./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.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_c167b363-4d76-483f-a4a8-b3d0b580a951/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c167b363-4d76-483f-a4a8-b3d0b580a951/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_c167b363-4d76-483f-a4a8-b3d0b580a951/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c167b363-4d76-483f-a4a8-b3d0b580a951/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c167b363-4d76-483f-a4a8-b3d0b580a951/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_c167b363-4d76-483f-a4a8-b3d0b580a951/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 0286582125bb2879636b8cf3b934bed172850a3a3b0d880c07306d10439134a7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 11:02:24,916 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 11:02:24,969 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c167b363-4d76-483f-a4a8-b3d0b580a951/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-12-02 11:02:24,973 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 11:02:24,974 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 11:02:24,995 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 11:02:24,996 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 11:02:24,996 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 11:02:24,996 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 11:02:24,996 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 11:02:24,996 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 11:02:24,996 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 11:02:24,997 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 11:02:24,997 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 11:02:24,997 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 11:02:24,997 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 11:02:24,997 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 11:02:24,997 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 11:02:24,997 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 11:02:24,997 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 11:02:24,997 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 11:02:24,997 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 11:02:24,998 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 11:02:24,998 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 11:02:24,998 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-02 11:02:24,998 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 11:02:24,998 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 11:02:24,998 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 11:02:24,998 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 11:02:24,998 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 11:02:24,998 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 11:02:24,998 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:02:24,998 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:02:24,998 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:02:24,998 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:02:24,999 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 11:02:24,999 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:02:24,999 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:02:24,999 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:02:24,999 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:02:24,999 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 11:02:24,999 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 11:02:24,999 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 11:02:24,999 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 11:02:24,999 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 11:02:24,999 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 11:02:24,999 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 11:02:24,999 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 11:02:25,000 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 11:02:25,000 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 11:02:25,000 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_c167b363-4d76-483f-a4a8-b3d0b580a951/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 -> 0286582125bb2879636b8cf3b934bed172850a3a3b0d880c07306d10439134a7 [2024-12-02 11:02:25,231 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 11:02:25,238 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 11:02:25,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 11:02:25,240 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 11:02:25,241 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 11:02:25,241 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c167b363-4d76-483f-a4a8-b3d0b580a951/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i [2024-12-02 11:02:27,952 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c167b363-4d76-483f-a4a8-b3d0b580a951/bin/uautomizer-verify-84ZbGMXZE1/data/d56238442/9dd90465c21d4b0ea49526d7058219be/FLAGc4c29d5c2 [2024-12-02 11:02:28,138 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 11:02:28,139 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c167b363-4d76-483f-a4a8-b3d0b580a951/sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i [2024-12-02 11:02:28,144 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c167b363-4d76-483f-a4a8-b3d0b580a951/bin/uautomizer-verify-84ZbGMXZE1/data/d56238442/9dd90465c21d4b0ea49526d7058219be/FLAGc4c29d5c2 [2024-12-02 11:02:28,501 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c167b363-4d76-483f-a4a8-b3d0b580a951/bin/uautomizer-verify-84ZbGMXZE1/data/d56238442/9dd90465c21d4b0ea49526d7058219be [2024-12-02 11:02:28,502 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 11:02:28,504 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 11:02:28,504 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 11:02:28,504 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 11:02:28,507 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 11:02:28,508 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:02:28" (1/1) ... [2024-12-02 11:02:28,508 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61d4514b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:28, skipping insertion in model container [2024-12-02 11:02:28,509 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:02:28" (1/1) ... [2024-12-02 11:02:28,519 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 11:02:28,629 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:02:28,637 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 11:02:28,658 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:02:28,672 INFO L204 MainTranslator]: Completed translation [2024-12-02 11:02:28,673 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:28 WrapperNode [2024-12-02 11:02:28,673 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 11:02:28,674 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 11:02:28,674 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 11:02:28,674 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 11:02:28,681 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:28" (1/1) ... [2024-12-02 11:02:28,688 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:28" (1/1) ... [2024-12-02 11:02:28,709 INFO L138 Inliner]: procedures = 18, calls = 30, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 184 [2024-12-02 11:02:28,709 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 11:02:28,709 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 11:02:28,709 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 11:02:28,710 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 11:02:28,718 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:28" (1/1) ... [2024-12-02 11:02:28,719 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:28" (1/1) ... [2024-12-02 11:02:28,721 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:28" (1/1) ... [2024-12-02 11:02:28,734 INFO L175 MemorySlicer]: Split 14 memory accesses to 3 slices as follows [2, 3, 9]. 64 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 3 writes are split as follows [0, 1, 2]. [2024-12-02 11:02:28,734 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:28" (1/1) ... [2024-12-02 11:02:28,734 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:28" (1/1) ... [2024-12-02 11:02:28,741 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:28" (1/1) ... [2024-12-02 11:02:28,742 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:28" (1/1) ... [2024-12-02 11:02:28,747 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:28" (1/1) ... [2024-12-02 11:02:28,748 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:28" (1/1) ... [2024-12-02 11:02:28,749 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:28" (1/1) ... [2024-12-02 11:02:28,752 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 11:02:28,753 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 11:02:28,753 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 11:02:28,753 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 11:02:28,754 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:28" (1/1) ... [2024-12-02 11:02:28,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:02:28,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c167b363-4d76-483f-a4a8-b3d0b580a951/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:02:28,778 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c167b363-4d76-483f-a4a8-b3d0b580a951/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 11:02:28,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c167b363-4d76-483f-a4a8-b3d0b580a951/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 11:02:28,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 11:02:28,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 11:02:28,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 11:02:28,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 11:02:28,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 11:02:28,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 11:02:28,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 11:02:28,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 11:02:28,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 11:02:28,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 11:02:28,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 11:02:28,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 11:02:28,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 11:02:28,802 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-02 11:02:28,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-02 11:02:28,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 11:02:28,876 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 11:02:28,878 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 11:02:29,153 INFO L? ?]: Removed 72 outVars from TransFormulas that were not future-live. [2024-12-02 11:02:29,154 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 11:02:29,163 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 11:02:29,163 INFO L312 CfgBuilder]: Removed 10 assume(true) statements. [2024-12-02 11:02:29,163 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:02:29 BoogieIcfgContainer [2024-12-02 11:02:29,163 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 11:02:29,165 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 11:02:29,165 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 11:02:29,169 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 11:02:29,170 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 11:02:28" (1/3) ... [2024-12-02 11:02:29,170 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@576b1039 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:02:29, skipping insertion in model container [2024-12-02 11:02:29,170 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:28" (2/3) ... [2024-12-02 11:02:29,170 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@576b1039 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:02:29, skipping insertion in model container [2024-12-02 11:02:29,171 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:02:29" (3/3) ... [2024-12-02 11:02:29,172 INFO L128 eAbstractionObserver]: Analyzing ICFG data_structures_set_multi_proc_trivial_ground.i [2024-12-02 11:02:29,186 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 11:02:29,188 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG data_structures_set_multi_proc_trivial_ground.i that has 2 procedures, 106 locations, 1 initial locations, 10 loop locations, and 28 error locations. [2024-12-02 11:02:29,236 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 11:02:29,248 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;@2abe8b6f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 11:02:29,248 INFO L334 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2024-12-02 11:02:29,252 INFO L276 IsEmpty]: Start isEmpty. Operand has 106 states, 73 states have (on average 1.7123287671232876) internal successors, (125), 101 states have internal predecessors, (125), 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 11:02:29,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-02 11:02:29,257 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:02:29,258 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-12-02 11:02:29,258 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 11:02:29,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:02:29,263 INFO L85 PathProgramCache]: Analyzing trace with hash 28696806, now seen corresponding path program 1 times [2024-12-02 11:02:29,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:02:29,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172678931] [2024-12-02 11:02:29,272 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:02:29,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:02:29,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:02:29,470 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 11:02:29,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:02:29,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172678931] [2024-12-02 11:02:29,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172678931] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:02:29,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:02:29,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:02:29,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813416365] [2024-12-02 11:02:29,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:02:29,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 11:02:29,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:02:29,495 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 11:02:29,496 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:02:29,498 INFO L87 Difference]: Start difference. First operand has 106 states, 73 states have (on average 1.7123287671232876) internal successors, (125), 101 states have internal predecessors, (125), 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 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 11:02:29,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:02:29,669 INFO L93 Difference]: Finished difference Result 245 states and 322 transitions. [2024-12-02 11:02:29,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 11:02:29,671 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-12-02 11:02:29,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:02:29,678 INFO L225 Difference]: With dead ends: 245 [2024-12-02 11:02:29,678 INFO L226 Difference]: Without dead ends: 139 [2024-12-02 11:02:29,681 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 11:02:29,683 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 34 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 11:02:29,684 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 281 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 11:02:29,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2024-12-02 11:02:29,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 112. [2024-12-02 11:02:29,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 80 states have (on average 1.5125) internal successors, (121), 107 states have internal predecessors, (121), 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 11:02:29,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 127 transitions. [2024-12-02 11:02:29,724 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 127 transitions. Word has length 5 [2024-12-02 11:02:29,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:02:29,724 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 127 transitions. [2024-12-02 11:02:29,724 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 11:02:29,724 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 127 transitions. [2024-12-02 11:02:29,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-02 11:02:29,725 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:02:29,725 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2024-12-02 11:02:29,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 11:02:29,725 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 11:02:29,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:02:29,726 INFO L85 PathProgramCache]: Analyzing trace with hash -2138801440, now seen corresponding path program 1 times [2024-12-02 11:02:29,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:02:29,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269027117] [2024-12-02 11:02:29,726 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:02:29,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:02:29,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:02:29,840 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:02:29,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:02:29,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269027117] [2024-12-02 11:02:29,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269027117] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:02:29,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [770703476] [2024-12-02 11:02:29,840 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:02:29,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:02:29,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c167b363-4d76-483f-a4a8-b3d0b580a951/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:02:29,842 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c167b363-4d76-483f-a4a8-b3d0b580a951/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:02:29,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c167b363-4d76-483f-a4a8-b3d0b580a951/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 11:02:29,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:02:29,902 INFO L256 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 11:02:29,906 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:02:29,964 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:02:29,964 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:02:29,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [770703476] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:02:29,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:02:29,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-12-02 11:02:29,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339704538] [2024-12-02 11:02:29,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:02:29,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 11:02:29,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:02:29,966 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 11:02:29,966 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-12-02 11:02:29,966 INFO L87 Difference]: Start difference. First operand 112 states and 127 transitions. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 11:02:30,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:02:30,119 INFO L93 Difference]: Finished difference Result 139 states and 160 transitions. [2024-12-02 11:02:30,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 11:02:30,121 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-12-02 11:02:30,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:02:30,122 INFO L225 Difference]: With dead ends: 139 [2024-12-02 11:02:30,122 INFO L226 Difference]: Without dead ends: 138 [2024-12-02 11:02:30,122 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 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 11:02:30,123 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 34 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 11:02:30,123 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 409 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 11:02:30,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2024-12-02 11:02:30,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 111. [2024-12-02 11:02:30,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 80 states have (on average 1.5) internal successors, (120), 106 states have internal predecessors, (120), 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 11:02:30,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 126 transitions. [2024-12-02 11:02:30,133 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 126 transitions. Word has length 9 [2024-12-02 11:02:30,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:02:30,133 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 126 transitions. [2024-12-02 11:02:30,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 11:02:30,134 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 126 transitions. [2024-12-02 11:02:30,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-02 11:02:30,134 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:02:30,134 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1] [2024-12-02 11:02:30,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c167b363-4d76-483f-a4a8-b3d0b580a951/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 11:02:30,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c167b363-4d76-483f-a4a8-b3d0b580a951/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-12-02 11:02:30,335 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 11:02:30,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:02:30,335 INFO L85 PathProgramCache]: Analyzing trace with hash -1878335154, now seen corresponding path program 1 times [2024-12-02 11:02:30,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:02:30,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728140534] [2024-12-02 11:02:30,336 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:02:30,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:02:30,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:02:30,384 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-02 11:02:30,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:02:30,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728140534] [2024-12-02 11:02:30,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728140534] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:02:30,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:02:30,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:02:30,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102919115] [2024-12-02 11:02:30,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:02:30,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 11:02:30,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:02:30,385 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 11:02:30,385 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:02:30,385 INFO L87 Difference]: Start difference. First operand 111 states and 126 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 11:02:30,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:02:30,468 INFO L93 Difference]: Finished difference Result 138 states and 159 transitions. [2024-12-02 11:02:30,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 11:02:30,469 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-12-02 11:02:30,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:02:30,470 INFO L225 Difference]: With dead ends: 138 [2024-12-02 11:02:30,470 INFO L226 Difference]: Without dead ends: 137 [2024-12-02 11:02:30,470 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 11:02:30,471 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 33 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 11:02:30,471 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 252 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 11:02:30,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2024-12-02 11:02:30,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 107. [2024-12-02 11:02:30,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 77 states have (on average 1.5064935064935066) internal successors, (116), 102 states have internal predecessors, (116), 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 11:02:30,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 122 transitions. [2024-12-02 11:02:30,480 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 122 transitions. Word has length 10 [2024-12-02 11:02:30,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:02:30,480 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 122 transitions. [2024-12-02 11:02:30,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 11:02:30,480 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 122 transitions. [2024-12-02 11:02:30,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-02 11:02:30,480 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:02:30,481 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:02:30,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 11:02:30,481 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 11:02:30,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:02:30,481 INFO L85 PathProgramCache]: Analyzing trace with hash -630233616, now seen corresponding path program 1 times [2024-12-02 11:02:30,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:02:30,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565581843] [2024-12-02 11:02:30,482 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:02:30,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:02:30,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:02:30,552 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:02:30,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:02:30,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565581843] [2024-12-02 11:02:30,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565581843] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:02:30,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [423965932] [2024-12-02 11:02:30,553 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:02:30,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:02:30,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c167b363-4d76-483f-a4a8-b3d0b580a951/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:02:30,555 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c167b363-4d76-483f-a4a8-b3d0b580a951/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:02:30,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c167b363-4d76-483f-a4a8-b3d0b580a951/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 11:02:30,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:02:30,610 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 11:02:30,611 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:02:30,638 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:02:30,638 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:02:30,671 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:02:30,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [423965932] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 11:02:30,672 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 11:02:30,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-12-02 11:02:30,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105924161] [2024-12-02 11:02:30,672 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 11:02:30,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 11:02:30,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:02:30,672 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 11:02:30,672 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-12-02 11:02:30,673 INFO L87 Difference]: Start difference. First operand 107 states and 122 transitions. Second operand has 10 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 11:02:30,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:02:30,810 INFO L93 Difference]: Finished difference Result 242 states and 279 transitions. [2024-12-02 11:02:30,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 11:02:30,810 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-12-02 11:02:30,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:02:30,812 INFO L225 Difference]: With dead ends: 242 [2024-12-02 11:02:30,812 INFO L226 Difference]: Without dead ends: 142 [2024-12-02 11:02:30,812 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 21 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 11:02:30,813 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 68 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 11:02:30,813 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 415 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 11:02:30,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2024-12-02 11:02:30,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 115. [2024-12-02 11:02:30,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 85 states have (on average 1.4588235294117646) internal successors, (124), 110 states have internal predecessors, (124), 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 11:02:30,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 130 transitions. [2024-12-02 11:02:30,822 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 130 transitions. Word has length 13 [2024-12-02 11:02:30,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:02:30,822 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 130 transitions. [2024-12-02 11:02:30,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 11:02:30,823 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 130 transitions. [2024-12-02 11:02:30,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-02 11:02:30,823 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:02:30,823 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:02:30,832 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c167b363-4d76-483f-a4a8-b3d0b580a951/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 11:02:31,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c167b363-4d76-483f-a4a8-b3d0b580a951/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:02:31,024 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 11:02:31,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:02:31,024 INFO L85 PathProgramCache]: Analyzing trace with hash 1359927524, now seen corresponding path program 2 times [2024-12-02 11:02:31,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:02:31,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381592310] [2024-12-02 11:02:31,025 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 11:02:31,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:02:31,037 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-02 11:02:31,038 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 11:02:31,075 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-02 11:02:31,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:02:31,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381592310] [2024-12-02 11:02:31,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381592310] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:02:31,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:02:31,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:02:31,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598785804] [2024-12-02 11:02:31,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:02:31,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 11:02:31,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:02:31,076 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 11:02:31,076 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:02:31,077 INFO L87 Difference]: Start difference. First operand 115 states and 130 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 11:02:31,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:02:31,120 INFO L93 Difference]: Finished difference Result 232 states and 265 transitions. [2024-12-02 11:02:31,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 11:02:31,121 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2024-12-02 11:02:31,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:02:31,122 INFO L225 Difference]: With dead ends: 232 [2024-12-02 11:02:31,122 INFO L226 Difference]: Without dead ends: 159 [2024-12-02 11:02:31,123 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 11:02:31,123 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 41 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:02:31,124 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 309 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:02:31,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2024-12-02 11:02:31,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 120. [2024-12-02 11:02:31,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 90 states have (on average 1.4333333333333333) internal successors, (129), 115 states have internal predecessors, (129), 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 11:02:31,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 135 transitions. [2024-12-02 11:02:31,133 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 135 transitions. Word has length 21 [2024-12-02 11:02:31,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:02:31,133 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 135 transitions. [2024-12-02 11:02:31,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 11:02:31,134 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 135 transitions. [2024-12-02 11:02:31,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-02 11:02:31,134 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:02:31,135 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:02:31,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 11:02:31,135 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 11:02:31,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:02:31,135 INFO L85 PathProgramCache]: Analyzing trace with hash -877925907, now seen corresponding path program 1 times [2024-12-02 11:02:31,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:02:31,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081731429] [2024-12-02 11:02:31,135 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:02:31,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:02:31,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:02:31,213 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-02 11:02:31,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:02:31,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081731429] [2024-12-02 11:02:31,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081731429] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:02:31,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:02:31,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 11:02:31,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856555769] [2024-12-02 11:02:31,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:02:31,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 11:02:31,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:02:31,214 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 11:02:31,214 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:02:31,214 INFO L87 Difference]: Start difference. First operand 120 states and 135 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 11:02:31,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:02:31,272 INFO L93 Difference]: Finished difference Result 224 states and 254 transitions. [2024-12-02 11:02:31,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 11:02:31,274 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2024-12-02 11:02:31,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:02:31,275 INFO L225 Difference]: With dead ends: 224 [2024-12-02 11:02:31,275 INFO L226 Difference]: Without dead ends: 119 [2024-12-02 11:02:31,275 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 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 11:02:31,276 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 32 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:02:31,276 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 204 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:02:31,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-12-02 11:02:31,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 114. [2024-12-02 11:02:31,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 91 states have (on average 1.4065934065934067) internal successors, (128), 110 states have internal predecessors, (128), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 11:02:31,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 132 transitions. [2024-12-02 11:02:31,284 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 132 transitions. Word has length 22 [2024-12-02 11:02:31,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:02:31,284 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 132 transitions. [2024-12-02 11:02:31,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 11:02:31,284 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 132 transitions. [2024-12-02 11:02:31,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-02 11:02:31,285 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:02:31,285 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:02:31,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 11:02:31,285 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 11:02:31,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:02:31,285 INFO L85 PathProgramCache]: Analyzing trace with hash 178322078, now seen corresponding path program 1 times [2024-12-02 11:02:31,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:02:31,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087427341] [2024-12-02 11:02:31,286 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:02:31,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:02:31,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:02:31,411 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-02 11:02:31,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:02:31,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087427341] [2024-12-02 11:02:31,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087427341] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:02:31,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1763088250] [2024-12-02 11:02:31,412 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:02:31,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:02:31,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c167b363-4d76-483f-a4a8-b3d0b580a951/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:02:31,413 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c167b363-4d76-483f-a4a8-b3d0b580a951/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:02:31,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c167b363-4d76-483f-a4a8-b3d0b580a951/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 11:02:31,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:02:31,480 INFO L256 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 11:02:31,481 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:02:31,522 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-02 11:02:31,522 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:02:31,623 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-02 11:02:31,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1763088250] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 11:02:31,623 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 11:02:31,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-12-02 11:02:31,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893129982] [2024-12-02 11:02:31,623 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 11:02:31,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-12-02 11:02:31,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:02:31,624 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-12-02 11:02:31,624 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-12-02 11:02:31,624 INFO L87 Difference]: Start difference. First operand 114 states and 132 transitions. Second operand has 18 states, 18 states have (on average 2.3333333333333335) internal successors, (42), 18 states have internal predecessors, (42), 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 11:02:31,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:02:31,757 INFO L93 Difference]: Finished difference Result 247 states and 290 transitions. [2024-12-02 11:02:31,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 11:02:31,757 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.3333333333333335) internal successors, (42), 18 states have internal predecessors, (42), 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 25 [2024-12-02 11:02:31,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:02:31,758 INFO L225 Difference]: With dead ends: 247 [2024-12-02 11:02:31,758 INFO L226 Difference]: Without dead ends: 148 [2024-12-02 11:02:31,759 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 41 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 11:02:31,759 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 24 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 553 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 11:02:31,760 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 553 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 11:02:31,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2024-12-02 11:02:31,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 130. [2024-12-02 11:02:31,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 107 states have (on average 1.3457943925233644) internal successors, (144), 126 states have internal predecessors, (144), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 11:02:31,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 148 transitions. [2024-12-02 11:02:31,768 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 148 transitions. Word has length 25 [2024-12-02 11:02:31,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:02:31,768 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 148 transitions. [2024-12-02 11:02:31,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.3333333333333335) internal successors, (42), 18 states have internal predecessors, (42), 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 11:02:31,768 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 148 transitions. [2024-12-02 11:02:31,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-12-02 11:02:31,769 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:02:31,769 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:02:31,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c167b363-4d76-483f-a4a8-b3d0b580a951/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 11:02:31,969 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c167b363-4d76-483f-a4a8-b3d0b580a951/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:02:31,970 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 11:02:31,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:02:31,970 INFO L85 PathProgramCache]: Analyzing trace with hash 1220808838, now seen corresponding path program 2 times [2024-12-02 11:02:31,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:02:31,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802818239] [2024-12-02 11:02:31,970 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 11:02:31,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:02:31,993 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 11:02:31,993 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 11:02:32,078 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-12-02 11:02:32,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:02:32,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802818239] [2024-12-02 11:02:32,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802818239] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:02:32,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [520789941] [2024-12-02 11:02:32,079 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 11:02:32,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:02:32,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c167b363-4d76-483f-a4a8-b3d0b580a951/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:02:32,081 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c167b363-4d76-483f-a4a8-b3d0b580a951/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:02:32,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c167b363-4d76-483f-a4a8-b3d0b580a951/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 11:02:32,156 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 11:02:32,156 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 11:02:32,157 INFO L256 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-02 11:02:32,158 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:02:32,374 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-02 11:02:32,374 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:02:32,706 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-02 11:02:32,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [520789941] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 11:02:32,706 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 11:02:32,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 17, 17] total 36 [2024-12-02 11:02:32,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380473466] [2024-12-02 11:02:32,706 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 11:02:32,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-12-02 11:02:32,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:02:32,707 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-12-02 11:02:32,708 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=280, Invalid=980, Unknown=0, NotChecked=0, Total=1260 [2024-12-02 11:02:32,708 INFO L87 Difference]: Start difference. First operand 130 states and 148 transitions. Second operand has 36 states, 36 states have (on average 2.361111111111111) internal successors, (85), 36 states have internal predecessors, (85), 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 11:02:32,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:02:32,989 INFO L93 Difference]: Finished difference Result 330 states and 387 transitions. [2024-12-02 11:02:32,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-12-02 11:02:32,989 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 2.361111111111111) internal successors, (85), 36 states have internal predecessors, (85), 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 41 [2024-12-02 11:02:32,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:02:32,990 INFO L225 Difference]: With dead ends: 330 [2024-12-02 11:02:32,990 INFO L226 Difference]: Without dead ends: 231 [2024-12-02 11:02:32,991 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 243 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=299, Invalid=1033, Unknown=0, NotChecked=0, Total=1332 [2024-12-02 11:02:32,992 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 122 mSDsluCounter, 603 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 666 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 11:02:32,992 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 666 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 396 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 11:02:32,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2024-12-02 11:02:33,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 161. [2024-12-02 11:02:33,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 139 states have (on average 1.2589928057553956) internal successors, (175), 157 states have internal predecessors, (175), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 11:02:33,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 179 transitions. [2024-12-02 11:02:33,002 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 179 transitions. Word has length 41 [2024-12-02 11:02:33,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:02:33,002 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 179 transitions. [2024-12-02 11:02:33,002 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 2.361111111111111) internal successors, (85), 36 states have internal predecessors, (85), 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 11:02:33,002 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 179 transitions. [2024-12-02 11:02:33,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-12-02 11:02:33,004 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:02:33,004 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:02:33,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c167b363-4d76-483f-a4a8-b3d0b580a951/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 11:02:33,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c167b363-4d76-483f-a4a8-b3d0b580a951/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:02:33,204 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 11:02:33,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:02:33,205 INFO L85 PathProgramCache]: Analyzing trace with hash -1445347629, now seen corresponding path program 1 times [2024-12-02 11:02:33,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:02:33,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116187790] [2024-12-02 11:02:33,205 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:02:33,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:02:33,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:02:33,313 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2024-12-02 11:02:33,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:02:33,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116187790] [2024-12-02 11:02:33,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116187790] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:02:33,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:02:33,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:02:33,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483130162] [2024-12-02 11:02:33,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:02:33,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 11:02:33,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:02:33,315 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 11:02:33,315 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:02:33,315 INFO L87 Difference]: Start difference. First operand 161 states and 179 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 11:02:33,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:02:33,340 INFO L93 Difference]: Finished difference Result 162 states and 180 transitions. [2024-12-02 11:02:33,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 11:02:33,340 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2024-12-02 11:02:33,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:02:33,341 INFO L225 Difference]: With dead ends: 162 [2024-12-02 11:02:33,341 INFO L226 Difference]: Without dead ends: 161 [2024-12-02 11:02:33,342 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 11:02:33,342 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 40 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:02:33,342 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 195 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:02:33,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2024-12-02 11:02:33,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 157. [2024-12-02 11:02:33,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 136 states have (on average 1.2573529411764706) internal successors, (171), 153 states have internal predecessors, (171), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 11:02:33,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 175 transitions. [2024-12-02 11:02:33,349 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 175 transitions. Word has length 74 [2024-12-02 11:02:33,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:02:33,350 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 175 transitions. [2024-12-02 11:02:33,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 11:02:33,350 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 175 transitions. [2024-12-02 11:02:33,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-12-02 11:02:33,351 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:02:33,351 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:02:33,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 11:02:33,351 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 11:02:33,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:02:33,351 INFO L85 PathProgramCache]: Analyzing trace with hash 584485121, now seen corresponding path program 1 times [2024-12-02 11:02:33,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:02:33,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679116817] [2024-12-02 11:02:33,352 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:02:33,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:02:33,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:02:33,482 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-12-02 11:02:33,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:02:33,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679116817] [2024-12-02 11:02:33,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679116817] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:02:33,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1627965718] [2024-12-02 11:02:33,482 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:02:33,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:02:33,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c167b363-4d76-483f-a4a8-b3d0b580a951/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:02:33,484 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c167b363-4d76-483f-a4a8-b3d0b580a951/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:02:33,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c167b363-4d76-483f-a4a8-b3d0b580a951/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 11:02:33,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:02:33,588 INFO L256 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-02 11:02:33,591 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:02:34,106 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-02 11:02:34,106 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:02:34,999 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-02 11:02:34,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1627965718] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 11:02:34,999 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 11:02:34,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 33, 33] total 67 [2024-12-02 11:02:34,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663447329] [2024-12-02 11:02:34,999 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 11:02:34,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2024-12-02 11:02:35,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:02:35,000 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2024-12-02 11:02:35,002 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1063, Invalid=3359, Unknown=0, NotChecked=0, Total=4422 [2024-12-02 11:02:35,002 INFO L87 Difference]: Start difference. First operand 157 states and 175 transitions. Second operand has 67 states, 67 states have (on average 2.298507462686567) internal successors, (154), 67 states have internal predecessors, (154), 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 11:02:35,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:02:35,327 INFO L93 Difference]: Finished difference Result 390 states and 455 transitions. [2024-12-02 11:02:35,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-12-02 11:02:35,328 INFO L78 Accepts]: Start accepts. Automaton has has 67 states, 67 states have (on average 2.298507462686567) internal successors, (154), 67 states have internal predecessors, (154), 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 78 [2024-12-02 11:02:35,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:02:35,329 INFO L225 Difference]: With dead ends: 390 [2024-12-02 11:02:35,329 INFO L226 Difference]: Without dead ends: 296 [2024-12-02 11:02:35,331 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1185 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1099, Invalid=3457, Unknown=0, NotChecked=0, Total=4556 [2024-12-02 11:02:35,331 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 208 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 456 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 775 SdHoareTripleChecker+Invalid, 481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 11:02:35,332 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 775 Invalid, 481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 456 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 11:02:35,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2024-12-02 11:02:35,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 225. [2024-12-02 11:02:35,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 204 states have (on average 1.1715686274509804) internal successors, (239), 221 states have internal predecessors, (239), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 11:02:35,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 243 transitions. [2024-12-02 11:02:35,344 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 243 transitions. Word has length 78 [2024-12-02 11:02:35,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:02:35,345 INFO L471 AbstractCegarLoop]: Abstraction has 225 states and 243 transitions. [2024-12-02 11:02:35,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 2.298507462686567) internal successors, (154), 67 states have internal predecessors, (154), 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 11:02:35,345 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 243 transitions. [2024-12-02 11:02:35,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-12-02 11:02:35,346 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:02:35,346 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 31, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:02:35,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c167b363-4d76-483f-a4a8-b3d0b580a951/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-02 11:02:35,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c167b363-4d76-483f-a4a8-b3d0b580a951/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-12-02 11:02:35,547 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 11:02:35,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:02:35,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1016770791, now seen corresponding path program 2 times [2024-12-02 11:02:35,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:02:35,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253977860] [2024-12-02 11:02:35,547 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 11:02:35,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:02:35,572 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-02 11:02:35,573 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 11:02:35,599 INFO L134 CoverageAnalysis]: Checked inductivity of 1897 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1897 trivial. 0 not checked. [2024-12-02 11:02:35,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:02:35,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253977860] [2024-12-02 11:02:35,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253977860] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:02:35,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:02:35,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:02:35,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768619043] [2024-12-02 11:02:35,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:02:35,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 11:02:35,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:02:35,600 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 11:02:35,601 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:02:35,601 INFO L87 Difference]: Start difference. First operand 225 states and 243 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 11:02:35,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:02:35,625 INFO L93 Difference]: Finished difference Result 239 states and 263 transitions. [2024-12-02 11:02:35,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 11:02:35,625 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 146 [2024-12-02 11:02:35,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:02:35,627 INFO L225 Difference]: With dead ends: 239 [2024-12-02 11:02:35,627 INFO L226 Difference]: Without dead ends: 237 [2024-12-02 11:02:35,627 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 11:02:35,628 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 2 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:02:35,628 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 241 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:02:35,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2024-12-02 11:02:35,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 235. [2024-12-02 11:02:35,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 214 states have (on average 1.1822429906542056) internal successors, (253), 231 states have internal predecessors, (253), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 11:02:35,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 257 transitions. [2024-12-02 11:02:35,638 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 257 transitions. Word has length 146 [2024-12-02 11:02:35,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:02:35,638 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 257 transitions. [2024-12-02 11:02:35,638 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 11:02:35,638 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 257 transitions. [2024-12-02 11:02:35,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-12-02 11:02:35,640 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:02:35,640 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 31, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:02:35,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 11:02:35,640 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 11:02:35,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:02:35,641 INFO L85 PathProgramCache]: Analyzing trace with hash 1457367874, now seen corresponding path program 1 times [2024-12-02 11:02:35,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:02:35,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172314844] [2024-12-02 11:02:35,641 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:02:35,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:02:35,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:02:35,823 INFO L134 CoverageAnalysis]: Checked inductivity of 1897 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1897 trivial. 0 not checked. [2024-12-02 11:02:35,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:02:35,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172314844] [2024-12-02 11:02:35,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172314844] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:02:35,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:02:35,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 11:02:35,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078618741] [2024-12-02 11:02:35,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:02:35,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 11:02:35,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:02:35,824 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 11:02:35,824 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:02:35,824 INFO L87 Difference]: Start difference. First operand 235 states and 257 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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 11:02:35,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:02:35,841 INFO L93 Difference]: Finished difference Result 314 states and 349 transitions. [2024-12-02 11:02:35,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 11:02:35,841 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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 147 [2024-12-02 11:02:35,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:02:35,843 INFO L225 Difference]: With dead ends: 314 [2024-12-02 11:02:35,843 INFO L226 Difference]: Without dead ends: 239 [2024-12-02 11:02:35,843 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 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 11:02:35,843 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 0 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:02:35,844 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 253 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:02:35,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-12-02 11:02:35,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 239. [2024-12-02 11:02:35,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 218 states have (on average 1.1788990825688073) internal successors, (257), 235 states have internal predecessors, (257), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-12-02 11:02:35,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 261 transitions. [2024-12-02 11:02:35,853 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 261 transitions. Word has length 147 [2024-12-02 11:02:35,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:02:35,853 INFO L471 AbstractCegarLoop]: Abstraction has 239 states and 261 transitions. [2024-12-02 11:02:35,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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 11:02:35,854 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 261 transitions. [2024-12-02 11:02:35,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-12-02 11:02:35,855 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:02:35,855 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 31, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:02:35,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 11:02:35,855 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 11:02:35,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:02:35,856 INFO L85 PathProgramCache]: Analyzing trace with hash -2135860525, now seen corresponding path program 1 times [2024-12-02 11:02:35,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:02:35,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921891043] [2024-12-02 11:02:35,856 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:02:35,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:02:35,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:02:36,117 INFO L134 CoverageAnalysis]: Checked inductivity of 1897 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1897 trivial. 0 not checked. [2024-12-02 11:02:36,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:02:36,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921891043] [2024-12-02 11:02:36,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921891043] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:02:36,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:02:36,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 11:02:36,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951100414] [2024-12-02 11:02:36,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:02:36,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 11:02:36,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:02:36,118 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 11:02:36,118 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:02:36,118 INFO L87 Difference]: Start difference. First operand 239 states and 261 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 11:02:36,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:02:36,135 INFO L93 Difference]: Finished difference Result 252 states and 275 transitions. [2024-12-02 11:02:36,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 11:02:36,136 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 148 [2024-12-02 11:02:36,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:02:36,137 INFO L225 Difference]: With dead ends: 252 [2024-12-02 11:02:36,137 INFO L226 Difference]: Without dead ends: 153 [2024-12-02 11:02:36,137 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 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 11:02:36,138 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 12 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 50 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 11:02:36,138 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 50 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:02:36,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2024-12-02 11:02:36,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2024-12-02 11:02:36,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 151 states have (on average 1.0264900662251655) internal successors, (155), 152 states have internal predecessors, (155), 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 11:02:36,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 155 transitions. [2024-12-02 11:02:36,145 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 155 transitions. Word has length 148 [2024-12-02 11:02:36,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:02:36,146 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 155 transitions. [2024-12-02 11:02:36,146 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 11:02:36,146 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 155 transitions. [2024-12-02 11:02:36,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-12-02 11:02:36,147 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:02:36,147 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 31, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:02:36,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 11:02:36,148 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 11:02:36,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:02:36,148 INFO L85 PathProgramCache]: Analyzing trace with hash -1370269531, now seen corresponding path program 1 times [2024-12-02 11:02:36,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:02:36,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062792060] [2024-12-02 11:02:36,148 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:02:36,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:02:36,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:02:36,350 INFO L134 CoverageAnalysis]: Checked inductivity of 1897 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1897 trivial. 0 not checked. [2024-12-02 11:02:36,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:02:36,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062792060] [2024-12-02 11:02:36,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062792060] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:02:36,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:02:36,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:02:36,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913982259] [2024-12-02 11:02:36,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:02:36,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 11:02:36,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:02:36,351 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 11:02:36,351 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:02:36,352 INFO L87 Difference]: Start difference. First operand 153 states and 155 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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 11:02:36,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:02:36,381 INFO L93 Difference]: Finished difference Result 166 states and 168 transitions. [2024-12-02 11:02:36,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 11:02:36,382 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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 150 [2024-12-02 11:02:36,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:02:36,383 INFO L225 Difference]: With dead ends: 166 [2024-12-02 11:02:36,383 INFO L226 Difference]: Without dead ends: 164 [2024-12-02 11:02:36,383 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 11:02:36,383 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 2 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:02:36,384 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 58 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:02:36,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2024-12-02 11:02:36,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2024-12-02 11:02:36,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 162 states have (on average 1.0246913580246915) internal successors, (166), 163 states have internal predecessors, (166), 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 11:02:36,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 166 transitions. [2024-12-02 11:02:36,394 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 166 transitions. Word has length 150 [2024-12-02 11:02:36,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:02:36,394 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 166 transitions. [2024-12-02 11:02:36,395 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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 11:02:36,395 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 166 transitions. [2024-12-02 11:02:36,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-12-02 11:02:36,396 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:02:36,396 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 31, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:02:36,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 11:02:36,397 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 11:02:36,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:02:36,397 INFO L85 PathProgramCache]: Analyzing trace with hash 979225741, now seen corresponding path program 1 times [2024-12-02 11:02:36,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:02:36,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614189869] [2024-12-02 11:02:36,397 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:02:36,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:02:36,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:02:38,890 INFO L134 CoverageAnalysis]: Checked inductivity of 1907 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-02 11:02:38,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:02:38,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614189869] [2024-12-02 11:02:38,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614189869] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:02:38,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1326606769] [2024-12-02 11:02:38,891 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:02:38,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:02:38,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c167b363-4d76-483f-a4a8-b3d0b580a951/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:02:38,892 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c167b363-4d76-483f-a4a8-b3d0b580a951/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:02:38,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c167b363-4d76-483f-a4a8-b3d0b580a951/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-02 11:02:39,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:02:39,067 INFO L256 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 64 conjuncts are in the unsatisfiable core [2024-12-02 11:02:39,071 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:02:39,303 INFO L134 CoverageAnalysis]: Checked inductivity of 1907 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-02 11:02:39,304 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:02:42,049 INFO L134 CoverageAnalysis]: Checked inductivity of 1907 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-02 11:02:42,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1326606769] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 11:02:42,049 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 11:02:42,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65, 65, 65] total 130 [2024-12-02 11:02:42,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114875670] [2024-12-02 11:02:42,050 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 11:02:42,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 130 states [2024-12-02 11:02:42,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:02:42,052 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 130 interpolants. [2024-12-02 11:02:42,054 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=4290, Invalid=12480, Unknown=0, NotChecked=0, Total=16770 [2024-12-02 11:02:42,054 INFO L87 Difference]: Start difference. First operand 164 states and 166 transitions. Second operand has 130 states, 130 states have (on average 2.146153846153846) internal successors, (279), 130 states have internal predecessors, (279), 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 11:02:42,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:02:42,400 INFO L93 Difference]: Finished difference Result 329 states and 364 transitions. [2024-12-02 11:02:42,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2024-12-02 11:02:42,401 INFO L78 Accepts]: Start accepts. Automaton has has 130 states, 130 states have (on average 2.146153846153846) internal successors, (279), 130 states have internal predecessors, (279), 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 161 [2024-12-02 11:02:42,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:02:42,403 INFO L225 Difference]: With dead ends: 329 [2024-12-02 11:02:42,403 INFO L226 Difference]: Without dead ends: 292 [2024-12-02 11:02:42,406 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 385 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5206 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=4290, Invalid=12480, Unknown=0, NotChecked=0, Total=16770 [2024-12-02 11:02:42,406 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 2 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 11:02:42,406 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 228 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 11:02:42,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2024-12-02 11:02:42,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 292. [2024-12-02 11:02:42,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 290 states have (on average 1.013793103448276) internal successors, (294), 291 states have internal predecessors, (294), 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 11:02:42,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 294 transitions. [2024-12-02 11:02:42,430 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 294 transitions. Word has length 161 [2024-12-02 11:02:42,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:02:42,430 INFO L471 AbstractCegarLoop]: Abstraction has 292 states and 294 transitions. [2024-12-02 11:02:42,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 130 states, 130 states have (on average 2.146153846153846) internal successors, (279), 130 states have internal predecessors, (279), 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 11:02:42,431 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 294 transitions. [2024-12-02 11:02:42,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2024-12-02 11:02:42,435 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:02:42,435 INFO L218 NwaCegarLoop]: trace histogram [63, 63, 63, 63, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:02:42,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c167b363-4d76-483f-a4a8-b3d0b580a951/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-02 11:02:42,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c167b363-4d76-483f-a4a8-b3d0b580a951/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-12-02 11:02:42,635 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 11:02:42,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:02:42,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1471644723, now seen corresponding path program 2 times [2024-12-02 11:02:42,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:02:42,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922332794] [2024-12-02 11:02:42,636 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 11:02:42,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:02:42,690 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 11:02:42,690 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 11:02:42,831 INFO L134 CoverageAnalysis]: Checked inductivity of 7891 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 7881 trivial. 0 not checked. [2024-12-02 11:02:42,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:02:42,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922332794] [2024-12-02 11:02:42,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922332794] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:02:42,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [29083450] [2024-12-02 11:02:42,831 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 11:02:42,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:02:42,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c167b363-4d76-483f-a4a8-b3d0b580a951/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:02:42,833 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c167b363-4d76-483f-a4a8-b3d0b580a951/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:02:42,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c167b363-4d76-483f-a4a8-b3d0b580a951/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-12-02 11:02:43,110 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 11:02:43,110 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 11:02:43,114 INFO L256 TraceCheckSpWp]: Trace formula consists of 974 conjuncts, 128 conjuncts are in the unsatisfiable core [2024-12-02 11:02:43,120 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:02:47,426 INFO L134 CoverageAnalysis]: Checked inductivity of 7891 backedges. 0 proven. 7875 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-02 11:02:47,426 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:02:57,960 INFO L134 CoverageAnalysis]: Checked inductivity of 7891 backedges. 0 proven. 7875 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-02 11:02:57,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [29083450] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 11:02:57,961 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 11:02:57,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 129, 129] total 260 [2024-12-02 11:02:57,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708185025] [2024-12-02 11:02:57,961 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 11:02:57,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 260 states [2024-12-02 11:02:57,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:02:57,965 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 260 interpolants. [2024-12-02 11:02:57,970 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16520, Invalid=50820, Unknown=0, NotChecked=0, Total=67340 [2024-12-02 11:02:57,971 INFO L87 Difference]: Start difference. First operand 292 states and 294 transitions. Second operand has 260 states, 260 states have (on average 2.1769230769230767) internal successors, (566), 260 states have internal predecessors, (566), 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 11:02:59,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:02:59,161 INFO L93 Difference]: Finished difference Result 584 states and 652 transitions. [2024-12-02 11:02:59,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 261 states. [2024-12-02 11:02:59,162 INFO L78 Accepts]: Start accepts. Automaton has has 260 states, 260 states have (on average 2.1769230769230767) internal successors, (566), 260 states have internal predecessors, (566), 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 289 [2024-12-02 11:02:59,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:02:59,164 INFO L225 Difference]: With dead ends: 584 [2024-12-02 11:02:59,164 INFO L226 Difference]: Without dead ends: 547 [2024-12-02 11:02:59,171 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 583 GetRequests, 323 SyntacticMatches, 0 SemanticMatches, 260 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19906 ImplicationChecksByTransitivity, 14.4s TimeCoverageRelationStatistics Valid=16782, Invalid=51600, Unknown=0, NotChecked=0, Total=68382 [2024-12-02 11:02:59,172 INFO L435 NwaCegarLoop]: 19 mSDtfsCounter, 4 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 776 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 776 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 11:02:59,172 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 219 Invalid, 788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 776 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 11:02:59,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2024-12-02 11:02:59,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 547. [2024-12-02 11:02:59,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 546 states have (on average 1.0054945054945055) internal successors, (549), 546 states have internal predecessors, (549), 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 11:02:59,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 549 transitions. [2024-12-02 11:02:59,191 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 549 transitions. Word has length 289 [2024-12-02 11:02:59,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:02:59,192 INFO L471 AbstractCegarLoop]: Abstraction has 547 states and 549 transitions. [2024-12-02 11:02:59,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 260 states, 260 states have (on average 2.1769230769230767) internal successors, (566), 260 states have internal predecessors, (566), 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 11:02:59,192 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 549 transitions. [2024-12-02 11:02:59,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 547 [2024-12-02 11:02:59,203 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:02:59,203 INFO L218 NwaCegarLoop]: trace histogram [127, 127, 127, 127, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:02:59,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c167b363-4d76-483f-a4a8-b3d0b580a951/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-12-02 11:02:59,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c167b363-4d76-483f-a4a8-b3d0b580a951/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-12-02 11:02:59,404 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-12-02 11:02:59,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:02:59,405 INFO L85 PathProgramCache]: Analyzing trace with hash 1790537757, now seen corresponding path program 1 times [2024-12-02 11:02:59,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:02:59,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003729838] [2024-12-02 11:02:59,405 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:02:59,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:02:59,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:02:59,837 INFO L134 CoverageAnalysis]: Checked inductivity of 32148 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 32138 trivial. 0 not checked. [2024-12-02 11:02:59,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:02:59,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003729838] [2024-12-02 11:02:59,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003729838] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:02:59,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:02:59,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:02:59,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291517304] [2024-12-02 11:02:59,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:02:59,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 11:02:59,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:02:59,839 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 11:02:59,839 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:02:59,839 INFO L87 Difference]: Start difference. First operand 547 states and 549 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 11:02:59,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:02:59,864 INFO L93 Difference]: Finished difference Result 547 states and 549 transitions. [2024-12-02 11:02:59,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 11:02:59,865 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 546 [2024-12-02 11:02:59,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:02:59,866 INFO L225 Difference]: With dead ends: 547 [2024-12-02 11:02:59,866 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 11:02:59,866 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 11:02:59,867 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 1 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 11:02:59,867 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 48 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:02:59,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 11:02:59,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 11:02:59,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 11:02:59,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 11:02:59,868 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 546 [2024-12-02 11:02:59,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:02:59,868 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 11:02:59,868 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 11:02:59,868 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 11:02:59,869 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 11:02:59,871 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 28 remaining) [2024-12-02 11:02:59,871 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 28 remaining) [2024-12-02 11:02:59,872 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 28 remaining) [2024-12-02 11:02:59,872 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 28 remaining) [2024-12-02 11:02:59,872 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 28 remaining) [2024-12-02 11:02:59,872 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 28 remaining) [2024-12-02 11:02:59,872 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 28 remaining) [2024-12-02 11:02:59,872 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 28 remaining) [2024-12-02 11:02:59,872 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 28 remaining) [2024-12-02 11:02:59,872 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 28 remaining) [2024-12-02 11:02:59,872 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 28 remaining) [2024-12-02 11:02:59,872 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 28 remaining) [2024-12-02 11:02:59,872 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 28 remaining) [2024-12-02 11:02:59,872 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 28 remaining) [2024-12-02 11:02:59,873 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 28 remaining) [2024-12-02 11:02:59,873 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 28 remaining) [2024-12-02 11:02:59,873 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 28 remaining) [2024-12-02 11:02:59,873 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 28 remaining) [2024-12-02 11:02:59,873 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 28 remaining) [2024-12-02 11:02:59,873 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 28 remaining) [2024-12-02 11:02:59,873 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 28 remaining) [2024-12-02 11:02:59,873 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 28 remaining) [2024-12-02 11:02:59,873 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 28 remaining) [2024-12-02 11:02:59,873 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 28 remaining) [2024-12-02 11:02:59,873 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 28 remaining) [2024-12-02 11:02:59,873 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 28 remaining) [2024-12-02 11:02:59,873 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 28 remaining) [2024-12-02 11:02:59,873 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 28 remaining) [2024-12-02 11:02:59,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 11:02:59,877 INFO L422 BasicCegarLoop]: Path program histogram: [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:02:59,879 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 11:03:01,005 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 11:03:01,016 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~v~0 [2024-12-02 11:03:01,017 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~n~0 [2024-12-02 11:03:01,017 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~v~0 [2024-12-02 11:03:01,017 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~n~0 [2024-12-02 11:03:01,017 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~v~0 [2024-12-02 11:03:01,019 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 11:03:01 BoogieIcfgContainer [2024-12-02 11:03:01,019 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 11:03:01,020 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 11:03:01,020 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 11:03:01,020 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 11:03:01,021 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:02:29" (3/4) ... [2024-12-02 11:03:01,023 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 11:03:01,026 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-12-02 11:03:01,031 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-12-02 11:03:01,031 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-12-02 11:03:01,031 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-02 11:03:01,031 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 11:03:01,111 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c167b363-4d76-483f-a4a8-b3d0b580a951/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 11:03:01,112 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c167b363-4d76-483f-a4a8-b3d0b580a951/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 11:03:01,112 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 11:03:01,112 INFO L158 Benchmark]: Toolchain (without parser) took 32608.74ms. Allocated memory was 117.4MB in the beginning and 243.3MB in the end (delta: 125.8MB). Free memory was 92.4MB in the beginning and 196.4MB in the end (delta: -104.0MB). Peak memory consumption was 146.9MB. Max. memory is 16.1GB. [2024-12-02 11:03:01,112 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 11:03:01,113 INFO L158 Benchmark]: CACSL2BoogieTranslator took 168.82ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 80.6MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 11:03:01,113 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.11ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 79.1MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 11:03:01,113 INFO L158 Benchmark]: Boogie Preprocessor took 42.90ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 77.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 11:03:01,113 INFO L158 Benchmark]: RCFGBuilder took 410.37ms. Allocated memory is still 117.4MB. Free memory was 76.9MB in the beginning and 58.9MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 11:03:01,114 INFO L158 Benchmark]: TraceAbstraction took 31854.36ms. Allocated memory was 117.4MB in the beginning and 243.3MB in the end (delta: 125.8MB). Free memory was 58.1MB in the beginning and 68.0MB in the end (delta: -9.9MB). Peak memory consumption was 146.1MB. Max. memory is 16.1GB. [2024-12-02 11:03:01,114 INFO L158 Benchmark]: Witness Printer took 91.53ms. Allocated memory is still 243.3MB. Free memory was 68.0MB in the beginning and 196.4MB in the end (delta: -128.4MB). Peak memory consumption was 401.0kB. Max. memory is 16.1GB. [2024-12-02 11:03:01,115 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 168.82ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 80.6MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.11ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 79.1MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.90ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 77.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 410.37ms. Allocated memory is still 117.4MB. Free memory was 76.9MB in the beginning and 58.9MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 31854.36ms. Allocated memory was 117.4MB in the beginning and 243.3MB in the end (delta: 125.8MB). Free memory was 58.1MB in the beginning and 68.0MB in the end (delta: -9.9MB). Peak memory consumption was 146.1MB. Max. memory is 16.1GB. * Witness Printer took 91.53ms. Allocated memory is still 243.3MB. Free memory was 68.0MB in the beginning and 196.4MB in the end (delta: -128.4MB). Peak memory consumption was 401.0kB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~v~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~n~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~v~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~n~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~v~0 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 62]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 62]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 62]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 62]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 61]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 61]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 106 locations, 28 error locations. Started 1 CEGAR loops. OverallTime: 30.7s, OverallIterations: 17, TraceHistogramMax: 127, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 681 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 659 mSDsluCounter, 5156 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4031 mSDsCounter, 106 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2739 IncrementalHoareTripleChecker+Invalid, 2845 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 106 mSolverCounterUnsat, 1125 mSDtfsCounter, 2739 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1350 GetRequests, 810 SyntacticMatches, 0 SemanticMatches, 540 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26637 ImplicationChecksByTransitivity, 20.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=547occurred in iteration=16, InterpolantAutomatonStates: 559, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 17 MinimizatonAttempts, 320 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 24.2s InterpolantComputationTime, 2501 NumberOfCodeBlocks, 2357 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 3078 ConstructedInterpolants, 0 QuantifiedInterpolants, 5798 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2230 ConjunctsInSsa, 257 ConjunctsInUnsatCore, 30 InterpolantComputations, 11 PerfectInterpolantSequences, 48716/71256 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 28 specifications checked. All of them hold - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: (((1 <= v) && (n == 0)) || ((n == 0) && (v == 0))) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: (((size == 0) && (i == 0)) || ((size == 0) && (i == 0))) - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: (((1 <= v) && (n == 0)) || ((n == 0) && (v == 0))) - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: ((n == 0) && (x == 0)) - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: ((n == 0) && (x == 0)) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: (((1 <= x) && (n == 0)) || ((n == 0) && (x == 0))) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: ((((n == 0) && (v == 0)) && (x == 0)) || ((((1 <= v) && (n == 0)) && (x == 0)) && (v <= 99999))) RESULT: Ultimate proved your program to be correct! [2024-12-02 11:03:01,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c167b363-4d76-483f-a4a8-b3d0b580a951/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE