./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/bin/uautomizer-verify-84ZbGMXZE1 --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 fdc85b042221b41aa26e62667e19ce1f6c246be9a2cb4f81fe8b15c8429db160 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 14:32:11,891 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 14:32:11,949 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-12-02 14:32:11,954 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 14:32:11,954 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 14:32:11,976 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 14:32:11,977 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 14:32:11,977 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 14:32:11,977 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 14:32:11,978 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 14:32:11,978 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 14:32:11,978 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 14:32:11,978 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 14:32:11,978 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 14:32:11,978 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 14:32:11,978 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 14:32:11,979 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 14:32:11,979 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 14:32:11,979 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 14:32:11,979 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 14:32:11,979 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 14:32:11,979 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 14:32:11,979 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 14:32:11,979 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 14:32:11,979 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-02 14:32:11,979 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 14:32:11,979 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 14:32:11,979 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 14:32:11,979 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 14:32:11,980 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 14:32:11,980 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 14:32:11,980 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:32:11,980 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:32:11,980 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:32:11,980 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:32:11,980 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 14:32:11,980 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:32:11,980 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:32:11,980 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:32:11,980 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:32:11,981 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 14:32:11,981 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 14:32:11,981 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 14:32:11,981 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 14:32:11,981 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 14:32:11,981 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 14:32:11,981 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 14:32:11,981 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 14:32:11,981 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 14:32:11,981 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 14:32:11,981 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_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/bin/uautomizer-verify-84ZbGMXZE1 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 -> fdc85b042221b41aa26e62667e19ce1f6c246be9a2cb4f81fe8b15c8429db160 [2024-12-02 14:32:12,229 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 14:32:12,237 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 14:32:12,239 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 14:32:12,240 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 14:32:12,240 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 14:32:12,241 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test1-1.i [2024-12-02 14:32:14,835 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/bin/uautomizer-verify-84ZbGMXZE1/data/d67da24da/44a6781489514cbd9f1c444576773d32/FLAGc62e2c523 [2024-12-02 14:32:15,117 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 14:32:15,118 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test1-1.i [2024-12-02 14:32:15,131 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/bin/uautomizer-verify-84ZbGMXZE1/data/d67da24da/44a6781489514cbd9f1c444576773d32/FLAGc62e2c523 [2024-12-02 14:32:15,420 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/bin/uautomizer-verify-84ZbGMXZE1/data/d67da24da/44a6781489514cbd9f1c444576773d32 [2024-12-02 14:32:15,422 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 14:32:15,423 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 14:32:15,424 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 14:32:15,424 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 14:32:15,428 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 14:32:15,429 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:32:15" (1/1) ... [2024-12-02 14:32:15,429 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28b1f475 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:32:15, skipping insertion in model container [2024-12-02 14:32:15,430 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:32:15" (1/1) ... [2024-12-02 14:32:15,461 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 14:32:15,834 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:32:15,841 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 14:32:15,913 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:32:15,942 INFO L204 MainTranslator]: Completed translation [2024-12-02 14:32:15,942 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:32:15 WrapperNode [2024-12-02 14:32:15,943 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 14:32:15,944 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 14:32:15,944 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 14:32:15,944 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 14:32:15,950 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:32:15" (1/1) ... [2024-12-02 14:32:15,968 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:32:15" (1/1) ... [2024-12-02 14:32:16,000 INFO L138 Inliner]: procedures = 176, calls = 170, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 787 [2024-12-02 14:32:16,000 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 14:32:16,000 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 14:32:16,001 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 14:32:16,001 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 14:32:16,010 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:32:15" (1/1) ... [2024-12-02 14:32:16,010 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:32:15" (1/1) ... [2024-12-02 14:32:16,018 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:32:15" (1/1) ... [2024-12-02 14:32:16,053 INFO L175 MemorySlicer]: Split 158 memory accesses to 2 slices as follows [2, 156]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 42 writes are split as follows [0, 42]. [2024-12-02 14:32:16,053 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:32:15" (1/1) ... [2024-12-02 14:32:16,054 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:32:15" (1/1) ... [2024-12-02 14:32:16,078 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:32:15" (1/1) ... [2024-12-02 14:32:16,079 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:32:15" (1/1) ... [2024-12-02 14:32:16,087 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:32:15" (1/1) ... [2024-12-02 14:32:16,090 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:32:15" (1/1) ... [2024-12-02 14:32:16,093 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:32:15" (1/1) ... [2024-12-02 14:32:16,098 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 14:32:16,099 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 14:32:16,099 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 14:32:16,100 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 14:32:16,101 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:32:15" (1/1) ... [2024-12-02 14:32:16,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:32:16,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:32:16,129 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 14:32:16,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 14:32:16,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 14:32:16,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 14:32:16,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 14:32:16,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 14:32:16,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-12-02 14:32:16,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-12-02 14:32:16,156 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-12-02 14:32:16,156 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-12-02 14:32:16,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 14:32:16,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 14:32:16,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 14:32:16,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 14:32:16,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 14:32:16,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 14:32:16,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 14:32:16,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 14:32:16,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 14:32:16,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 14:32:16,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 14:32:16,300 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 14:32:16,302 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 14:32:17,229 INFO L? ?]: Removed 205 outVars from TransFormulas that were not future-live. [2024-12-02 14:32:17,229 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 14:32:17,242 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 14:32:17,242 INFO L312 CfgBuilder]: Removed 18 assume(true) statements. [2024-12-02 14:32:17,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:32:17 BoogieIcfgContainer [2024-12-02 14:32:17,242 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 14:32:17,244 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 14:32:17,244 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 14:32:17,249 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 14:32:17,249 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:32:15" (1/3) ... [2024-12-02 14:32:17,249 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bc01ef9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:32:17, skipping insertion in model container [2024-12-02 14:32:17,250 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:32:15" (2/3) ... [2024-12-02 14:32:17,250 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bc01ef9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:32:17, skipping insertion in model container [2024-12-02 14:32:17,250 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:32:17" (3/3) ... [2024-12-02 14:32:17,251 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_SAX_nondet_test1-1.i [2024-12-02 14:32:17,265 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 14:32:17,267 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_SAX_nondet_test1-1.i that has 3 procedures, 231 locations, 1 initial locations, 20 loop locations, and 6 error locations. [2024-12-02 14:32:17,315 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 14:32:17,325 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;@fe0a2ac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 14:32:17,325 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-12-02 14:32:17,330 INFO L276 IsEmpty]: Start isEmpty. Operand has 227 states, 216 states have (on average 1.6018518518518519) internal successors, (346), 222 states have internal predecessors, (346), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-12-02 14:32:17,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-02 14:32:17,334 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:32:17,335 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:32:17,335 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 14:32:17,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:32:17,339 INFO L85 PathProgramCache]: Analyzing trace with hash 31339065, now seen corresponding path program 1 times [2024-12-02 14:32:17,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:32:17,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662686978] [2024-12-02 14:32:17,344 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:32:17,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:32:17,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:32:17,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 14:32:17,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:32:17,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662686978] [2024-12-02 14:32:17,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662686978] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:32:17,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:32:17,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 14:32:17,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328801626] [2024-12-02 14:32:17,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:32:17,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 14:32:17,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:32:17,478 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 14:32:17,478 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 14:32:17,480 INFO L87 Difference]: Start difference. First operand has 227 states, 216 states have (on average 1.6018518518518519) internal successors, (346), 222 states have internal predecessors, (346), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2024-12-02 14:32:17,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:32:17,512 INFO L93 Difference]: Finished difference Result 451 states and 701 transitions. [2024-12-02 14:32:17,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 14:32:17,514 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 7 [2024-12-02 14:32:17,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:32:17,519 INFO L225 Difference]: With dead ends: 451 [2024-12-02 14:32:17,519 INFO L226 Difference]: Without dead ends: 219 [2024-12-02 14:32:17,522 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 14:32:17,525 INFO L435 NwaCegarLoop]: 314 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:32:17,526 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:32:17,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2024-12-02 14:32:17,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 219. [2024-12-02 14:32:17,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 209 states have (on average 1.4401913875598087) internal successors, (301), 214 states have internal predecessors, (301), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-12-02 14:32:17,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 307 transitions. [2024-12-02 14:32:17,563 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 307 transitions. Word has length 7 [2024-12-02 14:32:17,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:32:17,563 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 307 transitions. [2024-12-02 14:32:17,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2024-12-02 14:32:17,564 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 307 transitions. [2024-12-02 14:32:17,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-02 14:32:17,564 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:32:17,564 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:32:17,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 14:32:17,565 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 14:32:17,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:32:17,565 INFO L85 PathProgramCache]: Analyzing trace with hash -698643749, now seen corresponding path program 1 times [2024-12-02 14:32:17,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:32:17,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047141330] [2024-12-02 14:32:17,565 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:32:17,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:32:17,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:32:17,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 14:32:17,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:32:17,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047141330] [2024-12-02 14:32:17,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047141330] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:32:17,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:32:17,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:32:17,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627892815] [2024-12-02 14:32:17,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:32:17,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 14:32:17,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:32:17,762 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 14:32:17,762 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 14:32:17,763 INFO L87 Difference]: Start difference. First operand 219 states and 307 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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) [2024-12-02 14:32:17,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:32:17,823 INFO L93 Difference]: Finished difference Result 231 states and 323 transitions. [2024-12-02 14:32:17,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 14:32:17,824 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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 7 [2024-12-02 14:32:17,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:32:17,825 INFO L225 Difference]: With dead ends: 231 [2024-12-02 14:32:17,825 INFO L226 Difference]: Without dead ends: 230 [2024-12-02 14:32:17,825 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 14:32:17,826 INFO L435 NwaCegarLoop]: 300 mSDtfsCounter, 6 mSDsluCounter, 595 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 895 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:32:17,826 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 895 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:32:17,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2024-12-02 14:32:17,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 224. [2024-12-02 14:32:17,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 214 states have (on average 1.4345794392523366) internal successors, (307), 219 states have internal predecessors, (307), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-12-02 14:32:17,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 313 transitions. [2024-12-02 14:32:17,838 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 313 transitions. Word has length 7 [2024-12-02 14:32:17,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:32:17,838 INFO L471 AbstractCegarLoop]: Abstraction has 224 states and 313 transitions. [2024-12-02 14:32:17,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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) [2024-12-02 14:32:17,839 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 313 transitions. [2024-12-02 14:32:17,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-02 14:32:17,839 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:32:17,839 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:32:17,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 14:32:17,839 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 14:32:17,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:32:17,840 INFO L85 PathProgramCache]: Analyzing trace with hash -673307458, now seen corresponding path program 1 times [2024-12-02 14:32:17,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:32:17,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496217304] [2024-12-02 14:32:17,840 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:32:17,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:32:17,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:32:17,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 14:32:17,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:32:17,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496217304] [2024-12-02 14:32:17,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496217304] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:32:17,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:32:17,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:32:17,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896567811] [2024-12-02 14:32:17,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:32:17,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:32:17,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:32:17,872 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:32:17,872 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:32:17,872 INFO L87 Difference]: Start difference. First operand 224 states and 313 transitions. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2024-12-02 14:32:17,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:32:17,903 INFO L93 Difference]: Finished difference Result 427 states and 603 transitions. [2024-12-02 14:32:17,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:32:17,904 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 7 [2024-12-02 14:32:17,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:32:17,906 INFO L225 Difference]: With dead ends: 427 [2024-12-02 14:32:17,906 INFO L226 Difference]: Without dead ends: 420 [2024-12-02 14:32:17,907 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:32:17,907 INFO L435 NwaCegarLoop]: 349 mSDtfsCounter, 281 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 650 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:32:17,908 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [284 Valid, 650 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:32:17,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2024-12-02 14:32:17,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 224. [2024-12-02 14:32:17,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 214 states have (on average 1.4299065420560748) internal successors, (306), 219 states have internal predecessors, (306), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-12-02 14:32:17,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 312 transitions. [2024-12-02 14:32:17,922 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 312 transitions. Word has length 7 [2024-12-02 14:32:17,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:32:17,922 INFO L471 AbstractCegarLoop]: Abstraction has 224 states and 312 transitions. [2024-12-02 14:32:17,923 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2024-12-02 14:32:17,923 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 312 transitions. [2024-12-02 14:32:17,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-02 14:32:17,923 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:32:17,923 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:32:17,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 14:32:17,923 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 14:32:17,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:32:17,924 INFO L85 PathProgramCache]: Analyzing trace with hash -183119670, now seen corresponding path program 1 times [2024-12-02 14:32:17,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:32:17,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331086174] [2024-12-02 14:32:17,924 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:32:17,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:32:17,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:32:18,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 14:32:18,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:32:18,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331086174] [2024-12-02 14:32:18,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331086174] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:32:18,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:32:18,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:32:18,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916165639] [2024-12-02 14:32:18,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:32:18,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 14:32:18,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:32:18,029 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 14:32:18,029 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 14:32:18,029 INFO L87 Difference]: Start difference. First operand 224 states and 312 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 14:32:18,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:32:18,061 INFO L93 Difference]: Finished difference Result 226 states and 314 transitions. [2024-12-02 14:32:18,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 14:32:18,062 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-12-02 14:32:18,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:32:18,064 INFO L225 Difference]: With dead ends: 226 [2024-12-02 14:32:18,064 INFO L226 Difference]: Without dead ends: 225 [2024-12-02 14:32:18,064 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 14:32:18,065 INFO L435 NwaCegarLoop]: 305 mSDtfsCounter, 0 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 606 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:32:18,065 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 606 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:32:18,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2024-12-02 14:32:18,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 225. [2024-12-02 14:32:18,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 215 states have (on average 1.427906976744186) internal successors, (307), 220 states have internal predecessors, (307), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-12-02 14:32:18,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 313 transitions. [2024-12-02 14:32:18,075 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 313 transitions. Word has length 8 [2024-12-02 14:32:18,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:32:18,075 INFO L471 AbstractCegarLoop]: Abstraction has 225 states and 313 transitions. [2024-12-02 14:32:18,075 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 14:32:18,075 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 313 transitions. [2024-12-02 14:32:18,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-12-02 14:32:18,078 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:32:18,078 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:32:18,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 14:32:18,078 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 14:32:18,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:32:18,079 INFO L85 PathProgramCache]: Analyzing trace with hash -2015008578, now seen corresponding path program 1 times [2024-12-02 14:32:18,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:32:18,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119539684] [2024-12-02 14:32:18,079 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:32:18,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:32:18,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:32:18,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 14:32:18,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:32:18,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119539684] [2024-12-02 14:32:18,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119539684] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:32:18,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:32:18,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 14:32:18,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254890352] [2024-12-02 14:32:18,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:32:18,283 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 14:32:18,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:32:18,283 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 14:32:18,283 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 14:32:18,283 INFO L87 Difference]: Start difference. First operand 225 states and 313 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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) [2024-12-02 14:32:18,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:32:18,362 INFO L93 Difference]: Finished difference Result 445 states and 621 transitions. [2024-12-02 14:32:18,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 14:32:18,363 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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 81 [2024-12-02 14:32:18,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:32:18,364 INFO L225 Difference]: With dead ends: 445 [2024-12-02 14:32:18,364 INFO L226 Difference]: Without dead ends: 228 [2024-12-02 14:32:18,364 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:32:18,365 INFO L435 NwaCegarLoop]: 279 mSDtfsCounter, 106 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 743 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:32:18,365 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 743 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:32:18,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2024-12-02 14:32:18,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 225. [2024-12-02 14:32:18,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 215 states have (on average 1.3953488372093024) internal successors, (300), 220 states have internal predecessors, (300), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-12-02 14:32:18,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 306 transitions. [2024-12-02 14:32:18,374 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 306 transitions. Word has length 81 [2024-12-02 14:32:18,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:32:18,374 INFO L471 AbstractCegarLoop]: Abstraction has 225 states and 306 transitions. [2024-12-02 14:32:18,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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) [2024-12-02 14:32:18,374 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 306 transitions. [2024-12-02 14:32:18,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-12-02 14:32:18,376 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:32:18,376 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:32:18,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 14:32:18,376 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 14:32:18,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:32:18,377 INFO L85 PathProgramCache]: Analyzing trace with hash -693752654, now seen corresponding path program 1 times [2024-12-02 14:32:18,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:32:18,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409733012] [2024-12-02 14:32:18,377 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:32:18,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:32:18,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:32:18,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 14:32:18,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:32:18,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409733012] [2024-12-02 14:32:18,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409733012] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:32:18,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:32:18,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:32:18,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998250050] [2024-12-02 14:32:18,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:32:18,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:32:18,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:32:18,554 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:32:18,554 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:32:18,555 INFO L87 Difference]: Start difference. First operand 225 states and 306 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 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) [2024-12-02 14:32:18,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:32:18,626 INFO L93 Difference]: Finished difference Result 570 states and 792 transitions. [2024-12-02 14:32:18,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:32:18,628 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 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 81 [2024-12-02 14:32:18,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:32:18,630 INFO L225 Difference]: With dead ends: 570 [2024-12-02 14:32:18,630 INFO L226 Difference]: Without dead ends: 353 [2024-12-02 14:32:18,631 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:32:18,632 INFO L435 NwaCegarLoop]: 299 mSDtfsCounter, 135 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:32:18,632 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 590 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:32:18,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2024-12-02 14:32:18,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 353. [2024-12-02 14:32:18,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 343 states have (on average 1.4198250728862973) internal successors, (487), 348 states have internal predecessors, (487), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-12-02 14:32:18,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 493 transitions. [2024-12-02 14:32:18,646 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 493 transitions. Word has length 81 [2024-12-02 14:32:18,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:32:18,646 INFO L471 AbstractCegarLoop]: Abstraction has 353 states and 493 transitions. [2024-12-02 14:32:18,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 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) [2024-12-02 14:32:18,647 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 493 transitions. [2024-12-02 14:32:18,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-12-02 14:32:18,648 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:32:18,648 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:32:18,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 14:32:18,648 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 14:32:18,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:32:18,649 INFO L85 PathProgramCache]: Analyzing trace with hash 2054702818, now seen corresponding path program 1 times [2024-12-02 14:32:18,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:32:18,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145458865] [2024-12-02 14:32:18,649 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:32:18,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:32:18,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:32:18,920 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 14:32:18,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:32:18,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145458865] [2024-12-02 14:32:18,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145458865] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:32:18,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:32:18,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:32:18,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4962807] [2024-12-02 14:32:18,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:32:18,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 14:32:18,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:32:18,922 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 14:32:18,923 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 14:32:18,923 INFO L87 Difference]: Start difference. First operand 353 states and 493 transitions. Second operand has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 14:32:18,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:32:18,963 INFO L93 Difference]: Finished difference Result 421 states and 581 transitions. [2024-12-02 14:32:18,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 14:32:18,964 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 96 [2024-12-02 14:32:18,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:32:18,966 INFO L225 Difference]: With dead ends: 421 [2024-12-02 14:32:18,966 INFO L226 Difference]: Without dead ends: 419 [2024-12-02 14:32:18,966 INFO L434 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 [2024-12-02 14:32:18,967 INFO L435 NwaCegarLoop]: 295 mSDtfsCounter, 189 mSDsluCounter, 585 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 880 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:32:18,967 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 880 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:32:18,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2024-12-02 14:32:18,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 419. [2024-12-02 14:32:18,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 419 states, 406 states have (on average 1.396551724137931) internal successors, (567), 411 states have internal predecessors, (567), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-12-02 14:32:18,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 579 transitions. [2024-12-02 14:32:18,981 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 579 transitions. Word has length 96 [2024-12-02 14:32:18,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:32:18,981 INFO L471 AbstractCegarLoop]: Abstraction has 419 states and 579 transitions. [2024-12-02 14:32:18,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 14:32:18,981 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 579 transitions. [2024-12-02 14:32:18,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-12-02 14:32:18,983 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:32:18,983 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:32:18,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 14:32:18,983 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 14:32:18,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:32:18,984 INFO L85 PathProgramCache]: Analyzing trace with hash -584601554, now seen corresponding path program 1 times [2024-12-02 14:32:18,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:32:18,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654008015] [2024-12-02 14:32:18,984 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:32:18,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:32:19,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:32:19,580 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 14:32:19,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:32:19,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654008015] [2024-12-02 14:32:19,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654008015] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:32:19,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1217082895] [2024-12-02 14:32:19,580 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:32:19,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:32:19,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:32:19,582 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:32:19,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 14:32:19,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:32:19,877 INFO L256 TraceCheckSpWp]: Trace formula consists of 584 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-02 14:32:19,885 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:32:20,169 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 14:32:20,169 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:32:20,404 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 14:32:20,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1217082895] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 14:32:20,404 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 14:32:20,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2024-12-02 14:32:20,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086556591] [2024-12-02 14:32:20,405 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 14:32:20,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 14:32:20,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:32:20,406 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 14:32:20,406 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2024-12-02 14:32:20,406 INFO L87 Difference]: Start difference. First operand 419 states and 579 transitions. Second operand has 13 states, 12 states have (on average 16.25) internal successors, (195), 13 states have internal predecessors, (195), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-12-02 14:32:20,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:32:20,573 INFO L93 Difference]: Finished difference Result 849 states and 1183 transitions. [2024-12-02 14:32:20,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 14:32:20,574 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 16.25) internal successors, (195), 13 states have internal predecessors, (195), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 102 [2024-12-02 14:32:20,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:32:20,577 INFO L225 Difference]: With dead ends: 849 [2024-12-02 14:32:20,578 INFO L226 Difference]: Without dead ends: 848 [2024-12-02 14:32:20,578 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=133, Unknown=0, NotChecked=0, Total=210 [2024-12-02 14:32:20,579 INFO L435 NwaCegarLoop]: 383 mSDtfsCounter, 1129 mSDsluCounter, 1969 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1134 SdHoareTripleChecker+Valid, 2352 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:32:20,579 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1134 Valid, 2352 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:32:20,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 848 states. [2024-12-02 14:32:20,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 848 to 828. [2024-12-02 14:32:20,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 828 states, 809 states have (on average 1.400494437577256) internal successors, (1133), 814 states have internal predecessors, (1133), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 14:32:20,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 828 states and 1157 transitions. [2024-12-02 14:32:20,608 INFO L78 Accepts]: Start accepts. Automaton has 828 states and 1157 transitions. Word has length 102 [2024-12-02 14:32:20,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:32:20,609 INFO L471 AbstractCegarLoop]: Abstraction has 828 states and 1157 transitions. [2024-12-02 14:32:20,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 16.25) internal successors, (195), 13 states have internal predecessors, (195), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-12-02 14:32:20,609 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1157 transitions. [2024-12-02 14:32:20,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-12-02 14:32:20,610 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:32:20,610 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:32:20,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 14:32:20,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-12-02 14:32:20,811 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 14:32:20,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:32:20,811 INFO L85 PathProgramCache]: Analyzing trace with hash -559265263, now seen corresponding path program 1 times [2024-12-02 14:32:20,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:32:20,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632700040] [2024-12-02 14:32:20,811 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:32:20,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:32:20,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:32:21,051 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 14:32:21,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:32:21,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632700040] [2024-12-02 14:32:21,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632700040] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:32:21,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [5867686] [2024-12-02 14:32:21,052 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:32:21,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:32:21,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:32:21,054 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:32:21,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 14:32:21,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:32:21,327 INFO L256 TraceCheckSpWp]: Trace formula consists of 552 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 14:32:21,331 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:32:21,485 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 14:32:21,485 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:32:21,648 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 14:32:21,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [5867686] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 14:32:21,648 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 14:32:21,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-12-02 14:32:21,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939569850] [2024-12-02 14:32:21,649 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 14:32:21,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 14:32:21,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:32:21,650 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 14:32:21,650 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-12-02 14:32:21,651 INFO L87 Difference]: Start difference. First operand 828 states and 1157 transitions. Second operand has 10 states, 10 states have (on average 26.8) internal successors, (268), 10 states have internal predecessors, (268), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-12-02 14:32:21,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:32:21,752 INFO L93 Difference]: Finished difference Result 837 states and 1164 transitions. [2024-12-02 14:32:21,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 14:32:21,753 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 26.8) internal successors, (268), 10 states have internal predecessors, (268), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 102 [2024-12-02 14:32:21,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:32:21,757 INFO L225 Difference]: With dead ends: 837 [2024-12-02 14:32:21,757 INFO L226 Difference]: Without dead ends: 829 [2024-12-02 14:32:21,757 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-12-02 14:32:21,758 INFO L435 NwaCegarLoop]: 339 mSDtfsCounter, 1073 mSDsluCounter, 1523 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1080 SdHoareTripleChecker+Valid, 1862 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:32:21,758 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1080 Valid, 1862 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:32:21,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 829 states. [2024-12-02 14:32:21,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 829 to 828. [2024-12-02 14:32:21,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 828 states, 809 states have (on average 1.396786155747837) internal successors, (1130), 814 states have internal predecessors, (1130), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 14:32:21,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 828 states and 1154 transitions. [2024-12-02 14:32:21,788 INFO L78 Accepts]: Start accepts. Automaton has 828 states and 1154 transitions. Word has length 102 [2024-12-02 14:32:21,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:32:21,788 INFO L471 AbstractCegarLoop]: Abstraction has 828 states and 1154 transitions. [2024-12-02 14:32:21,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 26.8) internal successors, (268), 10 states have internal predecessors, (268), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-12-02 14:32:21,788 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1154 transitions. [2024-12-02 14:32:21,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-02 14:32:21,789 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:32:21,790 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:32:21,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 14:32:21,990 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-12-02 14:32:21,990 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 14:32:21,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:32:21,991 INFO L85 PathProgramCache]: Analyzing trace with hash -942778921, now seen corresponding path program 1 times [2024-12-02 14:32:21,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:32:21,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398821463] [2024-12-02 14:32:21,991 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:32:21,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:32:22,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:32:22,528 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 14:32:22,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:32:22,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398821463] [2024-12-02 14:32:22,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398821463] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:32:22,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1528561490] [2024-12-02 14:32:22,529 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:32:22,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:32:22,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:32:22,531 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:32:22,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 14:32:22,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:32:22,810 INFO L256 TraceCheckSpWp]: Trace formula consists of 585 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-02 14:32:22,814 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:32:22,995 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 14:32:22,995 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:32:23,162 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 14:32:23,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1528561490] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 14:32:23,162 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 14:32:23,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2024-12-02 14:32:23,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845238920] [2024-12-02 14:32:23,162 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 14:32:23,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 14:32:23,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:32:23,163 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 14:32:23,164 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2024-12-02 14:32:23,164 INFO L87 Difference]: Start difference. First operand 828 states and 1154 transitions. Second operand has 13 states, 12 states have (on average 16.5) internal successors, (198), 13 states have internal predecessors, (198), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-12-02 14:32:23,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:32:23,335 INFO L93 Difference]: Finished difference Result 838 states and 1163 transitions. [2024-12-02 14:32:23,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 14:32:23,336 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 16.5) internal successors, (198), 13 states have internal predecessors, (198), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 103 [2024-12-02 14:32:23,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:32:23,340 INFO L225 Difference]: With dead ends: 838 [2024-12-02 14:32:23,340 INFO L226 Difference]: Without dead ends: 837 [2024-12-02 14:32:23,340 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=133, Unknown=0, NotChecked=0, Total=210 [2024-12-02 14:32:23,341 INFO L435 NwaCegarLoop]: 294 mSDtfsCounter, 849 mSDsluCounter, 2531 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 854 SdHoareTripleChecker+Valid, 2825 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:32:23,341 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [854 Valid, 2825 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:32:23,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 837 states. [2024-12-02 14:32:23,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 837 to 829. [2024-12-02 14:32:23,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 829 states, 810 states have (on average 1.3938271604938273) internal successors, (1129), 815 states have internal predecessors, (1129), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 14:32:23,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 829 states and 1153 transitions. [2024-12-02 14:32:23,379 INFO L78 Accepts]: Start accepts. Automaton has 829 states and 1153 transitions. Word has length 103 [2024-12-02 14:32:23,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:32:23,380 INFO L471 AbstractCegarLoop]: Abstraction has 829 states and 1153 transitions. [2024-12-02 14:32:23,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 16.5) internal successors, (198), 13 states have internal predecessors, (198), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-12-02 14:32:23,380 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 1153 transitions. [2024-12-02 14:32:23,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-12-02 14:32:23,383 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:32:23,383 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:32:23,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 14:32:23,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-12-02 14:32:23,583 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 14:32:23,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:32:23,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1545072197, now seen corresponding path program 1 times [2024-12-02 14:32:23,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:32:23,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054636972] [2024-12-02 14:32:23,584 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:32:23,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:32:23,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:32:24,022 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 14:32:24,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:32:24,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054636972] [2024-12-02 14:32:24,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054636972] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:32:24,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1727939160] [2024-12-02 14:32:24,023 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:32:24,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:32:24,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:32:24,025 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:32:24,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 14:32:24,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:32:24,419 INFO L256 TraceCheckSpWp]: Trace formula consists of 917 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 14:32:24,424 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:32:24,635 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 14:32:24,636 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:32:24,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1727939160] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:32:24,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:32:24,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-12-02 14:32:24,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857256576] [2024-12-02 14:32:24,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:32:24,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 14:32:24,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:32:24,637 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 14:32:24,637 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-12-02 14:32:24,637 INFO L87 Difference]: Start difference. First operand 829 states and 1153 transitions. Second operand has 6 states, 5 states have (on average 33.8) internal successors, (169), 6 states have internal predecessors, (169), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 14:32:24,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:32:24,702 INFO L93 Difference]: Finished difference Result 829 states and 1153 transitions. [2024-12-02 14:32:24,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 14:32:24,703 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 33.8) internal successors, (169), 6 states have internal predecessors, (169), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 176 [2024-12-02 14:32:24,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:32:24,706 INFO L225 Difference]: With dead ends: 829 [2024-12-02 14:32:24,706 INFO L226 Difference]: Without dead ends: 828 [2024-12-02 14:32:24,707 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-12-02 14:32:24,707 INFO L435 NwaCegarLoop]: 521 mSDtfsCounter, 433 mSDsluCounter, 1326 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 437 SdHoareTripleChecker+Valid, 1847 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:32:24,708 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [437 Valid, 1847 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:32:24,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2024-12-02 14:32:24,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 828. [2024-12-02 14:32:24,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 828 states, 810 states have (on average 1.3901234567901235) internal successors, (1126), 814 states have internal predecessors, (1126), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 14:32:24,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 828 states and 1150 transitions. [2024-12-02 14:32:24,736 INFO L78 Accepts]: Start accepts. Automaton has 828 states and 1150 transitions. Word has length 176 [2024-12-02 14:32:24,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:32:24,736 INFO L471 AbstractCegarLoop]: Abstraction has 828 states and 1150 transitions. [2024-12-02 14:32:24,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 33.8) internal successors, (169), 6 states have internal predecessors, (169), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 14:32:24,737 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1150 transitions. [2024-12-02 14:32:24,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2024-12-02 14:32:24,740 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:32:24,740 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:32:24,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 14:32:24,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-12-02 14:32:24,941 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 14:32:24,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:32:24,941 INFO L85 PathProgramCache]: Analyzing trace with hash 436019337, now seen corresponding path program 1 times [2024-12-02 14:32:24,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:32:24,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949950855] [2024-12-02 14:32:24,942 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:32:24,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:32:25,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:32:25,364 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-02 14:32:25,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:32:25,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949950855] [2024-12-02 14:32:25,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949950855] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:32:25,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:32:25,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:32:25,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352631379] [2024-12-02 14:32:25,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:32:25,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 14:32:25,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:32:25,365 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 14:32:25,365 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 14:32:25,366 INFO L87 Difference]: Start difference. First operand 828 states and 1150 transitions. Second operand has 4 states, 3 states have (on average 57.666666666666664) internal successors, (173), 4 states have internal predecessors, (173), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 14:32:25,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:32:25,396 INFO L93 Difference]: Finished difference Result 828 states and 1150 transitions. [2024-12-02 14:32:25,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 14:32:25,397 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 57.666666666666664) internal successors, (173), 4 states have internal predecessors, (173), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 257 [2024-12-02 14:32:25,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:32:25,400 INFO L225 Difference]: With dead ends: 828 [2024-12-02 14:32:25,400 INFO L226 Difference]: Without dead ends: 827 [2024-12-02 14:32:25,401 INFO L434 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 [2024-12-02 14:32:25,401 INFO L435 NwaCegarLoop]: 293 mSDtfsCounter, 198 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 600 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:32:25,402 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 600 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:32:25,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 827 states. [2024-12-02 14:32:25,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 827 to 827. [2024-12-02 14:32:25,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 827 states, 810 states have (on average 1.3876543209876544) internal successors, (1124), 813 states have internal predecessors, (1124), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 14:32:25,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 1148 transitions. [2024-12-02 14:32:25,430 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 1148 transitions. Word has length 257 [2024-12-02 14:32:25,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:32:25,431 INFO L471 AbstractCegarLoop]: Abstraction has 827 states and 1148 transitions. [2024-12-02 14:32:25,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 57.666666666666664) internal successors, (173), 4 states have internal predecessors, (173), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 14:32:25,431 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1148 transitions. [2024-12-02 14:32:25,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2024-12-02 14:32:25,435 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:32:25,435 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:32:25,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 14:32:25,435 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 14:32:25,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:32:25,436 INFO L85 PathProgramCache]: Analyzing trace with hash 630566487, now seen corresponding path program 1 times [2024-12-02 14:32:25,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:32:25,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896528163] [2024-12-02 14:32:25,436 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:32:25,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:32:25,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:32:26,127 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 239 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 14:32:26,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:32:26,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896528163] [2024-12-02 14:32:26,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896528163] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:32:26,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [753244838] [2024-12-02 14:32:26,127 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:32:26,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:32:26,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:32:26,129 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:32:26,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 14:32:26,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:32:26,666 INFO L256 TraceCheckSpWp]: Trace formula consists of 1306 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 14:32:26,670 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:32:26,974 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 239 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 14:32:26,974 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:32:27,327 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 239 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 14:32:27,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [753244838] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 14:32:27,327 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 14:32:27,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-12-02 14:32:27,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176006425] [2024-12-02 14:32:27,328 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 14:32:27,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-12-02 14:32:27,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:32:27,330 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-12-02 14:32:27,330 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-12-02 14:32:27,330 INFO L87 Difference]: Start difference. First operand 827 states and 1148 transitions. Second operand has 18 states, 18 states have (on average 32.666666666666664) internal successors, (588), 18 states have internal predecessors, (588), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-12-02 14:32:27,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:32:27,495 INFO L93 Difference]: Finished difference Result 1439 states and 2003 transitions. [2024-12-02 14:32:27,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 14:32:27,496 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 32.666666666666664) internal successors, (588), 18 states have internal predecessors, (588), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 262 [2024-12-02 14:32:27,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:32:27,500 INFO L225 Difference]: With dead ends: 1439 [2024-12-02 14:32:27,500 INFO L226 Difference]: Without dead ends: 1432 [2024-12-02 14:32:27,501 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 531 GetRequests, 515 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-12-02 14:32:27,501 INFO L435 NwaCegarLoop]: 338 mSDtfsCounter, 2394 mSDsluCounter, 2687 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2413 SdHoareTripleChecker+Valid, 3025 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:32:27,502 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2413 Valid, 3025 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:32:27,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1432 states. [2024-12-02 14:32:27,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1432 to 1428. [2024-12-02 14:32:27,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1428 states, 1402 states have (on average 1.3908701854493581) internal successors, (1950), 1405 states have internal predecessors, (1950), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-12-02 14:32:27,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 1428 states and 1992 transitions. [2024-12-02 14:32:27,533 INFO L78 Accepts]: Start accepts. Automaton has 1428 states and 1992 transitions. Word has length 262 [2024-12-02 14:32:27,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:32:27,533 INFO L471 AbstractCegarLoop]: Abstraction has 1428 states and 1992 transitions. [2024-12-02 14:32:27,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 32.666666666666664) internal successors, (588), 18 states have internal predecessors, (588), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-12-02 14:32:27,534 INFO L276 IsEmpty]: Start isEmpty. Operand 1428 states and 1992 transitions. [2024-12-02 14:32:27,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2024-12-02 14:32:27,538 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:32:27,538 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:32:27,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-02 14:32:27,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-12-02 14:32:27,739 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 14:32:27,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:32:27,739 INFO L85 PathProgramCache]: Analyzing trace with hash 1894246807, now seen corresponding path program 1 times [2024-12-02 14:32:27,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:32:27,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482767214] [2024-12-02 14:32:27,739 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:32:27,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:32:28,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:32:29,979 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 0 proven. 494 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 14:32:29,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:32:29,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482767214] [2024-12-02 14:32:29,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482767214] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:32:29,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [668868087] [2024-12-02 14:32:29,980 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:32:29,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:32:29,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:32:29,981 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:32:29,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-02 14:32:30,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:32:30,594 INFO L256 TraceCheckSpWp]: Trace formula consists of 1715 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-02 14:32:30,600 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:32:31,096 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 0 proven. 494 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 14:32:31,097 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:32:31,552 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 0 proven. 494 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 14:32:31,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [668868087] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 14:32:31,552 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 14:32:31,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 27 [2024-12-02 14:32:31,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318470492] [2024-12-02 14:32:31,553 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 14:32:31,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-12-02 14:32:31,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:32:31,555 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-12-02 14:32:31,555 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=258, Invalid=498, Unknown=0, NotChecked=0, Total=756 [2024-12-02 14:32:31,556 INFO L87 Difference]: Start difference. First operand 1428 states and 1992 transitions. Second operand has 28 states, 27 states have (on average 25.333333333333332) internal successors, (684), 28 states have internal predecessors, (684), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-12-02 14:32:31,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:32:31,986 INFO L93 Difference]: Finished difference Result 2055 states and 2875 transitions. [2024-12-02 14:32:31,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-02 14:32:31,987 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 25.333333333333332) internal successors, (684), 28 states have internal predecessors, (684), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 342 [2024-12-02 14:32:31,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:32:31,995 INFO L225 Difference]: With dead ends: 2055 [2024-12-02 14:32:31,995 INFO L226 Difference]: Without dead ends: 2054 [2024-12-02 14:32:31,996 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 698 GetRequests, 667 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 380 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=338, Invalid=718, Unknown=0, NotChecked=0, Total=1056 [2024-12-02 14:32:31,997 INFO L435 NwaCegarLoop]: 426 mSDtfsCounter, 3875 mSDsluCounter, 4199 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3898 SdHoareTripleChecker+Valid, 4625 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:32:31,997 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3898 Valid, 4625 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:32:31,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2054 states. [2024-12-02 14:32:32,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2054 to 2038. [2024-12-02 14:32:32,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2038 states, 2003 states have (on average 1.3909136295556666) internal successors, (2786), 2006 states have internal predecessors, (2786), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-12-02 14:32:32,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2038 states to 2038 states and 2846 transitions. [2024-12-02 14:32:32,058 INFO L78 Accepts]: Start accepts. Automaton has 2038 states and 2846 transitions. Word has length 342 [2024-12-02 14:32:32,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:32:32,059 INFO L471 AbstractCegarLoop]: Abstraction has 2038 states and 2846 transitions. [2024-12-02 14:32:32,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 25.333333333333332) internal successors, (684), 28 states have internal predecessors, (684), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-12-02 14:32:32,059 INFO L276 IsEmpty]: Start isEmpty. Operand 2038 states and 2846 transitions. [2024-12-02 14:32:32,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2024-12-02 14:32:32,065 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:32:32,065 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:32:32,079 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-12-02 14:32:32,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-12-02 14:32:32,266 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 14:32:32,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:32:32,266 INFO L85 PathProgramCache]: Analyzing trace with hash -1407891058, now seen corresponding path program 1 times [2024-12-02 14:32:32,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:32:32,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352430284] [2024-12-02 14:32:32,266 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:32:32,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:32:32,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:32:34,178 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 0 proven. 498 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 14:32:34,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:32:34,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352430284] [2024-12-02 14:32:34,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352430284] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:32:34,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [562652693] [2024-12-02 14:32:34,178 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:32:34,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:32:34,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:32:34,180 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:32:34,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-12-02 14:32:34,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:32:34,727 INFO L256 TraceCheckSpWp]: Trace formula consists of 1716 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-02 14:32:34,734 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:32:35,133 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 0 proven. 498 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 14:32:35,133 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:32:35,529 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 0 proven. 498 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 14:32:35,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [562652693] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 14:32:35,529 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 14:32:35,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 27 [2024-12-02 14:32:35,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358693788] [2024-12-02 14:32:35,530 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 14:32:35,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-12-02 14:32:35,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:32:35,531 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-12-02 14:32:35,531 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=258, Invalid=498, Unknown=0, NotChecked=0, Total=756 [2024-12-02 14:32:35,531 INFO L87 Difference]: Start difference. First operand 2038 states and 2846 transitions. Second operand has 28 states, 27 states have (on average 25.444444444444443) internal successors, (687), 28 states have internal predecessors, (687), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-12-02 14:32:35,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:32:35,868 INFO L93 Difference]: Finished difference Result 2055 states and 2869 transitions. [2024-12-02 14:32:35,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-02 14:32:35,869 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 25.444444444444443) internal successors, (687), 28 states have internal predecessors, (687), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 343 [2024-12-02 14:32:35,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:32:35,874 INFO L225 Difference]: With dead ends: 2055 [2024-12-02 14:32:35,874 INFO L226 Difference]: Without dead ends: 2054 [2024-12-02 14:32:35,875 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 700 GetRequests, 669 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 380 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=338, Invalid=718, Unknown=0, NotChecked=0, Total=1056 [2024-12-02 14:32:35,876 INFO L435 NwaCegarLoop]: 472 mSDtfsCounter, 2988 mSDsluCounter, 4042 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3011 SdHoareTripleChecker+Valid, 4514 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:32:35,876 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3011 Valid, 4514 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:32:35,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2054 states. [2024-12-02 14:32:35,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2054 to 2039. [2024-12-02 14:32:35,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2039 states, 2004 states have (on average 1.3882235528942115) internal successors, (2782), 2007 states have internal predecessors, (2782), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-12-02 14:32:35,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2039 states to 2039 states and 2842 transitions. [2024-12-02 14:32:35,916 INFO L78 Accepts]: Start accepts. Automaton has 2039 states and 2842 transitions. Word has length 343 [2024-12-02 14:32:35,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:32:35,916 INFO L471 AbstractCegarLoop]: Abstraction has 2039 states and 2842 transitions. [2024-12-02 14:32:35,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 25.444444444444443) internal successors, (687), 28 states have internal predecessors, (687), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-12-02 14:32:35,916 INFO L276 IsEmpty]: Start isEmpty. Operand 2039 states and 2842 transitions. [2024-12-02 14:32:35,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 583 [2024-12-02 14:32:35,924 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:32:35,924 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:32:35,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-12-02 14:32:36,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-12-02 14:32:36,125 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 14:32:36,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:32:36,126 INFO L85 PathProgramCache]: Analyzing trace with hash 2088079075, now seen corresponding path program 2 times [2024-12-02 14:32:36,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:32:36,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244244725] [2024-12-02 14:32:36,126 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 14:32:36,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:32:36,532 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 14:32:36,532 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 14:32:37,963 INFO L134 CoverageAnalysis]: Checked inductivity of 1679 backedges. 0 proven. 1675 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 14:32:37,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:32:37,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244244725] [2024-12-02 14:32:37,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244244725] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:32:37,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [936017804] [2024-12-02 14:32:37,964 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 14:32:37,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:32:37,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:32:37,965 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:32:37,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-12-02 14:32:38,782 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 14:32:38,782 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 14:32:38,792 INFO L256 TraceCheckSpWp]: Trace formula consists of 2814 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-02 14:32:38,798 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:32:39,277 INFO L134 CoverageAnalysis]: Checked inductivity of 1679 backedges. 0 proven. 1675 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 14:32:39,277 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:32:39,860 INFO L134 CoverageAnalysis]: Checked inductivity of 1679 backedges. 0 proven. 1675 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 14:32:39,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [936017804] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 14:32:39,860 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 14:32:39,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2024-12-02 14:32:39,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98665302] [2024-12-02 14:32:39,861 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 14:32:39,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-12-02 14:32:39,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:32:39,862 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-12-02 14:32:39,862 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-12-02 14:32:39,863 INFO L87 Difference]: Start difference. First operand 2039 states and 2842 transitions. Second operand has 23 states, 23 states have (on average 36.130434782608695) internal successors, (831), 23 states have internal predecessors, (831), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-12-02 14:32:40,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:32:40,091 INFO L93 Difference]: Finished difference Result 2046 states and 2849 transitions. [2024-12-02 14:32:40,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-02 14:32:40,092 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 36.130434782608695) internal successors, (831), 23 states have internal predecessors, (831), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 582 [2024-12-02 14:32:40,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:32:40,100 INFO L225 Difference]: With dead ends: 2046 [2024-12-02 14:32:40,100 INFO L226 Difference]: Without dead ends: 2039 [2024-12-02 14:32:40,101 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1179 GetRequests, 1147 SyntacticMatches, 11 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 310 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-12-02 14:32:40,101 INFO L435 NwaCegarLoop]: 383 mSDtfsCounter, 3894 mSDsluCounter, 3815 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3920 SdHoareTripleChecker+Valid, 4198 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:32:40,102 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3920 Valid, 4198 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:32:40,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2039 states. [2024-12-02 14:32:40,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2039 to 2039. [2024-12-02 14:32:40,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2039 states, 2004 states have (on average 1.3867265469061876) internal successors, (2779), 2007 states have internal predecessors, (2779), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-12-02 14:32:40,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2039 states to 2039 states and 2839 transitions. [2024-12-02 14:32:40,158 INFO L78 Accepts]: Start accepts. Automaton has 2039 states and 2839 transitions. Word has length 582 [2024-12-02 14:32:40,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:32:40,159 INFO L471 AbstractCegarLoop]: Abstraction has 2039 states and 2839 transitions. [2024-12-02 14:32:40,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 36.130434782608695) internal successors, (831), 23 states have internal predecessors, (831), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-12-02 14:32:40,160 INFO L276 IsEmpty]: Start isEmpty. Operand 2039 states and 2839 transitions. [2024-12-02 14:32:40,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 823 [2024-12-02 14:32:40,168 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:32:40,169 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:32:40,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-12-02 14:32:40,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-12-02 14:32:40,369 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 14:32:40,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:32:40,370 INFO L85 PathProgramCache]: Analyzing trace with hash 1089262185, now seen corresponding path program 2 times [2024-12-02 14:32:40,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:32:40,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040805719] [2024-12-02 14:32:40,370 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 14:32:40,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:32:40,798 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 14:32:40,798 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 14:32:43,418 INFO L134 CoverageAnalysis]: Checked inductivity of 3636 backedges. 2929 proven. 703 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 14:32:43,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:32:43,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040805719] [2024-12-02 14:32:43,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040805719] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:32:43,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2131904522] [2024-12-02 14:32:43,419 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 14:32:43,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:32:43,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:32:43,420 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:32:43,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-12-02 14:32:44,616 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 14:32:44,616 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 14:32:44,631 INFO L256 TraceCheckSpWp]: Trace formula consists of 3977 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-02 14:32:44,644 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:32:45,385 INFO L134 CoverageAnalysis]: Checked inductivity of 3636 backedges. 3632 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-02 14:32:45,385 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:32:45,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2131904522] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:32:45,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:32:45,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [23] total 25 [2024-12-02 14:32:45,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597980725] [2024-12-02 14:32:45,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:32:45,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-12-02 14:32:45,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:32:45,387 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-12-02 14:32:45,387 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=451, Unknown=0, NotChecked=0, Total=600 [2024-12-02 14:32:45,388 INFO L87 Difference]: Start difference. First operand 2039 states and 2839 transitions. Second operand has 23 states, 23 states have (on average 35.43478260869565) internal successors, (815), 23 states have internal predecessors, (815), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 14:32:45,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:32:45,766 INFO L93 Difference]: Finished difference Result 2247 states and 3128 transitions. [2024-12-02 14:32:45,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-02 14:32:45,767 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 35.43478260869565) internal successors, (815), 23 states have internal predecessors, (815), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 822 [2024-12-02 14:32:45,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:32:45,772 INFO L225 Difference]: With dead ends: 2247 [2024-12-02 14:32:45,772 INFO L226 Difference]: Without dead ends: 2032 [2024-12-02 14:32:45,773 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 844 GetRequests, 821 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=149, Invalid=451, Unknown=0, NotChecked=0, Total=600 [2024-12-02 14:32:45,773 INFO L435 NwaCegarLoop]: 2413 mSDtfsCounter, 2150 mSDsluCounter, 12015 mSDsCounter, 0 mSdLazyCounter, 335 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2178 SdHoareTripleChecker+Valid, 14428 SdHoareTripleChecker+Invalid, 348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 14:32:45,774 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2178 Valid, 14428 Invalid, 348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 335 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 14:32:45,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2032 states. [2024-12-02 14:32:45,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2032 to 2032. [2024-12-02 14:32:45,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2032 states, 1999 states have (on average 1.386193096548274) internal successors, (2771), 2000 states have internal predecessors, (2771), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-12-02 14:32:45,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2032 states to 2032 states and 2831 transitions. [2024-12-02 14:32:45,827 INFO L78 Accepts]: Start accepts. Automaton has 2032 states and 2831 transitions. Word has length 822 [2024-12-02 14:32:45,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:32:45,828 INFO L471 AbstractCegarLoop]: Abstraction has 2032 states and 2831 transitions. [2024-12-02 14:32:45,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 35.43478260869565) internal successors, (815), 23 states have internal predecessors, (815), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 14:32:45,829 INFO L276 IsEmpty]: Start isEmpty. Operand 2032 states and 2831 transitions. [2024-12-02 14:32:45,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 823 [2024-12-02 14:32:45,837 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:32:45,837 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:32:45,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-12-02 14:32:46,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-12-02 14:32:46,038 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 14:32:46,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:32:46,038 INFO L85 PathProgramCache]: Analyzing trace with hash 1114598476, now seen corresponding path program 3 times [2024-12-02 14:32:46,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:32:46,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265942396] [2024-12-02 14:32:46,039 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-02 14:32:46,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:32:46,300 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-12-02 14:32:46,300 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 14:32:46,438 INFO L134 CoverageAnalysis]: Checked inductivity of 3596 backedges. 647 proven. 0 refuted. 0 times theorem prover too weak. 2949 trivial. 0 not checked. [2024-12-02 14:32:46,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:32:46,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265942396] [2024-12-02 14:32:46,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265942396] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:32:46,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:32:46,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 14:32:46,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247203994] [2024-12-02 14:32:46,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:32:46,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 14:32:46,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:32:46,440 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 14:32:46,440 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:32:46,440 INFO L87 Difference]: Start difference. First operand 2032 states and 2831 transitions. Second operand has 6 states, 6 states have (on average 28.333333333333332) internal successors, (170), 6 states have internal predecessors, (170), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 14:32:47,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:32:47,126 INFO L93 Difference]: Finished difference Result 5255 states and 7302 transitions. [2024-12-02 14:32:47,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 14:32:47,127 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 28.333333333333332) internal successors, (170), 6 states have internal predecessors, (170), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 822 [2024-12-02 14:32:47,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:32:47,133 INFO L225 Difference]: With dead ends: 5255 [2024-12-02 14:32:47,133 INFO L226 Difference]: Without dead ends: 3322 [2024-12-02 14:32:47,136 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-12-02 14:32:47,136 INFO L435 NwaCegarLoop]: 334 mSDtfsCounter, 194 mSDsluCounter, 832 mSDsCounter, 0 mSdLazyCounter, 752 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 1166 SdHoareTripleChecker+Invalid, 774 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 14:32:47,136 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 1166 Invalid, 774 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 752 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 14:32:47,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3322 states. [2024-12-02 14:32:47,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3322 to 2382. [2024-12-02 14:32:47,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2382 states, 2349 states have (on average 1.3754789272030652) internal successors, (3231), 2350 states have internal predecessors, (3231), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-12-02 14:32:47,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2382 states to 2382 states and 3291 transitions. [2024-12-02 14:32:47,186 INFO L78 Accepts]: Start accepts. Automaton has 2382 states and 3291 transitions. Word has length 822 [2024-12-02 14:32:47,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:32:47,186 INFO L471 AbstractCegarLoop]: Abstraction has 2382 states and 3291 transitions. [2024-12-02 14:32:47,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 28.333333333333332) internal successors, (170), 6 states have internal predecessors, (170), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 14:32:47,186 INFO L276 IsEmpty]: Start isEmpty. Operand 2382 states and 3291 transitions. [2024-12-02 14:32:47,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 833 [2024-12-02 14:32:47,193 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:32:47,193 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:32:47,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 14:32:47,193 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 14:32:47,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:32:47,194 INFO L85 PathProgramCache]: Analyzing trace with hash -123928764, now seen corresponding path program 1 times [2024-12-02 14:32:47,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:32:47,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101920258] [2024-12-02 14:32:47,194 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:32:47,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:32:47,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:32:49,468 INFO L134 CoverageAnalysis]: Checked inductivity of 3641 backedges. 334 proven. 0 refuted. 0 times theorem prover too weak. 3307 trivial. 0 not checked. [2024-12-02 14:32:49,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:32:49,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101920258] [2024-12-02 14:32:49,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101920258] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:32:49,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:32:49,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 14:32:49,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832882807] [2024-12-02 14:32:49,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:32:49,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 14:32:49,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:32:49,470 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 14:32:49,470 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:32:49,470 INFO L87 Difference]: Start difference. First operand 2382 states and 3291 transitions. Second operand has 6 states, 6 states have (on average 22.666666666666668) internal successors, (136), 6 states have internal predecessors, (136), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 14:32:49,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:32:49,934 INFO L93 Difference]: Finished difference Result 4695 states and 6493 transitions. [2024-12-02 14:32:49,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 14:32:49,935 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.666666666666668) internal successors, (136), 6 states have internal predecessors, (136), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 832 [2024-12-02 14:32:49,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:32:49,939 INFO L225 Difference]: With dead ends: 4695 [2024-12-02 14:32:49,939 INFO L226 Difference]: Without dead ends: 2442 [2024-12-02 14:32:49,941 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-12-02 14:32:49,942 INFO L435 NwaCegarLoop]: 281 mSDtfsCounter, 15 mSDsluCounter, 577 mSDsCounter, 0 mSdLazyCounter, 621 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 858 SdHoareTripleChecker+Invalid, 622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 621 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 14:32:49,942 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 858 Invalid, 622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 621 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 14:32:49,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2442 states. [2024-12-02 14:32:49,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2442 to 2422. [2024-12-02 14:32:49,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2422 states, 2389 states have (on average 1.3733779824194223) internal successors, (3281), 2390 states have internal predecessors, (3281), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-12-02 14:32:49,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2422 states to 2422 states and 3341 transitions. [2024-12-02 14:32:49,997 INFO L78 Accepts]: Start accepts. Automaton has 2422 states and 3341 transitions. Word has length 832 [2024-12-02 14:32:49,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:32:49,997 INFO L471 AbstractCegarLoop]: Abstraction has 2422 states and 3341 transitions. [2024-12-02 14:32:49,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.666666666666668) internal successors, (136), 6 states have internal predecessors, (136), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 14:32:49,998 INFO L276 IsEmpty]: Start isEmpty. Operand 2422 states and 3341 transitions. [2024-12-02 14:32:50,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 843 [2024-12-02 14:32:50,004 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:32:50,004 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:32:50,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 14:32:50,004 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 14:32:50,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:32:50,005 INFO L85 PathProgramCache]: Analyzing trace with hash -1625195924, now seen corresponding path program 1 times [2024-12-02 14:32:50,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:32:50,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435051889] [2024-12-02 14:32:50,005 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:32:50,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:32:50,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:32:52,080 INFO L134 CoverageAnalysis]: Checked inductivity of 3686 backedges. 388 proven. 0 refuted. 0 times theorem prover too weak. 3298 trivial. 0 not checked. [2024-12-02 14:32:52,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:32:52,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435051889] [2024-12-02 14:32:52,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435051889] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:32:52,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:32:52,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 14:32:52,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945451133] [2024-12-02 14:32:52,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:32:52,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 14:32:52,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:32:52,082 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 14:32:52,082 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 14:32:52,082 INFO L87 Difference]: Start difference. First operand 2422 states and 3341 transitions. Second operand has 9 states, 9 states have (on average 15.88888888888889) internal successors, (143), 9 states have internal predecessors, (143), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 14:32:52,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:32:52,780 INFO L93 Difference]: Finished difference Result 4858 states and 6709 transitions. [2024-12-02 14:32:52,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 14:32:52,781 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.88888888888889) internal successors, (143), 9 states have internal predecessors, (143), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 842 [2024-12-02 14:32:52,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:32:52,785 INFO L225 Difference]: With dead ends: 4858 [2024-12-02 14:32:52,785 INFO L226 Difference]: Without dead ends: 2562 [2024-12-02 14:32:52,787 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-12-02 14:32:52,787 INFO L435 NwaCegarLoop]: 283 mSDtfsCounter, 34 mSDsluCounter, 1198 mSDsCounter, 0 mSdLazyCounter, 980 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 1481 SdHoareTripleChecker+Invalid, 984 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 980 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 14:32:52,787 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 1481 Invalid, 984 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 980 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 14:32:52,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2562 states. [2024-12-02 14:32:52,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2562 to 2502. [2024-12-02 14:32:52,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2502 states, 2469 states have (on average 1.3653300931551235) internal successors, (3371), 2470 states have internal predecessors, (3371), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-12-02 14:32:52,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2502 states to 2502 states and 3431 transitions. [2024-12-02 14:32:52,846 INFO L78 Accepts]: Start accepts. Automaton has 2502 states and 3431 transitions. Word has length 842 [2024-12-02 14:32:52,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:32:52,846 INFO L471 AbstractCegarLoop]: Abstraction has 2502 states and 3431 transitions. [2024-12-02 14:32:52,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.88888888888889) internal successors, (143), 9 states have internal predecessors, (143), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 14:32:52,846 INFO L276 IsEmpty]: Start isEmpty. Operand 2502 states and 3431 transitions. [2024-12-02 14:32:52,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 853 [2024-12-02 14:32:52,856 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:32:52,856 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:32:52,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-02 14:32:52,856 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 14:32:52,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:32:52,857 INFO L85 PathProgramCache]: Analyzing trace with hash 1108785842, now seen corresponding path program 1 times [2024-12-02 14:32:52,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:32:52,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640211235] [2024-12-02 14:32:52,857 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:32:52,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:39:55,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:39:56,362 INFO L134 CoverageAnalysis]: Checked inductivity of 3731 backedges. 550 proven. 3 refuted. 0 times theorem prover too weak. 3178 trivial. 0 not checked. [2024-12-02 14:39:56,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:39:56,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640211235] [2024-12-02 14:39:56,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640211235] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:39:56,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1776297207] [2024-12-02 14:39:56,362 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:39:56,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:39:56,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:39:56,364 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:39:56,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-12-02 14:40:30,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:40:30,736 INFO L256 TraceCheckSpWp]: Trace formula consists of 3945 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-02 14:40:30,747 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:40:31,246 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2024-12-02 14:40:31,705 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 14:40:31,705 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 40 [2024-12-02 14:40:31,934 INFO L134 CoverageAnalysis]: Checked inductivity of 3731 backedges. 2036 proven. 997 refuted. 0 times theorem prover too weak. 698 trivial. 0 not checked. [2024-12-02 14:40:31,934 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:40:33,273 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2024-12-02 14:40:51,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1776297207] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:40:51,393 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 14:40:51,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 21] total 23 [2024-12-02 14:40:51,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003266790] [2024-12-02 14:40:51,394 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 14:40:51,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-12-02 14:40:51,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:40:51,396 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-12-02 14:40:51,397 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=1540, Unknown=1, NotChecked=0, Total=1722 [2024-12-02 14:40:51,397 INFO L87 Difference]: Start difference. First operand 2502 states and 3431 transitions. Second operand has 23 states, 23 states have (on average 26.956521739130434) internal successors, (620), 23 states have internal predecessors, (620), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2024-12-02 14:41:03,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:41:03,260 INFO L93 Difference]: Finished difference Result 4852 states and 6677 transitions. [2024-12-02 14:41:03,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-02 14:41:03,261 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 26.956521739130434) internal successors, (620), 23 states have internal predecessors, (620), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 852 [2024-12-02 14:41:03,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:41:03,271 INFO L225 Difference]: With dead ends: 4852 [2024-12-02 14:41:03,271 INFO L226 Difference]: Without dead ends: 2536 [2024-12-02 14:41:03,275 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1646 GetRequests, 1598 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=321, Invalid=2128, Unknown=1, NotChecked=0, Total=2450 [2024-12-02 14:41:03,276 INFO L435 NwaCegarLoop]: 1707 mSDtfsCounter, 1518 mSDsluCounter, 25830 mSDsCounter, 0 mSdLazyCounter, 7732 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1539 SdHoareTripleChecker+Valid, 27537 SdHoareTripleChecker+Invalid, 7745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 7732 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2024-12-02 14:41:03,276 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1539 Valid, 27537 Invalid, 7745 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13 Valid, 7732 Invalid, 0 Unknown, 0 Unchecked, 11.2s Time] [2024-12-02 14:41:03,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2536 states. [2024-12-02 14:41:03,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2536 to 2516. [2024-12-02 14:41:03,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2516 states, 2482 states have (on average 1.3654311039484286) internal successors, (3389), 2484 states have internal predecessors, (3389), 30 states have call successors, (30), 1 states have call predecessors, (30), 2 states have return successors, (40), 30 states have call predecessors, (40), 30 states have call successors, (40) [2024-12-02 14:41:03,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2516 states to 2516 states and 3459 transitions. [2024-12-02 14:41:03,326 INFO L78 Accepts]: Start accepts. Automaton has 2516 states and 3459 transitions. Word has length 852 [2024-12-02 14:41:03,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:41:03,327 INFO L471 AbstractCegarLoop]: Abstraction has 2516 states and 3459 transitions. [2024-12-02 14:41:03,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 26.956521739130434) internal successors, (620), 23 states have internal predecessors, (620), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2024-12-02 14:41:03,327 INFO L276 IsEmpty]: Start isEmpty. Operand 2516 states and 3459 transitions. [2024-12-02 14:41:03,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 855 [2024-12-02 14:41:03,333 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:41:03,333 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:41:03,392 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-12-02 14:41:03,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-12-02 14:41:03,534 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 14:41:03,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:41:03,534 INFO L85 PathProgramCache]: Analyzing trace with hash 24160184, now seen corresponding path program 1 times [2024-12-02 14:41:03,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:41:03,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762332482] [2024-12-02 14:41:03,534 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:41:03,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:41:03,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:41:04,856 INFO L134 CoverageAnalysis]: Checked inductivity of 3709 backedges. 2159 proven. 0 refuted. 0 times theorem prover too weak. 1550 trivial. 0 not checked. [2024-12-02 14:41:04,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:41:04,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762332482] [2024-12-02 14:41:04,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762332482] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:41:04,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:41:04,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 14:41:04,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804822538] [2024-12-02 14:41:04,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:41:04,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 14:41:04,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:41:04,858 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 14:41:04,858 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:41:04,858 INFO L87 Difference]: Start difference. First operand 2516 states and 3459 transitions. Second operand has 6 states, 6 states have (on average 36.333333333333336) internal successors, (218), 6 states have internal predecessors, (218), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 14:41:05,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:41:05,275 INFO L93 Difference]: Finished difference Result 4935 states and 6791 transitions. [2024-12-02 14:41:05,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 14:41:05,275 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 36.333333333333336) internal successors, (218), 6 states have internal predecessors, (218), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 854 [2024-12-02 14:41:05,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:41:05,281 INFO L225 Difference]: With dead ends: 4935 [2024-12-02 14:41:05,281 INFO L226 Difference]: Without dead ends: 2556 [2024-12-02 14:41:05,283 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:41:05,284 INFO L435 NwaCegarLoop]: 286 mSDtfsCounter, 9 mSDsluCounter, 479 mSDsCounter, 0 mSdLazyCounter, 457 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 765 SdHoareTripleChecker+Invalid, 458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 14:41:05,285 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 765 Invalid, 458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 457 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 14:41:05,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2556 states. [2024-12-02 14:41:05,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2556 to 2546. [2024-12-02 14:41:05,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2546 states, 2512 states have (on average 1.3610668789808917) internal successors, (3419), 2514 states have internal predecessors, (3419), 30 states have call successors, (30), 1 states have call predecessors, (30), 2 states have return successors, (40), 30 states have call predecessors, (40), 30 states have call successors, (40) [2024-12-02 14:41:05,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2546 states to 2546 states and 3489 transitions. [2024-12-02 14:41:05,345 INFO L78 Accepts]: Start accepts. Automaton has 2546 states and 3489 transitions. Word has length 854 [2024-12-02 14:41:05,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:41:05,346 INFO L471 AbstractCegarLoop]: Abstraction has 2546 states and 3489 transitions. [2024-12-02 14:41:05,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 36.333333333333336) internal successors, (218), 6 states have internal predecessors, (218), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 14:41:05,346 INFO L276 IsEmpty]: Start isEmpty. Operand 2546 states and 3489 transitions. [2024-12-02 14:41:05,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 855 [2024-12-02 14:41:05,354 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:41:05,354 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:41:05,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-12-02 14:41:05,354 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 14:41:05,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:41:05,355 INFO L85 PathProgramCache]: Analyzing trace with hash -184411754, now seen corresponding path program 1 times [2024-12-02 14:41:05,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:41:05,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567735481] [2024-12-02 14:41:05,355 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:41:05,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:41:05,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:41:06,136 INFO L134 CoverageAnalysis]: Checked inductivity of 3736 backedges. 2049 proven. 0 refuted. 0 times theorem prover too weak. 1687 trivial. 0 not checked. [2024-12-02 14:41:06,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:41:06,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567735481] [2024-12-02 14:41:06,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567735481] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:41:06,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:41:06,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:41:06,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232179651] [2024-12-02 14:41:06,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:41:06,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:41:06,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:41:06,138 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:41:06,138 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:41:06,138 INFO L87 Difference]: Start difference. First operand 2546 states and 3489 transitions. Second operand has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 14:41:06,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:41:06,198 INFO L93 Difference]: Finished difference Result 5110 states and 7021 transitions. [2024-12-02 14:41:06,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:41:06,198 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 854 [2024-12-02 14:41:06,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:41:06,207 INFO L225 Difference]: With dead ends: 5110 [2024-12-02 14:41:06,207 INFO L226 Difference]: Without dead ends: 2662 [2024-12-02 14:41:06,210 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:41:06,210 INFO L435 NwaCegarLoop]: 290 mSDtfsCounter, 1 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:41:06,210 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 558 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:41:06,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2662 states. [2024-12-02 14:41:06,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2662 to 2662. [2024-12-02 14:41:06,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2662 states, 2628 states have (on average 1.3436073059360731) internal successors, (3531), 2630 states have internal predecessors, (3531), 30 states have call successors, (30), 1 states have call predecessors, (30), 2 states have return successors, (40), 30 states have call predecessors, (40), 30 states have call successors, (40) [2024-12-02 14:41:06,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2662 states to 2662 states and 3601 transitions. [2024-12-02 14:41:06,281 INFO L78 Accepts]: Start accepts. Automaton has 2662 states and 3601 transitions. Word has length 854 [2024-12-02 14:41:06,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:41:06,281 INFO L471 AbstractCegarLoop]: Abstraction has 2662 states and 3601 transitions. [2024-12-02 14:41:06,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 14:41:06,281 INFO L276 IsEmpty]: Start isEmpty. Operand 2662 states and 3601 transitions. [2024-12-02 14:41:06,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 855 [2024-12-02 14:41:06,289 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:41:06,290 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:41:06,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-12-02 14:41:06,290 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 14:41:06,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:41:06,291 INFO L85 PathProgramCache]: Analyzing trace with hash -1594404842, now seen corresponding path program 1 times [2024-12-02 14:41:06,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:41:06,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76073040] [2024-12-02 14:41:06,291 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:41:06,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:41:06,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:41:07,015 INFO L134 CoverageAnalysis]: Checked inductivity of 3736 backedges. 2130 proven. 0 refuted. 0 times theorem prover too weak. 1606 trivial. 0 not checked. [2024-12-02 14:41:07,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:41:07,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76073040] [2024-12-02 14:41:07,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76073040] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:41:07,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:41:07,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 14:41:07,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817557742] [2024-12-02 14:41:07,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:41:07,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 14:41:07,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:41:07,017 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 14:41:07,017 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 14:41:07,017 INFO L87 Difference]: Start difference. First operand 2662 states and 3601 transitions. Second operand has 4 states, 4 states have (on average 50.75) internal successors, (203), 4 states have internal predecessors, (203), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 14:41:07,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:41:07,081 INFO L93 Difference]: Finished difference Result 4335 states and 5797 transitions. [2024-12-02 14:41:07,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 14:41:07,081 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 50.75) internal successors, (203), 4 states have internal predecessors, (203), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 854 [2024-12-02 14:41:07,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:41:07,085 INFO L225 Difference]: With dead ends: 4335 [2024-12-02 14:41:07,085 INFO L226 Difference]: Without dead ends: 1703 [2024-12-02 14:41:07,087 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:41:07,087 INFO L435 NwaCegarLoop]: 198 mSDtfsCounter, 9 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:41:07,088 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 575 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:41:07,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1703 states. [2024-12-02 14:41:07,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1703 to 1703. [2024-12-02 14:41:07,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1703 states, 1669 states have (on average 1.281006590772918) internal successors, (2138), 1671 states have internal predecessors, (2138), 30 states have call successors, (30), 1 states have call predecessors, (30), 2 states have return successors, (40), 30 states have call predecessors, (40), 30 states have call successors, (40) [2024-12-02 14:41:07,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1703 states and 2208 transitions. [2024-12-02 14:41:07,137 INFO L78 Accepts]: Start accepts. Automaton has 1703 states and 2208 transitions. Word has length 854 [2024-12-02 14:41:07,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:41:07,138 INFO L471 AbstractCegarLoop]: Abstraction has 1703 states and 2208 transitions. [2024-12-02 14:41:07,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 50.75) internal successors, (203), 4 states have internal predecessors, (203), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 14:41:07,138 INFO L276 IsEmpty]: Start isEmpty. Operand 1703 states and 2208 transitions. [2024-12-02 14:41:07,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 856 [2024-12-02 14:41:07,146 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:41:07,146 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:41:07,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-12-02 14:41:07,146 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 14:41:07,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:41:07,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1481100389, now seen corresponding path program 1 times [2024-12-02 14:41:07,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:41:07,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559218053] [2024-12-02 14:41:07,147 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:41:07,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:42:49,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:42:50,856 INFO L134 CoverageAnalysis]: Checked inductivity of 3709 backedges. 547 proven. 7 refuted. 0 times theorem prover too weak. 3155 trivial. 0 not checked. [2024-12-02 14:42:50,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:42:50,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559218053] [2024-12-02 14:42:50,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559218053] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:42:50,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1710135842] [2024-12-02 14:42:50,857 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:42:50,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:42:50,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:42:50,859 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:42:50,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-12-02 14:43:18,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:43:18,480 INFO L256 TraceCheckSpWp]: Trace formula consists of 3976 conjuncts, 87 conjuncts are in the unsatisfiable core [2024-12-02 14:43:18,490 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:43:18,503 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-12-02 14:43:18,526 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 7 [2024-12-02 14:43:19,229 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 55 [2024-12-02 14:43:19,433 INFO L134 CoverageAnalysis]: Checked inductivity of 3709 backedges. 316 proven. 0 refuted. 0 times theorem prover too weak. 3393 trivial. 0 not checked. [2024-12-02 14:43:19,433 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:43:19,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1710135842] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:43:19,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:43:19,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [5] total 15 [2024-12-02 14:43:19,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606384325] [2024-12-02 14:43:19,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:43:19,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 14:43:19,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:43:19,434 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 14:43:19,434 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2024-12-02 14:43:19,435 INFO L87 Difference]: Start difference. First operand 1703 states and 2208 transitions. Second operand has 12 states, 12 states have (on average 12.0) internal successors, (144), 12 states have internal predecessors, (144), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 14:43:22,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 14:43:22,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:43:22,490 INFO L93 Difference]: Finished difference Result 3349 states and 4349 transitions. [2024-12-02 14:43:22,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 14:43:22,490 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 12.0) internal successors, (144), 12 states have internal predecessors, (144), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 855 [2024-12-02 14:43:22,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:43:22,494 INFO L225 Difference]: With dead ends: 3349 [2024-12-02 14:43:22,494 INFO L226 Difference]: Without dead ends: 1699 [2024-12-02 14:43:22,495 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 867 GetRequests, 846 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=108, Invalid=398, Unknown=0, NotChecked=0, Total=506 [2024-12-02 14:43:22,495 INFO L435 NwaCegarLoop]: 222 mSDtfsCounter, 269 mSDsluCounter, 1077 mSDsCounter, 0 mSdLazyCounter, 724 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 1299 SdHoareTripleChecker+Invalid, 731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 724 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-12-02 14:43:22,495 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [271 Valid, 1299 Invalid, 731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 724 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-12-02 14:43:22,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1699 states. [2024-12-02 14:43:22,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1699 to 1691. [2024-12-02 14:43:22,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1691 states, 1657 states have (on average 1.2806276403138201) internal successors, (2122), 1659 states have internal predecessors, (2122), 30 states have call successors, (30), 1 states have call predecessors, (30), 2 states have return successors, (40), 30 states have call predecessors, (40), 30 states have call successors, (40) [2024-12-02 14:43:22,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1691 states to 1691 states and 2192 transitions. [2024-12-02 14:43:22,524 INFO L78 Accepts]: Start accepts. Automaton has 1691 states and 2192 transitions. Word has length 855 [2024-12-02 14:43:22,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:43:22,524 INFO L471 AbstractCegarLoop]: Abstraction has 1691 states and 2192 transitions. [2024-12-02 14:43:22,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 12.0) internal successors, (144), 12 states have internal predecessors, (144), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 14:43:22,524 INFO L276 IsEmpty]: Start isEmpty. Operand 1691 states and 2192 transitions. [2024-12-02 14:43:22,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 857 [2024-12-02 14:43:22,529 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:43:22,529 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:43:22,581 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-12-02 14:43:22,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccb91f68-a8ae-4106-9d8a-8d48f9ce0f12/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-12-02 14:43:22,729 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 14:43:22,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:43:22,730 INFO L85 PathProgramCache]: Analyzing trace with hash 750735410, now seen corresponding path program 2 times [2024-12-02 14:43:22,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:43:22,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57667100] [2024-12-02 14:43:22,730 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 14:43:22,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms