./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/xcsp/AllInterval-005.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/xcsp/AllInterval-005.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ --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 a9f3ee9eee9186ec2e7139b6da07915cfbf3926b7d28b3dac4ebf3fd8205beb2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:42:05,398 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:42:05,483 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-23 21:42:05,489 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:42:05,489 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:42:05,519 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:42:05,520 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:42:05,521 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:42:05,522 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 21:42:05,522 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 21:42:05,523 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:42:05,524 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:42:05,525 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 21:42:05,526 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 21:42:05,527 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 21:42:05,527 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:42:05,528 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:42:05,529 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:42:05,530 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:42:05,530 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:42:05,531 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:42:05,532 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:42:05,533 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:42:05,533 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:42:05,534 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 21:42:05,535 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 21:42:05,536 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:42:05,541 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:42:05,541 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:42:05,542 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:42:05,542 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:42:05,543 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:42:05,543 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:42:05,544 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:42:05,544 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:42:05,545 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:42:05,545 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:42:05,546 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 21:42:05,546 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:42:05,547 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:42:05,547 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 21:42:05,549 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:42:05,549 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 21:42:05,550 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:42:05,550 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_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9f3ee9eee9186ec2e7139b6da07915cfbf3926b7d28b3dac4ebf3fd8205beb2 [2023-11-23 21:42:05,901 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:42:05,931 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:42:05,935 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:42:05,937 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:42:05,937 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:42:05,939 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/../../sv-benchmarks/c/xcsp/AllInterval-005.c [2023-11-23 21:42:09,583 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:42:09,784 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:42:09,785 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/sv-benchmarks/c/xcsp/AllInterval-005.c [2023-11-23 21:42:09,793 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/data/10825b03a/9af88e6d0af74455b6c6e25b0126a4bb/FLAGddc4d08bf [2023-11-23 21:42:09,808 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/data/10825b03a/9af88e6d0af74455b6c6e25b0126a4bb [2023-11-23 21:42:09,811 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:42:09,813 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:42:09,817 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:42:09,817 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:42:09,822 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:42:09,822 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:42:09" (1/1) ... [2023-11-23 21:42:09,823 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ebb784 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:42:09, skipping insertion in model container [2023-11-23 21:42:09,823 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:42:09" (1/1) ... [2023-11-23 21:42:09,848 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:42:10,027 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:42:10,039 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:42:10,066 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:42:10,081 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:42:10,081 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:42:10 WrapperNode [2023-11-23 21:42:10,082 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:42:10,083 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:42:10,083 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:42:10,083 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:42:10,091 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:42:10" (1/1) ... [2023-11-23 21:42:10,099 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:42:10" (1/1) ... [2023-11-23 21:42:10,127 INFO L138 Inliner]: procedures = 13, calls = 46, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 141 [2023-11-23 21:42:10,128 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:42:10,129 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:42:10,129 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:42:10,129 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:42:10,141 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:42:10" (1/1) ... [2023-11-23 21:42:10,142 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:42:10" (1/1) ... [2023-11-23 21:42:10,157 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:42:10" (1/1) ... [2023-11-23 21:42:10,172 INFO L189 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-23 21:42:10,173 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:42:10" (1/1) ... [2023-11-23 21:42:10,173 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:42:10" (1/1) ... [2023-11-23 21:42:10,179 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:42:10" (1/1) ... [2023-11-23 21:42:10,196 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:42:10" (1/1) ... [2023-11-23 21:42:10,198 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:42:10" (1/1) ... [2023-11-23 21:42:10,199 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:42:10" (1/1) ... [2023-11-23 21:42:10,202 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:42:10,203 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:42:10,203 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:42:10,203 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:42:10,204 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:42:10" (1/1) ... [2023-11-23 21:42:10,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:42:10,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:42:10,251 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:42:10,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:42:10,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:42:10,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:42:10,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:42:10,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-23 21:42:10,301 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2023-11-23 21:42:10,301 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2023-11-23 21:42:10,392 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:42:10,394 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:42:10,794 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:42:10,831 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:42:10,832 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 21:42:10,833 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:42:10 BoogieIcfgContainer [2023-11-23 21:42:10,833 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:42:10,837 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:42:10,837 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:42:10,841 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:42:10,841 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:42:09" (1/3) ... [2023-11-23 21:42:10,842 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a4aac1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:42:10, skipping insertion in model container [2023-11-23 21:42:10,843 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:42:10" (2/3) ... [2023-11-23 21:42:10,843 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a4aac1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:42:10, skipping insertion in model container [2023-11-23 21:42:10,849 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:42:10" (3/3) ... [2023-11-23 21:42:10,851 INFO L112 eAbstractionObserver]: Analyzing ICFG AllInterval-005.c [2023-11-23 21:42:10,897 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:42:10,898 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2023-11-23 21:42:10,962 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:42:10,970 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;@91c1218, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:42:10,971 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2023-11-23 21:42:10,976 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 39 states have (on average 1.5384615384615385) internal successors, (60), 55 states have internal predecessors, (60), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2023-11-23 21:42:10,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-11-23 21:42:10,996 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:42:10,997 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:42:10,997 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-23 21:42:11,004 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:42:11,004 INFO L85 PathProgramCache]: Analyzing trace with hash 95346500, now seen corresponding path program 1 times [2023-11-23 21:42:11,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:42:11,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759616385] [2023-11-23 21:42:11,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:42:11,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:42:11,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:11,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:42:11,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:11,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 21:42:11,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:11,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-23 21:42:11,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:11,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-23 21:42:11,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:11,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 21:42:11,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:11,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 21:42:11,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:11,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-23 21:42:11,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:11,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-23 21:42:11,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:11,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-23 21:42:11,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:11,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-23 21:42:11,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:11,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-23 21:42:11,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:11,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-23 21:42:11,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:11,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-23 21:42:11,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:11,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-23 21:42:11,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:11,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-23 21:42:11,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:11,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-23 21:42:11,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:11,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-23 21:42:11,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:11,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-23 21:42:11,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:11,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-23 21:42:11,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:11,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-23 21:42:11,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:11,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-23 21:42:11,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:11,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-23 21:42:11,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:11,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-23 21:42:11,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:11,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-23 21:42:11,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:11,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-23 21:42:11,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:11,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-23 21:42:11,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:11,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-23 21:42:11,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:11,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-23 21:42:11,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:11,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-23 21:42:11,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:11,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-11-23 21:42:11,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:11,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-11-23 21:42:11,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:11,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-23 21:42:11,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:11,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-23 21:42:11,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:11,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-11-23 21:42:11,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:11,580 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2023-11-23 21:42:11,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:42:11,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759616385] [2023-11-23 21:42:11,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759616385] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:42:11,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:42:11,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:42:11,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320359857] [2023-11-23 21:42:11,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:42:11,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:42:11,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:42:11,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:42:11,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:42:11,638 INFO L87 Difference]: Start difference. First operand has 95 states, 39 states have (on average 1.5384615384615385) internal successors, (60), 55 states have internal predecessors, (60), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2023-11-23 21:42:11,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:42:11,732 INFO L93 Difference]: Finished difference Result 187 states and 307 transitions. [2023-11-23 21:42:11,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:42:11,735 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) Word has length 182 [2023-11-23 21:42:11,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:42:11,746 INFO L225 Difference]: With dead ends: 187 [2023-11-23 21:42:11,746 INFO L226 Difference]: Without dead ends: 91 [2023-11-23 21:42:11,755 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:42:11,761 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:42:11,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 133 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:42:11,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2023-11-23 21:42:11,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2023-11-23 21:42:11,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 37 states have (on average 1.4864864864864864) internal successors, (55), 52 states have internal predecessors, (55), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2023-11-23 21:42:11,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 129 transitions. [2023-11-23 21:42:11,842 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 129 transitions. Word has length 182 [2023-11-23 21:42:11,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:42:11,842 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 129 transitions. [2023-11-23 21:42:11,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2023-11-23 21:42:11,843 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 129 transitions. [2023-11-23 21:42:11,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-11-23 21:42:11,850 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:42:11,850 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:42:11,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:42:11,851 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-23 21:42:11,851 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:42:11,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1085923324, now seen corresponding path program 1 times [2023-11-23 21:42:11,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:42:11,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061352218] [2023-11-23 21:42:11,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:42:11,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:42:11,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:12,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:42:12,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:12,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 21:42:12,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:12,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-23 21:42:12,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:12,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-23 21:42:12,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:12,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 21:42:12,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:12,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 21:42:12,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:12,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-23 21:42:12,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:12,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-23 21:42:12,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:12,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-23 21:42:12,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:12,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-23 21:42:12,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:12,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-23 21:42:12,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:12,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-23 21:42:12,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:12,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-23 21:42:12,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:12,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-23 21:42:12,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:12,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-23 21:42:12,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:12,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-23 21:42:12,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:12,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-23 21:42:12,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:12,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-23 21:42:12,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:12,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-23 21:42:12,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:12,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-23 21:42:12,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:12,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-23 21:42:12,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:12,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-23 21:42:12,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:12,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-23 21:42:12,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:12,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-23 21:42:12,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:12,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-23 21:42:12,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:12,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-23 21:42:12,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:12,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-23 21:42:12,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:12,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-23 21:42:12,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:12,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-23 21:42:12,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:12,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-11-23 21:42:12,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:12,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-11-23 21:42:12,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:12,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-23 21:42:12,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:12,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-23 21:42:12,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:12,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-11-23 21:42:12,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:12,783 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 2145 trivial. 0 not checked. [2023-11-23 21:42:12,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:42:12,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061352218] [2023-11-23 21:42:12,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061352218] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:42:12,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [649418736] [2023-11-23 21:42:12,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:42:12,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:42:12,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:42:12,788 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:42:12,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:42:13,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:13,012 INFO L262 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 21:42:13,044 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:42:13,568 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 2145 trivial. 0 not checked. [2023-11-23 21:42:13,569 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:42:14,033 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 2145 trivial. 0 not checked. [2023-11-23 21:42:14,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [649418736] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:42:14,035 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 21:42:14,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2023-11-23 21:42:14,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840308052] [2023-11-23 21:42:14,037 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 21:42:14,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-23 21:42:14,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:42:14,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-23 21:42:14,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-11-23 21:42:14,044 INFO L87 Difference]: Start difference. First operand 91 states and 129 transitions. Second operand has 10 states, 9 states have (on average 4.666666666666667) internal successors, (42), 8 states have internal predecessors, (42), 6 states have call successors, (99), 1 states have call predecessors, (99), 2 states have return successors, (100), 5 states have call predecessors, (100), 6 states have call successors, (100) [2023-11-23 21:42:14,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:42:14,426 INFO L93 Difference]: Finished difference Result 91 states and 129 transitions. [2023-11-23 21:42:14,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 21:42:14,427 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.666666666666667) internal successors, (42), 8 states have internal predecessors, (42), 6 states have call successors, (99), 1 states have call predecessors, (99), 2 states have return successors, (100), 5 states have call predecessors, (100), 6 states have call successors, (100) Word has length 182 [2023-11-23 21:42:14,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:42:14,431 INFO L225 Difference]: With dead ends: 91 [2023-11-23 21:42:14,431 INFO L226 Difference]: Without dead ends: 90 [2023-11-23 21:42:14,432 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 435 GetRequests, 426 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2023-11-23 21:42:14,434 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 82 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-23 21:42:14,435 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 285 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-23 21:42:14,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2023-11-23 21:42:14,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2023-11-23 21:42:14,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 37 states have (on average 1.4594594594594594) internal successors, (54), 51 states have internal predecessors, (54), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2023-11-23 21:42:14,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 128 transitions. [2023-11-23 21:42:14,465 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 128 transitions. Word has length 182 [2023-11-23 21:42:14,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:42:14,470 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 128 transitions. [2023-11-23 21:42:14,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.666666666666667) internal successors, (42), 8 states have internal predecessors, (42), 6 states have call successors, (99), 1 states have call predecessors, (99), 2 states have return successors, (100), 5 states have call predecessors, (100), 6 states have call successors, (100) [2023-11-23 21:42:14,470 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 128 transitions. [2023-11-23 21:42:14,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-11-23 21:42:14,478 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:42:14,479 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:42:14,506 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:42:14,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:42:14,695 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-23 21:42:14,696 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:42:14,696 INFO L85 PathProgramCache]: Analyzing trace with hash 696115404, now seen corresponding path program 1 times [2023-11-23 21:42:14,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:42:14,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184693268] [2023-11-23 21:42:14,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:42:14,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:42:14,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:14,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:42:14,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:14,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 21:42:14,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:14,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-23 21:42:14,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:14,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-23 21:42:14,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:14,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 21:42:15,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:15,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 21:42:15,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:15,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-23 21:42:15,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:15,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-23 21:42:15,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:15,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-23 21:42:15,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:15,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-23 21:42:15,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:15,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-23 21:42:15,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:15,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-23 21:42:15,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:15,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-23 21:42:15,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:15,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-23 21:42:15,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:15,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-23 21:42:15,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:15,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-23 21:42:15,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:15,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-23 21:42:15,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:15,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-23 21:42:15,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:15,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-23 21:42:15,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:15,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-23 21:42:15,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:15,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-23 21:42:15,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:15,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-23 21:42:15,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:15,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-23 21:42:15,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:15,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-23 21:42:15,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:15,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-23 21:42:15,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:15,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-23 21:42:15,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:15,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-23 21:42:15,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:15,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-23 21:42:15,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:15,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-23 21:42:15,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:15,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-11-23 21:42:15,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:15,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-11-23 21:42:15,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:15,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-23 21:42:15,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:15,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-23 21:42:15,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:15,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-11-23 21:42:15,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:15,155 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 6 proven. 93 refuted. 0 times theorem prover too weak. 2145 trivial. 0 not checked. [2023-11-23 21:42:15,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:42:15,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184693268] [2023-11-23 21:42:15,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184693268] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:42:15,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2090272749] [2023-11-23 21:42:15,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:42:15,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:42:15,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:42:15,158 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:42:15,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-23 21:42:15,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:15,267 INFO L262 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 21:42:15,274 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:42:15,510 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 6 proven. 93 refuted. 0 times theorem prover too weak. 2145 trivial. 0 not checked. [2023-11-23 21:42:15,510 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:42:15,737 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 6 proven. 93 refuted. 0 times theorem prover too weak. 2145 trivial. 0 not checked. [2023-11-23 21:42:15,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2090272749] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:42:15,738 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 21:42:15,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2023-11-23 21:42:15,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327163400] [2023-11-23 21:42:15,739 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 21:42:15,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 21:42:15,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:42:15,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 21:42:15,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-23 21:42:15,742 INFO L87 Difference]: Start difference. First operand 90 states and 128 transitions. Second operand has 8 states, 7 states have (on average 4.571428571428571) internal successors, (32), 8 states have internal predecessors, (32), 3 states have call successors, (65), 1 states have call predecessors, (65), 2 states have return successors, (66), 3 states have call predecessors, (66), 3 states have call successors, (66) [2023-11-23 21:42:16,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:42:16,056 INFO L93 Difference]: Finished difference Result 90 states and 128 transitions. [2023-11-23 21:42:16,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 21:42:16,059 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.571428571428571) internal successors, (32), 8 states have internal predecessors, (32), 3 states have call successors, (65), 1 states have call predecessors, (65), 2 states have return successors, (66), 3 states have call predecessors, (66), 3 states have call successors, (66) Word has length 183 [2023-11-23 21:42:16,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:42:16,062 INFO L225 Difference]: With dead ends: 90 [2023-11-23 21:42:16,062 INFO L226 Difference]: Without dead ends: 89 [2023-11-23 21:42:16,063 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 436 GetRequests, 428 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-11-23 21:42:16,064 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 116 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-23 21:42:16,065 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 246 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-23 21:42:16,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2023-11-23 21:42:16,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2023-11-23 21:42:16,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 37 states have (on average 1.4324324324324325) internal successors, (53), 50 states have internal predecessors, (53), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2023-11-23 21:42:16,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 127 transitions. [2023-11-23 21:42:16,082 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 127 transitions. Word has length 183 [2023-11-23 21:42:16,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:42:16,083 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 127 transitions. [2023-11-23 21:42:16,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.571428571428571) internal successors, (32), 8 states have internal predecessors, (32), 3 states have call successors, (65), 1 states have call predecessors, (65), 2 states have return successors, (66), 3 states have call predecessors, (66), 3 states have call successors, (66) [2023-11-23 21:42:16,084 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 127 transitions. [2023-11-23 21:42:16,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2023-11-23 21:42:16,087 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:42:16,087 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:42:16,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-23 21:42:16,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:42:16,313 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-23 21:42:16,313 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:42:16,313 INFO L85 PathProgramCache]: Analyzing trace with hash -1047992210, now seen corresponding path program 1 times [2023-11-23 21:42:16,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:42:16,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138855871] [2023-11-23 21:42:16,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:42:16,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:42:16,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:16,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:42:16,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:16,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 21:42:16,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:16,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-23 21:42:16,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:16,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-23 21:42:16,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:16,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 21:42:16,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:16,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 21:42:16,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:16,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-23 21:42:16,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:16,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-23 21:42:16,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:16,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-23 21:42:16,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:16,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-23 21:42:16,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:16,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-23 21:42:16,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:16,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-23 21:42:16,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:16,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-23 21:42:16,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:16,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-23 21:42:16,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:16,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-23 21:42:16,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:16,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-23 21:42:16,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:16,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-23 21:42:16,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:16,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-23 21:42:16,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:16,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-23 21:42:16,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:16,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-23 21:42:16,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:16,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-23 21:42:16,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:16,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-23 21:42:16,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:16,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-23 21:42:16,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:16,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-23 21:42:16,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:16,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-23 21:42:16,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:16,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-23 21:42:16,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:16,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-23 21:42:16,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:16,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-23 21:42:16,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:16,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-23 21:42:16,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:16,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-11-23 21:42:16,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:16,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-11-23 21:42:16,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:16,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-23 21:42:16,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:16,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-23 21:42:16,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:16,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-11-23 21:42:16,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:16,520 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2023-11-23 21:42:16,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:42:16,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138855871] [2023-11-23 21:42:16,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138855871] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:42:16,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:42:16,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:42:16,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773197811] [2023-11-23 21:42:16,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:42:16,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:42:16,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:42:16,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:42:16,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:42:16,535 INFO L87 Difference]: Start difference. First operand 89 states and 127 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-23 21:42:16,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:42:16,594 INFO L93 Difference]: Finished difference Result 92 states and 130 transitions. [2023-11-23 21:42:16,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:42:16,595 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 185 [2023-11-23 21:42:16,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:42:16,599 INFO L225 Difference]: With dead ends: 92 [2023-11-23 21:42:16,599 INFO L226 Difference]: Without dead ends: 88 [2023-11-23 21:42:16,600 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:42:16,603 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 11 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:42:16,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 210 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:42:16,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2023-11-23 21:42:16,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 85. [2023-11-23 21:42:16,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 46 states have internal predecessors, (49), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2023-11-23 21:42:16,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 123 transitions. [2023-11-23 21:42:16,632 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 123 transitions. Word has length 185 [2023-11-23 21:42:16,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:42:16,634 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 123 transitions. [2023-11-23 21:42:16,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-23 21:42:16,635 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 123 transitions. [2023-11-23 21:42:16,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2023-11-23 21:42:16,637 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:42:16,638 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:42:16,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-23 21:42:16,638 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-23 21:42:16,639 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:42:16,639 INFO L85 PathProgramCache]: Analyzing trace with hash 1871979947, now seen corresponding path program 1 times [2023-11-23 21:42:16,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:42:16,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978291438] [2023-11-23 21:42:16,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:42:16,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:42:16,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:16,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:42:16,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:16,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 21:42:16,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:16,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-23 21:42:16,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:16,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-23 21:42:16,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:16,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 21:42:16,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:16,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 21:42:16,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:16,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-23 21:42:16,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:16,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-23 21:42:16,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:16,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-23 21:42:16,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:16,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-23 21:42:16,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:16,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-23 21:42:17,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:17,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-23 21:42:17,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:17,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-23 21:42:17,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:17,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-23 21:42:17,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:17,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-23 21:42:17,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:17,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-23 21:42:17,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:17,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-23 21:42:17,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:17,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-23 21:42:17,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:17,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-23 21:42:17,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:17,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-23 21:42:17,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:17,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-23 21:42:17,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:17,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-23 21:42:17,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:17,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-23 21:42:17,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:17,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-23 21:42:17,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:17,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-23 21:42:17,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:17,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-23 21:42:17,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:17,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-23 21:42:17,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:17,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-23 21:42:17,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:17,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-23 21:42:17,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:17,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-11-23 21:42:17,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:17,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-11-23 21:42:17,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:17,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-23 21:42:17,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:17,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-23 21:42:17,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:17,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-11-23 21:42:17,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:17,108 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 6 proven. 186 refuted. 0 times theorem prover too weak. 2052 trivial. 0 not checked. [2023-11-23 21:42:17,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:42:17,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978291438] [2023-11-23 21:42:17,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978291438] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:42:17,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [891766468] [2023-11-23 21:42:17,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:42:17,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:42:17,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:42:17,113 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:42:17,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-23 21:42:17,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:17,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 21:42:17,232 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:42:17,470 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 2145 trivial. 0 not checked. [2023-11-23 21:42:17,471 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:42:17,713 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 2145 trivial. 0 not checked. [2023-11-23 21:42:17,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [891766468] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:42:17,713 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 21:42:17,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2023-11-23 21:42:17,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876516420] [2023-11-23 21:42:17,714 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 21:42:17,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-23 21:42:17,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:42:17,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-23 21:42:17,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-11-23 21:42:17,717 INFO L87 Difference]: Start difference. First operand 85 states and 123 transitions. Second operand has 11 states, 10 states have (on average 5.1) internal successors, (51), 11 states have internal predecessors, (51), 5 states have call successors, (98), 1 states have call predecessors, (98), 2 states have return successors, (98), 4 states have call predecessors, (98), 5 states have call successors, (98) [2023-11-23 21:42:18,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:42:18,089 INFO L93 Difference]: Finished difference Result 87 states and 125 transitions. [2023-11-23 21:42:18,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 21:42:18,090 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 5.1) internal successors, (51), 11 states have internal predecessors, (51), 5 states have call successors, (98), 1 states have call predecessors, (98), 2 states have return successors, (98), 4 states have call predecessors, (98), 5 states have call successors, (98) Word has length 186 [2023-11-23 21:42:18,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:42:18,091 INFO L225 Difference]: With dead ends: 87 [2023-11-23 21:42:18,092 INFO L226 Difference]: Without dead ends: 86 [2023-11-23 21:42:18,092 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 448 GetRequests, 434 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2023-11-23 21:42:18,093 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 76 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-23 21:42:18,093 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 278 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-23 21:42:18,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2023-11-23 21:42:18,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 84. [2023-11-23 21:42:18,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 37 states have (on average 1.2972972972972974) internal successors, (48), 45 states have internal predecessors, (48), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2023-11-23 21:42:18,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 122 transitions. [2023-11-23 21:42:18,110 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 122 transitions. Word has length 186 [2023-11-23 21:42:18,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:42:18,111 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 122 transitions. [2023-11-23 21:42:18,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 5.1) internal successors, (51), 11 states have internal predecessors, (51), 5 states have call successors, (98), 1 states have call predecessors, (98), 2 states have return successors, (98), 4 states have call predecessors, (98), 5 states have call successors, (98) [2023-11-23 21:42:18,112 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 122 transitions. [2023-11-23 21:42:18,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2023-11-23 21:42:18,119 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:42:18,119 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:42:18,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-23 21:42:18,341 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:42:18,342 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-23 21:42:18,342 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:42:18,342 INFO L85 PathProgramCache]: Analyzing trace with hash 1692833992, now seen corresponding path program 1 times [2023-11-23 21:42:18,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:42:18,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646077041] [2023-11-23 21:42:18,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:42:18,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:42:18,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:18,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:42:18,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:18,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 21:42:18,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:18,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-23 21:42:18,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:18,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-23 21:42:18,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:18,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 21:42:18,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:18,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 21:42:18,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:18,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-23 21:42:18,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:18,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-23 21:42:18,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:18,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-23 21:42:18,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:18,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-23 21:42:18,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:18,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-23 21:42:18,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:18,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-23 21:42:18,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:18,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-23 21:42:18,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:18,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-23 21:42:18,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:18,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-23 21:42:18,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:18,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-23 21:42:18,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:18,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-23 21:42:18,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:18,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-23 21:42:18,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:18,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-23 21:42:18,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:18,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-23 21:42:18,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:18,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-23 21:42:18,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:18,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-23 21:42:18,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:18,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-23 21:42:18,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:18,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-23 21:42:18,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:18,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-23 21:42:18,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:18,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-23 21:42:18,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:18,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-23 21:42:18,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:18,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-23 21:42:18,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:18,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-23 21:42:18,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:18,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-11-23 21:42:18,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:18,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-11-23 21:42:18,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:18,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-23 21:42:18,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:18,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-23 21:42:18,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:18,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-11-23 21:42:18,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:18,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-11-23 21:42:18,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:18,701 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 6 proven. 96 refuted. 0 times theorem prover too weak. 2278 trivial. 0 not checked. [2023-11-23 21:42:18,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:42:18,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646077041] [2023-11-23 21:42:18,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646077041] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:42:18,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [323345681] [2023-11-23 21:42:18,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:42:18,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:42:18,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:42:18,704 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:42:18,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-23 21:42:18,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:18,825 INFO L262 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 21:42:18,831 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:42:19,139 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 6 proven. 96 refuted. 0 times theorem prover too weak. 2278 trivial. 0 not checked. [2023-11-23 21:42:19,139 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:42:19,396 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 6 proven. 96 refuted. 0 times theorem prover too weak. 2278 trivial. 0 not checked. [2023-11-23 21:42:19,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [323345681] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:42:19,396 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 21:42:19,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2023-11-23 21:42:19,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148470142] [2023-11-23 21:42:19,397 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 21:42:19,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-23 21:42:19,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:42:19,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-23 21:42:19,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-11-23 21:42:19,401 INFO L87 Difference]: Start difference. First operand 84 states and 122 transitions. Second operand has 10 states, 9 states have (on average 5.777777777777778) internal successors, (52), 8 states have internal predecessors, (52), 6 states have call successors, (98), 1 states have call predecessors, (98), 2 states have return successors, (99), 6 states have call predecessors, (99), 6 states have call successors, (99) [2023-11-23 21:42:19,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:42:19,626 INFO L93 Difference]: Finished difference Result 84 states and 122 transitions. [2023-11-23 21:42:19,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 21:42:19,627 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.777777777777778) internal successors, (52), 8 states have internal predecessors, (52), 6 states have call successors, (98), 1 states have call predecessors, (98), 2 states have return successors, (99), 6 states have call predecessors, (99), 6 states have call successors, (99) Word has length 191 [2023-11-23 21:42:19,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:42:19,629 INFO L225 Difference]: With dead ends: 84 [2023-11-23 21:42:19,630 INFO L226 Difference]: Without dead ends: 83 [2023-11-23 21:42:19,630 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 455 GetRequests, 446 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2023-11-23 21:42:19,631 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 60 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:42:19,632 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 224 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 21:42:19,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2023-11-23 21:42:19,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2023-11-23 21:42:19,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 37 states have (on average 1.2702702702702702) internal successors, (47), 44 states have internal predecessors, (47), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2023-11-23 21:42:19,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 121 transitions. [2023-11-23 21:42:19,649 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 121 transitions. Word has length 191 [2023-11-23 21:42:19,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:42:19,650 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 121 transitions. [2023-11-23 21:42:19,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.777777777777778) internal successors, (52), 8 states have internal predecessors, (52), 6 states have call successors, (98), 1 states have call predecessors, (98), 2 states have return successors, (99), 6 states have call predecessors, (99), 6 states have call successors, (99) [2023-11-23 21:42:19,651 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 121 transitions. [2023-11-23 21:42:19,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2023-11-23 21:42:19,654 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:42:19,654 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:42:19,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-23 21:42:19,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:42:19,869 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-23 21:42:19,869 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:42:19,869 INFO L85 PathProgramCache]: Analyzing trace with hash 938246296, now seen corresponding path program 1 times [2023-11-23 21:42:19,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:42:19,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134796977] [2023-11-23 21:42:19,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:42:19,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:42:19,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:20,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:42:20,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:20,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 21:42:20,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:20,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-23 21:42:20,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:20,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-23 21:42:20,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:20,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 21:42:20,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:20,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 21:42:20,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:20,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-23 21:42:20,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:20,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-23 21:42:20,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:20,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-23 21:42:20,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:20,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-23 21:42:20,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:20,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-23 21:42:20,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:20,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-23 21:42:20,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:20,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-23 21:42:20,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:20,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-23 21:42:20,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:20,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-23 21:42:20,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:20,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-23 21:42:20,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:20,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-23 21:42:20,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:20,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-23 21:42:20,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:20,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-23 21:42:20,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:20,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-23 21:42:20,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:20,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-23 21:42:20,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:20,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-23 21:42:20,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:20,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-23 21:42:20,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:20,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-23 21:42:20,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:20,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-23 21:42:20,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:20,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-23 21:42:20,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:20,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-23 21:42:20,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:20,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-23 21:42:20,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:20,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-23 21:42:20,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:20,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-11-23 21:42:20,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:20,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-11-23 21:42:20,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:20,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-23 21:42:20,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:20,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-23 21:42:20,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:20,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-11-23 21:42:20,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:20,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-11-23 21:42:20,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:20,238 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 12 proven. 90 refuted. 0 times theorem prover too weak. 2278 trivial. 0 not checked. [2023-11-23 21:42:20,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:42:20,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134796977] [2023-11-23 21:42:20,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134796977] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:42:20,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1693246589] [2023-11-23 21:42:20,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:42:20,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:42:20,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:42:20,240 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:42:20,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-23 21:42:20,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:20,349 INFO L262 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 21:42:20,354 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:42:20,579 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 12 proven. 90 refuted. 0 times theorem prover too weak. 2278 trivial. 0 not checked. [2023-11-23 21:42:20,579 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:42:20,808 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 12 proven. 90 refuted. 0 times theorem prover too weak. 2278 trivial. 0 not checked. [2023-11-23 21:42:20,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1693246589] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:42:20,808 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 21:42:20,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 10 [2023-11-23 21:42:20,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681742865] [2023-11-23 21:42:20,809 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 21:42:20,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-23 21:42:20,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:42:20,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-23 21:42:20,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2023-11-23 21:42:20,812 INFO L87 Difference]: Start difference. First operand 83 states and 121 transitions. Second operand has 11 states, 10 states have (on average 5.3) internal successors, (53), 11 states have internal predecessors, (53), 6 states have call successors, (99), 1 states have call predecessors, (99), 2 states have return successors, (100), 6 states have call predecessors, (100), 6 states have call successors, (100) [2023-11-23 21:42:21,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:42:21,160 INFO L93 Difference]: Finished difference Result 85 states and 123 transitions. [2023-11-23 21:42:21,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 21:42:21,161 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 5.3) internal successors, (53), 11 states have internal predecessors, (53), 6 states have call successors, (99), 1 states have call predecessors, (99), 2 states have return successors, (100), 6 states have call predecessors, (100), 6 states have call successors, (100) Word has length 192 [2023-11-23 21:42:21,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:42:21,165 INFO L225 Difference]: With dead ends: 85 [2023-11-23 21:42:21,166 INFO L226 Difference]: Without dead ends: 84 [2023-11-23 21:42:21,166 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 461 GetRequests, 447 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2023-11-23 21:42:21,167 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 166 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-23 21:42:21,168 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 293 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-23 21:42:21,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2023-11-23 21:42:21,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 82. [2023-11-23 21:42:21,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 37 states have (on average 1.2432432432432432) internal successors, (46), 43 states have internal predecessors, (46), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2023-11-23 21:42:21,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 120 transitions. [2023-11-23 21:42:21,198 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 120 transitions. Word has length 192 [2023-11-23 21:42:21,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:42:21,199 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 120 transitions. [2023-11-23 21:42:21,199 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 5.3) internal successors, (53), 11 states have internal predecessors, (53), 6 states have call successors, (99), 1 states have call predecessors, (99), 2 states have return successors, (100), 6 states have call predecessors, (100), 6 states have call successors, (100) [2023-11-23 21:42:21,199 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 120 transitions. [2023-11-23 21:42:21,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2023-11-23 21:42:21,203 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:42:21,203 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:42:21,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-23 21:42:21,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-11-23 21:42:21,416 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-23 21:42:21,417 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:42:21,417 INFO L85 PathProgramCache]: Analyzing trace with hash -351657873, now seen corresponding path program 1 times [2023-11-23 21:42:21,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:42:21,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892455092] [2023-11-23 21:42:21,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:42:21,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:42:21,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:21,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:42:21,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:21,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 21:42:21,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:21,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-23 21:42:21,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:21,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-23 21:42:21,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:21,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 21:42:21,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:21,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 21:42:21,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:21,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-23 21:42:21,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:21,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-23 21:42:21,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:21,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-23 21:42:21,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:21,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-23 21:42:21,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:21,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-23 21:42:21,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:21,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-23 21:42:21,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:21,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-23 21:42:21,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:21,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-23 21:42:21,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:21,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-23 21:42:21,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:21,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-23 21:42:21,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:21,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-23 21:42:21,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:21,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-23 21:42:21,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:21,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-23 21:42:21,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:21,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-23 21:42:21,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:21,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-23 21:42:21,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:21,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-23 21:42:21,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:21,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-23 21:42:21,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:21,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-23 21:42:21,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:21,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-23 21:42:21,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:21,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-23 21:42:21,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:21,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-23 21:42:21,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:21,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-23 21:42:21,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:21,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-23 21:42:21,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:21,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-11-23 21:42:21,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:21,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-11-23 21:42:21,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:21,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-23 21:42:21,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:21,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-23 21:42:21,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:21,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-11-23 21:42:21,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:21,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-11-23 21:42:21,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:21,838 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 6 proven. 96 refuted. 0 times theorem prover too weak. 2278 trivial. 0 not checked. [2023-11-23 21:42:21,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:42:21,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892455092] [2023-11-23 21:42:21,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892455092] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:42:21,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [248689138] [2023-11-23 21:42:21,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:42:21,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:42:21,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:42:21,840 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:42:21,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-23 21:42:21,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:21,950 INFO L262 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 21:42:21,955 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:42:22,156 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 6 proven. 96 refuted. 0 times theorem prover too weak. 2278 trivial. 0 not checked. [2023-11-23 21:42:22,157 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:42:22,350 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 6 proven. 96 refuted. 0 times theorem prover too weak. 2278 trivial. 0 not checked. [2023-11-23 21:42:22,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [248689138] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:42:22,350 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 21:42:22,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 8 [2023-11-23 21:42:22,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348903260] [2023-11-23 21:42:22,351 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 21:42:22,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-23 21:42:22,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:42:22,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-23 21:42:22,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-23 21:42:22,353 INFO L87 Difference]: Start difference. First operand 82 states and 120 transitions. Second operand has 9 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 4 states have call successors, (66), 1 states have call predecessors, (66), 2 states have return successors, (66), 4 states have call predecessors, (66), 4 states have call successors, (66) [2023-11-23 21:42:22,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:42:22,715 INFO L93 Difference]: Finished difference Result 82 states and 120 transitions. [2023-11-23 21:42:22,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 21:42:22,716 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 4 states have call successors, (66), 1 states have call predecessors, (66), 2 states have return successors, (66), 4 states have call predecessors, (66), 4 states have call successors, (66) Word has length 195 [2023-11-23 21:42:22,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:42:22,717 INFO L225 Difference]: With dead ends: 82 [2023-11-23 21:42:22,717 INFO L226 Difference]: Without dead ends: 81 [2023-11-23 21:42:22,718 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 465 GetRequests, 454 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2023-11-23 21:42:22,718 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 30 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-23 21:42:22,719 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 323 Invalid, 395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-23 21:42:22,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2023-11-23 21:42:22,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2023-11-23 21:42:22,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 37 states have (on average 1.2162162162162162) internal successors, (45), 42 states have internal predecessors, (45), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2023-11-23 21:42:22,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 119 transitions. [2023-11-23 21:42:22,735 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 119 transitions. Word has length 195 [2023-11-23 21:42:22,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:42:22,736 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 119 transitions. [2023-11-23 21:42:22,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 4 states have call successors, (66), 1 states have call predecessors, (66), 2 states have return successors, (66), 4 states have call predecessors, (66), 4 states have call successors, (66) [2023-11-23 21:42:22,737 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 119 transitions. [2023-11-23 21:42:22,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2023-11-23 21:42:22,740 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:42:22,740 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:42:22,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-23 21:42:22,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:42:22,962 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-23 21:42:22,963 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:42:22,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1666260960, now seen corresponding path program 1 times [2023-11-23 21:42:22,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:42:22,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862085534] [2023-11-23 21:42:22,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:42:22,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:42:22,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:23,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:42:23,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:23,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 21:42:23,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:23,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-23 21:42:23,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:23,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-23 21:42:23,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:23,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 21:42:23,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:23,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 21:42:23,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:23,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-23 21:42:23,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:23,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-23 21:42:23,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:23,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-23 21:42:23,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:23,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-23 21:42:23,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:23,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-23 21:42:23,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:23,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-23 21:42:23,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:23,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-23 21:42:23,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:23,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-23 21:42:23,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:23,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-23 21:42:23,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:23,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-23 21:42:23,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:23,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-23 21:42:23,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:23,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-23 21:42:23,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:23,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-23 21:42:23,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:23,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-23 21:42:23,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:23,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-23 21:42:23,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:23,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-23 21:42:23,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:23,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-23 21:42:23,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:23,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-23 21:42:23,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:23,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-23 21:42:23,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:23,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-23 21:42:23,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:23,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-23 21:42:23,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:23,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-23 21:42:23,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:23,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-23 21:42:23,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:23,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-11-23 21:42:23,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:23,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-11-23 21:42:23,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:23,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-23 21:42:23,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:23,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-23 21:42:23,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:23,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-11-23 21:42:23,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:23,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-11-23 21:42:23,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:23,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2023-11-23 21:42:23,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:23,269 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 12 proven. 93 refuted. 0 times theorem prover too weak. 2415 trivial. 0 not checked. [2023-11-23 21:42:23,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:42:23,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862085534] [2023-11-23 21:42:23,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862085534] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:42:23,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1963458186] [2023-11-23 21:42:23,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:42:23,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:42:23,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:42:23,271 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:42:23,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-23 21:42:23,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:23,387 INFO L262 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 21:42:23,391 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:42:23,602 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 12 proven. 93 refuted. 0 times theorem prover too weak. 2415 trivial. 0 not checked. [2023-11-23 21:42:23,602 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:42:23,812 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 12 proven. 93 refuted. 0 times theorem prover too weak. 2415 trivial. 0 not checked. [2023-11-23 21:42:23,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1963458186] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:42:23,813 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 21:42:23,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2023-11-23 21:42:23,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452680855] [2023-11-23 21:42:23,816 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 21:42:23,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-23 21:42:23,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:42:23,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-23 21:42:23,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-11-23 21:42:23,819 INFO L87 Difference]: Start difference. First operand 81 states and 119 transitions. Second operand has 10 states, 9 states have (on average 6.888888888888889) internal successors, (62), 8 states have internal predecessors, (62), 6 states have call successors, (97), 1 states have call predecessors, (97), 2 states have return successors, (98), 6 states have call predecessors, (98), 6 states have call successors, (98) [2023-11-23 21:42:24,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:42:24,013 INFO L93 Difference]: Finished difference Result 81 states and 119 transitions. [2023-11-23 21:42:24,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 21:42:24,014 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.888888888888889) internal successors, (62), 8 states have internal predecessors, (62), 6 states have call successors, (97), 1 states have call predecessors, (97), 2 states have return successors, (98), 6 states have call predecessors, (98), 6 states have call successors, (98) Word has length 200 [2023-11-23 21:42:24,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:42:24,016 INFO L225 Difference]: With dead ends: 81 [2023-11-23 21:42:24,016 INFO L226 Difference]: Without dead ends: 80 [2023-11-23 21:42:24,017 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 475 GetRequests, 466 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2023-11-23 21:42:24,020 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 90 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:42:24,020 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 181 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 21:42:24,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-11-23 21:42:24,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2023-11-23 21:42:24,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 37 states have (on average 1.1891891891891893) internal successors, (44), 41 states have internal predecessors, (44), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2023-11-23 21:42:24,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 118 transitions. [2023-11-23 21:42:24,036 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 118 transitions. Word has length 200 [2023-11-23 21:42:24,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:42:24,040 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 118 transitions. [2023-11-23 21:42:24,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.888888888888889) internal successors, (62), 8 states have internal predecessors, (62), 6 states have call successors, (97), 1 states have call predecessors, (97), 2 states have return successors, (98), 6 states have call predecessors, (98), 6 states have call successors, (98) [2023-11-23 21:42:24,041 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 118 transitions. [2023-11-23 21:42:24,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2023-11-23 21:42:24,045 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:42:24,045 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:42:24,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-23 21:42:24,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-11-23 21:42:24,260 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-23 21:42:24,261 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:42:24,261 INFO L85 PathProgramCache]: Analyzing trace with hash -114482096, now seen corresponding path program 1 times [2023-11-23 21:42:24,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:42:24,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294844626] [2023-11-23 21:42:24,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:42:24,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:42:24,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:24,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:42:24,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:24,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 21:42:24,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:24,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-23 21:42:24,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:24,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-23 21:42:24,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:24,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 21:42:24,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:24,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 21:42:24,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:24,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-23 21:42:24,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:24,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-23 21:42:24,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:24,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-23 21:42:24,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:24,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-23 21:42:24,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:24,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-23 21:42:24,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:24,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-23 21:42:24,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:24,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-23 21:42:24,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:24,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-23 21:42:24,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:24,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-23 21:42:24,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:24,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-23 21:42:24,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:24,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-23 21:42:24,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:24,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-23 21:42:24,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:24,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-23 21:42:24,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:24,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-23 21:42:24,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:24,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-23 21:42:24,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:24,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-23 21:42:24,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:24,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-23 21:42:24,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:24,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-23 21:42:24,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:24,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-23 21:42:24,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:24,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-23 21:42:24,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:24,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-23 21:42:24,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:24,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-23 21:42:24,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:24,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-23 21:42:24,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:24,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-11-23 21:42:24,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:24,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-11-23 21:42:24,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:24,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-23 21:42:24,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:24,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-23 21:42:24,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:24,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-11-23 21:42:24,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:24,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-11-23 21:42:24,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:24,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2023-11-23 21:42:24,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:24,550 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 18 proven. 87 refuted. 0 times theorem prover too weak. 2415 trivial. 0 not checked. [2023-11-23 21:42:24,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:42:24,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294844626] [2023-11-23 21:42:24,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294844626] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:42:24,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [130653039] [2023-11-23 21:42:24,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:42:24,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:42:24,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:42:24,553 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:42:24,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-23 21:42:24,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:24,666 INFO L262 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 21:42:24,671 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:42:24,873 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 18 proven. 87 refuted. 0 times theorem prover too weak. 2415 trivial. 0 not checked. [2023-11-23 21:42:24,873 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:42:25,065 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 18 proven. 87 refuted. 0 times theorem prover too weak. 2415 trivial. 0 not checked. [2023-11-23 21:42:25,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [130653039] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:42:25,065 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 21:42:25,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2023-11-23 21:42:25,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364278651] [2023-11-23 21:42:25,066 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 21:42:25,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 21:42:25,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:42:25,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 21:42:25,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-23 21:42:25,068 INFO L87 Difference]: Start difference. First operand 80 states and 118 transitions. Second operand has 8 states, 7 states have (on average 6.571428571428571) internal successors, (46), 8 states have internal predecessors, (46), 4 states have call successors, (65), 1 states have call predecessors, (65), 2 states have return successors, (66), 4 states have call predecessors, (66), 4 states have call successors, (66) [2023-11-23 21:42:25,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:42:25,303 INFO L93 Difference]: Finished difference Result 80 states and 118 transitions. [2023-11-23 21:42:25,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 21:42:25,304 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.571428571428571) internal successors, (46), 8 states have internal predecessors, (46), 4 states have call successors, (65), 1 states have call predecessors, (65), 2 states have return successors, (66), 4 states have call predecessors, (66), 4 states have call successors, (66) Word has length 201 [2023-11-23 21:42:25,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:42:25,305 INFO L225 Difference]: With dead ends: 80 [2023-11-23 21:42:25,305 INFO L226 Difference]: Without dead ends: 79 [2023-11-23 21:42:25,306 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 477 GetRequests, 469 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-11-23 21:42:25,306 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 62 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:42:25,307 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 212 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 21:42:25,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-11-23 21:42:25,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2023-11-23 21:42:25,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 37 states have (on average 1.162162162162162) internal successors, (43), 40 states have internal predecessors, (43), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2023-11-23 21:42:25,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 117 transitions. [2023-11-23 21:42:25,320 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 117 transitions. Word has length 201 [2023-11-23 21:42:25,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:42:25,321 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 117 transitions. [2023-11-23 21:42:25,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.571428571428571) internal successors, (46), 8 states have internal predecessors, (46), 4 states have call successors, (65), 1 states have call predecessors, (65), 2 states have return successors, (66), 4 states have call predecessors, (66), 4 states have call successors, (66) [2023-11-23 21:42:25,322 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 117 transitions. [2023-11-23 21:42:25,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-11-23 21:42:25,324 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:42:25,325 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:42:25,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-23 21:42:25,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-23 21:42:25,540 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-23 21:42:25,541 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:42:25,541 INFO L85 PathProgramCache]: Analyzing trace with hash -331972665, now seen corresponding path program 1 times [2023-11-23 21:42:25,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:42:25,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700592823] [2023-11-23 21:42:25,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:42:25,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:42:25,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:25,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:42:25,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:25,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 21:42:25,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:25,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-23 21:42:25,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:25,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-23 21:42:25,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:25,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 21:42:25,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:25,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 21:42:25,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:25,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-23 21:42:25,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:25,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-23 21:42:25,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:25,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-23 21:42:25,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:25,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-23 21:42:25,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:25,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-23 21:42:25,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:25,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-23 21:42:25,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:25,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-23 21:42:25,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:25,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-23 21:42:25,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:25,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-23 21:42:25,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:25,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-23 21:42:25,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:25,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-23 21:42:25,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:25,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-23 21:42:25,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:25,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-23 21:42:25,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:25,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-23 21:42:25,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:25,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-23 21:42:25,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:25,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-23 21:42:25,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:25,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-23 21:42:25,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:25,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-23 21:42:25,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:25,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-23 21:42:25,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:25,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-23 21:42:25,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:25,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-23 21:42:25,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:25,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-23 21:42:25,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:25,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-23 21:42:25,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:25,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-11-23 21:42:25,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:25,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-11-23 21:42:25,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:25,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-23 21:42:25,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:25,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-23 21:42:25,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:25,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-11-23 21:42:25,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:25,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-11-23 21:42:25,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:25,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2023-11-23 21:42:25,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:25,997 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 30 proven. 174 refuted. 0 times theorem prover too weak. 2316 trivial. 0 not checked. [2023-11-23 21:42:25,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:42:25,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700592823] [2023-11-23 21:42:25,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700592823] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:42:25,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1692488237] [2023-11-23 21:42:25,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:42:25,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:42:25,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:42:26,000 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:42:26,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-23 21:42:26,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:26,141 INFO L262 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-23 21:42:26,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:42:26,477 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 153 proven. 231 refuted. 0 times theorem prover too weak. 2136 trivial. 0 not checked. [2023-11-23 21:42:26,477 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:42:26,923 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 153 proven. 231 refuted. 0 times theorem prover too weak. 2136 trivial. 0 not checked. [2023-11-23 21:42:26,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1692488237] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:42:26,923 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 21:42:26,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 10, 11] total 22 [2023-11-23 21:42:26,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214324151] [2023-11-23 21:42:26,925 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 21:42:26,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-11-23 21:42:26,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:42:26,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-11-23 21:42:26,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=434, Unknown=0, NotChecked=0, Total=506 [2023-11-23 21:42:26,928 INFO L87 Difference]: Start difference. First operand 79 states and 117 transitions. Second operand has 23 states, 21 states have (on average 3.619047619047619) internal successors, (76), 23 states have internal predecessors, (76), 11 states have call successors, (102), 1 states have call predecessors, (102), 2 states have return successors, (104), 11 states have call predecessors, (104), 11 states have call successors, (104) [2023-11-23 21:42:27,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:42:27,680 INFO L93 Difference]: Finished difference Result 85 states and 124 transitions. [2023-11-23 21:42:27,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-23 21:42:27,681 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 21 states have (on average 3.619047619047619) internal successors, (76), 23 states have internal predecessors, (76), 11 states have call successors, (102), 1 states have call predecessors, (102), 2 states have return successors, (104), 11 states have call predecessors, (104), 11 states have call successors, (104) Word has length 204 [2023-11-23 21:42:27,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:42:27,683 INFO L225 Difference]: With dead ends: 85 [2023-11-23 21:42:27,685 INFO L226 Difference]: Without dead ends: 84 [2023-11-23 21:42:27,686 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 495 GetRequests, 463 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=267, Invalid=855, Unknown=0, NotChecked=0, Total=1122 [2023-11-23 21:42:27,687 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 230 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 589 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-23 21:42:27,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 466 Invalid, 680 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 589 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-23 21:42:27,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2023-11-23 21:42:27,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 78. [2023-11-23 21:42:27,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 37 states have (on average 1.135135135135135) internal successors, (42), 39 states have internal predecessors, (42), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2023-11-23 21:42:27,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 116 transitions. [2023-11-23 21:42:27,704 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 116 transitions. Word has length 204 [2023-11-23 21:42:27,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:42:27,704 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 116 transitions. [2023-11-23 21:42:27,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 21 states have (on average 3.619047619047619) internal successors, (76), 23 states have internal predecessors, (76), 11 states have call successors, (102), 1 states have call predecessors, (102), 2 states have return successors, (104), 11 states have call predecessors, (104), 11 states have call successors, (104) [2023-11-23 21:42:27,705 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 116 transitions. [2023-11-23 21:42:27,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2023-11-23 21:42:27,708 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:42:27,708 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 37, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:42:27,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-23 21:42:27,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:42:27,924 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-23 21:42:27,925 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:42:27,925 INFO L85 PathProgramCache]: Analyzing trace with hash 296517476, now seen corresponding path program 1 times [2023-11-23 21:42:27,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:42:27,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765286528] [2023-11-23 21:42:27,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:42:27,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:42:27,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:28,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:42:28,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:28,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 21:42:28,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:28,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-23 21:42:28,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:28,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-23 21:42:28,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:28,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 21:42:28,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:28,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 21:42:28,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:28,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-23 21:42:28,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:28,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-23 21:42:28,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:28,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-23 21:42:28,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:28,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-23 21:42:28,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:28,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-23 21:42:28,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:28,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-23 21:42:28,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:28,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-23 21:42:28,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:28,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-23 21:42:28,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:28,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-23 21:42:28,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:28,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-23 21:42:28,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:28,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-23 21:42:28,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:28,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-23 21:42:28,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:28,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-23 21:42:28,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:28,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-23 21:42:28,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:28,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-23 21:42:28,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:28,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-23 21:42:28,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:28,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-23 21:42:28,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:28,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-23 21:42:28,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:28,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-23 21:42:28,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:28,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-23 21:42:28,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:28,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-23 21:42:28,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:28,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-23 21:42:28,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:28,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-23 21:42:28,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:28,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-11-23 21:42:28,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:28,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-11-23 21:42:28,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:28,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-23 21:42:28,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:28,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-23 21:42:28,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:28,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-11-23 21:42:28,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:28,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-11-23 21:42:28,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:28,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2023-11-23 21:42:28,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:28,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-11-23 21:42:28,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:28,228 INFO L134 CoverageAnalysis]: Checked inductivity of 2664 backedges. 18 proven. 90 refuted. 0 times theorem prover too weak. 2556 trivial. 0 not checked. [2023-11-23 21:42:28,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:42:28,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765286528] [2023-11-23 21:42:28,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765286528] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:42:28,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2116450860] [2023-11-23 21:42:28,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:42:28,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:42:28,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:42:28,233 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:42:28,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-23 21:42:28,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:28,346 INFO L262 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 21:42:28,351 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:42:28,529 INFO L134 CoverageAnalysis]: Checked inductivity of 2664 backedges. 18 proven. 90 refuted. 0 times theorem prover too weak. 2556 trivial. 0 not checked. [2023-11-23 21:42:28,529 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:42:28,733 INFO L134 CoverageAnalysis]: Checked inductivity of 2664 backedges. 18 proven. 90 refuted. 0 times theorem prover too weak. 2556 trivial. 0 not checked. [2023-11-23 21:42:28,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2116450860] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:42:28,733 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 21:42:28,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2023-11-23 21:42:28,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142679756] [2023-11-23 21:42:28,734 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 21:42:28,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-23 21:42:28,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:42:28,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-23 21:42:28,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-11-23 21:42:28,737 INFO L87 Difference]: Start difference. First operand 78 states and 116 transitions. Second operand has 10 states, 9 states have (on average 8.0) internal successors, (72), 8 states have internal predecessors, (72), 6 states have call successors, (96), 1 states have call predecessors, (96), 2 states have return successors, (97), 6 states have call predecessors, (97), 6 states have call successors, (97) [2023-11-23 21:42:28,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:42:28,919 INFO L93 Difference]: Finished difference Result 78 states and 116 transitions. [2023-11-23 21:42:28,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 21:42:28,920 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.0) internal successors, (72), 8 states have internal predecessors, (72), 6 states have call successors, (96), 1 states have call predecessors, (96), 2 states have return successors, (97), 6 states have call predecessors, (97), 6 states have call successors, (97) Word has length 209 [2023-11-23 21:42:28,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:42:28,921 INFO L225 Difference]: With dead ends: 78 [2023-11-23 21:42:28,921 INFO L226 Difference]: Without dead ends: 77 [2023-11-23 21:42:28,922 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 495 GetRequests, 486 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2023-11-23 21:42:28,923 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 62 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:42:28,923 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 185 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 21:42:28,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2023-11-23 21:42:28,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2023-11-23 21:42:28,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 37 states have (on average 1.1081081081081081) internal successors, (41), 38 states have internal predecessors, (41), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2023-11-23 21:42:28,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 115 transitions. [2023-11-23 21:42:28,937 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 115 transitions. Word has length 209 [2023-11-23 21:42:28,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:42:28,938 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 115 transitions. [2023-11-23 21:42:28,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.0) internal successors, (72), 8 states have internal predecessors, (72), 6 states have call successors, (96), 1 states have call predecessors, (96), 2 states have return successors, (97), 6 states have call predecessors, (97), 6 states have call successors, (97) [2023-11-23 21:42:28,939 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 115 transitions. [2023-11-23 21:42:28,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2023-11-23 21:42:28,962 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:42:28,962 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 37, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:42:28,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-23 21:42:29,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:42:29,179 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-23 21:42:29,180 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:42:29,180 INFO L85 PathProgramCache]: Analyzing trace with hash 602107292, now seen corresponding path program 1 times [2023-11-23 21:42:29,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:42:29,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383662078] [2023-11-23 21:42:29,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:42:29,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:42:29,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:29,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:42:29,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:29,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 21:42:29,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:29,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-23 21:42:29,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:29,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-23 21:42:29,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:29,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 21:42:29,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:29,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 21:42:29,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:29,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-23 21:42:29,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:29,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-23 21:42:29,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:29,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-23 21:42:29,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:29,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-23 21:42:29,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:29,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-23 21:42:29,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:29,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-23 21:42:29,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:29,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-23 21:42:29,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:29,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-23 21:42:29,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:29,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-23 21:42:29,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:29,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-23 21:42:29,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:29,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-23 21:42:29,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:29,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-23 21:42:29,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:29,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-23 21:42:29,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:29,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-23 21:42:29,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:29,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-23 21:42:29,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:29,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-23 21:42:29,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:29,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-23 21:42:29,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:29,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-23 21:42:29,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:29,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-23 21:42:29,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:29,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-23 21:42:29,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:29,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-23 21:42:29,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:29,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-23 21:42:29,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:29,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-23 21:42:29,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:29,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-11-23 21:42:29,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:29,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-11-23 21:42:29,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:29,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-23 21:42:29,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:29,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-23 21:42:29,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:29,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-11-23 21:42:29,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:29,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-11-23 21:42:29,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:29,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2023-11-23 21:42:29,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:29,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-11-23 21:42:29,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:29,521 INFO L134 CoverageAnalysis]: Checked inductivity of 2664 backedges. 24 proven. 84 refuted. 0 times theorem prover too weak. 2556 trivial. 0 not checked. [2023-11-23 21:42:29,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:42:29,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383662078] [2023-11-23 21:42:29,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383662078] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:42:29,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [427156215] [2023-11-23 21:42:29,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:42:29,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:42:29,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:42:29,538 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:42:29,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-23 21:42:29,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:29,648 INFO L262 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 21:42:29,652 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:42:29,862 INFO L134 CoverageAnalysis]: Checked inductivity of 2664 backedges. 24 proven. 84 refuted. 0 times theorem prover too weak. 2556 trivial. 0 not checked. [2023-11-23 21:42:29,863 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:42:30,057 INFO L134 CoverageAnalysis]: Checked inductivity of 2664 backedges. 24 proven. 84 refuted. 0 times theorem prover too weak. 2556 trivial. 0 not checked. [2023-11-23 21:42:30,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [427156215] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:42:30,058 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 21:42:30,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2023-11-23 21:42:30,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889867547] [2023-11-23 21:42:30,060 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 21:42:30,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 21:42:30,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:42:30,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 21:42:30,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-23 21:42:30,063 INFO L87 Difference]: Start difference. First operand 77 states and 115 transitions. Second operand has 8 states, 7 states have (on average 7.571428571428571) internal successors, (53), 8 states have internal predecessors, (53), 4 states have call successors, (65), 1 states have call predecessors, (65), 2 states have return successors, (66), 4 states have call predecessors, (66), 4 states have call successors, (66) [2023-11-23 21:42:30,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:42:30,391 INFO L93 Difference]: Finished difference Result 77 states and 115 transitions. [2023-11-23 21:42:30,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 21:42:30,392 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.571428571428571) internal successors, (53), 8 states have internal predecessors, (53), 4 states have call successors, (65), 1 states have call predecessors, (65), 2 states have return successors, (66), 4 states have call predecessors, (66), 4 states have call successors, (66) Word has length 210 [2023-11-23 21:42:30,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:42:30,393 INFO L225 Difference]: With dead ends: 77 [2023-11-23 21:42:30,393 INFO L226 Difference]: Without dead ends: 76 [2023-11-23 21:42:30,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 497 GetRequests, 489 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-11-23 21:42:30,394 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 28 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-23 21:42:30,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 249 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-23 21:42:30,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2023-11-23 21:42:30,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2023-11-23 21:42:30,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 37 states have (on average 1.0810810810810811) internal successors, (40), 37 states have internal predecessors, (40), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2023-11-23 21:42:30,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 114 transitions. [2023-11-23 21:42:30,408 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 114 transitions. Word has length 210 [2023-11-23 21:42:30,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:42:30,408 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 114 transitions. [2023-11-23 21:42:30,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.571428571428571) internal successors, (53), 8 states have internal predecessors, (53), 4 states have call successors, (65), 1 states have call predecessors, (65), 2 states have return successors, (66), 4 states have call predecessors, (66), 4 states have call successors, (66) [2023-11-23 21:42:30,409 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 114 transitions. [2023-11-23 21:42:30,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-11-23 21:42:30,410 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:42:30,411 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 37, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:42:30,437 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-23 21:42:30,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:42:30,632 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-23 21:42:30,632 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:42:30,632 INFO L85 PathProgramCache]: Analyzing trace with hash 1595040011, now seen corresponding path program 1 times [2023-11-23 21:42:30,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:42:30,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748042904] [2023-11-23 21:42:30,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:42:30,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:42:30,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:30,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 21:42:30,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:30,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 21:42:30,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:30,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-23 21:42:30,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:30,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-23 21:42:30,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:30,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 21:42:30,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:30,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 21:42:30,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:30,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-23 21:42:30,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:30,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-23 21:42:30,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:30,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-23 21:42:30,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:30,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-23 21:42:30,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:30,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-23 21:42:30,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:30,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-23 21:42:30,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:30,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-23 21:42:30,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:30,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-23 21:42:30,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:30,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-23 21:42:30,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:30,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-23 21:42:30,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:30,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-23 21:42:30,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:30,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-23 21:42:30,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:30,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-23 21:42:30,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:30,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-23 21:42:30,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:30,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-23 21:42:30,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:30,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-23 21:42:30,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:30,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-23 21:42:30,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:30,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-11-23 21:42:30,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:30,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-23 21:42:30,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:30,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-23 21:42:30,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:30,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-23 21:42:30,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:30,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-23 21:42:30,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:30,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-23 21:42:30,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:30,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-11-23 21:42:30,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:30,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-11-23 21:42:30,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:30,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-23 21:42:30,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:30,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-23 21:42:30,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:30,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-11-23 21:42:30,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:30,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-11-23 21:42:30,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:30,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2023-11-23 21:42:30,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:30,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-11-23 21:42:30,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:30,901 INFO L134 CoverageAnalysis]: Checked inductivity of 2664 backedges. 18 proven. 90 refuted. 0 times theorem prover too weak. 2556 trivial. 0 not checked. [2023-11-23 21:42:30,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:42:30,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748042904] [2023-11-23 21:42:30,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748042904] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:42:30,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2109078549] [2023-11-23 21:42:30,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:42:30,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:42:30,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:42:30,904 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:42:30,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-23 21:42:31,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:42:31,004 INFO L262 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 21:42:31,008 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:42:31,190 INFO L134 CoverageAnalysis]: Checked inductivity of 2664 backedges. 18 proven. 90 refuted. 0 times theorem prover too weak. 2556 trivial. 0 not checked. [2023-11-23 21:42:31,190 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:42:31,384 INFO L134 CoverageAnalysis]: Checked inductivity of 2664 backedges. 18 proven. 90 refuted. 0 times theorem prover too weak. 2556 trivial. 0 not checked. [2023-11-23 21:42:31,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2109078549] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:42:31,384 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 21:42:31,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 8 [2023-11-23 21:42:31,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287352079] [2023-11-23 21:42:31,385 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 21:42:31,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-23 21:42:31,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:42:31,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-23 21:42:31,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-23 21:42:31,387 INFO L87 Difference]: Start difference. First operand 76 states and 114 transitions. Second operand has 9 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 4 states have call successors, (66), 1 states have call predecessors, (66), 2 states have return successors, (66), 4 states have call predecessors, (66), 4 states have call successors, (66) [2023-11-23 21:42:31,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:42:31,648 INFO L93 Difference]: Finished difference Result 76 states and 114 transitions. [2023-11-23 21:42:31,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 21:42:31,648 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 4 states have call successors, (66), 1 states have call predecessors, (66), 2 states have return successors, (66), 4 states have call predecessors, (66), 4 states have call successors, (66) Word has length 213 [2023-11-23 21:42:31,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:42:31,649 INFO L225 Difference]: With dead ends: 76 [2023-11-23 21:42:31,649 INFO L226 Difference]: Without dead ends: 0 [2023-11-23 21:42:31,652 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 505 GetRequests, 494 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2023-11-23 21:42:31,652 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 26 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:42:31,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 258 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 21:42:31,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-23 21:42:31,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-23 21:42:31,654 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) [2023-11-23 21:42:31,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-23 21:42:31,654 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 213 [2023-11-23 21:42:31,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:42:31,655 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-23 21:42:31,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 4 states have call successors, (66), 1 states have call predecessors, (66), 2 states have return successors, (66), 4 states have call predecessors, (66), 4 states have call successors, (66) [2023-11-23 21:42:31,655 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-23 21:42:31,655 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 21:42:31,659 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 16 remaining) [2023-11-23 21:42:31,660 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 16 remaining) [2023-11-23 21:42:31,660 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 16 remaining) [2023-11-23 21:42:31,661 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 16 remaining) [2023-11-23 21:42:31,661 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 16 remaining) [2023-11-23 21:42:31,661 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 16 remaining) [2023-11-23 21:42:31,661 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 16 remaining) [2023-11-23 21:42:31,661 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 16 remaining) [2023-11-23 21:42:31,662 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 16 remaining) [2023-11-23 21:42:31,662 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 16 remaining) [2023-11-23 21:42:31,663 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 16 remaining) [2023-11-23 21:42:31,663 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 16 remaining) [2023-11-23 21:42:31,664 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 16 remaining) [2023-11-23 21:42:31,664 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 16 remaining) [2023-11-23 21:42:31,664 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 16 remaining) [2023-11-23 21:42:31,664 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 16 remaining) [2023-11-23 21:42:31,686 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-23 21:42:31,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:42:31,887 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-23 21:42:32,724 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 82) no Hoare annotation was computed. [2023-11-23 21:42:32,724 INFO L899 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2023-11-23 21:42:32,724 INFO L899 garLoopResultBuilder]: For program point L85-2(line 85) no Hoare annotation was computed. [2023-11-23 21:42:32,724 INFO L899 garLoopResultBuilder]: For program point L85-3(line 85) no Hoare annotation was computed. [2023-11-23 21:42:32,724 INFO L899 garLoopResultBuilder]: For program point L85-4(line 85) no Hoare annotation was computed. [2023-11-23 21:42:32,724 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 91) no Hoare annotation was computed. [2023-11-23 21:42:32,725 INFO L895 garLoopResultBuilder]: At program point L77(line 77) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~var4~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var1~0#1|) (<= 0 |ULTIMATE.start_main_~var2~0#1|) (<= |ULTIMATE.start_main_~var1~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var3~0#1|) (<= |ULTIMATE.start_main_~var2~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var4~0#1|) (<= |ULTIMATE.start_main_~var0~0#1| 2147483647) (<= |ULTIMATE.start_main_~var6~0#1| 4) (<= |ULTIMATE.start_main_~var1~0#1| (+ 4 |ULTIMATE.start_main_~var0~0#1|)) (<= |ULTIMATE.start_main_~var3~0#1| 4) (<= 0 |ULTIMATE.start_main_~var0~0#1|)) [2023-11-23 21:42:32,725 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 85) no Hoare annotation was computed. [2023-11-23 21:42:32,725 INFO L895 garLoopResultBuilder]: At program point L69(line 69) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~var4~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var1~0#1|) (<= 0 |ULTIMATE.start_main_~var2~0#1|) (<= |ULTIMATE.start_main_~var1~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var3~0#1|) (<= |ULTIMATE.start_main_~var2~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var4~0#1|) (<= |ULTIMATE.start_main_~var0~0#1| 2147483647) (<= |ULTIMATE.start_main_~var6~0#1| 4) (<= |ULTIMATE.start_main_~var1~0#1| (+ 4 |ULTIMATE.start_main_~var0~0#1|)) (<= |ULTIMATE.start_main_~var3~0#1| 4) (<= 0 |ULTIMATE.start_main_~var0~0#1|)) [2023-11-23 21:42:32,725 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 81) no Hoare annotation was computed. [2023-11-23 21:42:32,726 INFO L895 garLoopResultBuilder]: At program point L61(line 61) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~var4~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var1~0#1|) (<= 0 |ULTIMATE.start_main_~var2~0#1|) (<= |ULTIMATE.start_main_~var1~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var3~0#1|) (<= |ULTIMATE.start_main_~var2~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var4~0#1|) (<= |ULTIMATE.start_main_~var0~0#1| 2147483647) (<= |ULTIMATE.start_main_~var6~0#1| 4) (<= |ULTIMATE.start_main_~var1~0#1| (+ 4 |ULTIMATE.start_main_~var0~0#1|)) (<= |ULTIMATE.start_main_~var3~0#1| 4) (<= 0 |ULTIMATE.start_main_~var0~0#1|)) [2023-11-23 21:42:32,726 INFO L895 garLoopResultBuilder]: At program point L61-1(line 61) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~var4~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var1~0#1|) (<= 0 |ULTIMATE.start_main_~var2~0#1|) (<= |ULTIMATE.start_main_~var1~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var3~0#1|) (<= |ULTIMATE.start_main_~var2~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var4~0#1|) (<= |ULTIMATE.start_main_~var0~0#1| 2147483647) (<= |ULTIMATE.start_main_~var6~0#1| 4) (<= |ULTIMATE.start_main_~var1~0#1| (+ 4 |ULTIMATE.start_main_~var0~0#1|)) (<= |ULTIMATE.start_main_~var3~0#1| 4) (<= 0 |ULTIMATE.start_main_~var0~0#1|)) [2023-11-23 21:42:32,726 INFO L895 garLoopResultBuilder]: At program point L86(line 86) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~var4~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var1~0#1|) (<= 0 |ULTIMATE.start_main_~var2~0#1|) (<= |ULTIMATE.start_main_~var1~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var3~0#1|) (<= |ULTIMATE.start_main_~var2~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var4~0#1|) (<= |ULTIMATE.start_main_~var0~0#1| 2147483647) (<= |ULTIMATE.start_main_~var6~0#1| 4) (<= |ULTIMATE.start_main_~var1~0#1| (+ 4 |ULTIMATE.start_main_~var0~0#1|)) (<= |ULTIMATE.start_main_~var3~0#1| 4) (<= 0 |ULTIMATE.start_main_~var0~0#1|)) [2023-11-23 21:42:32,726 INFO L895 garLoopResultBuilder]: At program point L53(line 53) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~var4~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var1~0#1|) (<= 0 |ULTIMATE.start_main_~var2~0#1|) (<= |ULTIMATE.start_main_~var1~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var3~0#1|) (<= |ULTIMATE.start_main_~var2~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var4~0#1|) (<= |ULTIMATE.start_main_~var0~0#1| 2147483647) (<= |ULTIMATE.start_main_~var1~0#1| (+ 4 |ULTIMATE.start_main_~var0~0#1|)) (<= |ULTIMATE.start_main_~var3~0#1| 4) (<= 0 |ULTIMATE.start_main_~var0~0#1|)) [2023-11-23 21:42:32,726 INFO L899 garLoopResultBuilder]: For program point L86-1(line 86) no Hoare annotation was computed. [2023-11-23 21:42:32,727 INFO L895 garLoopResultBuilder]: At program point L53-1(line 53) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~var4~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var1~0#1|) (<= 0 |ULTIMATE.start_main_~var2~0#1|) (<= |ULTIMATE.start_main_~var1~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var3~0#1|) (<= |ULTIMATE.start_main_~var2~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var4~0#1|) (<= |ULTIMATE.start_main_~var0~0#1| 2147483647) (<= |ULTIMATE.start_main_~var1~0#1| (+ 4 |ULTIMATE.start_main_~var0~0#1|)) (<= |ULTIMATE.start_main_~var3~0#1| 4) (<= 0 |ULTIMATE.start_main_~var0~0#1|)) [2023-11-23 21:42:32,727 INFO L895 garLoopResultBuilder]: At program point L78(line 78) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~var4~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var1~0#1|) (<= 0 |ULTIMATE.start_main_~var2~0#1|) (<= |ULTIMATE.start_main_~var1~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var3~0#1|) (<= |ULTIMATE.start_main_~var2~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var4~0#1|) (<= |ULTIMATE.start_main_~var0~0#1| 2147483647) (<= |ULTIMATE.start_main_~var6~0#1| 4) (<= |ULTIMATE.start_main_~var1~0#1| (+ 4 |ULTIMATE.start_main_~var0~0#1|)) (<= |ULTIMATE.start_main_~var3~0#1| 4) (<= 0 |ULTIMATE.start_main_~var0~0#1|)) [2023-11-23 21:42:32,727 INFO L895 garLoopResultBuilder]: At program point L45(line 45) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~var4~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var1~0#1|) (<= 0 |ULTIMATE.start_main_~var2~0#1|) (<= |ULTIMATE.start_main_~var1~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var3~0#1|) (<= |ULTIMATE.start_main_~var2~0#1| 2147483647) (<= |ULTIMATE.start_main_~var0~0#1| 2147483647) (<= |ULTIMATE.start_main_~var1~0#1| (+ 4 |ULTIMATE.start_main_~var0~0#1|)) (<= |ULTIMATE.start_main_~var3~0#1| 4) (<= 0 |ULTIMATE.start_main_~var0~0#1|)) [2023-11-23 21:42:32,727 INFO L895 garLoopResultBuilder]: At program point L45-1(line 45) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~var4~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var1~0#1|) (<= 0 |ULTIMATE.start_main_~var2~0#1|) (<= |ULTIMATE.start_main_~var1~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var3~0#1|) (<= |ULTIMATE.start_main_~var2~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var4~0#1|) (<= |ULTIMATE.start_main_~var0~0#1| 2147483647) (<= |ULTIMATE.start_main_~var1~0#1| (+ 4 |ULTIMATE.start_main_~var0~0#1|)) (<= |ULTIMATE.start_main_~var3~0#1| 4) (<= 0 |ULTIMATE.start_main_~var0~0#1|)) [2023-11-23 21:42:32,727 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 87) no Hoare annotation was computed. [2023-11-23 21:42:32,728 INFO L895 garLoopResultBuilder]: At program point L70(line 70) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~var4~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var1~0#1|) (<= 0 |ULTIMATE.start_main_~var2~0#1|) (<= |ULTIMATE.start_main_~var1~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var3~0#1|) (<= |ULTIMATE.start_main_~var2~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var4~0#1|) (<= |ULTIMATE.start_main_~var0~0#1| 2147483647) (<= |ULTIMATE.start_main_~var6~0#1| 4) (<= |ULTIMATE.start_main_~var1~0#1| (+ 4 |ULTIMATE.start_main_~var0~0#1|)) (<= |ULTIMATE.start_main_~var3~0#1| 4) (<= 0 |ULTIMATE.start_main_~var0~0#1|)) [2023-11-23 21:42:32,728 INFO L895 garLoopResultBuilder]: At program point L37(line 37) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~var1~0#1|) (<= |ULTIMATE.start_main_~var1~0#1| 2147483647) (<= |ULTIMATE.start_main_~var2~0#1| 2147483647) (<= |ULTIMATE.start_main_~var0~0#1| 2147483647) (<= |ULTIMATE.start_main_~var1~0#1| (+ 4 |ULTIMATE.start_main_~var0~0#1|)) (<= 0 |ULTIMATE.start_main_~var0~0#1|)) [2023-11-23 21:42:32,733 INFO L895 garLoopResultBuilder]: At program point L37-1(line 37) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~var1~0#1|) (<= 0 |ULTIMATE.start_main_~var2~0#1|) (<= |ULTIMATE.start_main_~var1~0#1| 2147483647) (<= |ULTIMATE.start_main_~var2~0#1| 2147483647) (<= |ULTIMATE.start_main_~var0~0#1| 2147483647) (<= |ULTIMATE.start_main_~var1~0#1| (+ 4 |ULTIMATE.start_main_~var0~0#1|)) (<= 0 |ULTIMATE.start_main_~var0~0#1|)) [2023-11-23 21:42:32,734 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 81) no Hoare annotation was computed. [2023-11-23 21:42:32,734 INFO L899 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2023-11-23 21:42:32,734 INFO L895 garLoopResultBuilder]: At program point L29(line 29) the Hoare annotation is: (<= |ULTIMATE.start_main_~var0~0#1| 2147483647) [2023-11-23 21:42:32,734 INFO L895 garLoopResultBuilder]: At program point L29-1(line 29) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~var0~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var0~0#1|)) [2023-11-23 21:42:32,734 INFO L899 garLoopResultBuilder]: For program point L87(line 87) no Hoare annotation was computed. [2023-11-23 21:42:32,734 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2023-11-23 21:42:32,735 INFO L899 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2023-11-23 21:42:32,735 INFO L899 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2023-11-23 21:42:32,735 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 87) no Hoare annotation was computed. [2023-11-23 21:42:32,735 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-23 21:42:32,735 INFO L895 garLoopResultBuilder]: At program point L71(line 71) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~var4~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var1~0#1|) (<= 0 |ULTIMATE.start_main_~var2~0#1|) (<= |ULTIMATE.start_main_~var1~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var3~0#1|) (<= |ULTIMATE.start_main_~var2~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var4~0#1|) (<= |ULTIMATE.start_main_~var0~0#1| 2147483647) (<= |ULTIMATE.start_main_~var6~0#1| 4) (<= |ULTIMATE.start_main_~var1~0#1| (+ 4 |ULTIMATE.start_main_~var0~0#1|)) (<= |ULTIMATE.start_main_~var3~0#1| 4) (<= 0 |ULTIMATE.start_main_~var0~0#1|)) [2023-11-23 21:42:32,739 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2023-11-23 21:42:32,739 INFO L899 garLoopResultBuilder]: For program point L30(line 30) no Hoare annotation was computed. [2023-11-23 21:42:32,739 INFO L899 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2023-11-23 21:42:32,739 INFO L899 garLoopResultBuilder]: For program point L88-2(line 88) no Hoare annotation was computed. [2023-11-23 21:42:32,740 INFO L899 garLoopResultBuilder]: For program point L88-3(line 88) no Hoare annotation was computed. [2023-11-23 21:42:32,740 INFO L899 garLoopResultBuilder]: For program point L88-4(line 88) no Hoare annotation was computed. [2023-11-23 21:42:32,740 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 88) no Hoare annotation was computed. [2023-11-23 21:42:32,740 INFO L895 garLoopResultBuilder]: At program point L72(line 72) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~var4~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var1~0#1|) (<= 0 |ULTIMATE.start_main_~var2~0#1|) (<= |ULTIMATE.start_main_~var1~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var3~0#1|) (<= |ULTIMATE.start_main_~var2~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var4~0#1|) (<= |ULTIMATE.start_main_~var0~0#1| 2147483647) (<= |ULTIMATE.start_main_~var6~0#1| 4) (<= |ULTIMATE.start_main_~var1~0#1| (+ 4 |ULTIMATE.start_main_~var0~0#1|)) (<= |ULTIMATE.start_main_~var3~0#1| 4) (<= 0 |ULTIMATE.start_main_~var0~0#1|)) [2023-11-23 21:42:32,740 INFO L895 garLoopResultBuilder]: At program point L64(line 64) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~var4~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var1~0#1|) (<= 0 |ULTIMATE.start_main_~var2~0#1|) (<= |ULTIMATE.start_main_~var1~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var3~0#1|) (<= |ULTIMATE.start_main_~var2~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var4~0#1|) (<= |ULTIMATE.start_main_~var0~0#1| 2147483647) (<= |ULTIMATE.start_main_~var6~0#1| 4) (<= |ULTIMATE.start_main_~var1~0#1| (+ 4 |ULTIMATE.start_main_~var0~0#1|)) (<= |ULTIMATE.start_main_~var3~0#1| 4) (<= 0 |ULTIMATE.start_main_~var0~0#1|)) [2023-11-23 21:42:32,742 INFO L895 garLoopResultBuilder]: At program point L64-1(line 64) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~var4~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var1~0#1|) (<= 0 |ULTIMATE.start_main_~var2~0#1|) (<= |ULTIMATE.start_main_~var1~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var3~0#1|) (<= |ULTIMATE.start_main_~var2~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var4~0#1|) (<= |ULTIMATE.start_main_~var0~0#1| 2147483647) (<= |ULTIMATE.start_main_~var6~0#1| 4) (<= |ULTIMATE.start_main_~var1~0#1| (+ 4 |ULTIMATE.start_main_~var0~0#1|)) (<= |ULTIMATE.start_main_~var3~0#1| 4) (<= 0 |ULTIMATE.start_main_~var0~0#1|)) [2023-11-23 21:42:32,742 INFO L895 garLoopResultBuilder]: At program point L89(line 89) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~var4~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var1~0#1|) (<= 0 |ULTIMATE.start_main_~var2~0#1|) (<= |ULTIMATE.start_main_~var1~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var3~0#1|) (<= |ULTIMATE.start_main_~var2~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var4~0#1|) (<= |ULTIMATE.start_main_~var0~0#1| 2147483647) (<= |ULTIMATE.start_main_~var6~0#1| 4) (<= |ULTIMATE.start_main_~var1~0#1| (+ 4 |ULTIMATE.start_main_~var0~0#1|)) (<= |ULTIMATE.start_main_~var3~0#1| 4) (<= 0 |ULTIMATE.start_main_~var0~0#1|)) [2023-11-23 21:42:32,743 INFO L899 garLoopResultBuilder]: For program point L89-1(line 89) no Hoare annotation was computed. [2023-11-23 21:42:32,743 INFO L899 garLoopResultBuilder]: For program point L81(line 81) no Hoare annotation was computed. [2023-11-23 21:42:32,744 INFO L899 garLoopResultBuilder]: For program point L81-1(line 81) no Hoare annotation was computed. [2023-11-23 21:42:32,744 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 88) no Hoare annotation was computed. [2023-11-23 21:42:32,745 INFO L895 garLoopResultBuilder]: At program point L73(line 73) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~var4~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var1~0#1|) (<= 0 |ULTIMATE.start_main_~var2~0#1|) (<= |ULTIMATE.start_main_~var1~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var3~0#1|) (<= |ULTIMATE.start_main_~var2~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var4~0#1|) (<= |ULTIMATE.start_main_~var0~0#1| 2147483647) (<= |ULTIMATE.start_main_~var6~0#1| 4) (<= |ULTIMATE.start_main_~var1~0#1| (+ 4 |ULTIMATE.start_main_~var0~0#1|)) (<= |ULTIMATE.start_main_~var3~0#1| 4) (<= 0 |ULTIMATE.start_main_~var0~0#1|)) [2023-11-23 21:42:32,745 INFO L895 garLoopResultBuilder]: At program point L65(line 65) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~var4~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var1~0#1|) (<= 0 |ULTIMATE.start_main_~var2~0#1|) (<= |ULTIMATE.start_main_~var1~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var3~0#1|) (<= |ULTIMATE.start_main_~var2~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var4~0#1|) (<= |ULTIMATE.start_main_~var0~0#1| 2147483647) (<= |ULTIMATE.start_main_~var6~0#1| 4) (<= |ULTIMATE.start_main_~var1~0#1| (+ 4 |ULTIMATE.start_main_~var0~0#1|)) (<= |ULTIMATE.start_main_~var3~0#1| 4) (<= 0 |ULTIMATE.start_main_~var0~0#1|)) [2023-11-23 21:42:32,746 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 84) no Hoare annotation was computed. [2023-11-23 21:42:32,746 INFO L899 garLoopResultBuilder]: For program point L90(line 90) no Hoare annotation was computed. [2023-11-23 21:42:32,747 INFO L895 garLoopResultBuilder]: At program point L57(line 57) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~var4~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var1~0#1|) (<= 0 |ULTIMATE.start_main_~var2~0#1|) (<= |ULTIMATE.start_main_~var1~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var3~0#1|) (<= |ULTIMATE.start_main_~var2~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var4~0#1|) (<= |ULTIMATE.start_main_~var0~0#1| 2147483647) (<= |ULTIMATE.start_main_~var6~0#1| 4) (<= |ULTIMATE.start_main_~var1~0#1| (+ 4 |ULTIMATE.start_main_~var0~0#1|)) (<= |ULTIMATE.start_main_~var3~0#1| 4) (<= 0 |ULTIMATE.start_main_~var0~0#1|)) [2023-11-23 21:42:32,747 INFO L895 garLoopResultBuilder]: At program point L57-1(line 57) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~var4~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var1~0#1|) (<= 0 |ULTIMATE.start_main_~var2~0#1|) (<= |ULTIMATE.start_main_~var1~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var3~0#1|) (<= |ULTIMATE.start_main_~var2~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var4~0#1|) (<= |ULTIMATE.start_main_~var0~0#1| 2147483647) (<= |ULTIMATE.start_main_~var6~0#1| 4) (<= |ULTIMATE.start_main_~var1~0#1| (+ 4 |ULTIMATE.start_main_~var0~0#1|)) (<= |ULTIMATE.start_main_~var3~0#1| 4) (<= 0 |ULTIMATE.start_main_~var0~0#1|)) [2023-11-23 21:42:32,747 INFO L899 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2023-11-23 21:42:32,747 INFO L895 garLoopResultBuilder]: At program point L49(line 49) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~var4~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var1~0#1|) (<= 0 |ULTIMATE.start_main_~var2~0#1|) (<= |ULTIMATE.start_main_~var1~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var3~0#1|) (<= |ULTIMATE.start_main_~var2~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var4~0#1|) (<= |ULTIMATE.start_main_~var0~0#1| 2147483647) (<= |ULTIMATE.start_main_~var1~0#1| (+ 4 |ULTIMATE.start_main_~var0~0#1|)) (<= |ULTIMATE.start_main_~var3~0#1| 4) (<= 0 |ULTIMATE.start_main_~var0~0#1|)) [2023-11-23 21:42:32,747 INFO L895 garLoopResultBuilder]: At program point L49-1(line 49) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~var4~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var1~0#1|) (<= 0 |ULTIMATE.start_main_~var2~0#1|) (<= |ULTIMATE.start_main_~var1~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var3~0#1|) (<= |ULTIMATE.start_main_~var2~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var4~0#1|) (<= |ULTIMATE.start_main_~var0~0#1| 2147483647) (<= |ULTIMATE.start_main_~var1~0#1| (+ 4 |ULTIMATE.start_main_~var0~0#1|)) (<= |ULTIMATE.start_main_~var3~0#1| 4) (<= 0 |ULTIMATE.start_main_~var0~0#1|)) [2023-11-23 21:42:32,748 INFO L899 garLoopResultBuilder]: For program point L82-2(line 82) no Hoare annotation was computed. [2023-11-23 21:42:32,748 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 90) no Hoare annotation was computed. [2023-11-23 21:42:32,748 INFO L899 garLoopResultBuilder]: For program point L82-3(line 82) no Hoare annotation was computed. [2023-11-23 21:42:32,748 INFO L899 garLoopResultBuilder]: For program point L82-4(line 82) no Hoare annotation was computed. [2023-11-23 21:42:32,749 INFO L895 garLoopResultBuilder]: At program point L74(line 74) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~var4~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var1~0#1|) (<= 0 |ULTIMATE.start_main_~var2~0#1|) (<= |ULTIMATE.start_main_~var1~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var3~0#1|) (<= |ULTIMATE.start_main_~var2~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var4~0#1|) (<= |ULTIMATE.start_main_~var0~0#1| 2147483647) (<= |ULTIMATE.start_main_~var6~0#1| 4) (<= |ULTIMATE.start_main_~var1~0#1| (+ 4 |ULTIMATE.start_main_~var0~0#1|)) (<= |ULTIMATE.start_main_~var3~0#1| 4) (<= 0 |ULTIMATE.start_main_~var0~0#1|)) [2023-11-23 21:42:32,753 INFO L895 garLoopResultBuilder]: At program point L41(line 41) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~var1~0#1|) (<= 0 |ULTIMATE.start_main_~var2~0#1|) (<= |ULTIMATE.start_main_~var1~0#1| 2147483647) (<= |ULTIMATE.start_main_~var2~0#1| 2147483647) (<= |ULTIMATE.start_main_~var0~0#1| 2147483647) (<= |ULTIMATE.start_main_~var1~0#1| (+ 4 |ULTIMATE.start_main_~var0~0#1|)) (<= |ULTIMATE.start_main_~var3~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var0~0#1|)) [2023-11-23 21:42:32,754 INFO L895 garLoopResultBuilder]: At program point L41-1(line 41) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~var1~0#1|) (<= 0 |ULTIMATE.start_main_~var2~0#1|) (<= |ULTIMATE.start_main_~var1~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var3~0#1|) (<= |ULTIMATE.start_main_~var2~0#1| 2147483647) (<= |ULTIMATE.start_main_~var0~0#1| 2147483647) (<= |ULTIMATE.start_main_~var1~0#1| (+ 4 |ULTIMATE.start_main_~var0~0#1|)) (<= |ULTIMATE.start_main_~var3~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var0~0#1|)) [2023-11-23 21:42:32,754 INFO L895 garLoopResultBuilder]: At program point L66(line 66) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~var4~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var1~0#1|) (<= 0 |ULTIMATE.start_main_~var2~0#1|) (<= |ULTIMATE.start_main_~var1~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var3~0#1|) (<= |ULTIMATE.start_main_~var2~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var4~0#1|) (<= |ULTIMATE.start_main_~var0~0#1| 2147483647) (<= |ULTIMATE.start_main_~var6~0#1| 4) (<= |ULTIMATE.start_main_~var1~0#1| (+ 4 |ULTIMATE.start_main_~var0~0#1|)) (<= |ULTIMATE.start_main_~var3~0#1| 4) (<= 0 |ULTIMATE.start_main_~var0~0#1|)) [2023-11-23 21:42:32,754 INFO L895 garLoopResultBuilder]: At program point L33(line 33) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~var1~0#1| 2147483647) (<= |ULTIMATE.start_main_~var0~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var0~0#1|)) [2023-11-23 21:42:32,754 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-23 21:42:32,754 INFO L895 garLoopResultBuilder]: At program point L33-1(line 33) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~var1~0#1|) (<= |ULTIMATE.start_main_~var1~0#1| 2147483647) (<= |ULTIMATE.start_main_~var0~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var0~0#1|)) [2023-11-23 21:42:32,755 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 84) no Hoare annotation was computed. [2023-11-23 21:42:32,755 INFO L899 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2023-11-23 21:42:32,755 INFO L899 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2023-11-23 21:42:32,755 INFO L899 garLoopResultBuilder]: For program point L91-2(line 91) no Hoare annotation was computed. [2023-11-23 21:42:32,755 INFO L899 garLoopResultBuilder]: For program point L91-3(line 91) no Hoare annotation was computed. [2023-11-23 21:42:32,755 INFO L899 garLoopResultBuilder]: For program point L91-4(line 91) no Hoare annotation was computed. [2023-11-23 21:42:32,756 INFO L895 garLoopResultBuilder]: At program point L83(line 83) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~var4~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var1~0#1|) (<= 0 |ULTIMATE.start_main_~var2~0#1|) (<= |ULTIMATE.start_main_~var1~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var3~0#1|) (<= |ULTIMATE.start_main_~var2~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var4~0#1|) (<= |ULTIMATE.start_main_~var0~0#1| 2147483647) (<= |ULTIMATE.start_main_~var6~0#1| 4) (<= |ULTIMATE.start_main_~var1~0#1| (+ 4 |ULTIMATE.start_main_~var0~0#1|)) (<= |ULTIMATE.start_main_~var3~0#1| 4) (<= 0 |ULTIMATE.start_main_~var0~0#1|)) [2023-11-23 21:42:32,756 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2023-11-23 21:42:32,756 INFO L899 garLoopResultBuilder]: For program point L83-1(line 83) no Hoare annotation was computed. [2023-11-23 21:42:32,757 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 90) no Hoare annotation was computed. [2023-11-23 21:42:32,757 INFO L895 garLoopResultBuilder]: At program point L75(line 75) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~var4~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var1~0#1|) (<= 0 |ULTIMATE.start_main_~var2~0#1|) (<= |ULTIMATE.start_main_~var1~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var3~0#1|) (<= |ULTIMATE.start_main_~var2~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var4~0#1|) (<= |ULTIMATE.start_main_~var0~0#1| 2147483647) (<= |ULTIMATE.start_main_~var6~0#1| 4) (<= |ULTIMATE.start_main_~var1~0#1| (+ 4 |ULTIMATE.start_main_~var0~0#1|)) (<= |ULTIMATE.start_main_~var3~0#1| 4) (<= 0 |ULTIMATE.start_main_~var0~0#1|)) [2023-11-23 21:42:32,757 INFO L899 garLoopResultBuilder]: For program point L42(line 42) no Hoare annotation was computed. [2023-11-23 21:42:32,758 INFO L895 garLoopResultBuilder]: At program point L67(line 67) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~var4~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var1~0#1|) (<= 0 |ULTIMATE.start_main_~var2~0#1|) (<= |ULTIMATE.start_main_~var1~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var3~0#1|) (<= |ULTIMATE.start_main_~var2~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var4~0#1|) (<= |ULTIMATE.start_main_~var0~0#1| 2147483647) (<= |ULTIMATE.start_main_~var6~0#1| 4) (<= |ULTIMATE.start_main_~var1~0#1| (+ 4 |ULTIMATE.start_main_~var0~0#1|)) (<= |ULTIMATE.start_main_~var3~0#1| 4) (<= 0 |ULTIMATE.start_main_~var0~0#1|)) [2023-11-23 21:42:32,758 INFO L899 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2023-11-23 21:42:32,758 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 82) no Hoare annotation was computed. [2023-11-23 21:42:32,758 INFO L902 garLoopResultBuilder]: At program point L92(line 92) the Hoare annotation is: true [2023-11-23 21:42:32,759 INFO L899 garLoopResultBuilder]: For program point L92-1(line 92) no Hoare annotation was computed. [2023-11-23 21:42:32,759 INFO L899 garLoopResultBuilder]: For program point L84(line 84) no Hoare annotation was computed. [2023-11-23 21:42:32,759 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 91) no Hoare annotation was computed. [2023-11-23 21:42:32,760 INFO L895 garLoopResultBuilder]: At program point L76(line 76) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~var4~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var1~0#1|) (<= 0 |ULTIMATE.start_main_~var2~0#1|) (<= |ULTIMATE.start_main_~var1~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var3~0#1|) (<= |ULTIMATE.start_main_~var2~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var4~0#1|) (<= |ULTIMATE.start_main_~var0~0#1| 2147483647) (<= |ULTIMATE.start_main_~var6~0#1| 4) (<= |ULTIMATE.start_main_~var1~0#1| (+ 4 |ULTIMATE.start_main_~var0~0#1|)) (<= |ULTIMATE.start_main_~var3~0#1| 4) (<= 0 |ULTIMATE.start_main_~var0~0#1|)) [2023-11-23 21:42:32,762 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 85) no Hoare annotation was computed. [2023-11-23 21:42:32,762 INFO L895 garLoopResultBuilder]: At program point L68(line 68) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~var4~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var1~0#1|) (<= 0 |ULTIMATE.start_main_~var2~0#1|) (<= |ULTIMATE.start_main_~var1~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var3~0#1|) (<= |ULTIMATE.start_main_~var2~0#1| 2147483647) (<= 0 |ULTIMATE.start_main_~var4~0#1|) (<= |ULTIMATE.start_main_~var0~0#1| 2147483647) (<= |ULTIMATE.start_main_~var6~0#1| 4) (<= |ULTIMATE.start_main_~var1~0#1| (+ 4 |ULTIMATE.start_main_~var0~0#1|)) (<= |ULTIMATE.start_main_~var3~0#1| 4) (<= 0 |ULTIMATE.start_main_~var0~0#1|)) [2023-11-23 21:42:32,762 INFO L899 garLoopResultBuilder]: For program point assumeEXIT(lines 19 22) no Hoare annotation was computed. [2023-11-23 21:42:32,763 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 19 22) the Hoare annotation is: true [2023-11-23 21:42:32,763 INFO L899 garLoopResultBuilder]: For program point L20(lines 20 21) no Hoare annotation was computed. [2023-11-23 21:42:32,763 INFO L899 garLoopResultBuilder]: For program point L20-2(lines 19 22) no Hoare annotation was computed. [2023-11-23 21:42:32,766 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:42:32,770 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:42:32,781 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:42:32 BoogieIcfgContainer [2023-11-23 21:42:32,781 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:42:32,783 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:42:32,783 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:42:32,784 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:42:32,784 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:42:10" (3/4) ... [2023-11-23 21:42:32,786 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 21:42:32,790 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume [2023-11-23 21:42:32,800 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-11-23 21:42:32,801 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-23 21:42:32,802 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-23 21:42:32,802 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 21:42:32,916 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/witness.graphml [2023-11-23 21:42:32,916 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/witness.yml [2023-11-23 21:42:32,917 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:42:32,917 INFO L158 Benchmark]: Toolchain (without parser) took 23104.75ms. Allocated memory was 153.1MB in the beginning and 323.0MB in the end (delta: 169.9MB). Free memory was 117.6MB in the beginning and 273.6MB in the end (delta: -155.9MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2023-11-23 21:42:32,918 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 102.8MB. Free memory is still 54.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:42:32,918 INFO L158 Benchmark]: CACSL2BoogieTranslator took 265.21ms. Allocated memory is still 153.1MB. Free memory was 117.2MB in the beginning and 106.2MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 21:42:32,919 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.17ms. Allocated memory is still 153.1MB. Free memory was 106.2MB in the beginning and 104.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:42:32,919 INFO L158 Benchmark]: Boogie Preprocessor took 73.15ms. Allocated memory is still 153.1MB. Free memory was 104.2MB in the beginning and 102.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:42:32,919 INFO L158 Benchmark]: RCFGBuilder took 630.44ms. Allocated memory is still 153.1MB. Free memory was 102.5MB in the beginning and 85.8MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 21:42:32,920 INFO L158 Benchmark]: TraceAbstraction took 21944.62ms. Allocated memory was 153.1MB in the beginning and 323.0MB in the end (delta: 169.9MB). Free memory was 84.9MB in the beginning and 279.9MB in the end (delta: -194.9MB). Peak memory consumption was 154.0MB. Max. memory is 16.1GB. [2023-11-23 21:42:32,920 INFO L158 Benchmark]: Witness Printer took 133.50ms. Allocated memory is still 323.0MB. Free memory was 279.9MB in the beginning and 273.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 21:42:32,922 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 102.8MB. Free memory is still 54.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 265.21ms. Allocated memory is still 153.1MB. Free memory was 117.2MB in the beginning and 106.2MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.17ms. Allocated memory is still 153.1MB. Free memory was 106.2MB in the beginning and 104.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.15ms. Allocated memory is still 153.1MB. Free memory was 104.2MB in the beginning and 102.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 630.44ms. Allocated memory is still 153.1MB. Free memory was 102.5MB in the beginning and 85.8MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 21944.62ms. Allocated memory was 153.1MB in the beginning and 323.0MB in the end (delta: 169.9MB). Free memory was 84.9MB in the beginning and 279.9MB in the end (delta: -194.9MB). Peak memory consumption was 154.0MB. Max. memory is 16.1GB. * Witness Printer took 133.50ms. Allocated memory is still 323.0MB. Free memory was 279.9MB in the beginning and 273.6MB 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: 81]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 81]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 82]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 82]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 84]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 84]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 85]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 85]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 87]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 87]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 88]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 88]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 90]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 90]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 91]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 91]: 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, 16 error locations. Started 1 CEGAR loops. OverallTime: 21.8s, OverallIterations: 14, TraceHistogramMax: 37, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 4.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1051 SdHoareTripleChecker+Valid, 3.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1039 mSDsluCounter, 3543 SdHoareTripleChecker+Invalid, 2.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2447 mSDsCounter, 180 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3152 IncrementalHoareTripleChecker+Invalid, 3332 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 180 mSolverCounterUnsat, 1096 mSDtfsCounter, 3152 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5818 GetRequests, 5675 SyntacticMatches, 9 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=95occurred in iteration=0, InterpolantAutomatonStates: 93, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 14 MinimizatonAttempts, 13 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 39 LocationsWithAnnotation, 113 PreInvPairs, 150 NumberOfFragments, 1247 HoareAnnotationTreeSize, 113 FomulaSimplifications, 96 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 39 FomulaSimplificationsInter, 50 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 11.3s InterpolantComputationTime, 5099 NumberOfCodeBlocks, 5099 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 7427 ConstructedInterpolants, 0 QuantifiedInterpolants, 16387 SizeOfPredicates, 34 NumberOfNonLiveVariables, 4564 ConjunctsInSsa, 105 ConjunctsInUnsatCore, 38 InterpolantComputations, 2 PerfectInterpolantSequences, 88986/92760 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 16 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-23 21:42:32,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc8f779f-e92d-4836-b4a9-07485410c22c/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE