./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/list-ext-properties/test-0232_1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea0683a-2ebf-4037-89a0-339cfc74f80a/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea0683a-2ebf-4037-89a0-339cfc74f80a/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea0683a-2ebf-4037-89a0-339cfc74f80a/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea0683a-2ebf-4037-89a0-339cfc74f80a/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/list-ext-properties/test-0232_1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea0683a-2ebf-4037-89a0-339cfc74f80a/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea0683a-2ebf-4037-89a0-339cfc74f80a/bin/uautomizer-verify-qhAvR1uOyd --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 f7b1141c3157e34a4974729c197a93a4b99ad75fc020122df5d99d43bcc85e27 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:27:16,871 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:27:17,002 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea0683a-2ebf-4037-89a0-339cfc74f80a/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-13 15:27:17,010 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:27:17,011 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:27:17,061 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:27:17,062 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:27:17,062 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:27:17,063 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:27:17,064 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:27:17,064 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:27:17,064 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:27:17,065 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:27:17,065 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:27:17,065 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:27:17,066 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:27:17,067 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:27:17,068 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:27:17,068 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:27:17,068 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:27:17,068 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:27:17,068 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:27:17,068 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:27:17,068 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:27:17,069 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:27:17,069 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 15:27:17,069 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 15:27:17,069 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:27:17,069 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:27:17,069 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:27:17,070 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:27:17,070 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:27:17,070 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:27:17,070 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:27:17,070 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:27:17,070 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:27:17,071 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:27:17,071 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:27:17,071 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:27:17,071 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 15:27:17,072 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:27:17,072 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:27:17,072 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:27:17,072 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:27:17,073 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_0ea0683a-2ebf-4037-89a0-339cfc74f80a/bin/uautomizer-verify-qhAvR1uOyd 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 -> f7b1141c3157e34a4974729c197a93a4b99ad75fc020122df5d99d43bcc85e27 [2024-11-13 15:27:17,457 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:27:17,471 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:27:17,474 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:27:17,476 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:27:17,476 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:27:17,479 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea0683a-2ebf-4037-89a0-339cfc74f80a/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/list-ext-properties/test-0232_1-2.i Unable to find full path for "g++" [2024-11-13 15:27:19,559 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:27:20,041 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:27:20,045 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea0683a-2ebf-4037-89a0-339cfc74f80a/sv-benchmarks/c/list-ext-properties/test-0232_1-2.i [2024-11-13 15:27:20,059 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea0683a-2ebf-4037-89a0-339cfc74f80a/bin/uautomizer-verify-qhAvR1uOyd/data/9273fc086/511450851af64213a429f84e40e06752/FLAG91e09f967 [2024-11-13 15:27:20,076 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea0683a-2ebf-4037-89a0-339cfc74f80a/bin/uautomizer-verify-qhAvR1uOyd/data/9273fc086/511450851af64213a429f84e40e06752 [2024-11-13 15:27:20,078 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:27:20,080 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:27:20,081 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:27:20,082 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:27:20,088 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:27:20,089 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:27:20" (1/1) ... [2024-11-13 15:27:20,090 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69db611d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:20, skipping insertion in model container [2024-11-13 15:27:20,091 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:27:20" (1/1) ... [2024-11-13 15:27:20,129 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:27:20,590 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:27:20,604 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:27:20,688 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:27:20,726 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:27:20,727 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:20 WrapperNode [2024-11-13 15:27:20,728 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:27:20,729 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:27:20,729 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:27:20,729 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:27:20,737 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:20" (1/1) ... [2024-11-13 15:27:20,759 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:20" (1/1) ... [2024-11-13 15:27:20,790 INFO L138 Inliner]: procedures = 126, calls = 33, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 96 [2024-11-13 15:27:20,790 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:27:20,791 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:27:20,791 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:27:20,791 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:27:20,811 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:20" (1/1) ... [2024-11-13 15:27:20,811 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:20" (1/1) ... [2024-11-13 15:27:20,815 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:20" (1/1) ... [2024-11-13 15:27:20,833 INFO L175 MemorySlicer]: Split 20 memory accesses to 3 slices as follows [2, 8, 10]. 50 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 0, 1]. The 5 writes are split as follows [0, 2, 3]. [2024-11-13 15:27:20,833 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:20" (1/1) ... [2024-11-13 15:27:20,833 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:20" (1/1) ... [2024-11-13 15:27:20,841 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:20" (1/1) ... [2024-11-13 15:27:20,844 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:20" (1/1) ... [2024-11-13 15:27:20,846 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:20" (1/1) ... [2024-11-13 15:27:20,847 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:20" (1/1) ... [2024-11-13 15:27:20,850 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:27:20,851 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:27:20,851 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:27:20,851 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:27:20,852 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:20" (1/1) ... [2024-11-13 15:27:20,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:27:20,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea0683a-2ebf-4037-89a0-339cfc74f80a/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:27:20,886 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea0683a-2ebf-4037-89a0-339cfc74f80a/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:27:20,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea0683a-2ebf-4037-89a0-339cfc74f80a/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:27:20,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 15:27:20,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:27:20,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 15:27:20,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-13 15:27:20,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-13 15:27:20,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-13 15:27:20,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-13 15:27:20,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-13 15:27:20,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-13 15:27:20,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 15:27:20,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-13 15:27:20,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-13 15:27:20,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-13 15:27:20,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 15:27:20,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-13 15:27:20,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-13 15:27:20,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:27:20,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:27:21,080 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:27:21,082 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:27:21,289 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2024-11-13 15:27:21,289 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:27:21,305 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:27:21,306 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 15:27:21,306 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:27:21 BoogieIcfgContainer [2024-11-13 15:27:21,307 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:27:21,309 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:27:21,309 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:27:21,315 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:27:21,315 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:27:20" (1/3) ... [2024-11-13 15:27:21,317 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fea882c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:27:21, skipping insertion in model container [2024-11-13 15:27:21,317 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:27:20" (2/3) ... [2024-11-13 15:27:21,318 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fea882c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:27:21, skipping insertion in model container [2024-11-13 15:27:21,318 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:27:21" (3/3) ... [2024-11-13 15:27:21,319 INFO L112 eAbstractionObserver]: Analyzing ICFG test-0232_1-2.i [2024-11-13 15:27:21,342 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:27:21,344 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG test-0232_1-2.i that has 1 procedures, 29 locations, 1 initial locations, 2 loop locations, and 8 error locations. [2024-11-13 15:27:21,426 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:27:21,442 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@acd847, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:27:21,442 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-13 15:27:21,446 INFO L276 IsEmpty]: Start isEmpty. Operand has 29 states, 20 states have (on average 1.7) internal successors, (34), 28 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:27:21,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 15:27:21,451 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:27:21,452 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-13 15:27:21,453 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-13 15:27:21,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:27:21,458 INFO L85 PathProgramCache]: Analyzing trace with hash 925636, now seen corresponding path program 1 times [2024-11-13 15:27:21,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:27:21,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062663422] [2024-11-13 15:27:21,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:27:21,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:27:21,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:27:21,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:27:21,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:27:21,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062663422] [2024-11-13 15:27:21,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062663422] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:27:21,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:27:21,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:27:21,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334731312] [2024-11-13 15:27:21,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:27:21,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:27:21,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:27:21,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:27:21,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:27:21,771 INFO L87 Difference]: Start difference. First operand has 29 states, 20 states have (on average 1.7) internal successors, (34), 28 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:27:21,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:27:21,835 INFO L93 Difference]: Finished difference Result 43 states and 50 transitions. [2024-11-13 15:27:21,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:27:21,837 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-13 15:27:21,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:27:21,846 INFO L225 Difference]: With dead ends: 43 [2024-11-13 15:27:21,846 INFO L226 Difference]: Without dead ends: 24 [2024-11-13 15:27:21,849 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:27:21,853 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 29 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:27:21,854 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 49 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:27:21,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2024-11-13 15:27:21,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2024-11-13 15:27:21,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 17 states have (on average 1.588235294117647) internal successors, (27), 23 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:27:21,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2024-11-13 15:27:21,893 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 4 [2024-11-13 15:27:21,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:27:21,893 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 27 transitions. [2024-11-13 15:27:21,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:27:21,894 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2024-11-13 15:27:21,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 15:27:21,894 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:27:21,894 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-13 15:27:21,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 15:27:21,895 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-13 15:27:21,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:27:21,896 INFO L85 PathProgramCache]: Analyzing trace with hash 28694756, now seen corresponding path program 1 times [2024-11-13 15:27:21,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:27:21,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464089238] [2024-11-13 15:27:21,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:27:21,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:27:21,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:27:22,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:27:22,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:27:22,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464089238] [2024-11-13 15:27:22,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464089238] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:27:22,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:27:22,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:27:22,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954213749] [2024-11-13 15:27:22,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:27:22,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:27:22,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:27:22,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:27:22,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:27:22,007 INFO L87 Difference]: Start difference. First operand 24 states and 27 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:27:22,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:27:22,062 INFO L93 Difference]: Finished difference Result 28 states and 31 transitions. [2024-11-13 15:27:22,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:27:22,063 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-13 15:27:22,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:27:22,064 INFO L225 Difference]: With dead ends: 28 [2024-11-13 15:27:22,064 INFO L226 Difference]: Without dead ends: 27 [2024-11-13 15:27:22,064 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:27:22,065 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 2 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:27:22,066 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 67 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:27:22,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2024-11-13 15:27:22,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2024-11-13 15:27:22,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 20 states have (on average 1.5) internal successors, (30), 26 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:27:22,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2024-11-13 15:27:22,075 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 5 [2024-11-13 15:27:22,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:27:22,076 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2024-11-13 15:27:22,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:27:22,076 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2024-11-13 15:27:22,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 15:27:22,077 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:27:22,077 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:27:22,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 15:27:22,077 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-13 15:27:22,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:27:22,078 INFO L85 PathProgramCache]: Analyzing trace with hash 262867306, now seen corresponding path program 1 times [2024-11-13 15:27:22,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:27:22,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890707434] [2024-11-13 15:27:22,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:27:22,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:27:22,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:27:22,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:27:22,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:27:22,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890707434] [2024-11-13 15:27:22,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890707434] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:27:22,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:27:22,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:27:22,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543841618] [2024-11-13 15:27:22,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:27:22,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:27:22,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:27:22,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:27:22,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:27:22,696 INFO L87 Difference]: Start difference. First operand 27 states and 30 transitions. Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:27:22,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:27:22,825 INFO L93 Difference]: Finished difference Result 51 states and 58 transitions. [2024-11-13 15:27:22,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:27:22,827 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-13 15:27:22,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:27:22,828 INFO L225 Difference]: With dead ends: 51 [2024-11-13 15:27:22,829 INFO L226 Difference]: Without dead ends: 29 [2024-11-13 15:27:22,830 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:27:22,831 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 6 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:27:22,831 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 85 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:27:22,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2024-11-13 15:27:22,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 28. [2024-11-13 15:27:22,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 27 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:27:22,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 31 transitions. [2024-11-13 15:27:22,836 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 31 transitions. Word has length 9 [2024-11-13 15:27:22,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:27:22,836 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 31 transitions. [2024-11-13 15:27:22,837 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:27:22,837 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2024-11-13 15:27:22,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 15:27:22,837 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:27:22,837 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:27:22,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 15:27:22,837 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-13 15:27:22,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:27:22,838 INFO L85 PathProgramCache]: Analyzing trace with hash 262926888, now seen corresponding path program 1 times [2024-11-13 15:27:22,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:27:22,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137638171] [2024-11-13 15:27:22,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:27:22,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:27:22,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:27:22,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:27:22,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:27:22,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137638171] [2024-11-13 15:27:22,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137638171] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:27:22,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:27:22,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:27:22,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820234926] [2024-11-13 15:27:22,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:27:22,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:27:22,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:27:22,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:27:22,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:27:22,973 INFO L87 Difference]: Start difference. First operand 28 states and 31 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:27:23,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:27:23,032 INFO L93 Difference]: Finished difference Result 34 states and 37 transitions. [2024-11-13 15:27:23,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:27:23,033 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-13 15:27:23,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:27:23,033 INFO L225 Difference]: With dead ends: 34 [2024-11-13 15:27:23,034 INFO L226 Difference]: Without dead ends: 32 [2024-11-13 15:27:23,034 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:27:23,035 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 1 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:27:23,035 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 63 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:27:23,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2024-11-13 15:27:23,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2024-11-13 15:27:23,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 25 states have (on average 1.4) internal successors, (35), 31 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:27:23,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 35 transitions. [2024-11-13 15:27:23,044 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 35 transitions. Word has length 9 [2024-11-13 15:27:23,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:27:23,044 INFO L471 AbstractCegarLoop]: Abstraction has 32 states and 35 transitions. [2024-11-13 15:27:23,044 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:27:23,044 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2024-11-13 15:27:23,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 15:27:23,045 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:27:23,045 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:27:23,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 15:27:23,045 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-13 15:27:23,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:27:23,046 INFO L85 PathProgramCache]: Analyzing trace with hash -1766879219, now seen corresponding path program 1 times [2024-11-13 15:27:23,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:27:23,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961146690] [2024-11-13 15:27:23,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:27:23,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:27:23,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:27:23,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:27:23,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:27:23,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961146690] [2024-11-13 15:27:23,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961146690] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:27:23,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:27:23,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:27:23,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448853328] [2024-11-13 15:27:23,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:27:23,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:27:23,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:27:23,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:27:23,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:27:23,167 INFO L87 Difference]: Start difference. First operand 32 states and 35 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:27:23,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:27:23,180 INFO L93 Difference]: Finished difference Result 32 states and 35 transitions. [2024-11-13 15:27:23,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:27:23,181 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-11-13 15:27:23,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:27:23,182 INFO L225 Difference]: With dead ends: 32 [2024-11-13 15:27:23,182 INFO L226 Difference]: Without dead ends: 31 [2024-11-13 15:27:23,182 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:27:23,183 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 1 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:27:23,184 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 44 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:27:23,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2024-11-13 15:27:23,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2024-11-13 15:27:23,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 25 states have (on average 1.36) internal successors, (34), 30 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:27:23,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 34 transitions. [2024-11-13 15:27:23,189 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 34 transitions. Word has length 13 [2024-11-13 15:27:23,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:27:23,189 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 34 transitions. [2024-11-13 15:27:23,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:27:23,190 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2024-11-13 15:27:23,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 15:27:23,190 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:27:23,190 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:27:23,191 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 15:27:23,191 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-13 15:27:23,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:27:23,192 INFO L85 PathProgramCache]: Analyzing trace with hash 1061319127, now seen corresponding path program 1 times [2024-11-13 15:27:23,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:27:23,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962677937] [2024-11-13 15:27:23,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:27:23,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:27:23,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:27:23,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:27:23,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:27:23,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962677937] [2024-11-13 15:27:23,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962677937] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:27:23,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:27:23,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:27:23,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323569892] [2024-11-13 15:27:23,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:27:23,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:27:23,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:27:23,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:27:23,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:27:23,383 INFO L87 Difference]: Start difference. First operand 31 states and 34 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:27:23,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:27:23,478 INFO L93 Difference]: Finished difference Result 44 states and 50 transitions. [2024-11-13 15:27:23,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:27:23,478 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-11-13 15:27:23,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:27:23,479 INFO L225 Difference]: With dead ends: 44 [2024-11-13 15:27:23,479 INFO L226 Difference]: Without dead ends: 43 [2024-11-13 15:27:23,480 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:27:23,481 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 9 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:27:23,481 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 74 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:27:23,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-11-13 15:27:23,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 35. [2024-11-13 15:27:23,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 29 states have (on average 1.3793103448275863) internal successors, (40), 34 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:27:23,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 40 transitions. [2024-11-13 15:27:23,486 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 40 transitions. Word has length 14 [2024-11-13 15:27:23,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:27:23,486 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 40 transitions. [2024-11-13 15:27:23,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:27:23,487 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 40 transitions. [2024-11-13 15:27:23,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 15:27:23,487 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:27:23,487 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:27:23,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 15:27:23,487 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-13 15:27:23,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:27:23,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1061325277, now seen corresponding path program 1 times [2024-11-13 15:27:23,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:27:23,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818072945] [2024-11-13 15:27:23,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:27:23,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:27:23,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:27:23,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:27:23,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:27:23,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818072945] [2024-11-13 15:27:23,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818072945] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:27:23,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:27:23,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:27:23,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549536446] [2024-11-13 15:27:23,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:27:23,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:27:23,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:27:23,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:27:23,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:27:23,591 INFO L87 Difference]: Start difference. First operand 35 states and 40 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:27:23,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:27:23,646 INFO L93 Difference]: Finished difference Result 47 states and 53 transitions. [2024-11-13 15:27:23,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:27:23,647 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-11-13 15:27:23,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:27:23,649 INFO L225 Difference]: With dead ends: 47 [2024-11-13 15:27:23,649 INFO L226 Difference]: Without dead ends: 42 [2024-11-13 15:27:23,650 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:27:23,651 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 8 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:27:23,653 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 85 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:27:23,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2024-11-13 15:27:23,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 35. [2024-11-13 15:27:23,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 34 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:27:23,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 39 transitions. [2024-11-13 15:27:23,663 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 39 transitions. Word has length 14 [2024-11-13 15:27:23,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:27:23,664 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 39 transitions. [2024-11-13 15:27:23,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:27:23,664 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2024-11-13 15:27:23,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 15:27:23,665 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:27:23,665 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:27:23,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 15:27:23,666 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-13 15:27:23,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:27:23,666 INFO L85 PathProgramCache]: Analyzing trace with hash 1061350905, now seen corresponding path program 1 times [2024-11-13 15:27:23,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:27:23,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536791709] [2024-11-13 15:27:23,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:27:23,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:27:23,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:27:23,758 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:27:23,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:27:23,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536791709] [2024-11-13 15:27:23,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536791709] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:27:23,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:27:23,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:27:23,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572606792] [2024-11-13 15:27:23,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:27:23,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:27:23,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:27:23,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:27:23,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:27:23,760 INFO L87 Difference]: Start difference. First operand 35 states and 39 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:27:23,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:27:23,796 INFO L93 Difference]: Finished difference Result 35 states and 39 transitions. [2024-11-13 15:27:23,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:27:23,797 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-11-13 15:27:23,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:27:23,797 INFO L225 Difference]: With dead ends: 35 [2024-11-13 15:27:23,797 INFO L226 Difference]: Without dead ends: 34 [2024-11-13 15:27:23,798 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:27:23,798 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 3 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:27:23,799 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 61 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:27:23,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-11-13 15:27:23,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2024-11-13 15:27:23,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 33 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:27:23,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 38 transitions. [2024-11-13 15:27:23,804 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 38 transitions. Word has length 14 [2024-11-13 15:27:23,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:27:23,804 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 38 transitions. [2024-11-13 15:27:23,804 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:27:23,805 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2024-11-13 15:27:23,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 15:27:23,805 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:27:23,805 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:27:23,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 15:27:23,806 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-13 15:27:23,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:27:23,806 INFO L85 PathProgramCache]: Analyzing trace with hash 2020434393, now seen corresponding path program 1 times [2024-11-13 15:27:23,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:27:23,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579297642] [2024-11-13 15:27:23,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:27:23,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:27:23,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:27:23,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:27:23,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:27:23,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579297642] [2024-11-13 15:27:23,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579297642] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:27:23,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:27:23,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:27:23,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569842469] [2024-11-13 15:27:23,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:27:23,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:27:23,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:27:23,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:27:23,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:27:23,902 INFO L87 Difference]: Start difference. First operand 34 states and 38 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:27:23,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:27:23,921 INFO L93 Difference]: Finished difference Result 34 states and 38 transitions. [2024-11-13 15:27:23,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:27:23,922 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-11-13 15:27:23,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:27:23,923 INFO L225 Difference]: With dead ends: 34 [2024-11-13 15:27:23,923 INFO L226 Difference]: Without dead ends: 33 [2024-11-13 15:27:23,923 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:27:23,924 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 1 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:27:23,924 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 40 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:27:23,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2024-11-13 15:27:23,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2024-11-13 15:27:23,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 29 states have (on average 1.2758620689655173) internal successors, (37), 32 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:27:23,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 37 transitions. [2024-11-13 15:27:23,929 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 37 transitions. Word has length 16 [2024-11-13 15:27:23,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:27:23,929 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 37 transitions. [2024-11-13 15:27:23,929 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:27:23,929 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2024-11-13 15:27:23,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 15:27:23,930 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:27:23,930 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:27:23,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 15:27:23,930 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-13 15:27:23,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:27:23,931 INFO L85 PathProgramCache]: Analyzing trace with hash -1791043175, now seen corresponding path program 1 times [2024-11-13 15:27:23,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:27:23,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727780186] [2024-11-13 15:27:23,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:27:23,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:27:23,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:27:24,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:27:24,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:27:24,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727780186] [2024-11-13 15:27:24,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727780186] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:27:24,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:27:24,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 15:27:24,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584267607] [2024-11-13 15:27:24,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:27:24,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 15:27:24,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:27:24,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 15:27:24,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:27:24,123 INFO L87 Difference]: Start difference. First operand 33 states and 37 transitions. Second operand has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:27:24,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:27:24,207 INFO L93 Difference]: Finished difference Result 44 states and 49 transitions. [2024-11-13 15:27:24,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 15:27:24,208 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2024-11-13 15:27:24,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:27:24,208 INFO L225 Difference]: With dead ends: 44 [2024-11-13 15:27:24,208 INFO L226 Difference]: Without dead ends: 36 [2024-11-13 15:27:24,209 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:27:24,209 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 7 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:27:24,210 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 85 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:27:24,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-11-13 15:27:24,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 30. [2024-11-13 15:27:24,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 29 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:27:24,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 32 transitions. [2024-11-13 15:27:24,215 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 32 transitions. Word has length 17 [2024-11-13 15:27:24,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:27:24,215 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 32 transitions. [2024-11-13 15:27:24,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:27:24,215 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2024-11-13 15:27:24,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 15:27:24,216 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:27:24,216 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:27:24,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 15:27:24,216 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-13 15:27:24,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:27:24,217 INFO L85 PathProgramCache]: Analyzing trace with hash -405959681, now seen corresponding path program 1 times [2024-11-13 15:27:24,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:27:24,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5601233] [2024-11-13 15:27:24,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:27:24,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:27:24,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:27:24,346 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:27:24,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:27:24,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5601233] [2024-11-13 15:27:24,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5601233] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:27:24,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1496963724] [2024-11-13 15:27:24,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:27:24,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:27:24,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea0683a-2ebf-4037-89a0-339cfc74f80a/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:27:24,349 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea0683a-2ebf-4037-89a0-339cfc74f80a/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:27:24,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea0683a-2ebf-4037-89a0-339cfc74f80a/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 15:27:24,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:27:24,520 INFO L255 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 15:27:24,524 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:27:24,621 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:27:24,622 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:27:24,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1496963724] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:27:24,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:27:24,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-13 15:27:24,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628017163] [2024-11-13 15:27:24,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:27:24,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:27:24,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:27:24,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:27:24,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:27:24,623 INFO L87 Difference]: Start difference. First operand 30 states and 32 transitions. Second operand has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:27:24,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:27:24,678 INFO L93 Difference]: Finished difference Result 30 states and 32 transitions. [2024-11-13 15:27:24,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:27:24,678 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2024-11-13 15:27:24,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:27:24,679 INFO L225 Difference]: With dead ends: 30 [2024-11-13 15:27:24,679 INFO L226 Difference]: Without dead ends: 29 [2024-11-13 15:27:24,679 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:27:24,680 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 3 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:27:24,680 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 79 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:27:24,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2024-11-13 15:27:24,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2024-11-13 15:27:24,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 28 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:27:24,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions. [2024-11-13 15:27:24,687 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 31 transitions. Word has length 18 [2024-11-13 15:27:24,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:27:24,687 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 31 transitions. [2024-11-13 15:27:24,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:27:24,691 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2024-11-13 15:27:24,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 15:27:24,692 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:27:24,692 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:27:24,713 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea0683a-2ebf-4037-89a0-339cfc74f80a/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 15:27:24,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea0683a-2ebf-4037-89a0-339cfc74f80a/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-13 15:27:24,893 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-13 15:27:24,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:27:24,893 INFO L85 PathProgramCache]: Analyzing trace with hash 300151830, now seen corresponding path program 1 times [2024-11-13 15:27:24,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:27:24,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708917430] [2024-11-13 15:27:24,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:27:24,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:27:24,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:27:25,023 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:27:25,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:27:25,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708917430] [2024-11-13 15:27:25,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708917430] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:27:25,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [238078098] [2024-11-13 15:27:25,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:27:25,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:27:25,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea0683a-2ebf-4037-89a0-339cfc74f80a/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:27:25,025 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea0683a-2ebf-4037-89a0-339cfc74f80a/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:27:25,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea0683a-2ebf-4037-89a0-339cfc74f80a/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 15:27:25,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:27:25,207 INFO L255 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 15:27:25,209 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:27:25,287 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:27:25,287 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:27:25,397 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:27:25,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [238078098] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:27:25,397 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:27:25,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-13 15:27:25,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888563398] [2024-11-13 15:27:25,398 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:27:25,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 15:27:25,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:27:25,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 15:27:25,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-13 15:27:25,400 INFO L87 Difference]: Start difference. First operand 29 states and 31 transitions. Second operand has 12 states, 11 states have (on average 4.181818181818182) internal successors, (46), 12 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:27:25,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:27:25,466 INFO L93 Difference]: Finished difference Result 58 states and 67 transitions. [2024-11-13 15:27:25,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 15:27:25,467 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.181818181818182) internal successors, (46), 12 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2024-11-13 15:27:25,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:27:25,467 INFO L225 Difference]: With dead ends: 58 [2024-11-13 15:27:25,467 INFO L226 Difference]: Without dead ends: 57 [2024-11-13 15:27:25,468 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-13 15:27:25,468 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 6 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:27:25,469 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 90 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:27:25,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-11-13 15:27:25,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 55. [2024-11-13 15:27:25,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 52 states have (on average 1.1923076923076923) internal successors, (62), 54 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:27:25,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 62 transitions. [2024-11-13 15:27:25,475 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 62 transitions. Word has length 19 [2024-11-13 15:27:25,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:27:25,475 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 62 transitions. [2024-11-13 15:27:25,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.181818181818182) internal successors, (46), 12 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:27:25,476 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 62 transitions. [2024-11-13 15:27:25,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 15:27:25,476 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:27:25,476 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:27:25,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea0683a-2ebf-4037-89a0-339cfc74f80a/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-13 15:27:25,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea0683a-2ebf-4037-89a0-339cfc74f80a/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-13 15:27:25,681 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-13 15:27:25,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:27:25,681 INFO L85 PathProgramCache]: Analyzing trace with hash -669358496, now seen corresponding path program 1 times [2024-11-13 15:27:25,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:27:25,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760956359] [2024-11-13 15:27:25,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:27:25,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:27:25,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:27:25,885 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:27:25,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:27:25,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760956359] [2024-11-13 15:27:25,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760956359] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:27:25,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [622855841] [2024-11-13 15:27:25,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:27:25,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:27:25,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea0683a-2ebf-4037-89a0-339cfc74f80a/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:27:25,889 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea0683a-2ebf-4037-89a0-339cfc74f80a/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:27:25,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea0683a-2ebf-4037-89a0-339cfc74f80a/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 15:27:26,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:27:26,090 INFO L255 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 15:27:26,092 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:27:26,186 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:27:26,186 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:27:26,339 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:27:26,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [622855841] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:27:26,341 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:27:26,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2024-11-13 15:27:26,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815776109] [2024-11-13 15:27:26,344 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:27:26,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-13 15:27:26,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:27:26,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-13 15:27:26,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2024-11-13 15:27:26,346 INFO L87 Difference]: Start difference. First operand 55 states and 62 transitions. Second operand has 16 states, 15 states have (on average 3.6) internal successors, (54), 16 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:27:26,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:27:26,457 INFO L93 Difference]: Finished difference Result 59 states and 67 transitions. [2024-11-13 15:27:26,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 15:27:26,458 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 3.6) internal successors, (54), 16 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2024-11-13 15:27:26,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:27:26,459 INFO L225 Difference]: With dead ends: 59 [2024-11-13 15:27:26,459 INFO L226 Difference]: Without dead ends: 58 [2024-11-13 15:27:26,459 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2024-11-13 15:27:26,460 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 10 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:27:26,461 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 95 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:27:26,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-11-13 15:27:26,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 54. [2024-11-13 15:27:26,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 52 states have (on average 1.1730769230769231) internal successors, (61), 53 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:27:26,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 61 transitions. [2024-11-13 15:27:26,467 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 61 transitions. Word has length 23 [2024-11-13 15:27:26,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:27:26,468 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 61 transitions. [2024-11-13 15:27:26,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 3.6) internal successors, (54), 16 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:27:26,468 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 61 transitions. [2024-11-13 15:27:26,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 15:27:26,469 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:27:26,469 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:27:26,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea0683a-2ebf-4037-89a0-339cfc74f80a/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-13 15:27:26,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea0683a-2ebf-4037-89a0-339cfc74f80a/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:27:26,670 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-13 15:27:26,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:27:26,671 INFO L85 PathProgramCache]: Analyzing trace with hash 674278512, now seen corresponding path program 1 times [2024-11-13 15:27:26,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:27:26,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141619044] [2024-11-13 15:27:26,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:27:26,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:27:26,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:27:26,975 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:27:26,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:27:26,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141619044] [2024-11-13 15:27:26,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141619044] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:27:26,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2138823351] [2024-11-13 15:27:26,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:27:26,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:27:26,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea0683a-2ebf-4037-89a0-339cfc74f80a/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:27:26,979 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea0683a-2ebf-4037-89a0-339cfc74f80a/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:27:26,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea0683a-2ebf-4037-89a0-339cfc74f80a/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 15:27:27,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:27:27,177 INFO L255 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 15:27:27,179 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:27:27,270 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:27:27,271 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:27:27,461 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:27:27,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2138823351] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:27:27,462 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:27:27,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 17 [2024-11-13 15:27:27,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457808481] [2024-11-13 15:27:27,462 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:27:27,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-13 15:27:27,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:27:27,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-13 15:27:27,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=240, Unknown=0, NotChecked=0, Total=306 [2024-11-13 15:27:27,464 INFO L87 Difference]: Start difference. First operand 54 states and 61 transitions. Second operand has 18 states, 17 states have (on average 3.5294117647058822) internal successors, (60), 18 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:27:27,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:27:27,599 INFO L93 Difference]: Finished difference Result 64 states and 73 transitions. [2024-11-13 15:27:27,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 15:27:27,599 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.5294117647058822) internal successors, (60), 18 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2024-11-13 15:27:27,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:27:27,600 INFO L225 Difference]: With dead ends: 64 [2024-11-13 15:27:27,600 INFO L226 Difference]: Without dead ends: 47 [2024-11-13 15:27:27,601 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=240, Unknown=0, NotChecked=0, Total=306 [2024-11-13 15:27:27,602 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 14 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:27:27,602 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 91 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:27:27,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-11-13 15:27:27,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2024-11-13 15:27:27,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.108695652173913) internal successors, (51), 46 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:27:27,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 51 transitions. [2024-11-13 15:27:27,607 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 51 transitions. Word has length 26 [2024-11-13 15:27:27,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:27:27,607 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 51 transitions. [2024-11-13 15:27:27,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.5294117647058822) internal successors, (60), 18 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:27:27,608 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2024-11-13 15:27:27,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 15:27:27,609 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:27:27,609 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1] [2024-11-13 15:27:27,633 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea0683a-2ebf-4037-89a0-339cfc74f80a/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-13 15:27:27,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea0683a-2ebf-4037-89a0-339cfc74f80a/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-13 15:27:27,814 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-13 15:27:27,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:27:27,814 INFO L85 PathProgramCache]: Analyzing trace with hash 2051030861, now seen corresponding path program 2 times [2024-11-13 15:27:27,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:27:27,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548545643] [2024-11-13 15:27:27,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:27:27,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:27:27,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:27:28,240 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:27:28,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:27:28,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548545643] [2024-11-13 15:27:28,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548545643] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:27:28,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1717114149] [2024-11-13 15:27:28,241 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 15:27:28,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:27:28,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea0683a-2ebf-4037-89a0-339cfc74f80a/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:27:28,243 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea0683a-2ebf-4037-89a0-339cfc74f80a/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:27:28,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea0683a-2ebf-4037-89a0-339cfc74f80a/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 15:27:28,567 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 15:27:28,568 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 15:27:28,571 INFO L255 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 15:27:28,574 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:27:28,701 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:27:28,701 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:27:29,030 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:27:29,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1717114149] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:27:29,030 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:27:29,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 23 [2024-11-13 15:27:29,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885032074] [2024-11-13 15:27:29,031 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:27:29,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-13 15:27:29,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:27:29,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-13 15:27:29,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2024-11-13 15:27:29,033 INFO L87 Difference]: Start difference. First operand 47 states and 51 transitions. Second operand has 24 states, 23 states have (on average 4.3478260869565215) internal successors, (100), 24 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:27:29,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:27:29,127 INFO L93 Difference]: Finished difference Result 102 states and 117 transitions. [2024-11-13 15:27:29,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-13 15:27:29,128 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 4.3478260869565215) internal successors, (100), 24 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2024-11-13 15:27:29,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:27:29,129 INFO L225 Difference]: With dead ends: 102 [2024-11-13 15:27:29,129 INFO L226 Difference]: Without dead ends: 101 [2024-11-13 15:27:29,130 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2024-11-13 15:27:29,130 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 17 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:27:29,131 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 107 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:27:29,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-11-13 15:27:29,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2024-11-13 15:27:29,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 100 states have (on average 1.11) internal successors, (111), 100 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:27:29,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 111 transitions. [2024-11-13 15:27:29,143 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 111 transitions. Word has length 46 [2024-11-13 15:27:29,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:27:29,143 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 111 transitions. [2024-11-13 15:27:29,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 4.3478260869565215) internal successors, (100), 24 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:27:29,143 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 111 transitions. [2024-11-13 15:27:29,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-13 15:27:29,146 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:27:29,146 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 10, 10, 10, 1, 1, 1, 1] [2024-11-13 15:27:29,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea0683a-2ebf-4037-89a0-339cfc74f80a/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-13 15:27:29,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea0683a-2ebf-4037-89a0-339cfc74f80a/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-13 15:27:29,351 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-13 15:27:29,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:27:29,351 INFO L85 PathProgramCache]: Analyzing trace with hash 1407845805, now seen corresponding path program 3 times [2024-11-13 15:27:29,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:27:29,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602740713] [2024-11-13 15:27:29,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:27:29,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:27:29,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:27:30,743 INFO L134 CoverageAnalysis]: Checked inductivity of 485 backedges. 0 proven. 485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:27:30,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:27:30,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602740713] [2024-11-13 15:27:30,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602740713] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:27:30,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1849632008] [2024-11-13 15:27:30,744 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-13 15:27:30,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:27:30,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea0683a-2ebf-4037-89a0-339cfc74f80a/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:27:30,746 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea0683a-2ebf-4037-89a0-339cfc74f80a/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:27:30,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea0683a-2ebf-4037-89a0-339cfc74f80a/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-13 15:27:52,169 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-13 15:27:52,170 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 15:27:52,192 INFO L255 TraceCheckSpWp]: Trace formula consists of 1017 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 15:27:52,199 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:27:52,442 INFO L134 CoverageAnalysis]: Checked inductivity of 485 backedges. 0 proven. 485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:27:52,442 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:27:53,373 INFO L134 CoverageAnalysis]: Checked inductivity of 485 backedges. 0 proven. 485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:27:53,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1849632008] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:27:53,374 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 15:27:53,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 47 [2024-11-13 15:27:53,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507198713] [2024-11-13 15:27:53,374 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 15:27:53,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-13 15:27:53,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:27:53,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-13 15:27:53,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=599, Invalid=1657, Unknown=0, NotChecked=0, Total=2256 [2024-11-13 15:27:53,379 INFO L87 Difference]: Start difference. First operand 101 states and 111 transitions. Second operand has 48 states, 47 states have (on average 4.425531914893617) internal successors, (208), 48 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:27:53,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:27:53,590 INFO L93 Difference]: Finished difference Result 210 states and 243 transitions. [2024-11-13 15:27:53,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-11-13 15:27:53,590 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 4.425531914893617) internal successors, (208), 48 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2024-11-13 15:27:53,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:27:53,592 INFO L225 Difference]: With dead ends: 210 [2024-11-13 15:27:53,592 INFO L226 Difference]: Without dead ends: 209 [2024-11-13 15:27:53,594 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 687 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=599, Invalid=1657, Unknown=0, NotChecked=0, Total=2256 [2024-11-13 15:27:53,596 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 45 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:27:53,597 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 199 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:27:53,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2024-11-13 15:27:53,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209. [2024-11-13 15:27:53,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 208 states have (on average 1.1105769230769231) internal successors, (231), 208 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:27:53,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 231 transitions. [2024-11-13 15:27:53,627 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 231 transitions. Word has length 100 [2024-11-13 15:27:53,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:27:53,628 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 231 transitions. [2024-11-13 15:27:53,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 4.425531914893617) internal successors, (208), 48 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:27:53,629 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 231 transitions. [2024-11-13 15:27:53,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-13 15:27:53,636 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:27:53,636 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 23, 23, 22, 22, 22, 1, 1, 1, 1] [2024-11-13 15:27:53,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea0683a-2ebf-4037-89a0-339cfc74f80a/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-13 15:27:53,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea0683a-2ebf-4037-89a0-339cfc74f80a/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-13 15:27:53,837 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-13 15:27:53,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:27:53,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1080162925, now seen corresponding path program 4 times [2024-11-13 15:27:53,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:27:53,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277318538] [2024-11-13 15:27:53,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:27:53,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:27:54,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:27:57,481 INFO L134 CoverageAnalysis]: Checked inductivity of 2255 backedges. 0 proven. 2255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:27:57,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:27:57,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277318538] [2024-11-13 15:27:57,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277318538] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:27:57,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1091641912] [2024-11-13 15:27:57,483 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-13 15:27:57,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:27:57,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea0683a-2ebf-4037-89a0-339cfc74f80a/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:27:57,485 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea0683a-2ebf-4037-89a0-339cfc74f80a/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:27:57,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea0683a-2ebf-4037-89a0-339cfc74f80a/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-13 15:32:20,580 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-13 15:32:20,580 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 15:32:20,627 INFO L255 TraceCheckSpWp]: Trace formula consists of 2085 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-13 15:32:20,642 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:32:23,184 INFO L134 CoverageAnalysis]: Checked inductivity of 2255 backedges. 2230 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-13 15:32:23,184 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:32:23,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1091641912] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:32:23,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:32:23,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [42] imperfect sequences [47] total 89 [2024-11-13 15:32:23,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361482391] [2024-11-13 15:32:23,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:32:23,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-11-13 15:32:23,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:32:23,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-11-13 15:32:23,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1081, Invalid=6751, Unknown=0, NotChecked=0, Total=7832 [2024-11-13 15:32:23,194 INFO L87 Difference]: Start difference. First operand 209 states and 231 transitions. Second operand has 43 states, 43 states have (on average 4.465116279069767) internal successors, (192), 42 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:32:24,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:32:24,940 INFO L93 Difference]: Finished difference Result 209 states and 231 transitions. [2024-11-13 15:32:24,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-13 15:32:24,941 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 43 states have (on average 4.465116279069767) internal successors, (192), 42 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 208 [2024-11-13 15:32:24,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:32:24,942 INFO L225 Difference]: With dead ends: 209 [2024-11-13 15:32:24,942 INFO L226 Difference]: Without dead ends: 0 [2024-11-13 15:32:24,946 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3029 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=1731, Invalid=10041, Unknown=0, NotChecked=0, Total=11772 [2024-11-13 15:32:24,947 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 59 mSDsluCounter, 705 mSDsCounter, 0 mSdLazyCounter, 634 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 826 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 15:32:24,947 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 826 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 634 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 15:32:24,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-13 15:32:24,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-13 15:32:24,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:32:24,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-13 15:32:24,949 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 208 [2024-11-13 15:32:24,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:32:24,949 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 15:32:24,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 4.465116279069767) internal successors, (192), 42 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:32:24,950 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-13 15:32:24,950 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 15:32:24,953 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2024-11-13 15:32:24,954 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2024-11-13 15:32:24,954 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-11-13 15:32:24,954 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-11-13 15:32:24,954 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-11-13 15:32:24,955 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-11-13 15:32:24,955 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-11-13 15:32:24,955 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-11-13 15:32:25,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea0683a-2ebf-4037-89a0-339cfc74f80a/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-13 15:32:25,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea0683a-2ebf-4037-89a0-339cfc74f80a/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-13 15:32:25,159 INFO L407 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:32:25,161 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-13 15:32:25,589 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 15:32:25,623 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.base [2024-11-13 15:32:25,624 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL] [2024-11-13 15:32:25,624 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~#list~0!base,]]] [2024-11-13 15:32:25,625 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.offset [2024-11-13 15:32:25,625 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL] [2024-11-13 15:32:25,625 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL],[IdentifierExpression[~#list~0!base,]]] [2024-11-13 15:32:25,638 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 03:32:25 BoogieIcfgContainer [2024-11-13 15:32:25,640 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 15:32:25,641 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 15:32:25,641 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 15:32:25,642 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 15:32:25,643 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:27:21" (3/4) ... [2024-11-13 15:32:25,646 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 15:32:25,665 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-13 15:32:25,666 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 15:32:25,666 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 15:32:25,666 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 15:32:25,792 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea0683a-2ebf-4037-89a0-339cfc74f80a/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 15:32:25,792 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea0683a-2ebf-4037-89a0-339cfc74f80a/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 15:32:25,792 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 15:32:25,794 INFO L158 Benchmark]: Toolchain (without parser) took 305713.71ms. Allocated memory was 142.6MB in the beginning and 343.9MB in the end (delta: 201.3MB). Free memory was 116.9MB in the beginning and 215.7MB in the end (delta: -98.9MB). Peak memory consumption was 98.7MB. Max. memory is 16.1GB. [2024-11-13 15:32:25,794 INFO L158 Benchmark]: CDTParser took 1.88ms. Allocated memory is still 142.6MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:32:25,795 INFO L158 Benchmark]: CACSL2BoogieTranslator took 646.69ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 99.5MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 15:32:25,795 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.47ms. Allocated memory is still 142.6MB. Free memory was 99.3MB in the beginning and 97.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:32:25,795 INFO L158 Benchmark]: Boogie Preprocessor took 59.45ms. Allocated memory is still 142.6MB. Free memory was 97.6MB in the beginning and 95.8MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:32:25,796 INFO L158 Benchmark]: RCFGBuilder took 456.00ms. Allocated memory is still 142.6MB. Free memory was 95.6MB in the beginning and 80.6MB in the end (delta: 14.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:32:25,798 INFO L158 Benchmark]: TraceAbstraction took 304331.47ms. Allocated memory was 142.6MB in the beginning and 343.9MB in the end (delta: 201.3MB). Free memory was 80.2MB in the beginning and 219.5MB in the end (delta: -139.4MB). Peak memory consumption was 73.5MB. Max. memory is 16.1GB. [2024-11-13 15:32:25,799 INFO L158 Benchmark]: Witness Printer took 151.46ms. Allocated memory is still 343.9MB. Free memory was 219.5MB in the beginning and 215.7MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:32:25,803 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.88ms. Allocated memory is still 142.6MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 646.69ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 99.5MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.47ms. Allocated memory is still 142.6MB. Free memory was 99.3MB in the beginning and 97.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 59.45ms. Allocated memory is still 142.6MB. Free memory was 97.6MB in the beginning and 95.8MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 456.00ms. Allocated memory is still 142.6MB. Free memory was 95.6MB in the beginning and 80.6MB in the end (delta: 14.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 304331.47ms. Allocated memory was 142.6MB in the beginning and 343.9MB in the end (delta: 201.3MB). Free memory was 80.2MB in the beginning and 219.5MB in the end (delta: -139.4MB). Peak memory consumption was 73.5MB. Max. memory is 16.1GB. * Witness Printer took 151.46ms. Allocated memory is still 343.9MB. Free memory was 219.5MB in the beginning and 215.7MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.base,GLOBAL],[IdentifierExpression[~#list~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#2.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_$Pointer$#2.offset,GLOBAL],[IdentifierExpression[~#list~0!base,]]] * 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: 531]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 531]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 545]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 545]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 552]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 552]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 558]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 558]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 29 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 303.8s, OverallIterations: 17, TraceHistogramMax: 23, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 221 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 221 mSDsluCounter, 2140 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1711 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1203 IncrementalHoareTripleChecker+Invalid, 1224 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 429 mSDtfsCounter, 1203 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 810 GetRequests, 559 SyntacticMatches, 0 SemanticMatches, 251 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4043 ImplicationChecksByTransitivity, 6.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=209occurred in iteration=16, InterpolantAutomatonStates: 198, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 17 MinimizatonAttempts, 28 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 284.4s SatisfiabilityAnalysisTime, 12.1s InterpolantComputationTime, 995 NumberOfCodeBlocks, 995 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 1180 ConstructedInterpolants, 0 QuantifiedInterpolants, 3398 SizeOfPredicates, 20 NumberOfNonLiveVariables, 4536 ConjunctsInSsa, 102 ConjunctsInUnsatCore, 29 InterpolantComputations, 12 PerfectInterpolantSequences, 2265/6318 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 554]: Loop Invariant Derived loop invariant: ((length <= 2147483647) && (0 <= c)) - InvariantResult [Line: 543]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((c <= 19) && (17 <= c)) && (length <= 2147483642)) && (1 <= length)) || ((((c <= 19) && (length <= 4)) && (4 <= c)) && (1 <= length))) || ((((c <= 19) && (1 <= length)) && (length <= 2147483637)) && (12 <= c))) || ((((c <= 19) && (length <= 2147483641)) && (16 <= c)) && (1 <= length))) || (((c <= 19) && (1 <= c)) && (length == 1))) || ((((c <= 19) && (length <= 2147483638)) && (13 <= c)) && (1 <= length))) || ((((c <= 19) && (8 <= c)) && (length <= 8)) && (1 <= length))) || ((((c <= 19) && (10 <= c)) && (1 <= length)) && (length <= 10))) || ((((c <= 19) && (length <= 9)) && (1 <= length)) && (9 <= c))) || ((((c <= 19) && (14 <= c)) && (length <= 2147483639)) && (1 <= length))) || ((((c <= 19) && (1 <= length)) && (length <= 7)) && (7 <= c))) || ((((c <= 19) && (5 <= c)) && (1 <= length)) && (length <= 5))) || ((((c <= 19) && (18 <= c)) && (length <= 2147483643)) && (1 <= length))) || ((c == 0) && (length == 0))) || ((((c <= 19) && (length <= 3)) && (3 <= c)) && (1 <= length))) || ((((c <= 19) && (6 <= c)) && (length <= 6)) && (1 <= length))) || (((19 == c) && (1 <= length)) && (length <= 2147483644))) || ((((c <= 19) && (1 <= length)) && (length <= 2)) && (2 <= c))) || ((((c <= 19) && (11 <= c)) && (length <= 2147483636)) && (1 <= length))) || ((((c <= 19) && (15 <= c)) && (1 <= length)) && (length <= 2147483640))) RESULT: Ultimate proved your program to be correct! [2024-11-13 15:32:25,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ea0683a-2ebf-4037-89a0-339cfc74f80a/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE