 05:03:14,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 05:03:14,865 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 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 24 [2023-11-29 05:03:14,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:03:14,866 INFO L225 Difference]: With dead ends: 101 [2023-11-29 05:03:14,866 INFO L226 Difference]: Without dead ends: 97 [2023-11-29 05:03:14,867 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:03:14,868 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 67 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:03:14,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 33 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:03:14,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2023-11-29 05:03:14,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2023-11-29 05:03:14,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 93 states have (on average 1.1505376344086022) internal successors, (107), 96 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:03:14,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 107 transitions. [2023-11-29 05:03:14,877 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 107 transitions. Word has length 24 [2023-11-29 05:03:14,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:03:14,878 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 107 transitions. [2023-11-29 05:03:14,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:03:14,878 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 107 transitions. [2023-11-29 05:03:14,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-29 05:03:14,879 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:03:14,880 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:03:14,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 05:03:14,880 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-29 05:03:14,880 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:03:14,881 INFO L85 PathProgramCache]: Analyzing trace with hash 332148840, now seen corresponding path program 1 times [2023-11-29 05:03:14,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:03:14,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235503788] [2023-11-29 05:03:14,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:03:14,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:03:14,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:03:15,010 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:03:15,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:03:15,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235503788] [2023-11-29 05:03:15,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235503788] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:03:15,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [273857925] [2023-11-29 05:03:15,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:03:15,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:03:15,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e1306-7277-4bf9-b9e9-4d7dcbfd0823/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:03:15,029 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e1306-7277-4bf9-b9e9-4d7dcbfd0823/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:03:15,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e1306-7277-4bf9-b9e9-4d7dcbfd0823/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 05:03:15,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:03:15,101 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 05:03:15,106 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:03:15,202 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:03:15,203 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:03:15,299 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:03:15,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [273857925] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 05:03:15,299 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 05:03:15,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2023-11-29 05:03:15,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061729769] [2023-11-29 05:03:15,300 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 05:03:15,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 05:03:15,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:03:15,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 05:03:15,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2023-11-29 05:03:15,302 INFO L87 Difference]: Start difference. First operand 97 states and 107 transitions. Second operand has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:03:15,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:03:15,596 INFO L93 Difference]: Finished difference Result 231 states and 272 transitions. [2023-11-29 05:03:15,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 05:03:15,596 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 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 31 [2023-11-29 05:03:15,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:03:15,598 INFO L225 Difference]: With dead ends: 231 [2023-11-29 05:03:15,598 INFO L226 Difference]: Without dead ends: 227 [2023-11-29 05:03:15,599 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2023-11-29 05:03:15,600 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 227 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 05:03:15,600 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [227 Valid, 63 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 05:03:15,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2023-11-29 05:03:15,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2023-11-29 05:03:15,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 223 states have (on average 1.1300448430493273) internal successors, (252), 226 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:03:15,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 252 transitions. [2023-11-29 05:03:15,616 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 252 transitions. Word has length 31 [2023-11-29 05:03:15,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:03:15,616 INFO L495 AbstractCegarLoop]: Abstraction has 227 states and 252 transitions. [2023-11-29 05:03:15,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 11 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:03:15,617 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 252 transitions. [2023-11-29 05:03:15,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-29 05:03:15,620 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:03:15,620 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:03:15,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e1306-7277-4bf9-b9e9-4d7dcbfd0823/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 05:03:15,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e1306-7277-4bf9-b9e9-4d7dcbfd0823/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:03:15,825 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-29 05:03:15,825 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:03:15,825 INFO L85 PathProgramCache]: Analyzing trace with hash 2003631315, now seen corresponding path program 1 times [2023-11-29 05:03:15,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:03:15,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043059939] [2023-11-29 05:03:15,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:03:15,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:03:15,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:03:16,091 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:03:16,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:03:16,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043059939] [2023-11-29 05:03:16,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043059939] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:03:16,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [777380132] [2023-11-29 05:03:16,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:03:16,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:03:16,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e1306-7277-4bf9-b9e9-4d7dcbfd0823/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:03:16,093 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e1306-7277-4bf9-b9e9-4d7dcbfd0823/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:03:16,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e1306-7277-4bf9-b9e9-4d7dcbfd0823/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 05:03:16,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:03:16,199 INFO L262 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 05:03:16,203 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:03:16,336 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:03:16,336 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:03:16,592 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:03:16,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [777380132] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 05:03:16,593 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 05:03:16,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 20 [2023-11-29 05:03:16,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42536630] [2023-11-29 05:03:16,593 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 05:03:16,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-11-29 05:03:16,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:03:16,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-11-29 05:03:16,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2023-11-29 05:03:16,596 INFO L87 Difference]: Start difference. First operand 227 states and 252 transitions. Second operand has 21 states, 20 states have (on average 6.75) internal successors, (135), 21 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:03:17,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:03:17,267 INFO L93 Difference]: Finished difference Result 491 states and 582 transitions. [2023-11-29 05:03:17,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-29 05:03:17,268 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.75) internal successors, (135), 21 states have internal predecessors, (135), 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 63 [2023-11-29 05:03:17,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:03:17,271 INFO L225 Difference]: With dead ends: 491 [2023-11-29 05:03:17,271 INFO L226 Difference]: Without dead ends: 487 [2023-11-29 05:03:17,272 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2023-11-29 05:03:17,273 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 756 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 455 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 756 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 05:03:17,274 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [756 Valid, 123 Invalid, 589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 455 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 05:03:17,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2023-11-29 05:03:17,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 487. [2023-11-29 05:03:17,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 487 states, 483 states have (on average 1.1221532091097308) internal successors, (542), 486 states have internal predecessors, (542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:03:17,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 542 transitions. [2023-11-29 05:03:17,300 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 542 transitions. Word has length 63 [2023-11-29 05:03:17,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:03:17,301 INFO L495 AbstractCegarLoop]: Abstraction has 487 states and 542 transitions. [2023-11-29 05:03:17,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.75) internal successors, (135), 21 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:03:17,301 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 542 transitions. [2023-11-29 05:03:17,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-29 05:03:17,310 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:03:17,310 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:03:17,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e1306-7277-4bf9-b9e9-4d7dcbfd0823/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 05:03:17,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e1306-7277-4bf9-b9e9-4d7dcbfd0823/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:03:17,516 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-29 05:03:17,517 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:03:17,517 INFO L85 PathProgramCache]: Analyzing trace with hash 1385527421, now seen corresponding path program 2 times [2023-11-29 05:03:17,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:03:17,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205366655] [2023-11-29 05:03:17,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:03:17,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:03:17,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:03:18,173 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 0 proven. 468 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:03:18,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:03:18,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205366655] [2023-11-29 05:03:18,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205366655] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:03:18,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [632083181] [2023-11-29 05:03:18,173 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 05:03:18,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:03:18,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e1306-7277-4bf9-b9e9-4d7dcbfd0823/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:03:18,174 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e1306-7277-4bf9-b9e9-4d7dcbfd0823/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:03:18,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e1306-7277-4bf9-b9e9-4d7dcbfd0823/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 05:03:18,252 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-29 05:03:18,252 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 05:03:18,253 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 05:03:18,257 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:03:18,551 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 16 proven. 24 refuted. 0 times theorem prover too weak. 428 trivial. 0 not checked. [2023-11-29 05:03:18,551 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:03:18,837 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 428 trivial. 0 not checked. [2023-11-29 05:03:18,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [632083181] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 05:03:18,837 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 05:03:18,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 5, 5] total 29 [2023-11-29 05:03:18,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966410360] [2023-11-29 05:03:18,838 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 05:03:18,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2023-11-29 05:03:18,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:03:18,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2023-11-29 05:03:18,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=318, Invalid=552, Unknown=0, NotChecked=0, Total=870 [2023-11-29 05:03:18,841 INFO L87 Difference]: Start difference. First operand 487 states and 542 transitions. Second operand has 30 states, 29 states have (on average 6.482758620689655) internal successors, (188), 30 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:03:21,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:03:21,438 INFO L93 Difference]: Finished difference Result 761 states and 870 transitions. [2023-11-29 05:03:21,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2023-11-29 05:03:21,438 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 6.482758620689655) internal successors, (188), 30 states have internal predecessors, (188), 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 128 [2023-11-29 05:03:21,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:03:21,440 INFO L225 Difference]: With dead ends: 761 [2023-11-29 05:03:21,440 INFO L226 Difference]: Without dead ends: 178 [2023-11-29 05:03:21,448 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 245 SyntacticMatches, 1 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4029 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=3668, Invalid=8764, Unknown=0, NotChecked=0, Total=12432 [2023-11-29 05:03:21,449 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 1843 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 619 mSolverCounterSat, 223 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1843 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 842 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 223 IncrementalHoareTripleChecker+Valid, 619 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 05:03:21,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1843 Valid, 156 Invalid, 842 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [223 Valid, 619 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 05:03:21,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2023-11-29 05:03:21,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2023-11-29 05:03:21,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 175 states have (on average 1.022857142857143) internal successors, (179), 177 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:03:21,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 179 transitions. [2023-11-29 05:03:21,455 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 179 transitions. Word has length 128 [2023-11-29 05:03:21,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:03:21,456 INFO L495 AbstractCegarLoop]: Abstraction has 178 states and 179 transitions. [2023-11-29 05:03:21,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 6.482758620689655) internal successors, (188), 30 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:03:21,456 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 179 transitions. [2023-11-29 05:03:21,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-11-29 05:03:21,458 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:03:21,458 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 20, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:03:21,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e1306-7277-4bf9-b9e9-4d7dcbfd0823/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 05:03:21,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e1306-7277-4bf9-b9e9-4d7dcbfd0823/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:03:21,670 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-29 05:03:21,670 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:03:21,670 INFO L85 PathProgramCache]: Analyzing trace with hash 38436482, now seen corresponding path program 1 times [2023-11-29 05:03:21,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:03:21,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869114768] [2023-11-29 05:03:21,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:03:21,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:03:21,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:03:22,628 INFO L134 CoverageAnalysis]: Checked inductivity of 1292 backedges. 0 proven. 1292 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:03:22,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:03:22,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869114768] [2023-11-29 05:03:22,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869114768] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:03:22,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [496670953] [2023-11-29 05:03:22,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:03:22,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:03:22,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e1306-7277-4bf9-b9e9-4d7dcbfd0823/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:03:22,630 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e1306-7277-4bf9-b9e9-4d7dcbfd0823/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:03:22,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e1306-7277-4bf9-b9e9-4d7dcbfd0823/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 05:03:22,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:03:22,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 583 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-29 05:03:22,795 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:03:23,023 INFO L134 CoverageAnalysis]: Checked inductivity of 1292 backedges. 0 proven. 1292 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:03:23,024 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:03:23,839 INFO L134 CoverageAnalysis]: Checked inductivity of 1292 backedges. 0 proven. 1292 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:03:23,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [496670953] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 05:03:23,840 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 05:03:23,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 46 [2023-11-29 05:03:23,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560409844] [2023-11-29 05:03:23,840 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 05:03:23,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2023-11-29 05:03:23,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:03:23,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2023-11-29 05:03:23,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1081, Invalid=1081, Unknown=0, NotChecked=0, Total=2162 [2023-11-29 05:03:23,843 INFO L87 Difference]: Start difference. First operand 178 states and 179 transitions. Second operand has 47 states, 46 states have (on average 7.065217391304348) internal successors, (325), 47 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:03:24,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:03:24,484 INFO L93 Difference]: Finished difference Result 618 states and 685 transitions. [2023-11-29 05:03:24,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-11-29 05:03:24,484 INFO L78 Accepts]: Start accepts. Automaton has has 47 states, 46 states have (on average 7.065217391304348) internal successors, (325), 47 states have internal predecessors, (325), 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 158 [2023-11-29 05:03:24,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:03:24,487 INFO L225 Difference]: With dead ends: 618 [2023-11-29 05:03:24,487 INFO L226 Difference]: Without dead ends: 339 [2023-11-29 05:03:24,488 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 292 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1081, Invalid=1081, Unknown=0, NotChecked=0, Total=2162 [2023-11-29 05:03:24,489 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 1142 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 604 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1142 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 751 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 604 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 05:03:24,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1142 Valid, 115 Invalid, 751 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 604 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 05:03:24,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2023-11-29 05:03:24,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 339. [2023-11-29 05:03:24,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 336 states have (on average 1.0119047619047619) internal successors, (340), 338 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:03:24,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 340 transitions. [2023-11-29 05:03:24,495 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 340 transitions. Word has length 158 [2023-11-29 05:03:24,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:03:24,495 INFO L495 AbstractCegarLoop]: Abstraction has 339 states and 340 transitions. [2023-11-29 05:03:24,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 46 states have (on average 7.065217391304348) internal successors, (325), 47 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:03:24,496 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 340 transitions. [2023-11-29 05:03:24,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2023-11-29 05:03:24,499 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:03:24,499 INFO L195 NwaCegarLoop]: trace histogram [43, 43, 43, 43, 42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:03:24,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e1306-7277-4bf9-b9e9-4d7dcbfd0823/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-29 05:03:24,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e1306-7277-4bf9-b9e9-4d7dcbfd0823/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-29 05:03:24,699 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-29 05:03:24,700 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:03:24,700 INFO L85 PathProgramCache]: Analyzing trace with hash -569636927, now seen corresponding path program 2 times [2023-11-29 05:03:24,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:03:24,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630494129] [2023-11-29 05:03:24,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:03:24,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:03:24,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:03:27,345 INFO L134 CoverageAnalysis]: Checked inductivity of 6237 backedges. 0 proven. 6237 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:03:27,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:03:27,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630494129] [2023-11-29 05:03:27,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630494129] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:03:27,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [445743906] [2023-11-29 05:03:27,346 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 05:03:27,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:03:27,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e1306-7277-4bf9-b9e9-4d7dcbfd0823/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:03:27,348 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e1306-7277-4bf9-b9e9-4d7dcbfd0823/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:03:27,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e1306-7277-4bf9-b9e9-4d7dcbfd0823/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 05:03:27,461 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-29 05:03:27,462 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 05:03:27,463 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 05:03:27,470 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:03:27,887 INFO L134 CoverageAnalysis]: Checked inductivity of 6237 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6237 trivial. 0 not checked. [2023-11-29 05:03:27,888 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:03:27,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [445743906] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:03:27,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 05:03:27,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [46] total 51 [2023-11-29 05:03:27,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661873435] [2023-11-29 05:03:27,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:03:27,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 05:03:27,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:03:27,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 05:03:27,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1139, Invalid=1513, Unknown=0, NotChecked=0, Total=2652 [2023-11-29 05:03:27,891 INFO L87 Difference]: Start difference. First operand 339 states and 340 transitions. Second operand has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:03:28,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:03:28,061 INFO L93 Difference]: Finished difference Result 339 states and 340 transitions. [2023-11-29 05:03:28,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 05:03:28,062 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 319 [2023-11-29 05:03:28,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:03:28,064 INFO L225 Difference]: With dead ends: 339 [2023-11-29 05:03:28,064 INFO L226 Difference]: Without dead ends: 326 [2023-11-29 05:03:28,066 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 369 GetRequests, 314 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1174, Invalid=2018, Unknown=0, NotChecked=0, Total=3192 [2023-11-29 05:03:28,067 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 35 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:03:28,067 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 11 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:03:28,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2023-11-29 05:03:28,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 326. [2023-11-29 05:03:28,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 324 states have (on average 1.0061728395061729) internal successors, (326), 325 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:03:28,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 326 transitions. [2023-11-29 05:03:28,075 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 326 transitions. Word has length 319 [2023-11-29 05:03:28,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:03:28,076 INFO L495 AbstractCegarLoop]: Abstraction has 326 states and 326 transitions. [2023-11-29 05:03:28,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:03:28,076 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 326 transitions. [2023-11-29 05:03:28,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2023-11-29 05:03:28,081 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:03:28,081 INFO L195 NwaCegarLoop]: trace histogram [44, 44, 44, 44, 43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:03:28,088 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e1306-7277-4bf9-b9e9-4d7dcbfd0823/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-29 05:03:28,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e1306-7277-4bf9-b9e9-4d7dcbfd0823/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-29 05:03:28,282 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-29 05:03:28,282 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:03:28,282 INFO L85 PathProgramCache]: Analyzing trace with hash 2016735011, now seen corresponding path program 1 times [2023-11-29 05:03:28,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:03:28,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456294545] [2023-11-29 05:03:28,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:03:28,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:03:28,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:03:30,404 INFO L134 CoverageAnalysis]: Checked inductivity of 6536 backedges. 0 proven. 6536 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:03:30,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:03:30,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456294545] [2023-11-29 05:03:30,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456294545] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:03:30,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2095936051] [2023-11-29 05:03:30,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:03:30,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:03:30,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e1306-7277-4bf9-b9e9-4d7dcbfd0823/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:03:30,405 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e1306-7277-4bf9-b9e9-4d7dcbfd0823/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:03:30,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e1306-7277-4bf9-b9e9-4d7dcbfd0823/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 05:03:30,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:03:30,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 1160 conjuncts, 46 conjunts are in the unsatisfiable core [2023-11-29 05:03:30,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:03:30,941 INFO L134 CoverageAnalysis]: Checked inductivity of 6536 backedges. 0 proven. 6536 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:03:30,941 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:03:33,123 INFO L134 CoverageAnalysis]: Checked inductivity of 6536 backedges. 0 proven. 6536 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:03:33,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2095936051] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 05:03:33,123 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 05:03:33,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 46, 46] total 92 [2023-11-29 05:03:33,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251400951] [2023-11-29 05:03:33,124 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 05:03:33,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 93 states [2023-11-29 05:03:33,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:03:33,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2023-11-29 05:03:33,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4278, Invalid=4278, Unknown=0, NotChecked=0, Total=8556 [2023-11-29 05:03:33,129 INFO L87 Difference]: Start difference. First operand 326 states and 326 transitions. Second operand has 93 states, 92 states have (on average 7.032608695652174) internal successors, (647), 93 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:03:34,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:03:34,213 INFO L93 Difference]: Finished difference Result 880 states and 970 transitions. [2023-11-29 05:03:34,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2023-11-29 05:03:34,214 INFO L78 Accepts]: Start accepts. Automaton has has 93 states, 92 states have (on average 7.032608695652174) internal successors, (647), 93 states have internal predecessors, (647), 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 319 [2023-11-29 05:03:34,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:03:34,217 INFO L225 Difference]: With dead ends: 880 [2023-11-29 05:03:34,217 INFO L226 Difference]: Without dead ends: 648 [2023-11-29 05:03:34,220 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 682 GetRequests, 591 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=4278, Invalid=4278, Unknown=0, NotChecked=0, Total=8556 [2023-11-29 05:03:34,221 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 639 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 785 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 639 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 832 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 785 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 05:03:34,221 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [639 Valid, 150 Invalid, 832 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 785 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 05:03:34,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 648 states. [2023-11-29 05:03:34,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 648 to 648. [2023-11-29 05:03:34,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 648 states, 646 states have (on average 1.0030959752321982) internal successors, (648), 647 states have internal predecessors, (648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:03:34,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 648 states and 648 transitions. [2023-11-29 05:03:34,233 INFO L78 Accepts]: Start accepts. Automaton has 648 states and 648 transitions. Word has length 319 [2023-11-29 05:03:34,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:03:34,233 INFO L495 AbstractCegarLoop]: Abstraction has 648 states and 648 transitions. [2023-11-29 05:03:34,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 93 states, 92 states have (on average 7.032608695652174) internal successors, (647), 93 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:03:34,234 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 648 transitions. [2023-11-29 05:03:34,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 642 [2023-11-29 05:03:34,237 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:03:34,237 INFO L195 NwaCegarLoop]: trace histogram [90, 90, 90, 90, 89, 89, 89, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:03:34,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e1306-7277-4bf9-b9e9-4d7dcbfd0823/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-29 05:03:34,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e1306-7277-4bf9-b9e9-4d7dcbfd0823/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-29 05:03:34,438 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-29 05:03:34,439 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:03:34,439 INFO L85 PathProgramCache]: Analyzing trace with hash -1023830205, now seen corresponding path program 2 times [2023-11-29 05:03:34,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:03:34,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622899276] [2023-11-29 05:03:34,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:03:34,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:03:34,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:03:41,371 INFO L134 CoverageAnalysis]: Checked inductivity of 27857 backedges. 0 proven. 27857 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:03:41,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:03:41,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622899276] [2023-11-29 05:03:41,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622899276] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:03:41,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [565848887] [2023-11-29 05:03:41,371 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 05:03:41,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:03:41,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e1306-7277-4bf9-b9e9-4d7dcbfd0823/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:03:41,372 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e1306-7277-4bf9-b9e9-4d7dcbfd0823/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:03:41,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e1306-7277-4bf9-b9e9-4d7dcbfd0823/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-29 05:03:41,484 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-29 05:03:41,484 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 05:03:41,485 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 05:03:41,492 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:03:42,259 INFO L134 CoverageAnalysis]: Checked inductivity of 27857 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 27768 trivial. 0 not checked. [2023-11-29 05:03:42,259 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:03:42,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [565848887] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:03:42,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 05:03:42,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [92] total 97 [2023-11-29 05:03:42,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854069375] [2023-11-29 05:03:42,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:03:42,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 05:03:42,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:03:42,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 05:03:42,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4382, Invalid=5124, Unknown=0, NotChecked=0, Total=9506 [2023-11-29 05:03:42,265 INFO L87 Difference]: Start difference. First operand 648 states and 648 transitions. Second operand has 7 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:03:42,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:03:42,521 INFO L93 Difference]: Finished difference Result 648 states and 648 transitions. [2023-11-29 05:03:42,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 05:03:42,522 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 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 641 [2023-11-29 05:03:42,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:03:42,526 INFO L225 Difference]: With dead ends: 648 [2023-11-29 05:03:42,526 INFO L226 Difference]: Without dead ends: 642 [2023-11-29 05:03:42,530 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 737 GetRequests, 636 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 368 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=4417, Invalid=6089, Unknown=0, NotChecked=0, Total=10506 [2023-11-29 05:03:42,531 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 36 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:03:42,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 5 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:03:42,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 642 states. [2023-11-29 05:03:42,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 642 to 642. [2023-11-29 05:03:42,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 641 states have (on average 1.001560062402496) internal successors, (642), 641 states have internal predecessors, (642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:03:42,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 642 transitions. [2023-11-29 05:03:42,546 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 642 transitions. Word has length 641 [2023-11-29 05:03:42,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:03:42,548 INFO L495 AbstractCegarLoop]: Abstraction has 642 states and 642 transitions. [2023-11-29 05:03:42,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:03:42,548 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 642 transitions. [2023-11-29 05:03:42,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 642 [2023-11-29 05:03:42,553 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:03:42,553 INFO L195 NwaCegarLoop]: trace histogram [91, 91, 90, 90, 90, 90, 90, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:03:42,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e1306-7277-4bf9-b9e9-4d7dcbfd0823/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-29 05:03:42,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e1306-7277-4bf9-b9e9-4d7dcbfd0823/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-29 05:03:42,754 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-29 05:03:42,754 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:03:42,754 INFO L85 PathProgramCache]: Analyzing trace with hash -550383693, now seen corresponding path program 1 times [2023-11-29 05:03:42,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:03:42,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559911341] [2023-11-29 05:03:42,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:03:42,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:03:42,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:03:49,329 INFO L134 CoverageAnalysis]: Checked inductivity of 28305 backedges. 0 proven. 28305 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:03:49,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:03:49,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559911341] [2023-11-29 05:03:49,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559911341] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:03:49,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1956453925] [2023-11-29 05:03:49,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:03:49,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:03:49,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e1306-7277-4bf9-b9e9-4d7dcbfd0823/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:03:49,331 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e1306-7277-4bf9-b9e9-4d7dcbfd0823/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:03:49,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e1306-7277-4bf9-b9e9-4d7dcbfd0823/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-29 05:03:49,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:03:49,690 INFO L262 TraceCheckSpWp]: Trace formula consists of 2311 conjuncts, 92 conjunts are in the unsatisfiable core [2023-11-29 05:03:49,704 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:03:50,299 INFO L134 CoverageAnalysis]: Checked inductivity of 28305 backedges. 0 proven. 28305 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:03:50,299 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:03:58,425 INFO L134 CoverageAnalysis]: Checked inductivity of 28305 backedges. 0 proven. 28305 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:03:58,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1956453925] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 05:03:58,425 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 05:03:58,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [92, 92, 92] total 184 [2023-11-29 05:03:58,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152703590] [2023-11-29 05:03:58,426 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 05:03:58,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 185 states [2023-11-29 05:03:58,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:03:58,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 185 interpolants. [2023-11-29 05:03:58,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17020, Invalid=17020, Unknown=0, NotChecked=0, Total=34040 [2023-11-29 05:03:58,441 INFO L87 Difference]: Start difference. First operand 642 states and 642 transitions. Second operand has 185 states, 184 states have (on average 7.016304347826087) internal successors, (1291), 185 states have internal predecessors, (1291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:04:00,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:04:00,679 INFO L93 Difference]: Finished difference Result 1287 states and 1378 transitions. [2023-11-29 05:04:00,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 184 states. [2023-11-29 05:04:00,680 INFO L78 Accepts]: Start accepts. Automaton has has 185 states, 184 states have (on average 7.016304347826087) internal successors, (1291), 185 states have internal predecessors, (1291), 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 641 [2023-11-29 05:04:00,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:04:00,685 INFO L225 Difference]: With dead ends: 1287 [2023-11-29 05:04:00,685 INFO L226 Difference]: Without dead ends: 1286 [2023-11-29 05:04:00,687 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1372 GetRequests, 1189 SyntacticMatches, 0 SemanticMatches, 183 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 360 ImplicationChecksByTransitivity, 10.1s TimeCoverageRelationStatistics Valid=17020, Invalid=17020, Unknown=0, NotChecked=0, Total=34040 [2023-11-29 05:04:00,688 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 4 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 1112 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 1113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 05:04:00,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 188 Invalid, 1113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1112 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 05:04:00,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1286 states. [2023-11-29 05:04:00,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1286 to 1286. [2023-11-29 05:04:00,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1286 states, 1285 states have (on average 1.0007782101167315) internal successors, (1286), 1285 states have internal predecessors, (1286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:04:00,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1286 states to 1286 states and 1286 transitions. [2023-11-29 05:04:00,705 INFO L78 Accepts]: Start accepts. Automaton has 1286 states and 1286 transitions. Word has length 641 [2023-11-29 05:04:00,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:04:00,706 INFO L495 AbstractCegarLoop]: Abstraction has 1286 states and 1286 transitions. [2023-11-29 05:04:00,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 185 states, 184 states have (on average 7.016304347826087) internal successors, (1291), 185 states have internal predecessors, (1291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:04:00,706 INFO L276 IsEmpty]: Start isEmpty. Operand 1286 states and 1286 transitions. [2023-11-29 05:04:00,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1286 [2023-11-29 05:04:00,715 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:04:00,716 INFO L195 NwaCegarLoop]: trace histogram [183, 183, 182, 182, 182, 182, 182, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:04:00,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e1306-7277-4bf9-b9e9-4d7dcbfd0823/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-11-29 05:04:00,916 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e1306-7277-4bf9-b9e9-4d7dcbfd0823/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-29 05:04:00,917 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-29 05:04:00,917 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:04:00,917 INFO L85 PathProgramCache]: Analyzing trace with hash 1877051379, now seen corresponding path program 2 times [2023-11-29 05:04:00,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:04:00,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785769811] [2023-11-29 05:04:00,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:04:00,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:04:01,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:04:32,494 INFO L134 CoverageAnalysis]: Checked inductivity of 115843 backedges. 0 proven. 115843 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:04:32,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:04:32,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785769811] [2023-11-29 05:04:32,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785769811] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:04:32,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [18347405] [2023-11-29 05:04:32,495 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 05:04:32,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:04:32,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e1306-7277-4bf9-b9e9-4d7dcbfd0823/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:04:32,496 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e1306-7277-4bf9-b9e9-4d7dcbfd0823/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:04:32,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e1306-7277-4bf9-b9e9-4d7dcbfd0823/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-29 05:04:33,118 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 05:04:33,118 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 05:04:33,139 INFO L262 TraceCheckSpWp]: Trace formula consists of 4611 conjuncts, 184 conjunts are in the unsatisfiable core [2023-11-29 05:04:33,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:04:34,377 INFO L134 CoverageAnalysis]: Checked inductivity of 115843 backedges. 0 proven. 115843 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:04:34,377 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:05:05,739 INFO L134 CoverageAnalysis]: Checked inductivity of 115843 backedges. 0 proven. 115843 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:05:05,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [18347405] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 05:05:05,739 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 05:05:05,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [184, 184, 184] total 368 [2023-11-29 05:05:05,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869863170] [2023-11-29 05:05:05,740 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 05:05:05,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 369 states [2023-11-29 05:05:05,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:05:05,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 369 interpolants. [2023-11-29 05:05:05,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67896, Invalid=67896, Unknown=0, NotChecked=0, Total=135792 [2023-11-29 05:05:05,762 INFO L87 Difference]: Start difference. First operand 1286 states and 1286 transitions. Second operand has 369 states, 368 states have (on average 7.008152173913044) internal successors, (2579), 369 states have internal predecessors, (2579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:05:17,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:05:17,676 INFO L93 Difference]: Finished difference Result 2575 states and 2758 transitions. [2023-11-29 05:05:17,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 368 states. [2023-11-29 05:05:17,678 INFO L78 Accepts]: Start accepts. Automaton has has 369 states, 368 states have (on average 7.008152173913044) internal successors, (2579), 369 states have internal predecessors, (2579), 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 1285 [2023-11-29 05:05:17,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:05:17,691 INFO L225 Difference]: With dead ends: 2575 [2023-11-29 05:05:17,691 INFO L226 Difference]: Without dead ends: 2574 [2023-11-29 05:05:17,699 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2752 GetRequests, 2385 SyntacticMatches, 0 SemanticMatches, 367 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 728 ImplicationChecksByTransitivity, 40.3s TimeCoverageRelationStatistics Valid=67896, Invalid=67896, Unknown=0, NotChecked=0, Total=135792 [2023-11-29 05:05:17,700 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 4 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 2220 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 2221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-11-29 05:05:17,700 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 373 Invalid, 2221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2220 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-11-29 05:05:17,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2574 states. [2023-11-29 05:05:17,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2574 to 2574. [2023-11-29 05:05:17,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2574 states, 2573 states have (on average 1.0003886513797124) internal successors, (2574), 2573 states have internal predecessors, (2574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:05:17,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2574 states to 2574 states and 2574 transitions. [2023-11-29 05:05:17,746 INFO L78 Accepts]: Start accepts. Automaton has 2574 states and 2574 transitions. Word has length 1285 [2023-11-29 05:05:17,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:05:17,748 INFO L495 AbstractCegarLoop]: Abstraction has 2574 states and 2574 transitions. [2023-11-29 05:05:17,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 369 states, 368 states have (on average 7.008152173913044) internal successors, (2579), 369 states have internal predecessors, (2579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:05:17,749 INFO L276 IsEmpty]: Start isEmpty. Operand 2574 states and 2574 transitions. [2023-11-29 05:05:17,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2574 [2023-11-29 05:05:17,790 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:05:17,791 INFO L195 NwaCegarLoop]: trace histogram [367, 367, 366, 366, 366, 366, 366, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:05:17,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e1306-7277-4bf9-b9e9-4d7dcbfd0823/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-11-29 05:05:17,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e1306-7277-4bf9-b9e9-4d7dcbfd0823/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-29 05:05:17,991 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-29 05:05:17,992 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:05:17,992 INFO L85 PathProgramCache]: Analyzing trace with hash -510486413, now seen corresponding path program 3 times [2023-11-29 05:05:17,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:05:17,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255731632] [2023-11-29 05:05:17,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:05:17,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:05:19,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:08:13,492 INFO L134 CoverageAnalysis]: Checked inductivity of 468663 backedges. 0 proven. 468663 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:08:13,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:08:13,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255731632] [2023-11-29 05:08:13,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255731632] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:08:13,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1649604173] [2023-11-29 05:08:13,492 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-29 05:08:13,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:08:13,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e1306-7277-4bf9-b9e9-4d7dcbfd0823/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:08:13,493 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e1306-7277-4bf9-b9e9-4d7dcbfd0823/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:08:13,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e1306-7277-4bf9-b9e9-4d7dcbfd0823/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-29 05:08:13,771 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-11-29 05:08:13,771 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 05:08:13,775 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 05:08:13,806 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:08:16,938 INFO L134 CoverageAnalysis]: Checked inductivity of 468663 backedges. 730 proven. 1463 refuted. 0 times theorem prover too weak. 466470 trivial. 0 not checked. [2023-11-29 05:08:16,938 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:08:20,290 INFO L134 CoverageAnalysis]: Checked inductivity of 468663 backedges. 0 proven. 2193 refuted. 0 times theorem prover too weak. 466470 trivial. 0 not checked. [2023-11-29 05:08:20,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1649604173] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 05:08:20,291 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 05:08:20,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [368, 5, 5] total 377 [2023-11-29 05:08:20,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442577673] [2023-11-29 05:08:20,293 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 05:08:20,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 378 states [2023-11-29 05:08:20,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:08:20,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 378 interpolants. [2023-11-29 05:08:20,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69396, Invalid=73110, Unknown=0, NotChecked=0, Total=142506 [2023-11-29 05:08:20,321 INFO L87 Difference]: Start difference. First operand 2574 states and 2574 transitions. Second operand has 378 states, 377 states have (on average 6.941644562334218) internal successors, (2617), 378 states have internal predecessors, (2617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:10:53,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:10:53,003 INFO L93 Difference]: Finished difference Result 2585 states and 2586 transitions. [2023-11-29 05:10:53,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 744 states. [2023-11-29 05:10:53,005 INFO L78 Accepts]: Start accepts. Automaton has has 378 states, 377 states have (on average 6.941644562334218) internal successors, (2617), 378 states have internal predecessors, (2617), 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 2573 [2023-11-29 05:10:53,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:10:53,009 INFO L225 Difference]: With dead ends: 2585 [2023-11-29 05:10:53,009 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 05:10:53,067 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6253 GetRequests, 5135 SyntacticMatches, 1 SemanticMatches, 1117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 343184 ImplicationChecksByTransitivity, 180.4s TimeCoverageRelationStatistics Valid=415923, Invalid=835119, Unknown=0, NotChecked=0, Total=1251042 [2023-11-29 05:10:53,067 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 3315 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 2627 mSolverCounterSat, 369 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3315 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 2996 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 369 IncrementalHoareTripleChecker+Valid, 2627 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-11-29 05:10:53,067 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3315 Valid, 2 Invalid, 2996 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [369 Valid, 2627 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-11-29 05:10:53,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 05:10:53,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 05:10:53,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:10:53,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 05:10:53,068 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2573 [2023-11-29 05:10:53,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:10:53,069 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 05:10:53,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 378 states, 377 states have (on average 6.941644562334218) internal successors, (2617), 378 states have internal predecessors, (2617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:10:53,070 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 05:10:53,070 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 05:10:53,073 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2023-11-29 05:10:53,073 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2023-11-29 05:10:53,073 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2023-11-29 05:10:53,073 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2023-11-29 05:10:53,073 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2023-11-29 05:10:53,073 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2023-11-29 05:10:53,074 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2023-11-29 05:10:53,074 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2023-11-29 05:10:53,074 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2023-11-29 05:10:53,074 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2023-11-29 05:10:53,080 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e1306-7277-4bf9-b9e9-4d7dcbfd0823/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-11-29 05:10:53,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e1306-7277-4bf9-b9e9-4d7dcbfd0823/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-11-29 05:10:53,276 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 05:10:53,295 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2023-11-29 05:10:53,295 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 4) the Hoare annotation is: true [2023-11-29 05:10:53,295 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 61) no Hoare annotation was computed. [2023-11-29 05:10:53,296 INFO L902 garLoopResultBuilder]: At program point L126(line 126) the Hoare annotation is: true [2023-11-29 05:10:53,296 INFO L899 garLoopResultBuilder]: For program point L126-1(line 126) no Hoare annotation was computed. [2023-11-29 05:10:53,296 INFO L902 garLoopResultBuilder]: At program point L52(line 52) the Hoare annotation is: true [2023-11-29 05:10:53,296 INFO L899 garLoopResultBuilder]: For program point L52-1(line 52) no Hoare annotation was computed. [2023-11-29 05:10:53,296 INFO L902 garLoopResultBuilder]: At program point L176(line 176) the Hoare annotation is: true [2023-11-29 05:10:53,296 INFO L899 garLoopResultBuilder]: For program point L176-1(line 176) no Hoare annotation was computed. [2023-11-29 05:10:53,296 INFO L902 garLoopResultBuilder]: At program point L366(line 366) the Hoare annotation is: true [2023-11-29 05:10:53,296 INFO L902 garLoopResultBuilder]: At program point L333(line 333) the Hoare annotation is: true [2023-11-29 05:10:53,296 INFO L899 garLoopResultBuilder]: For program point L366-1(line 366) no Hoare annotation was computed. [2023-11-29 05:10:53,296 INFO L899 garLoopResultBuilder]: For program point L333-1(line 333) no Hoare annotation was computed. [2023-11-29 05:10:53,297 INFO L899 garLoopResultBuilder]: For program point L234(lines 234 242) no Hoare annotation was computed. [2023-11-29 05:10:53,297 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 15 402) no Hoare annotation was computed. [2023-11-29 05:10:53,297 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 194) no Hoare annotation was computed. [2023-11-29 05:10:53,297 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 23) no Hoare annotation was computed. [2023-11-29 05:10:53,297 INFO L899 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2023-11-29 05:10:53,297 INFO L899 garLoopResultBuilder]: For program point L61-1(line 61) no Hoare annotation was computed. [2023-11-29 05:10:53,297 INFO L899 garLoopResultBuilder]: For program point L284(lines 282 391) no Hoare annotation was computed. [2023-11-29 05:10:53,297 INFO L899 garLoopResultBuilder]: For program point L152(lines 152 160) no Hoare annotation was computed. [2023-11-29 05:10:53,297 INFO L902 garLoopResultBuilder]: At program point L309(line 309) the Hoare annotation is: true [2023-11-29 05:10:53,297 INFO L899 garLoopResultBuilder]: For program point L20(lines 20 401) no Hoare annotation was computed. [2023-11-29 05:10:53,297 INFO L899 garLoopResultBuilder]: For program point L276(lines 276 391) no Hoare annotation was computed. [2023-11-29 05:10:53,298 INFO L899 garLoopResultBuilder]: For program point L309-1(line 309) no Hoare annotation was computed. [2023-11-29 05:10:53,298 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 287) no Hoare annotation was computed. [2023-11-29 05:10:53,298 INFO L899 garLoopResultBuilder]: For program point L70(lines 70 94) no Hoare annotation was computed. [2023-11-29 05:10:53,298 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2023-11-29 05:10:53,298 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 23) no Hoare annotation was computed. [2023-11-29 05:10:53,298 INFO L899 garLoopResultBuilder]: For program point L194-1(line 194) no Hoare annotation was computed. [2023-11-29 05:10:53,298 INFO L899 garLoopResultBuilder]: For program point L186(lines 186 196) no Hoare annotation was computed. [2023-11-29 05:10:53,298 INFO L899 garLoopResultBuilder]: For program point L376(lines 376 385) no Hoare annotation was computed. [2023-11-29 05:10:53,298 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 352) no Hoare annotation was computed. [2023-11-29 05:10:53,298 INFO L899 garLoopResultBuilder]: For program point L112(lines 112 203) no Hoare annotation was computed. [2023-11-29 05:10:53,298 INFO L902 garLoopResultBuilder]: At program point L236(line 236) the Hoare annotation is: true [2023-11-29 05:10:53,298 INFO L899 garLoopResultBuilder]: For program point L236-1(line 236) no Hoare annotation was computed. [2023-11-29 05:10:53,299 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 287) no Hoare annotation was computed. [2023-11-29 05:10:53,299 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 05:10:53,299 INFO L899 garLoopResultBuilder]: For program point $Ultimate##12(lines 63 252) no Hoare annotation was computed. [2023-11-29 05:10:53,299 INFO L902 garLoopResultBuilder]: At program point L154(line 154) the Hoare annotation is: true [2023-11-29 05:10:53,299 INFO L899 garLoopResultBuilder]: For program point L154-1(line 154) no Hoare annotation was computed. [2023-11-29 05:10:53,299 INFO L902 garLoopResultBuilder]: At program point L278(line 278) the Hoare annotation is: true [2023-11-29 05:10:53,299 INFO L899 garLoopResultBuilder]: For program point L278-1(line 278) no Hoare annotation was computed. [2023-11-29 05:10:53,299 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 209) no Hoare annotation was computed. [2023-11-29 05:10:53,299 INFO L902 garLoopResultBuilder]: At program point L72(line 72) the Hoare annotation is: true [2023-11-29 05:10:53,299 INFO L899 garLoopResultBuilder]: For program point L39(lines 39 255) no Hoare annotation was computed. [2023-11-29 05:10:53,299 INFO L899 garLoopResultBuilder]: For program point L72-1(line 72) no Hoare annotation was computed. [2023-11-29 05:10:53,299 INFO L899 garLoopResultBuilder]: For program point L295(lines 295 317) no Hoare annotation was computed. [2023-11-29 05:10:53,300 INFO L899 garLoopResultBuilder]: For program point L287(line 287) no Hoare annotation was computed. [2023-11-29 05:10:53,300 INFO L899 garLoopResultBuilder]: For program point L287-1(line 287) no Hoare annotation was computed. [2023-11-29 05:10:53,300 INFO L902 garLoopResultBuilder]: At program point L188(line 188) the Hoare annotation is: true [2023-11-29 05:10:53,300 INFO L899 garLoopResultBuilder]: For program point L188-1(line 188) no Hoare annotation was computed. [2023-11-29 05:10:53,300 INFO L902 garLoopResultBuilder]: At program point L378(line 378) the Hoare annotation is: true [2023-11-29 05:10:53,300 INFO L899 garLoopResultBuilder]: For program point L89(lines 32 395) no Hoare annotation was computed. [2023-11-29 05:10:53,300 INFO L902 garLoopResultBuilder]: At program point L345(line 345) the Hoare annotation is: true [2023-11-29 05:10:53,300 INFO L899 garLoopResultBuilder]: For program point L378-1(line 378) no Hoare annotation was computed. [2023-11-29 05:10:53,300 INFO L899 garLoopResultBuilder]: For program point L345-1(line 345) no Hoare annotation was computed. [2023-11-29 05:10:53,300 INFO L899 garLoopResultBuilder]: For program point L23(line 23) no Hoare annotation was computed. [2023-11-29 05:10:53,300 INFO L899 garLoopResultBuilder]: For program point L23-1(line 23) no Hoare annotation was computed. [2023-11-29 05:10:53,300 INFO L902 garLoopResultBuilder]: At program point L114(line 114) the Hoare annotation is: true [2023-11-29 05:10:53,301 INFO L899 garLoopResultBuilder]: For program point L114-1(line 114) no Hoare annotation was computed. [2023-11-29 05:10:53,301 INFO L899 garLoopResultBuilder]: For program point L32(lines 32 395) no Hoare annotation was computed. [2023-11-29 05:10:53,301 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 390) no Hoare annotation was computed. [2023-11-29 05:10:53,301 INFO L899 garLoopResultBuilder]: For program point L222(lines 222 244) no Hoare annotation was computed. [2023-11-29 05:10:53,301 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 132) no Hoare annotation was computed. [2023-11-29 05:10:53,301 INFO L899 garLoopResultBuilder]: For program point L24(lines 24 396) no Hoare annotation was computed. [2023-11-29 05:10:53,301 INFO L899 garLoopResultBuilder]: For program point L82(lines 82 92) no Hoare annotation was computed. [2023-11-29 05:10:53,301 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 162) no Hoare annotation was computed. [2023-11-29 05:10:53,301 INFO L902 garLoopResultBuilder]: At program point L297(line 297) the Hoare annotation is: true [2023-11-29 05:10:53,301 INFO L899 garLoopResultBuilder]: For program point L297-1(line 297) no Hoare annotation was computed. [2023-11-29 05:10:53,302 INFO L899 garLoopResultBuilder]: For program point L132(line 132) no Hoare annotation was computed. [2023-11-29 05:10:53,302 INFO L899 garLoopResultBuilder]: For program point L132-1(line 132) no Hoare annotation was computed. [2023-11-29 05:10:53,302 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 05:10:53,302 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 201) no Hoare annotation was computed. [2023-11-29 05:10:53,302 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 132) no Hoare annotation was computed. [2023-11-29 05:10:53,302 INFO L899 garLoopResultBuilder]: For program point L58(lines 32 395) no Hoare annotation was computed. [2023-11-29 05:10:53,302 INFO L899 garLoopResultBuilder]: For program point L215(lines 215 250) no Hoare annotation was computed. [2023-11-29 05:10:53,302 INFO L899 garLoopResultBuilder]: For program point L50(lines 50 253) no Hoare annotation was computed. [2023-11-29 05:10:53,302 INFO L899 garLoopResultBuilder]: For program point L174(lines 174 198) no Hoare annotation was computed. [2023-11-29 05:10:53,302 INFO L899 garLoopResultBuilder]: For program point L364(lines 364 387) no Hoare annotation was computed. [2023-11-29 05:10:53,302 INFO L899 garLoopResultBuilder]: For program point L331(lines 331 354) no Hoare annotation was computed. [2023-11-29 05:10:53,302 INFO L899 garLoopResultBuilder]: For program point L265(lines 265 393) no Hoare annotation was computed. [2023-11-29 05:10:53,303 INFO L899 garLoopResultBuilder]: For program point L133(lines 133 200) no Hoare annotation was computed. [2023-11-29 05:10:53,303 INFO L902 garLoopResultBuilder]: At program point L224(line 224) the Hoare annotation is: true [2023-11-29 05:10:53,303 INFO L899 garLoopResultBuilder]: For program point L224-1(line 224) no Hoare annotation was computed. [2023-11-29 05:10:53,303 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 61) no Hoare annotation was computed. [2023-11-29 05:10:53,303 INFO L902 garLoopResultBuilder]: At program point L84(line 84) the Hoare annotation is: true [2023-11-29 05:10:53,303 INFO L899 garLoopResultBuilder]: For program point L84-1(line 84) no Hoare annotation was computed. [2023-11-29 05:10:53,303 INFO L899 garLoopResultBuilder]: For program point L307(lines 307 315) no Hoare annotation was computed. [2023-11-29 05:10:53,303 INFO L902 garLoopResultBuilder]: At program point L142(line 142) the Hoare annotation is: true [2023-11-29 05:10:53,303 INFO L899 garLoopResultBuilder]: For program point L142-1(line 142) no Hoare annotation was computed. [2023-11-29 05:10:53,303 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 194) no Hoare annotation was computed. [2023-11-29 05:10:53,303 INFO L899 garLoopResultBuilder]: For program point L167(lines 101 251) no Hoare annotation was computed. [2023-11-29 05:10:53,303 INFO L899 garLoopResultBuilder]: For program point L101(lines 101 251) no Hoare annotation was computed. [2023-11-29 05:10:53,303 INFO L899 garLoopResultBuilder]: For program point L324(lines 324 389) no Hoare annotation was computed. [2023-11-29 05:10:53,306 INFO L445 BasicCegarLoop]: Path program histogram: [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:10:53,308 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 05:10:53,313 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 05:10:53 BoogieIcfgContainer [2023-11-29 05:10:53,313 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 05:10:53,314 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 05:10:53,314 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 05:10:53,314 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 05:10:53,314 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:03:13" (3/4) ... [2023-11-29 05:10:53,316 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 05:10:53,319 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure reach_error [2023-11-29 05:10:53,327 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-11-29 05:10:53,328 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-29 05:10:53,329 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 05:10:53,330 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 05:10:53,429 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e1306-7277-4bf9-b9e9-4d7dcbfd0823/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 05:10:53,430 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e1306-7277-4bf9-b9e9-4d7dcbfd0823/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 05:10:53,430 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 05:10:53,430 INFO L158 Benchmark]: Toolchain (without parser) took 460713.80ms. Allocated memory was 178.3MB in the beginning and 2.2GB in the end (delta: 2.1GB). Free memory was 142.4MB in the beginning and 899.9MB in the end (delta: -757.5MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2023-11-29 05:10:53,431 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 102.8MB. Free memory is still 54.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:10:53,431 INFO L158 Benchmark]: CACSL2BoogieTranslator took 313.15ms. Allocated memory is still 178.3MB. Free memory was 142.4MB in the beginning and 129.1MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-29 05:10:53,432 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.83ms. Allocated memory is still 178.3MB. Free memory was 129.1MB in the beginning and 127.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 05:10:53,432 INFO L158 Benchmark]: Boogie Preprocessor took 45.40ms. Allocated memory is still 178.3MB. Free memory was 127.0MB in the beginning and 124.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 05:10:53,432 INFO L158 Benchmark]: RCFGBuilder took 412.26ms. Allocated memory is still 178.3MB. Free memory was 124.4MB in the beginning and 105.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-29 05:10:53,433 INFO L158 Benchmark]: TraceAbstraction took 459779.20ms. Allocated memory was 178.3MB in the beginning and 2.2GB in the end (delta: 2.1GB). Free memory was 104.6MB in the beginning and 906.2MB in the end (delta: -801.5MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2023-11-29 05:10:53,433 INFO L158 Benchmark]: Witness Printer took 115.95ms. Allocated memory is still 2.2GB. Free memory was 906.2MB in the beginning and 899.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 05:10:53,435 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 102.8MB. Free memory is still 54.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 313.15ms. Allocated memory is still 178.3MB. Free memory was 142.4MB in the beginning and 129.1MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.83ms. Allocated memory is still 178.3MB. Free memory was 129.1MB in the beginning and 127.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.40ms. Allocated memory is still 178.3MB. Free memory was 127.0MB in the beginning and 124.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 412.26ms. Allocated memory is still 178.3MB. Free memory was 124.4MB in the beginning and 105.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 459779.20ms. Allocated memory was 178.3MB in the beginning and 2.2GB in the end (delta: 2.1GB). Free memory was 104.6MB in the beginning and 906.2MB in the end (delta: -801.5MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. * Witness Printer took 115.95ms. Allocated memory is still 2.2GB. Free memory was 906.2MB in the beginning and 899.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 61]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 61]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 132]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 132]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 194]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 194]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 287]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 287]: 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, 95 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 459.7s, OverallIterations: 16, TraceHistogramMax: 367, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.1s, AutomataDifference: 173.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8172 SdHoareTripleChecker+Valid, 9.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8172 mSDsluCounter, 1520 SdHoareTripleChecker+Invalid, 7.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1231 mSDsCounter, 996 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9115 IncrementalHoareTripleChecker+Invalid, 10111 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 996 mSolverCounterUnsat, 289 mSDtfsCounter, 9115 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13072 GetRequests, 10963 SyntacticMatches, 2 SemanticMatches, 2107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 349157 ImplicationChecksByTransitivity, 240.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2574occurred in iteration=15, InterpolantAutomatonStates: 1593, 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, 16 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 19 LocationsWithAnnotation, 36 PreInvPairs, 36 NumberOfFragments, 19 HoareAnnotationTreeSize, 36 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 19 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 3.5s SatisfiabilityAnalysisTime, 278.7s InterpolantComputationTime, 12392 NumberOfCodeBlocks, 8816 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 17556 ConstructedInterpolants, 0 QuantifiedInterpolants, 52715 SizeOfPredicates, 14 NumberOfNonLiveVariables, 9387 ConjunctsInSsa, 396 ConjunctsInUnsatCore, 34 InterpolantComputations, 8 PerfectInterpolantSequences, 968636/1931764 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 10 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-29 05:10:53,453 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a16e1306-7277-4bf9-b9e9-4d7dcbfd0823/bin/uautomizer-verify-BQ2R08f2Ya/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