./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound5.c --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_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB --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 e14135f4afb726bf8552a88de51bf2d1eeb5945775070b599f71e8288a74bc87 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:28:05,480 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:28:05,571 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-28 04:28:05,583 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:28:05,583 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:28:05,627 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:28:05,628 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:28:05,628 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:28:05,628 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:28:05,629 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:28:05,629 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:28:05,629 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:28:05,630 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:28:05,631 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:28:05,631 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:28:05,632 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:28:05,632 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:28:05,632 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:28:05,632 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:28:05,632 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:28:05,633 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:28:05,633 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:28:05,633 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:28:05,633 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:28:05,633 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-28 04:28:05,633 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 04:28:05,633 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:28:05,633 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:28:05,633 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:28:05,633 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:28:05,634 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:28:05,634 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:28:05,634 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:28:05,634 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:28:05,634 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:28:05,635 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:28:05,635 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:28:05,635 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:28:05,635 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:28:05,635 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:28:05,635 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:28:05,635 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:28:05,635 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:28:05,635 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:28:05,635 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:28:05,635 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:28:05,636 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:28:05,636 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:28:05,636 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:28:05,636 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:28:05,636 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_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB 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 -> e14135f4afb726bf8552a88de51bf2d1eeb5945775070b599f71e8288a74bc87 [2024-11-28 04:28:06,021 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:28:06,036 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:28:06,039 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:28:06,042 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:28:06,043 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:28:06,045 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound5.c [2024-11-28 04:28:09,040 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/data/d54ea01f0/61093dec2b254049ae6c949561edfe33/FLAG8f654bf54 [2024-11-28 04:28:09,295 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:28:09,296 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound5.c [2024-11-28 04:28:09,309 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/data/d54ea01f0/61093dec2b254049ae6c949561edfe33/FLAG8f654bf54 [2024-11-28 04:28:09,339 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/data/d54ea01f0/61093dec2b254049ae6c949561edfe33 [2024-11-28 04:28:09,342 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:28:09,344 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:28:09,346 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:28:09,346 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:28:09,358 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:28:09,359 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:28:09" (1/1) ... [2024-11-28 04:28:09,360 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37015dcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:28:09, skipping insertion in model container [2024-11-28 04:28:09,360 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:28:09" (1/1) ... [2024-11-28 04:28:09,379 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:28:09,595 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:28:09,613 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:28:09,645 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:28:09,664 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:28:09,664 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:28:09 WrapperNode [2024-11-28 04:28:09,665 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:28:09,666 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:28:09,666 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:28:09,667 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:28:09,675 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:28:09" (1/1) ... [2024-11-28 04:28:09,685 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:28:09" (1/1) ... [2024-11-28 04:28:09,726 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 125 [2024-11-28 04:28:09,726 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:28:09,727 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:28:09,731 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:28:09,731 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:28:09,741 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:28:09" (1/1) ... [2024-11-28 04:28:09,742 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:28:09" (1/1) ... [2024-11-28 04:28:09,744 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:28:09" (1/1) ... [2024-11-28 04:28:09,768 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 04:28:09,771 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:28:09" (1/1) ... [2024-11-28 04:28:09,771 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:28:09" (1/1) ... [2024-11-28 04:28:09,777 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:28:09" (1/1) ... [2024-11-28 04:28:09,782 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:28:09" (1/1) ... [2024-11-28 04:28:09,785 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:28:09" (1/1) ... [2024-11-28 04:28:09,790 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:28:09" (1/1) ... [2024-11-28 04:28:09,791 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:28:09" (1/1) ... [2024-11-28 04:28:09,793 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:28:09,794 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:28:09,794 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:28:09,794 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:28:09,795 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:28:09" (1/1) ... [2024-11-28 04:28:09,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:28:09,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:28:09,829 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:28:09,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:28:09,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:28:09,861 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 04:28:09,861 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 04:28:09,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:28:09,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:28:09,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:28:09,861 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-28 04:28:09,862 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-28 04:28:09,913 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:28:09,915 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:28:10,642 INFO L? ?]: Removed 89 outVars from TransFormulas that were not future-live. [2024-11-28 04:28:10,642 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:28:10,663 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:28:10,666 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 04:28:10,667 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:28:10 BoogieIcfgContainer [2024-11-28 04:28:10,667 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:28:10,670 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:28:10,670 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:28:10,676 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:28:10,676 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:28:09" (1/3) ... [2024-11-28 04:28:10,677 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@722c22e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:28:10, skipping insertion in model container [2024-11-28 04:28:10,677 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:28:09" (2/3) ... [2024-11-28 04:28:10,679 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@722c22e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:28:10, skipping insertion in model container [2024-11-28 04:28:10,679 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:28:10" (3/3) ... [2024-11-28 04:28:10,681 INFO L128 eAbstractionObserver]: Analyzing ICFG ps5-ll_valuebound5.c [2024-11-28 04:28:10,699 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:28:10,701 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG ps5-ll_valuebound5.c that has 3 procedures, 191 locations, 1 initial locations, 1 loop locations, and 84 error locations. [2024-11-28 04:28:10,773 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:28:10,785 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;@2e424fec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:28:10,785 INFO L334 AbstractCegarLoop]: Starting to check reachability of 84 error locations. [2024-11-28 04:28:10,790 INFO L276 IsEmpty]: Start isEmpty. Operand has 191 states, 99 states have (on average 1.898989898989899) internal successors, (188), 183 states have internal predecessors, (188), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-28 04:28:10,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-28 04:28:10,796 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:28:10,797 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:28:10,797 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-28 04:28:10,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:28:10,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1654584368, now seen corresponding path program 1 times [2024-11-28 04:28:10,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:28:10,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921852892] [2024-11-28 04:28:10,811 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:28:10,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:28:10,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:28:10,943 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-28 04:28:10,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:28:10,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921852892] [2024-11-28 04:28:10,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921852892] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:28:10,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1330211997] [2024-11-28 04:28:10,947 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:28:10,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:28:10,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:28:10,951 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:28:10,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 04:28:11,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:28:11,013 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 04:28:11,016 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:28:11,030 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-28 04:28:11,030 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:28:11,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1330211997] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:28:11,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:28:11,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 04:28:11,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41429251] [2024-11-28 04:28:11,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:28:11,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 04:28:11,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:28:11,067 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 04:28:11,069 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:28:11,073 INFO L87 Difference]: Start difference. First operand has 191 states, 99 states have (on average 1.898989898989899) internal successors, (188), 183 states have internal predecessors, (188), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 04:28:11,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:28:11,114 INFO L93 Difference]: Finished difference Result 365 states and 396 transitions. [2024-11-28 04:28:11,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 04:28:11,118 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14 [2024-11-28 04:28:11,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:28:11,129 INFO L225 Difference]: With dead ends: 365 [2024-11-28 04:28:11,129 INFO L226 Difference]: Without dead ends: 171 [2024-11-28 04:28:11,133 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:28:11,138 INFO L435 NwaCegarLoop]: 180 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:28:11,139 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:28:11,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2024-11-28 04:28:11,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2024-11-28 04:28:11,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 94 states have (on average 1.7553191489361701) internal successors, (165), 164 states have internal predecessors, (165), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-28 04:28:11,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 173 transitions. [2024-11-28 04:28:11,195 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 173 transitions. Word has length 14 [2024-11-28 04:28:11,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:28:11,196 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 173 transitions. [2024-11-28 04:28:11,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 04:28:11,196 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 173 transitions. [2024-11-28 04:28:11,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-28 04:28:11,198 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:28:11,198 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:28:11,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 04:28:11,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 04:28:11,403 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-28 04:28:11,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:28:11,403 INFO L85 PathProgramCache]: Analyzing trace with hash 1263404400, now seen corresponding path program 1 times [2024-11-28 04:28:11,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:28:11,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873568562] [2024-11-28 04:28:11,404 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:28:11,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:28:11,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:28:11,479 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 04:28:11,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:28:11,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873568562] [2024-11-28 04:28:11,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873568562] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:28:11,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:28:11,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:28:11,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321847603] [2024-11-28 04:28:11,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:28:11,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:28:11,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:28:11,482 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:28:11,482 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:28:11,482 INFO L87 Difference]: Start difference. First operand 171 states and 173 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:28:12,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:28:12,073 INFO L93 Difference]: Finished difference Result 307 states and 319 transitions. [2024-11-28 04:28:12,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:28:12,074 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 14 [2024-11-28 04:28:12,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:28:12,076 INFO L225 Difference]: With dead ends: 307 [2024-11-28 04:28:12,076 INFO L226 Difference]: Without dead ends: 251 [2024-11-28 04:28:12,076 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:28:12,077 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 82 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 04:28:12,077 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 125 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 04:28:12,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2024-11-28 04:28:12,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 245. [2024-11-28 04:28:12,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 167 states have (on average 1.5089820359281436) internal successors, (252), 237 states have internal predecessors, (252), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-28 04:28:12,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 262 transitions. [2024-11-28 04:28:12,092 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 262 transitions. Word has length 14 [2024-11-28 04:28:12,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:28:12,097 INFO L471 AbstractCegarLoop]: Abstraction has 245 states and 262 transitions. [2024-11-28 04:28:12,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:28:12,097 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 262 transitions. [2024-11-28 04:28:12,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-28 04:28:12,098 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:28:12,098 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:28:12,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:28:12,098 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-28 04:28:12,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:28:12,099 INFO L85 PathProgramCache]: Analyzing trace with hash 1625325516, now seen corresponding path program 1 times [2024-11-28 04:28:12,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:28:12,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042600194] [2024-11-28 04:28:12,100 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:28:12,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:28:12,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:28:12,306 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 04:28:12,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:28:12,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042600194] [2024-11-28 04:28:12,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042600194] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:28:12,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:28:12,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:28:12,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543671388] [2024-11-28 04:28:12,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:28:12,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:28:12,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:28:12,311 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:28:12,312 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:28:12,312 INFO L87 Difference]: Start difference. First operand 245 states and 262 transitions. Second operand has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:28:12,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:28:12,435 INFO L93 Difference]: Finished difference Result 264 states and 276 transitions. [2024-11-28 04:28:12,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:28:12,436 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 42 [2024-11-28 04:28:12,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:28:12,438 INFO L225 Difference]: With dead ends: 264 [2024-11-28 04:28:12,441 INFO L226 Difference]: Without dead ends: 259 [2024-11-28 04:28:12,442 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:28:12,443 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 58 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:28:12,443 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 294 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:28:12,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2024-11-28 04:28:12,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 252. [2024-11-28 04:28:12,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 174 states have (on average 1.4885057471264367) internal successors, (259), 244 states have internal predecessors, (259), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-28 04:28:12,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 269 transitions. [2024-11-28 04:28:12,475 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 269 transitions. Word has length 42 [2024-11-28 04:28:12,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:28:12,475 INFO L471 AbstractCegarLoop]: Abstraction has 252 states and 269 transitions. [2024-11-28 04:28:12,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:28:12,476 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 269 transitions. [2024-11-28 04:28:12,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-28 04:28:12,477 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:28:12,477 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:28:12,477 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 04:28:12,477 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-28 04:28:12,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:28:12,478 INFO L85 PathProgramCache]: Analyzing trace with hash -1430271570, now seen corresponding path program 1 times [2024-11-28 04:28:12,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:28:12,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518601700] [2024-11-28 04:28:12,479 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:28:12,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:28:12,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:28:12,636 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 04:28:12,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:28:12,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518601700] [2024-11-28 04:28:12,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518601700] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:28:12,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:28:12,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:28:12,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110837817] [2024-11-28 04:28:12,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:28:12,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:28:12,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:28:12,638 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:28:12,638 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:28:12,638 INFO L87 Difference]: Start difference. First operand 252 states and 269 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:28:12,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:28:12,924 INFO L93 Difference]: Finished difference Result 263 states and 271 transitions. [2024-11-28 04:28:12,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:28:12,924 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 44 [2024-11-28 04:28:12,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:28:12,926 INFO L225 Difference]: With dead ends: 263 [2024-11-28 04:28:12,926 INFO L226 Difference]: Without dead ends: 258 [2024-11-28 04:28:12,926 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:28:12,929 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 132 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:28:12,931 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 231 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 04:28:12,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2024-11-28 04:28:12,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 252. [2024-11-28 04:28:12,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 174 states have (on average 1.4597701149425288) internal successors, (254), 244 states have internal predecessors, (254), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-28 04:28:12,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 264 transitions. [2024-11-28 04:28:12,959 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 264 transitions. Word has length 44 [2024-11-28 04:28:12,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:28:12,959 INFO L471 AbstractCegarLoop]: Abstraction has 252 states and 264 transitions. [2024-11-28 04:28:12,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:28:12,959 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 264 transitions. [2024-11-28 04:28:12,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-28 04:28:12,960 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:28:12,960 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:28:12,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 04:28:12,960 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-28 04:28:12,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:28:12,961 INFO L85 PathProgramCache]: Analyzing trace with hash -1388745603, now seen corresponding path program 1 times [2024-11-28 04:28:12,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:28:12,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458729839] [2024-11-28 04:28:12,961 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:28:12,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:28:12,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:28:13,159 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 04:28:13,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:28:13,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458729839] [2024-11-28 04:28:13,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458729839] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:28:13,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:28:13,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:28:13,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957090584] [2024-11-28 04:28:13,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:28:13,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:28:13,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:28:13,161 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:28:13,161 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:28:13,162 INFO L87 Difference]: Start difference. First operand 252 states and 264 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:28:13,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:28:13,742 INFO L93 Difference]: Finished difference Result 262 states and 266 transitions. [2024-11-28 04:28:13,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:28:13,743 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 45 [2024-11-28 04:28:13,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:28:13,744 INFO L225 Difference]: With dead ends: 262 [2024-11-28 04:28:13,744 INFO L226 Difference]: Without dead ends: 224 [2024-11-28 04:28:13,745 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:28:13,747 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 81 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 04:28:13,747 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 265 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 04:28:13,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2024-11-28 04:28:13,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 218. [2024-11-28 04:28:13,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 140 states have (on average 1.542857142857143) internal successors, (216), 210 states have internal predecessors, (216), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-28 04:28:13,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 226 transitions. [2024-11-28 04:28:13,769 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 226 transitions. Word has length 45 [2024-11-28 04:28:13,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:28:13,770 INFO L471 AbstractCegarLoop]: Abstraction has 218 states and 226 transitions. [2024-11-28 04:28:13,770 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:28:13,771 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 226 transitions. [2024-11-28 04:28:13,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-28 04:28:13,773 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:28:13,773 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:28:13,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 04:28:13,773 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-28 04:28:13,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:28:13,774 INFO L85 PathProgramCache]: Analyzing trace with hash 249755085, now seen corresponding path program 1 times [2024-11-28 04:28:13,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:28:13,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265801354] [2024-11-28 04:28:13,774 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:28:13,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:28:13,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:28:13,900 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 04:28:13,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:28:13,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265801354] [2024-11-28 04:28:13,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265801354] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:28:13,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:28:13,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:28:13,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231671009] [2024-11-28 04:28:13,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:28:13,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:28:13,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:28:13,905 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:28:13,905 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:28:13,906 INFO L87 Difference]: Start difference. First operand 218 states and 226 transitions. Second operand has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 04:28:13,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:28:13,940 INFO L93 Difference]: Finished difference Result 220 states and 226 transitions. [2024-11-28 04:28:13,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:28:13,941 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 54 [2024-11-28 04:28:13,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:28:13,942 INFO L225 Difference]: With dead ends: 220 [2024-11-28 04:28:13,942 INFO L226 Difference]: Without dead ends: 218 [2024-11-28 04:28:13,944 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:28:13,945 INFO L435 NwaCegarLoop]: 170 mSDtfsCounter, 1 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:28:13,946 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 335 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:28:13,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2024-11-28 04:28:13,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 218. [2024-11-28 04:28:13,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 140 states have (on average 1.5285714285714285) internal successors, (214), 210 states have internal predecessors, (214), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-28 04:28:13,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 224 transitions. [2024-11-28 04:28:13,961 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 224 transitions. Word has length 54 [2024-11-28 04:28:13,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:28:13,963 INFO L471 AbstractCegarLoop]: Abstraction has 218 states and 224 transitions. [2024-11-28 04:28:13,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 04:28:13,963 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 224 transitions. [2024-11-28 04:28:13,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-28 04:28:13,965 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:28:13,965 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:28:13,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 04:28:13,965 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-28 04:28:13,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:28:13,966 INFO L85 PathProgramCache]: Analyzing trace with hash 1717734672, now seen corresponding path program 1 times [2024-11-28 04:28:13,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:28:13,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727869582] [2024-11-28 04:28:13,967 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:28:13,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:28:14,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:28:14,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1940658218] [2024-11-28 04:28:14,016 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:28:14,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:28:14,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:28:14,021 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:28:14,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 04:28:14,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:28:14,090 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:28:14,092 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:28:14,257 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 04:28:14,258 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:28:14,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:28:14,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727869582] [2024-11-28 04:28:14,259 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:28:14,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1940658218] [2024-11-28 04:28:14,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1940658218] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:28:14,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:28:14,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:28:14,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090958772] [2024-11-28 04:28:14,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:28:14,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:28:14,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:28:14,260 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:28:14,260 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:28:14,260 INFO L87 Difference]: Start difference. First operand 218 states and 224 transitions. Second operand has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 04:28:14,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:28:14,848 INFO L93 Difference]: Finished difference Result 356 states and 372 transitions. [2024-11-28 04:28:14,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:28:14,849 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 59 [2024-11-28 04:28:14,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:28:14,851 INFO L225 Difference]: With dead ends: 356 [2024-11-28 04:28:14,852 INFO L226 Difference]: Without dead ends: 302 [2024-11-28 04:28:14,852 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:28:14,853 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 89 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 04:28:14,853 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 149 Invalid, 464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 04:28:14,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2024-11-28 04:28:14,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 296. [2024-11-28 04:28:14,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 216 states have (on average 1.4074074074074074) internal successors, (304), 286 states have internal predecessors, (304), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-28 04:28:14,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 318 transitions. [2024-11-28 04:28:14,870 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 318 transitions. Word has length 59 [2024-11-28 04:28:14,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:28:14,871 INFO L471 AbstractCegarLoop]: Abstraction has 296 states and 318 transitions. [2024-11-28 04:28:14,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 04:28:14,871 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 318 transitions. [2024-11-28 04:28:14,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-28 04:28:14,872 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:28:14,872 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:28:14,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 04:28:15,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:28:15,073 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-28 04:28:15,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:28:15,074 INFO L85 PathProgramCache]: Analyzing trace with hash -1727725002, now seen corresponding path program 1 times [2024-11-28 04:28:15,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:28:15,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155819616] [2024-11-28 04:28:15,074 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:28:15,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:28:15,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:28:15,263 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 04:28:15,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:28:15,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155819616] [2024-11-28 04:28:15,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155819616] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:28:15,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:28:15,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:28:15,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585520428] [2024-11-28 04:28:15,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:28:15,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:28:15,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:28:15,265 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:28:15,265 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:28:15,265 INFO L87 Difference]: Start difference. First operand 296 states and 318 transitions. Second operand has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 04:28:15,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:28:15,402 INFO L93 Difference]: Finished difference Result 297 states and 318 transitions. [2024-11-28 04:28:15,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:28:15,403 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 65 [2024-11-28 04:28:15,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:28:15,405 INFO L225 Difference]: With dead ends: 297 [2024-11-28 04:28:15,405 INFO L226 Difference]: Without dead ends: 296 [2024-11-28 04:28:15,405 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:28:15,406 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 38 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:28:15,406 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 278 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:28:15,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2024-11-28 04:28:15,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 296. [2024-11-28 04:28:15,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 216 states have (on average 1.4027777777777777) internal successors, (303), 286 states have internal predecessors, (303), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-28 04:28:15,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 317 transitions. [2024-11-28 04:28:15,425 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 317 transitions. Word has length 65 [2024-11-28 04:28:15,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:28:15,425 INFO L471 AbstractCegarLoop]: Abstraction has 296 states and 317 transitions. [2024-11-28 04:28:15,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 04:28:15,425 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 317 transitions. [2024-11-28 04:28:15,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-28 04:28:15,427 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:28:15,427 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:28:15,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 04:28:15,427 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-28 04:28:15,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:28:15,428 INFO L85 PathProgramCache]: Analyzing trace with hash 1980866195, now seen corresponding path program 1 times [2024-11-28 04:28:15,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:28:15,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783491625] [2024-11-28 04:28:15,428 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:28:15,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:28:15,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:28:15,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [337825472] [2024-11-28 04:28:15,458 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:28:15,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:28:15,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:28:15,460 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:28:15,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 04:28:15,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:28:15,527 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 04:28:15,530 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:28:15,711 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-28 04:28:15,711 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:28:15,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:28:15,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783491625] [2024-11-28 04:28:15,712 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:28:15,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [337825472] [2024-11-28 04:28:15,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [337825472] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:28:15,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:28:15,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:28:15,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276381786] [2024-11-28 04:28:15,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:28:15,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:28:15,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:28:15,713 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:28:15,713 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:28:15,713 INFO L87 Difference]: Start difference. First operand 296 states and 317 transitions. Second operand has 3 states, 2 states have (on average 28.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 04:28:15,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:28:15,787 INFO L93 Difference]: Finished difference Result 296 states and 317 transitions. [2024-11-28 04:28:15,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:28:15,788 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 28.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 94 [2024-11-28 04:28:15,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:28:15,790 INFO L225 Difference]: With dead ends: 296 [2024-11-28 04:28:15,790 INFO L226 Difference]: Without dead ends: 293 [2024-11-28 04:28:15,790 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 91 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:28:15,791 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 95 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:28:15,791 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 158 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:28:15,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2024-11-28 04:28:15,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 293. [2024-11-28 04:28:15,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 216 states have (on average 1.3796296296296295) internal successors, (298), 283 states have internal predecessors, (298), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-28 04:28:15,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 312 transitions. [2024-11-28 04:28:15,804 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 312 transitions. Word has length 94 [2024-11-28 04:28:15,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:28:15,805 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 312 transitions. [2024-11-28 04:28:15,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 28.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 04:28:15,805 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 312 transitions. [2024-11-28 04:28:15,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-28 04:28:15,806 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:28:15,807 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:28:15,816 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-28 04:28:16,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:28:16,011 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-28 04:28:16,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:28:16,011 INFO L85 PathProgramCache]: Analyzing trace with hash 1277310004, now seen corresponding path program 1 times [2024-11-28 04:28:16,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:28:16,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419396978] [2024-11-28 04:28:16,011 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:28:16,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:28:16,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:28:16,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1829200970] [2024-11-28 04:28:16,045 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:28:16,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:28:16,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:28:16,047 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:28:16,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 04:28:16,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:28:16,112 INFO L256 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 04:28:16,117 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:28:16,472 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 04:28:16,472 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:28:16,804 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 04:28:16,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:28:16,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419396978] [2024-11-28 04:28:16,804 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:28:16,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1829200970] [2024-11-28 04:28:16,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1829200970] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:28:16,805 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:28:16,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-28 04:28:16,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546154869] [2024-11-28 04:28:16,805 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:28:16,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 04:28:16,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:28:16,807 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 04:28:16,807 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:28:16,808 INFO L87 Difference]: Start difference. First operand 293 states and 312 transitions. Second operand has 8 states, 7 states have (on average 23.428571428571427) internal successors, (164), 8 states have internal predecessors, (164), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-28 04:28:17,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:28:17,935 INFO L93 Difference]: Finished difference Result 364 states and 379 transitions. [2024-11-28 04:28:17,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 04:28:17,936 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 23.428571428571427) internal successors, (164), 8 states have internal predecessors, (164), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 95 [2024-11-28 04:28:17,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:28:17,938 INFO L225 Difference]: With dead ends: 364 [2024-11-28 04:28:17,938 INFO L226 Difference]: Without dead ends: 357 [2024-11-28 04:28:17,938 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-28 04:28:17,939 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 285 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 766 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 766 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:28:17,939 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [287 Valid, 310 Invalid, 781 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 766 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-28 04:28:17,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2024-11-28 04:28:17,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 330. [2024-11-28 04:28:17,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 254 states have (on average 1.4015748031496063) internal successors, (356), 320 states have internal predecessors, (356), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-28 04:28:17,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 370 transitions. [2024-11-28 04:28:17,955 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 370 transitions. Word has length 95 [2024-11-28 04:28:17,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:28:17,956 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 370 transitions. [2024-11-28 04:28:17,956 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 23.428571428571427) internal successors, (164), 8 states have internal predecessors, (164), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-28 04:28:17,956 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 370 transitions. [2024-11-28 04:28:17,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-28 04:28:17,957 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:28:17,957 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:28:17,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-28 04:28:18,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-28 04:28:18,158 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-28 04:28:18,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:28:18,159 INFO L85 PathProgramCache]: Analyzing trace with hash 941904565, now seen corresponding path program 1 times [2024-11-28 04:28:18,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:28:18,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234241813] [2024-11-28 04:28:18,159 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:28:18,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:28:18,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:28:18,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [9405310] [2024-11-28 04:28:18,232 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:28:18,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:28:18,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:28:18,236 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:28:18,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 04:28:18,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:28:18,307 INFO L256 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-28 04:28:18,313 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:28:18,773 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 04:28:18,773 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:28:20,059 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 04:28:20,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:28:20,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234241813] [2024-11-28 04:28:20,059 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:28:20,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [9405310] [2024-11-28 04:28:20,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [9405310] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 04:28:20,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:28:20,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 8 [2024-11-28 04:28:20,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147129286] [2024-11-28 04:28:20,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:28:20,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:28:20,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:28:20,061 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:28:20,061 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=40, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:28:20,062 INFO L87 Difference]: Start difference. First operand 330 states and 370 transitions. Second operand has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 states have internal predecessors, (87), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 04:28:24,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 04:28:29,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 04:28:33,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 04:28:37,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 04:28:41,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 04:28:46,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 04:28:50,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 04:28:55,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 04:28:59,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 04:29:03,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 04:29:07,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 04:29:11,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 04:29:15,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 04:29:19,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 04:29:23,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 04:29:27,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 04:29:32,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 04:29:36,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 04:29:36,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:29:36,125 INFO L93 Difference]: Finished difference Result 330 states and 370 transitions. [2024-11-28 04:29:36,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:29:36,126 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 states have internal predecessors, (87), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 96 [2024-11-28 04:29:36,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:29:36,127 INFO L225 Difference]: With dead ends: 330 [2024-11-28 04:29:36,127 INFO L226 Difference]: Without dead ends: 328 [2024-11-28 04:29:36,128 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=49, Unknown=0, NotChecked=0, Total=90 [2024-11-28 04:29:36,128 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 145 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 7 mSolverCounterUnsat, 18 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 75.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 18 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 76.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:29:36,128 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 81 Invalid, 500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 475 Invalid, 18 Unknown, 0 Unchecked, 76.0s Time] [2024-11-28 04:29:36,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2024-11-28 04:29:36,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 328. [2024-11-28 04:29:36,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 254 states have (on average 1.3858267716535433) internal successors, (352), 318 states have internal predecessors, (352), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-28 04:29:36,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 366 transitions. [2024-11-28 04:29:36,145 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 366 transitions. Word has length 96 [2024-11-28 04:29:36,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:29:36,145 INFO L471 AbstractCegarLoop]: Abstraction has 328 states and 366 transitions. [2024-11-28 04:29:36,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 states have internal predecessors, (87), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 04:29:36,145 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 366 transitions. [2024-11-28 04:29:36,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-28 04:29:36,146 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:29:36,147 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:29:36,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-28 04:29:36,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-28 04:29:36,351 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-28 04:29:36,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:29:36,351 INFO L85 PathProgramCache]: Analyzing trace with hash -865729450, now seen corresponding path program 1 times [2024-11-28 04:29:36,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:29:36,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558157746] [2024-11-28 04:29:36,352 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:29:36,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:29:36,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:29:36,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1739244181] [2024-11-28 04:29:36,388 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:29:36,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:29:36,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:29:36,391 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:29:36,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-28 04:29:36,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:29:36,448 INFO L256 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 04:29:36,451 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:29:36,642 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 04:29:36,642 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:29:36,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:29:36,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558157746] [2024-11-28 04:29:36,642 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:29:36,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1739244181] [2024-11-28 04:29:36,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1739244181] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:29:36,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:29:36,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:29:36,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476244085] [2024-11-28 04:29:36,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:29:36,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:29:36,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:29:36,643 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:29:36,644 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:29:36,644 INFO L87 Difference]: Start difference. First operand 328 states and 366 transitions. Second operand has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 04:29:37,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:29:37,071 INFO L93 Difference]: Finished difference Result 328 states and 366 transitions. [2024-11-28 04:29:37,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:29:37,072 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 97 [2024-11-28 04:29:37,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:29:37,074 INFO L225 Difference]: With dead ends: 328 [2024-11-28 04:29:37,074 INFO L226 Difference]: Without dead ends: 308 [2024-11-28 04:29:37,075 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:29:37,075 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 200 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 04:29:37,076 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 46 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 04:29:37,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2024-11-28 04:29:37,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 308. [2024-11-28 04:29:37,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 254 states have (on average 1.2677165354330708) internal successors, (322), 298 states have internal predecessors, (322), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-28 04:29:37,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 336 transitions. [2024-11-28 04:29:37,095 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 336 transitions. Word has length 97 [2024-11-28 04:29:37,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:29:37,096 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 336 transitions. [2024-11-28 04:29:37,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 04:29:37,097 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 336 transitions. [2024-11-28 04:29:37,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-28 04:29:37,098 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:29:37,098 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:29:37,110 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-28 04:29:37,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-28 04:29:37,299 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-28 04:29:37,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:29:37,299 INFO L85 PathProgramCache]: Analyzing trace with hash -1067809065, now seen corresponding path program 1 times [2024-11-28 04:29:37,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:29:37,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12272646] [2024-11-28 04:29:37,300 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:29:37,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:29:37,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:29:37,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1519645529] [2024-11-28 04:29:37,331 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:29:37,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:29:37,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:29:37,333 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:29:37,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-28 04:29:37,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:29:37,394 INFO L256 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 04:29:37,396 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:29:37,765 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 04:29:37,765 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:29:38,138 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-28 04:29:38,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:29:38,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12272646] [2024-11-28 04:29:38,138 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:29:38,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1519645529] [2024-11-28 04:29:38,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1519645529] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 04:29:38,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:29:38,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-11-28 04:29:38,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628767791] [2024-11-28 04:29:38,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:29:38,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:29:38,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:29:38,140 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:29:38,140 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:29:38,142 INFO L87 Difference]: Start difference. First operand 308 states and 336 transitions. Second operand has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 04:29:43,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 04:29:48,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 04:29:53,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 04:29:54,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 04:29:55,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:29:55,497 INFO L93 Difference]: Finished difference Result 308 states and 336 transitions. [2024-11-28 04:29:55,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:29:55,497 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 98 [2024-11-28 04:29:55,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:29:55,499 INFO L225 Difference]: With dead ends: 308 [2024-11-28 04:29:55,499 INFO L226 Difference]: Without dead ends: 306 [2024-11-28 04:29:55,499 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 188 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:29:55,499 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 78 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:29:55,500 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 55 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 278 Invalid, 3 Unknown, 0 Unchecked, 17.3s Time] [2024-11-28 04:29:55,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2024-11-28 04:29:55,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 306. [2024-11-28 04:29:55,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 254 states have (on average 1.2519685039370079) internal successors, (318), 296 states have internal predecessors, (318), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-28 04:29:55,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 332 transitions. [2024-11-28 04:29:55,515 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 332 transitions. Word has length 98 [2024-11-28 04:29:55,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:29:55,516 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 332 transitions. [2024-11-28 04:29:55,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 04:29:55,516 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 332 transitions. [2024-11-28 04:29:55,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-28 04:29:55,517 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:29:55,517 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:29:55,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-28 04:29:55,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-28 04:29:55,721 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-28 04:29:55,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:29:55,722 INFO L85 PathProgramCache]: Analyzing trace with hash -1523506668, now seen corresponding path program 1 times [2024-11-28 04:29:55,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:29:55,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133181973] [2024-11-28 04:29:55,722 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:29:55,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:29:55,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:29:55,920 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-28 04:29:55,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:29:55,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133181973] [2024-11-28 04:29:55,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133181973] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:29:55,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [757873914] [2024-11-28 04:29:55,921 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:29:55,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:29:55,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:29:55,923 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:29:55,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-28 04:29:55,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:29:55,981 INFO L256 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 04:29:55,982 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:29:56,117 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-28 04:29:56,118 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:29:56,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [757873914] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:29:56,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:29:56,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-28 04:29:56,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466354690] [2024-11-28 04:29:56,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:29:56,119 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:29:56,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:29:56,120 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:29:56,120 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:29:56,120 INFO L87 Difference]: Start difference. First operand 306 states and 332 transitions. Second operand has 4 states, 3 states have (on average 30.666666666666668) internal successors, (92), 4 states have internal predecessors, (92), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-28 04:29:56,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:29:56,157 INFO L93 Difference]: Finished difference Result 306 states and 332 transitions. [2024-11-28 04:29:56,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:29:56,158 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 30.666666666666668) internal successors, (92), 4 states have internal predecessors, (92), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 106 [2024-11-28 04:29:56,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:29:56,159 INFO L225 Difference]: With dead ends: 306 [2024-11-28 04:29:56,160 INFO L226 Difference]: Without dead ends: 305 [2024-11-28 04:29:56,160 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:29:56,160 INFO L435 NwaCegarLoop]: 175 mSDtfsCounter, 25 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:29:56,161 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 347 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:29:56,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2024-11-28 04:29:56,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 305. [2024-11-28 04:29:56,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 254 states have (on average 1.2440944881889764) internal successors, (316), 295 states have internal predecessors, (316), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-28 04:29:56,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 330 transitions. [2024-11-28 04:29:56,177 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 330 transitions. Word has length 106 [2024-11-28 04:29:56,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:29:56,177 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 330 transitions. [2024-11-28 04:29:56,177 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 30.666666666666668) internal successors, (92), 4 states have internal predecessors, (92), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-28 04:29:56,178 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 330 transitions. [2024-11-28 04:29:56,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-28 04:29:56,179 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:29:56,179 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:29:56,188 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-28 04:29:56,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-28 04:29:56,379 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-28 04:29:56,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:29:56,380 INFO L85 PathProgramCache]: Analyzing trace with hash 15933669, now seen corresponding path program 1 times [2024-11-28 04:29:56,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:29:56,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030912385] [2024-11-28 04:29:56,380 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:29:56,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:29:56,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:29:56,486 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-28 04:29:56,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:29:56,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030912385] [2024-11-28 04:29:56,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030912385] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:29:56,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [172690535] [2024-11-28 04:29:56,486 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:29:56,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:29:56,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:29:56,490 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:29:56,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-28 04:29:56,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:29:56,544 INFO L256 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 04:29:56,546 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:29:56,669 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-28 04:29:56,669 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:29:56,845 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-28 04:29:56,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [172690535] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:29:56,845 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:29:56,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-28 04:29:56,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51112968] [2024-11-28 04:29:56,846 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:29:56,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 04:29:56,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:29:56,847 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:29:56,847 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:29:56,847 INFO L87 Difference]: Start difference. First operand 305 states and 330 transitions. Second operand has 7 states, 6 states have (on average 36.0) internal successors, (216), 7 states have internal predecessors, (216), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-11-28 04:29:56,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:29:56,916 INFO L93 Difference]: Finished difference Result 403 states and 416 transitions. [2024-11-28 04:29:56,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:29:56,916 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 36.0) internal successors, (216), 7 states have internal predecessors, (216), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 107 [2024-11-28 04:29:56,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:29:56,918 INFO L225 Difference]: With dead ends: 403 [2024-11-28 04:29:56,918 INFO L226 Difference]: Without dead ends: 402 [2024-11-28 04:29:56,919 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:29:56,919 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 51 mSDsluCounter, 589 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 729 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:29:56,920 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 729 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:29:56,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2024-11-28 04:29:56,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 361. [2024-11-28 04:29:56,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 308 states have (on average 1.2824675324675325) internal successors, (395), 349 states have internal predecessors, (395), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-28 04:29:56,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 413 transitions. [2024-11-28 04:29:56,939 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 413 transitions. Word has length 107 [2024-11-28 04:29:56,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:29:56,939 INFO L471 AbstractCegarLoop]: Abstraction has 361 states and 413 transitions. [2024-11-28 04:29:56,940 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 36.0) internal successors, (216), 7 states have internal predecessors, (216), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-11-28 04:29:56,940 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 413 transitions. [2024-11-28 04:29:56,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-28 04:29:56,941 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:29:56,941 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:29:56,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-28 04:29:57,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-28 04:29:57,142 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-28 04:29:57,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:29:57,142 INFO L85 PathProgramCache]: Analyzing trace with hash -1000456578, now seen corresponding path program 1 times [2024-11-28 04:29:57,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:29:57,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682417352] [2024-11-28 04:29:57,142 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:29:57,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:29:57,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:29:57,242 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-28 04:29:57,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:29:57,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682417352] [2024-11-28 04:29:57,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682417352] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:29:57,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:29:57,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:29:57,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203622198] [2024-11-28 04:29:57,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:29:57,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:29:57,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:29:57,243 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:29:57,243 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:29:57,243 INFO L87 Difference]: Start difference. First operand 361 states and 413 transitions. Second operand has 4 states, 3 states have (on average 31.333333333333332) internal successors, (94), 4 states have internal predecessors, (94), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-28 04:29:57,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:29:57,506 INFO L93 Difference]: Finished difference Result 361 states and 413 transitions. [2024-11-28 04:29:57,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:29:57,507 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 31.333333333333332) internal successors, (94), 4 states have internal predecessors, (94), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 118 [2024-11-28 04:29:57,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:29:57,509 INFO L225 Difference]: With dead ends: 361 [2024-11-28 04:29:57,509 INFO L226 Difference]: Without dead ends: 354 [2024-11-28 04:29:57,509 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:29:57,510 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 78 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:29:57,510 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 53 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:29:57,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2024-11-28 04:29:57,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 354. [2024-11-28 04:29:57,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 308 states have (on average 1.2370129870129871) internal successors, (381), 342 states have internal predecessors, (381), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-28 04:29:57,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 399 transitions. [2024-11-28 04:29:57,527 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 399 transitions. Word has length 118 [2024-11-28 04:29:57,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:29:57,527 INFO L471 AbstractCegarLoop]: Abstraction has 354 states and 399 transitions. [2024-11-28 04:29:57,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 31.333333333333332) internal successors, (94), 4 states have internal predecessors, (94), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-28 04:29:57,528 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 399 transitions. [2024-11-28 04:29:57,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-28 04:29:57,528 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:29:57,529 INFO L218 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:29:57,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-28 04:29:57,529 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-28 04:29:57,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:29:57,530 INFO L85 PathProgramCache]: Analyzing trace with hash -949382799, now seen corresponding path program 1 times [2024-11-28 04:29:57,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:29:57,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924302111] [2024-11-28 04:29:57,530 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:29:57,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:29:57,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:29:57,612 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-28 04:29:57,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:29:57,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924302111] [2024-11-28 04:29:57,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924302111] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:29:57,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:29:57,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:29:57,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108260283] [2024-11-28 04:29:57,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:29:57,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:29:57,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:29:57,614 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:29:57,614 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:29:57,614 INFO L87 Difference]: Start difference. First operand 354 states and 399 transitions. Second operand has 4 states, 3 states have (on average 31.333333333333332) internal successors, (94), 4 states have internal predecessors, (94), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-28 04:29:57,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:29:57,825 INFO L93 Difference]: Finished difference Result 354 states and 399 transitions. [2024-11-28 04:29:57,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:29:57,825 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 31.333333333333332) internal successors, (94), 4 states have internal predecessors, (94), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 119 [2024-11-28 04:29:57,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:29:57,827 INFO L225 Difference]: With dead ends: 354 [2024-11-28 04:29:57,827 INFO L226 Difference]: Without dead ends: 353 [2024-11-28 04:29:57,827 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:29:57,828 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 107 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:29:57,828 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 40 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:29:57,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2024-11-28 04:29:57,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 353. [2024-11-28 04:29:57,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 308 states have (on average 1.2272727272727273) internal successors, (378), 341 states have internal predecessors, (378), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-28 04:29:57,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 396 transitions. [2024-11-28 04:29:57,846 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 396 transitions. Word has length 119 [2024-11-28 04:29:57,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:29:57,847 INFO L471 AbstractCegarLoop]: Abstraction has 353 states and 396 transitions. [2024-11-28 04:29:57,847 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 31.333333333333332) internal successors, (94), 4 states have internal predecessors, (94), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-28 04:29:57,847 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 396 transitions. [2024-11-28 04:29:57,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-28 04:29:57,848 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:29:57,848 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:29:57,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-28 04:29:57,848 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-28 04:29:57,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:29:57,849 INFO L85 PathProgramCache]: Analyzing trace with hash -1823801517, now seen corresponding path program 1 times [2024-11-28 04:29:57,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:29:57,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843704104] [2024-11-28 04:29:57,849 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:29:57,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:29:57,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:29:57,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1612316090] [2024-11-28 04:29:57,899 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:29:57,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:29:57,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:29:57,901 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:29:57,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-28 04:29:57,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:29:57,971 INFO L256 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 04:29:57,973 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:29:58,131 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-28 04:29:58,131 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:29:58,425 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-28 04:29:58,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:29:58,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843704104] [2024-11-28 04:29:58,427 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:29:58,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1612316090] [2024-11-28 04:29:58,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1612316090] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:29:58,427 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:29:58,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-28 04:29:58,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868101469] [2024-11-28 04:29:58,427 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:29:58,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 04:29:58,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:29:58,428 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 04:29:58,429 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:29:58,429 INFO L87 Difference]: Start difference. First operand 353 states and 396 transitions. Second operand has 8 states, 7 states have (on average 29.428571428571427) internal successors, (206), 8 states have internal predecessors, (206), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-28 04:29:59,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:29:59,214 INFO L93 Difference]: Finished difference Result 414 states and 449 transitions. [2024-11-28 04:29:59,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:29:59,214 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 29.428571428571427) internal successors, (206), 8 states have internal predecessors, (206), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 121 [2024-11-28 04:29:59,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:29:59,216 INFO L225 Difference]: With dead ends: 414 [2024-11-28 04:29:59,217 INFO L226 Difference]: Without dead ends: 384 [2024-11-28 04:29:59,217 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-28 04:29:59,218 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 417 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 731 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 420 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 731 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 04:29:59,218 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [420 Valid, 158 Invalid, 769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 731 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 04:29:59,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2024-11-28 04:29:59,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 337. [2024-11-28 04:29:59,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 297 states have (on average 1.1683501683501682) internal successors, (347), 326 states have internal predecessors, (347), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-28 04:29:59,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 363 transitions. [2024-11-28 04:29:59,238 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 363 transitions. Word has length 121 [2024-11-28 04:29:59,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:29:59,239 INFO L471 AbstractCegarLoop]: Abstraction has 337 states and 363 transitions. [2024-11-28 04:29:59,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 29.428571428571427) internal successors, (206), 8 states have internal predecessors, (206), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-28 04:29:59,239 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 363 transitions. [2024-11-28 04:29:59,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-28 04:29:59,240 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:29:59,241 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:29:59,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-28 04:29:59,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-28 04:29:59,442 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr80ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-28 04:29:59,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:29:59,442 INFO L85 PathProgramCache]: Analyzing trace with hash 1572312268, now seen corresponding path program 1 times [2024-11-28 04:29:59,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:29:59,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313329614] [2024-11-28 04:29:59,443 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:29:59,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:29:59,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:29:59,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [83832026] [2024-11-28 04:29:59,480 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:29:59,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:29:59,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:29:59,482 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:29:59,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-28 04:29:59,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:29:59,552 INFO L256 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 04:29:59,554 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:30:00,068 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-28 04:30:00,068 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:30:01,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:30:01,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313329614] [2024-11-28 04:30:01,027 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:30:01,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [83832026] [2024-11-28 04:30:01,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [83832026] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:30:01,027 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:30:01,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-28 04:30:01,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360290569] [2024-11-28 04:30:01,028 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 04:30:01,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 04:30:01,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:30:01,029 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:30:01,029 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-28 04:30:01,029 INFO L87 Difference]: Start difference. First operand 337 states and 363 transitions. Second operand has 7 states, 6 states have (on average 21.0) internal successors, (126), 7 states have internal predecessors, (126), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-28 04:30:01,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:30:01,530 INFO L93 Difference]: Finished difference Result 375 states and 402 transitions. [2024-11-28 04:30:01,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:30:01,530 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 21.0) internal successors, (126), 7 states have internal predecessors, (126), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 145 [2024-11-28 04:30:01,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:30:01,532 INFO L225 Difference]: With dead ends: 375 [2024-11-28 04:30:01,533 INFO L226 Difference]: Without dead ends: 374 [2024-11-28 04:30:01,533 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-28 04:30:01,534 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 19 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 04:30:01,534 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 271 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 461 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 04:30:01,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2024-11-28 04:30:01,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 373. [2024-11-28 04:30:01,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 332 states have (on average 1.1506024096385543) internal successors, (382), 361 states have internal predecessors, (382), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-28 04:30:01,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 400 transitions. [2024-11-28 04:30:01,560 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 400 transitions. Word has length 145 [2024-11-28 04:30:01,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:30:01,561 INFO L471 AbstractCegarLoop]: Abstraction has 373 states and 400 transitions. [2024-11-28 04:30:01,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 21.0) internal successors, (126), 7 states have internal predecessors, (126), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-28 04:30:01,561 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 400 transitions. [2024-11-28 04:30:01,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-28 04:30:01,564 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:30:01,565 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:30:01,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-28 04:30:01,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:30:01,766 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr81ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-28 04:30:01,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:30:01,766 INFO L85 PathProgramCache]: Analyzing trace with hash 1497040269, now seen corresponding path program 1 times [2024-11-28 04:30:01,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:30:01,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871299161] [2024-11-28 04:30:01,766 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:30:01,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:30:01,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:30:01,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1470677312] [2024-11-28 04:30:01,801 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:30:01,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:30:01,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:30:01,804 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:30:01,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-28 04:30:01,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:30:01,868 INFO L256 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 04:30:01,870 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:30:02,323 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-28 04:30:02,324 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:30:03,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:30:03,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871299161] [2024-11-28 04:30:03,412 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:30:03,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1470677312] [2024-11-28 04:30:03,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1470677312] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:30:03,412 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:30:03,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-28 04:30:03,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333950909] [2024-11-28 04:30:03,413 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 04:30:03,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 04:30:03,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:30:03,414 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:30:03,414 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-28 04:30:03,414 INFO L87 Difference]: Start difference. First operand 373 states and 400 transitions. Second operand has 7 states, 6 states have (on average 21.166666666666668) internal successors, (127), 7 states have internal predecessors, (127), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-28 04:30:03,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:30:03,851 INFO L93 Difference]: Finished difference Result 375 states and 401 transitions. [2024-11-28 04:30:03,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:30:03,852 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 21.166666666666668) internal successors, (127), 7 states have internal predecessors, (127), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 146 [2024-11-28 04:30:03,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:30:03,855 INFO L225 Difference]: With dead ends: 375 [2024-11-28 04:30:03,855 INFO L226 Difference]: Without dead ends: 337 [2024-11-28 04:30:03,856 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-28 04:30:03,856 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 21 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 04:30:03,857 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 288 Invalid, 355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 04:30:03,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2024-11-28 04:30:03,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 337. [2024-11-28 04:30:03,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 297 states have (on average 1.164983164983165) internal successors, (346), 326 states have internal predecessors, (346), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-28 04:30:03,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 362 transitions. [2024-11-28 04:30:03,878 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 362 transitions. Word has length 146 [2024-11-28 04:30:03,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:30:03,878 INFO L471 AbstractCegarLoop]: Abstraction has 337 states and 362 transitions. [2024-11-28 04:30:03,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 21.166666666666668) internal successors, (127), 7 states have internal predecessors, (127), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-28 04:30:03,879 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 362 transitions. [2024-11-28 04:30:03,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-28 04:30:03,880 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:30:03,880 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:30:03,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-28 04:30:04,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:30:04,082 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-28 04:30:04,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:30:04,082 INFO L85 PathProgramCache]: Analyzing trace with hash 573679105, now seen corresponding path program 1 times [2024-11-28 04:30:04,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:30:04,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762768553] [2024-11-28 04:30:04,082 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:30:04,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:30:04,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:30:04,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1020152508] [2024-11-28 04:30:04,118 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:30:04,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:30:04,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:30:04,120 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:30:04,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-28 04:30:04,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:30:04,229 INFO L256 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:30:04,232 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:30:04,493 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-28 04:30:04,493 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:30:04,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:30:04,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762768553] [2024-11-28 04:30:04,493 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:30:04,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1020152508] [2024-11-28 04:30:04,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1020152508] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:30:04,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:30:04,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:30:04,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515202589] [2024-11-28 04:30:04,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:30:04,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:30:04,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:30:04,495 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:30:04,495 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:30:04,495 INFO L87 Difference]: Start difference. First operand 337 states and 362 transitions. Second operand has 6 states, 5 states have (on average 29.0) internal successors, (145), 6 states have internal predecessors, (145), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-28 04:30:04,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:30:04,962 INFO L93 Difference]: Finished difference Result 347 states and 374 transitions. [2024-11-28 04:30:04,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:30:04,963 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 29.0) internal successors, (145), 6 states have internal predecessors, (145), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 164 [2024-11-28 04:30:04,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:30:04,965 INFO L225 Difference]: With dead ends: 347 [2024-11-28 04:30:04,965 INFO L226 Difference]: Without dead ends: 334 [2024-11-28 04:30:04,965 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:30:04,966 INFO L435 NwaCegarLoop]: 53 mSDtfsCounter, 118 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 565 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 04:30:04,966 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 137 Invalid, 577 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 565 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 04:30:04,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2024-11-28 04:30:04,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 321. [2024-11-28 04:30:04,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 321 states, 294 states have (on average 1.098639455782313) internal successors, (323), 310 states have internal predecessors, (323), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-28 04:30:04,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 339 transitions. [2024-11-28 04:30:04,985 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 339 transitions. Word has length 164 [2024-11-28 04:30:04,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:30:04,985 INFO L471 AbstractCegarLoop]: Abstraction has 321 states and 339 transitions. [2024-11-28 04:30:04,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 29.0) internal successors, (145), 6 states have internal predecessors, (145), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-28 04:30:04,986 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 339 transitions. [2024-11-28 04:30:04,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-28 04:30:04,987 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:30:04,987 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:30:04,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-28 04:30:05,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:30:05,188 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-28 04:30:05,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:30:05,189 INFO L85 PathProgramCache]: Analyzing trace with hash 604183204, now seen corresponding path program 1 times [2024-11-28 04:30:05,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:30:05,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116855019] [2024-11-28 04:30:05,190 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:30:05,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:30:05,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:30:05,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1341424158] [2024-11-28 04:30:05,242 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:30:05,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:30:05,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:30:05,246 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:30:05,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-28 04:30:05,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:30:05,336 INFO L256 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:30:05,339 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:30:05,606 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-28 04:30:05,606 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:30:05,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:30:05,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116855019] [2024-11-28 04:30:05,683 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:30:05,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1341424158] [2024-11-28 04:30:05,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1341424158] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:30:05,683 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:30:05,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-28 04:30:05,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782528850] [2024-11-28 04:30:05,683 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 04:30:05,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:30:05,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:30:05,685 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:30:05,685 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:30:05,685 INFO L87 Difference]: Start difference. First operand 321 states and 339 transitions. Second operand has 6 states, 5 states have (on average 29.2) internal successors, (146), 6 states have internal predecessors, (146), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-28 04:30:06,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:30:06,234 INFO L93 Difference]: Finished difference Result 377 states and 399 transitions. [2024-11-28 04:30:06,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:30:06,235 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 29.2) internal successors, (146), 6 states have internal predecessors, (146), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 165 [2024-11-28 04:30:06,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:30:06,237 INFO L225 Difference]: With dead ends: 377 [2024-11-28 04:30:06,237 INFO L226 Difference]: Without dead ends: 374 [2024-11-28 04:30:06,237 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:30:06,238 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 116 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 04:30:06,239 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 109 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 04:30:06,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2024-11-28 04:30:06,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 321. [2024-11-28 04:30:06,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 321 states, 294 states have (on average 1.08843537414966) internal successors, (320), 310 states have internal predecessors, (320), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-28 04:30:06,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 336 transitions. [2024-11-28 04:30:06,256 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 336 transitions. Word has length 165 [2024-11-28 04:30:06,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:30:06,257 INFO L471 AbstractCegarLoop]: Abstraction has 321 states and 336 transitions. [2024-11-28 04:30:06,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 29.2) internal successors, (146), 6 states have internal predecessors, (146), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-28 04:30:06,257 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 336 transitions. [2024-11-28 04:30:06,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-28 04:30:06,259 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:30:06,259 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:30:06,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-28 04:30:06,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:30:06,460 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-28 04:30:06,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:30:06,460 INFO L85 PathProgramCache]: Analyzing trace with hash 799478406, now seen corresponding path program 1 times [2024-11-28 04:30:06,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:30:06,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562639677] [2024-11-28 04:30:06,461 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:30:06,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:30:06,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:30:06,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [590908884] [2024-11-28 04:30:06,509 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:30:06,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:30:06,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:30:06,513 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:30:06,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-28 04:30:06,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:30:06,609 INFO L256 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 04:30:06,611 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:30:06,815 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-28 04:30:06,815 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:30:07,376 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-28 04:30:07,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:30:07,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562639677] [2024-11-28 04:30:07,377 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:30:07,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [590908884] [2024-11-28 04:30:07,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [590908884] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:30:07,377 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:30:07,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-28 04:30:07,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394739601] [2024-11-28 04:30:07,377 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:30:07,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 04:30:07,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:30:07,378 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 04:30:07,378 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-28 04:30:07,378 INFO L87 Difference]: Start difference. First operand 321 states and 336 transitions. Second operand has 10 states, 9 states have (on average 32.0) internal successors, (288), 10 states have internal predecessors, (288), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-28 04:30:08,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:30:08,367 INFO L93 Difference]: Finished difference Result 394 states and 417 transitions. [2024-11-28 04:30:08,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 04:30:08,368 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 32.0) internal successors, (288), 10 states have internal predecessors, (288), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) Word has length 167 [2024-11-28 04:30:08,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:30:08,369 INFO L225 Difference]: With dead ends: 394 [2024-11-28 04:30:08,369 INFO L226 Difference]: Without dead ends: 383 [2024-11-28 04:30:08,370 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 324 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2024-11-28 04:30:08,370 INFO L435 NwaCegarLoop]: 53 mSDtfsCounter, 626 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 996 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 629 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 1027 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 996 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-28 04:30:08,371 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [629 Valid, 207 Invalid, 1027 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 996 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-28 04:30:08,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2024-11-28 04:30:08,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 308. [2024-11-28 04:30:08,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 288 states have (on average 1.0486111111111112) internal successors, (302), 297 states have internal predecessors, (302), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-28 04:30:08,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 318 transitions. [2024-11-28 04:30:08,389 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 318 transitions. Word has length 167 [2024-11-28 04:30:08,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:30:08,390 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 318 transitions. [2024-11-28 04:30:08,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 32.0) internal successors, (288), 10 states have internal predecessors, (288), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-28 04:30:08,390 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 318 transitions. [2024-11-28 04:30:08,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-28 04:30:08,392 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:30:08,392 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:30:08,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-28 04:30:08,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:30:08,593 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-28 04:30:08,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:30:08,593 INFO L85 PathProgramCache]: Analyzing trace with hash -500393368, now seen corresponding path program 1 times [2024-11-28 04:30:08,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:30:08,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034037968] [2024-11-28 04:30:08,594 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:30:08,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:30:08,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:30:08,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1673222987] [2024-11-28 04:30:08,623 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:30:08,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:30:08,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:30:08,627 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:30:08,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-28 04:30:08,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:30:08,716 INFO L256 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-28 04:30:08,718 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:30:09,231 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-28 04:30:09,231 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:30:09,817 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-28 04:30:09,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:30:09,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034037968] [2024-11-28 04:30:09,817 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:30:09,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1673222987] [2024-11-28 04:30:09,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1673222987] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:30:09,817 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:30:09,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-11-28 04:30:09,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403649833] [2024-11-28 04:30:09,818 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:30:09,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 04:30:09,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:30:09,819 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 04:30:09,819 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2024-11-28 04:30:09,819 INFO L87 Difference]: Start difference. First operand 308 states and 318 transitions. Second operand has 14 states, 13 states have (on average 22.46153846153846) internal successors, (292), 14 states have internal predecessors, (292), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-28 04:30:11,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:30:11,593 INFO L93 Difference]: Finished difference Result 547 states and 583 transitions. [2024-11-28 04:30:11,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 04:30:11,593 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 22.46153846153846) internal successors, (292), 14 states have internal predecessors, (292), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) Word has length 169 [2024-11-28 04:30:11,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:30:11,596 INFO L225 Difference]: With dead ends: 547 [2024-11-28 04:30:11,596 INFO L226 Difference]: Without dead ends: 546 [2024-11-28 04:30:11,597 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 324 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=127, Invalid=179, Unknown=0, NotChecked=0, Total=306 [2024-11-28 04:30:11,597 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 418 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 1575 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 419 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 1593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1575 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-28 04:30:11,598 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [419 Valid, 212 Invalid, 1593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1575 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-28 04:30:11,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 546 states. [2024-11-28 04:30:11,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 546 to 414. [2024-11-28 04:30:11,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 392 states have (on average 1.0637755102040816) internal successors, (417), 401 states have internal predecessors, (417), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-28 04:30:11,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 437 transitions. [2024-11-28 04:30:11,625 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 437 transitions. Word has length 169 [2024-11-28 04:30:11,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:30:11,626 INFO L471 AbstractCegarLoop]: Abstraction has 414 states and 437 transitions. [2024-11-28 04:30:11,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 22.46153846153846) internal successors, (292), 14 states have internal predecessors, (292), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-28 04:30:11,626 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 437 transitions. [2024-11-28 04:30:11,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-28 04:30:11,628 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:30:11,629 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:30:11,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-28 04:30:11,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:30:11,833 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr80ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-28 04:30:11,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:30:11,833 INFO L85 PathProgramCache]: Analyzing trace with hash 452963365, now seen corresponding path program 2 times [2024-11-28 04:30:11,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:30:11,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053017703] [2024-11-28 04:30:11,833 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:30:11,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:30:11,871 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 04:30:11,871 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 04:30:11,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1320943584] [2024-11-28 04:30:11,873 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:30:11,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:30:11,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:30:11,875 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:30:11,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-28 04:30:11,938 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 04:30:11,938 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:30:11,939 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 04:30:11,941 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:30:12,857 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-28 04:30:12,858 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:30:12,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:30:12,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053017703] [2024-11-28 04:30:12,858 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:30:12,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1320943584] [2024-11-28 04:30:12,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1320943584] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:30:12,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:30:12,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:30:12,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037246756] [2024-11-28 04:30:12,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:30:12,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:30:12,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:30:12,860 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:30:12,860 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:30:12,860 INFO L87 Difference]: Start difference. First operand 414 states and 437 transitions. Second operand has 4 states, 3 states have (on average 36.333333333333336) internal successors, (109), 4 states have internal predecessors, (109), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-28 04:30:13,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:30:13,061 INFO L93 Difference]: Finished difference Result 414 states and 437 transitions. [2024-11-28 04:30:13,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:30:13,062 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 36.333333333333336) internal successors, (109), 4 states have internal predecessors, (109), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 197 [2024-11-28 04:30:13,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:30:13,063 INFO L225 Difference]: With dead ends: 414 [2024-11-28 04:30:13,063 INFO L226 Difference]: Without dead ends: 355 [2024-11-28 04:30:13,064 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:30:13,064 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 31 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:30:13,064 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 48 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:30:13,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-11-28 04:30:13,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 355. [2024-11-28 04:30:13,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 355 states, 338 states have (on average 1.0502958579881656) internal successors, (355), 343 states have internal predecessors, (355), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-28 04:30:13,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 373 transitions. [2024-11-28 04:30:13,085 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 373 transitions. Word has length 197 [2024-11-28 04:30:13,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:30:13,085 INFO L471 AbstractCegarLoop]: Abstraction has 355 states and 373 transitions. [2024-11-28 04:30:13,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 36.333333333333336) internal successors, (109), 4 states have internal predecessors, (109), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-28 04:30:13,086 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 373 transitions. [2024-11-28 04:30:13,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-28 04:30:13,087 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:30:13,087 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:30:13,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-28 04:30:13,287 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:30:13,288 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-28 04:30:13,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:30:13,288 INFO L85 PathProgramCache]: Analyzing trace with hash -1553536794, now seen corresponding path program 2 times [2024-11-28 04:30:13,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:30:13,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919387633] [2024-11-28 04:30:13,288 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:30:13,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:30:13,318 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 04:30:13,318 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 04:30:13,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1338023661] [2024-11-28 04:30:13,320 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:30:13,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:30:13,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:30:13,323 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:30:13,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-28 04:30:13,427 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 04:30:13,427 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-28 04:30:13,429 WARN L124 FreeRefinementEngine]: Strategy CAMEL was unsuccessful and could not determine trace feasibility [2024-11-28 04:30:13,429 INFO L340 BasicCegarLoop]: Counterexample might be feasible [2024-11-28 04:30:13,438 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (83 of 84 remaining) [2024-11-28 04:30:13,441 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (82 of 84 remaining) [2024-11-28 04:30:13,442 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (81 of 84 remaining) [2024-11-28 04:30:13,442 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (80 of 84 remaining) [2024-11-28 04:30:13,442 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (79 of 84 remaining) [2024-11-28 04:30:13,442 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (78 of 84 remaining) [2024-11-28 04:30:13,442 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (77 of 84 remaining) [2024-11-28 04:30:13,442 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (76 of 84 remaining) [2024-11-28 04:30:13,443 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (75 of 84 remaining) [2024-11-28 04:30:13,443 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (74 of 84 remaining) [2024-11-28 04:30:13,443 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (73 of 84 remaining) [2024-11-28 04:30:13,443 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (72 of 84 remaining) [2024-11-28 04:30:13,443 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (71 of 84 remaining) [2024-11-28 04:30:13,443 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (70 of 84 remaining) [2024-11-28 04:30:13,443 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (69 of 84 remaining) [2024-11-28 04:30:13,444 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (68 of 84 remaining) [2024-11-28 04:30:13,444 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (67 of 84 remaining) [2024-11-28 04:30:13,444 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (66 of 84 remaining) [2024-11-28 04:30:13,444 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (65 of 84 remaining) [2024-11-28 04:30:13,444 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (64 of 84 remaining) [2024-11-28 04:30:13,444 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (63 of 84 remaining) [2024-11-28 04:30:13,444 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (62 of 84 remaining) [2024-11-28 04:30:13,445 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (61 of 84 remaining) [2024-11-28 04:30:13,445 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (60 of 84 remaining) [2024-11-28 04:30:13,445 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (59 of 84 remaining) [2024-11-28 04:30:13,445 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (58 of 84 remaining) [2024-11-28 04:30:13,446 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (57 of 84 remaining) [2024-11-28 04:30:13,446 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (56 of 84 remaining) [2024-11-28 04:30:13,446 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 84 remaining) [2024-11-28 04:30:13,446 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 84 remaining) [2024-11-28 04:30:13,447 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (53 of 84 remaining) [2024-11-28 04:30:13,447 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (52 of 84 remaining) [2024-11-28 04:30:13,447 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 84 remaining) [2024-11-28 04:30:13,447 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 84 remaining) [2024-11-28 04:30:13,447 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 84 remaining) [2024-11-28 04:30:13,447 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 84 remaining) [2024-11-28 04:30:13,447 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 84 remaining) [2024-11-28 04:30:13,448 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 84 remaining) [2024-11-28 04:30:13,448 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 84 remaining) [2024-11-28 04:30:13,448 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 84 remaining) [2024-11-28 04:30:13,448 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 84 remaining) [2024-11-28 04:30:13,448 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 84 remaining) [2024-11-28 04:30:13,448 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 84 remaining) [2024-11-28 04:30:13,448 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 84 remaining) [2024-11-28 04:30:13,448 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 84 remaining) [2024-11-28 04:30:13,448 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 84 remaining) [2024-11-28 04:30:13,449 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 84 remaining) [2024-11-28 04:30:13,449 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 84 remaining) [2024-11-28 04:30:13,449 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 84 remaining) [2024-11-28 04:30:13,449 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 84 remaining) [2024-11-28 04:30:13,449 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 84 remaining) [2024-11-28 04:30:13,449 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 84 remaining) [2024-11-28 04:30:13,449 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 84 remaining) [2024-11-28 04:30:13,449 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 84 remaining) [2024-11-28 04:30:13,450 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 84 remaining) [2024-11-28 04:30:13,450 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 84 remaining) [2024-11-28 04:30:13,450 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 84 remaining) [2024-11-28 04:30:13,450 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 84 remaining) [2024-11-28 04:30:13,450 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 84 remaining) [2024-11-28 04:30:13,450 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 84 remaining) [2024-11-28 04:30:13,450 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 84 remaining) [2024-11-28 04:30:13,450 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 84 remaining) [2024-11-28 04:30:13,450 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 84 remaining) [2024-11-28 04:30:13,451 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 84 remaining) [2024-11-28 04:30:13,451 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr64ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 84 remaining) [2024-11-28 04:30:13,451 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr65ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 84 remaining) [2024-11-28 04:30:13,451 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 84 remaining) [2024-11-28 04:30:13,451 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 84 remaining) [2024-11-28 04:30:13,451 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr68ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 84 remaining) [2024-11-28 04:30:13,451 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr69ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 84 remaining) [2024-11-28 04:30:13,451 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr70ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 84 remaining) [2024-11-28 04:30:13,451 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr71ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 84 remaining) [2024-11-28 04:30:13,451 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr72ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 84 remaining) [2024-11-28 04:30:13,451 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 84 remaining) [2024-11-28 04:30:13,452 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr74ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 84 remaining) [2024-11-28 04:30:13,455 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr75ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 84 remaining) [2024-11-28 04:30:13,455 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 84 remaining) [2024-11-28 04:30:13,455 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr77ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 84 remaining) [2024-11-28 04:30:13,455 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 84 remaining) [2024-11-28 04:30:13,456 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr79ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 84 remaining) [2024-11-28 04:30:13,456 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr80ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 84 remaining) [2024-11-28 04:30:13,456 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr81ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 84 remaining) [2024-11-28 04:30:13,456 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr82ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 84 remaining) [2024-11-28 04:30:13,456 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 84 remaining) [2024-11-28 04:30:13,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-28 04:30:13,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:30:13,659 INFO L422 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:30:13,681 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 04:30:13,688 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:30:13 BoogieIcfgContainer [2024-11-28 04:30:13,688 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 04:30:13,689 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:30:13,689 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:30:13,690 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:30:13,690 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:28:10" (3/4) ... [2024-11-28 04:30:13,693 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 04:30:13,694 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:30:13,695 INFO L158 Benchmark]: Toolchain (without parser) took 124351.30ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 119.0MB in the beginning and 345.5MB in the end (delta: -226.5MB). Peak memory consumption was 56.9MB. Max. memory is 16.1GB. [2024-11-28 04:30:13,695 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 142.6MB. Free memory is still 80.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:30:13,696 INFO L158 Benchmark]: CACSL2BoogieTranslator took 320.21ms. Allocated memory is still 142.6MB. Free memory was 118.8MB in the beginning and 107.7MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:30:13,696 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.17ms. Allocated memory is still 142.6MB. Free memory was 107.4MB in the beginning and 105.6MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:30:13,696 INFO L158 Benchmark]: Boogie Preprocessor took 66.28ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 104.2MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:30:13,699 INFO L158 Benchmark]: RCFGBuilder took 872.84ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 75.5MB in the end (delta: 28.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 04:30:13,700 INFO L158 Benchmark]: TraceAbstraction took 123018.77ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 75.0MB in the beginning and 345.6MB in the end (delta: -270.6MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2024-11-28 04:30:13,700 INFO L158 Benchmark]: Witness Printer took 4.86ms. Allocated memory is still 427.8MB. Free memory was 345.6MB in the beginning and 345.5MB in the end (delta: 87.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:30:13,701 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 142.6MB. Free memory is still 80.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 320.21ms. Allocated memory is still 142.6MB. Free memory was 118.8MB in the beginning and 107.7MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.17ms. Allocated memory is still 142.6MB. Free memory was 107.4MB in the beginning and 105.6MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 66.28ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 104.2MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 872.84ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 75.5MB in the end (delta: 28.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 123018.77ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 75.0MB in the beginning and 345.6MB in the end (delta: -270.6MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. * Witness Printer took 4.86ms. Allocated memory is still 427.8MB. Free memory was 345.6MB in the beginning and 345.5MB in the end (delta: 87.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L18] short k; [L19] long long y, x, c; [L20] k = __VERIFIER_nondet_short() [L21] CALL assume_abort_if_not(k>=0 && k<=5) [L7] COND FALSE !(!cond) [L21] RET assume_abort_if_not(k>=0 && k<=5) [L22] CALL assume_abort_if_not(k <= 256) [L7] COND FALSE !(!cond) [L22] RET assume_abort_if_not(k <= 256) [L24] y = 0 [L25] x = 0 [L26] c = 0 [L29] EXPR 6*y [L29] EXPR 6*y*y [L29] EXPR 6*y*y*y [L29] EXPR 6*y*y*y*y [L29] EXPR 6*y*y*y*y*y [L29] EXPR 15*y [L29] EXPR 15*y*y [L29] EXPR 15*y*y*y [L29] EXPR 15*y*y*y*y [L29] EXPR 6*y*y*y*y*y + 15*y*y*y*y [L29] EXPR 10*y [L29] EXPR 10*y*y [L29] EXPR 10*y*y*y [L29] EXPR 6*y*y*y*y*y + 15*y*y*y*y + 10*y*y*y [L29] EXPR 30*x [L29] EXPR 6*y*y*y*y*y + 15*y*y*y*y + 10*y*y*y - 30*x [L29] EXPR 6*y*y*y*y*y + 15*y*y*y*y + 10*y*y*y - 30*x - y [L29] CALL __VERIFIER_assert(6*y*y*y*y*y + 15*y*y*y*y + 10*y*y*y - 30*x - y == 0) [L10] COND FALSE !(!(cond)) [L29] RET __VERIFIER_assert(6*y*y*y*y*y + 15*y*y*y*y + 10*y*y*y - 30*x - y == 0) [L31] COND FALSE !(!(c < k)) [L34] EXPR c + 1 [L34] c = c + 1 [L35] EXPR y + 1 [L35] y = y + 1 [L36] EXPR y * y [L36] EXPR y * y * y [L36] EXPR y * y * y * y [L36] EXPR y * y * y * y + x [L36] x = y * y * y * y + x [L29] EXPR 6*y [L29] EXPR 6*y*y [L29] EXPR 6*y*y*y [L29] EXPR 6*y*y*y*y [L29] EXPR 6*y*y*y*y*y [L29] EXPR 15*y [L29] EXPR 15*y*y [L29] EXPR 15*y*y*y [L29] EXPR 15*y*y*y*y [L29] EXPR 6*y*y*y*y*y + 15*y*y*y*y [L29] EXPR 10*y [L29] EXPR 10*y*y [L29] EXPR 10*y*y*y [L29] EXPR 6*y*y*y*y*y + 15*y*y*y*y + 10*y*y*y [L29] EXPR 30*x [L29] EXPR 6*y*y*y*y*y + 15*y*y*y*y + 10*y*y*y - 30*x [L29] EXPR 6*y*y*y*y*y + 15*y*y*y*y + 10*y*y*y - 30*x - y [L29] CALL __VERIFIER_assert(6*y*y*y*y*y + 15*y*y*y*y + 10*y*y*y - 30*x - y == 0) [L10] COND FALSE !(!(cond)) [L29] RET __VERIFIER_assert(6*y*y*y*y*y + 15*y*y*y*y + 10*y*y*y - 30*x - y == 0) [L31] COND FALSE !(!(c < k)) [L34] EXPR c + 1 [L34] c = c + 1 [L35] EXPR y + 1 [L35] y = y + 1 [L36] EXPR y * y [L36] EXPR y * y * y [L36] EXPR y * y * y * y [L36] EXPR y * y * y * y + x [L36] x = y * y * y * y + x [L29] EXPR 6*y [L29] EXPR 6*y*y [L29] EXPR 6*y*y*y [L29] EXPR 6*y*y*y*y [L29] EXPR 6*y*y*y*y*y [L29] EXPR 15*y [L29] EXPR 15*y*y [L29] EXPR 15*y*y*y [L29] EXPR 15*y*y*y*y [L29] EXPR 6*y*y*y*y*y + 15*y*y*y*y [L29] EXPR 10*y [L29] EXPR 10*y*y [L29] EXPR 10*y*y*y [L29] EXPR 6*y*y*y*y*y + 15*y*y*y*y + 10*y*y*y [L29] EXPR 30*x [L29] EXPR 6*y*y*y*y*y + 15*y*y*y*y + 10*y*y*y - 30*x [L29] EXPR 6*y*y*y*y*y + 15*y*y*y*y + 10*y*y*y - 30*x - y [L29] CALL __VERIFIER_assert(6*y*y*y*y*y + 15*y*y*y*y + 10*y*y*y - 30*x - y == 0) [L10] COND FALSE !(!(cond)) [L29] RET __VERIFIER_assert(6*y*y*y*y*y + 15*y*y*y*y + 10*y*y*y - 30*x - y == 0) [L31] COND FALSE !(!(c < k)) [L34] EXPR c + 1 [L34] c = c + 1 [L35] EXPR y + 1 [L35] y = y + 1 [L36] EXPR y * y [L36] EXPR y * y * y [L36] EXPR y * y * y * y [L36] EXPR y * y * y * y + x [L36] x = y * y * y * y + x [L29] EXPR 6*y [L29] EXPR 6*y*y [L29] EXPR 6*y*y*y [L29] EXPR 6*y*y*y*y [L29] EXPR 6*y*y*y*y*y [L29] EXPR 15*y [L29] EXPR 15*y*y [L29] EXPR 15*y*y*y [L29] EXPR 15*y*y*y*y [L29] EXPR 6*y*y*y*y*y + 15*y*y*y*y [L29] EXPR 10*y [L29] EXPR 10*y*y [L29] EXPR 10*y*y*y [L29] 6*y*y*y*y*y + 15*y*y*y*y + 10*y*y*y [L29] 30*x - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 36]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 36]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 36]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 36]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 36]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 36]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 36]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 36]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 40]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 40]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 40]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 40]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 191 locations, 84 error locations. Started 1 CEGAR loops. OverallTime: 122.9s, OverallIterations: 26, TraceHistogramMax: 4, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 103.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 21 mSolverCounterUnknown, 3344 SdHoareTripleChecker+Valid, 102.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3311 mSDsluCounter, 5106 SdHoareTripleChecker+Invalid, 101.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2983 mSDsCounter, 288 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8468 IncrementalHoareTripleChecker+Invalid, 8777 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 288 mSolverCounterUnsat, 2123 mSDtfsCounter, 8468 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3108 GetRequests, 2992 SyntacticMatches, 2 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=414occurred in iteration=24, InterpolantAutomatonStates: 132, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 25 MinimizatonAttempts, 420 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 12.3s InterpolantComputationTime, 4979 NumberOfCodeBlocks, 4830 NumberOfCodeBlocksAsserted, 47 NumberOfCheckSat, 3586 ConstructedInterpolants, 0 QuantifiedInterpolants, 26705 SizeOfPredicates, 2 NumberOfNonLiveVariables, 2723 ConjunctsInSsa, 106 ConjunctsInUnsatCore, 35 InterpolantComputations, 17 PerfectInterpolantSequences, 812/1977 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-28 04:30:13,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB --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 e14135f4afb726bf8552a88de51bf2d1eeb5945775070b599f71e8288a74bc87 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:30:16,368 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:30:16,515 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf [2024-11-28 04:30:16,540 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:30:16,541 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:30:16,589 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:30:16,591 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:30:16,591 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:30:16,592 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:30:16,592 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:30:16,594 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:30:16,594 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:30:16,594 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:30:16,594 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:30:16,595 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:30:16,595 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:30:16,595 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:30:16,596 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:30:16,596 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:30:16,596 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:30:16,596 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:30:16,596 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:30:16,596 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:30:16,597 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 04:30:16,597 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 04:30:16,597 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-28 04:30:16,597 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 04:30:16,597 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 04:30:16,597 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:30:16,597 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:30:16,597 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:30:16,598 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:30:16,599 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:30:16,599 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:30:16,599 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:30:16,599 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:30:16,599 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:30:16,599 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:30:16,599 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:30:16,600 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:30:16,600 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:30:16,600 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:30:16,600 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:30:16,601 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:30:16,601 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:30:16,601 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:30:16,601 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 04:30:16,602 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 04:30:16,602 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:30:16,602 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:30:16,602 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:30:16,602 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:30:16,602 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_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB 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 -> e14135f4afb726bf8552a88de51bf2d1eeb5945775070b599f71e8288a74bc87 [2024-11-28 04:30:16,953 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:30:16,962 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:30:16,965 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:30:16,966 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:30:16,967 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:30:16,968 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound5.c [2024-11-28 04:30:19,964 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/data/dcdbf9c50/d17075072a8b4691a2f28e30a833b80c/FLAG07614aea4 [2024-11-28 04:30:20,290 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:30:20,291 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound5.c [2024-11-28 04:30:20,308 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/data/dcdbf9c50/d17075072a8b4691a2f28e30a833b80c/FLAG07614aea4 [2024-11-28 04:30:20,335 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/data/dcdbf9c50/d17075072a8b4691a2f28e30a833b80c [2024-11-28 04:30:20,338 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:30:20,342 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:30:20,344 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:30:20,346 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:30:20,355 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:30:20,359 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:30:20" (1/1) ... [2024-11-28 04:30:20,360 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bf2585e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:20, skipping insertion in model container [2024-11-28 04:30:20,360 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:30:20" (1/1) ... [2024-11-28 04:30:20,379 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:30:20,639 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:30:20,660 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:30:20,705 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:30:20,727 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:30:20,728 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:20 WrapperNode [2024-11-28 04:30:20,728 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:30:20,730 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:30:20,732 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:30:20,732 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:30:20,741 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:20" (1/1) ... [2024-11-28 04:30:20,753 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:20" (1/1) ... [2024-11-28 04:30:20,801 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 124 [2024-11-28 04:30:20,801 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:30:20,802 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:30:20,802 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:30:20,802 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:30:20,820 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:20" (1/1) ... [2024-11-28 04:30:20,820 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:20" (1/1) ... [2024-11-28 04:30:20,825 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:20" (1/1) ... [2024-11-28 04:30:20,847 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 04:30:20,847 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:20" (1/1) ... [2024-11-28 04:30:20,847 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:20" (1/1) ... [2024-11-28 04:30:20,858 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:20" (1/1) ... [2024-11-28 04:30:20,859 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:20" (1/1) ... [2024-11-28 04:30:20,863 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:20" (1/1) ... [2024-11-28 04:30:20,865 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:20" (1/1) ... [2024-11-28 04:30:20,866 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:20" (1/1) ... [2024-11-28 04:30:20,870 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:30:20,871 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:30:20,871 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:30:20,871 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:30:20,872 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:20" (1/1) ... [2024-11-28 04:30:20,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:30:20,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:30:20,920 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:30:20,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:30:20,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:30:20,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 04:30:20,946 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 04:30:20,946 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 04:30:20,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:30:20,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:30:20,947 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-28 04:30:20,947 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-28 04:30:21,004 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:30:21,005 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:32:00,161 INFO L? ?]: Removed 100 outVars from TransFormulas that were not future-live. [2024-11-28 04:32:00,161 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:32:00,180 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:32:00,180 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 04:32:00,181 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:32:00 BoogieIcfgContainer [2024-11-28 04:32:00,181 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:32:00,183 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:32:00,184 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:32:00,189 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:32:00,189 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:30:20" (1/3) ... [2024-11-28 04:32:00,190 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c4d64d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:32:00, skipping insertion in model container [2024-11-28 04:32:00,190 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:20" (2/3) ... [2024-11-28 04:32:00,190 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c4d64d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:32:00, skipping insertion in model container [2024-11-28 04:32:00,191 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:32:00" (3/3) ... [2024-11-28 04:32:00,192 INFO L128 eAbstractionObserver]: Analyzing ICFG ps5-ll_valuebound5.c [2024-11-28 04:32:00,208 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:32:00,210 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG ps5-ll_valuebound5.c that has 3 procedures, 191 locations, 1 initial locations, 1 loop locations, and 84 error locations. [2024-11-28 04:32:00,277 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:32:00,291 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;@12b7d9a6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:32:00,291 INFO L334 AbstractCegarLoop]: Starting to check reachability of 84 error locations. [2024-11-28 04:32:00,296 INFO L276 IsEmpty]: Start isEmpty. Operand has 191 states, 99 states have (on average 1.898989898989899) internal successors, (188), 183 states have internal predecessors, (188), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-28 04:32:00,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-28 04:32:00,304 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:32:00,304 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:32:00,305 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-28 04:32:00,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:00,311 INFO L85 PathProgramCache]: Analyzing trace with hash 1654584368, now seen corresponding path program 1 times [2024-11-28 04:32:00,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:32:00,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1100548642] [2024-11-28 04:32:00,320 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:00,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:32:00,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:32:00,323 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:32:00,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 04:32:00,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:00,385 INFO L256 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 04:32:00,389 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:32:00,418 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-28 04:32:00,418 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:32:00,418 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:32:00,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1100548642] [2024-11-28 04:32:00,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1100548642] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:00,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:00,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:32:00,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421144416] [2024-11-28 04:32:00,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:00,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 04:32:00,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:32:00,452 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 04:32:00,454 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:32:00,457 INFO L87 Difference]: Start difference. First operand has 191 states, 99 states have (on average 1.898989898989899) internal successors, (188), 183 states have internal predecessors, (188), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 04:32:00,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:32:00,491 INFO L93 Difference]: Finished difference Result 376 states and 396 transitions. [2024-11-28 04:32:00,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 04:32:00,493 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14 [2024-11-28 04:32:00,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:32:00,500 INFO L225 Difference]: With dead ends: 376 [2024-11-28 04:32:00,501 INFO L226 Difference]: Without dead ends: 182 [2024-11-28 04:32:00,504 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:32:00,507 INFO L435 NwaCegarLoop]: 191 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:32:00,508 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:32:00,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2024-11-28 04:32:00,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2024-11-28 04:32:00,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 94 states have (on average 1.872340425531915) internal successors, (176), 175 states have internal predecessors, (176), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-28 04:32:00,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 184 transitions. [2024-11-28 04:32:00,565 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 184 transitions. Word has length 14 [2024-11-28 04:32:00,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:32:00,565 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 184 transitions. [2024-11-28 04:32:00,566 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 04:32:00,566 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 184 transitions. [2024-11-28 04:32:00,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-28 04:32:00,570 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:32:00,571 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:32:00,580 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 04:32:00,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:32:00,776 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-28 04:32:00,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:00,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1263404400, now seen corresponding path program 1 times [2024-11-28 04:32:00,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:32:00,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2074140717] [2024-11-28 04:32:00,777 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:00,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:32:00,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:32:00,779 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:32:00,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 04:32:00,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:00,821 INFO L256 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 04:32:00,823 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:32:00,885 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 04:32:00,885 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:32:00,885 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:32:00,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2074140717] [2024-11-28 04:32:00,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2074140717] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:00,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:00,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:32:00,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061032502] [2024-11-28 04:32:00,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:00,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:32:00,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:32:00,889 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:32:00,889 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:32:00,889 INFO L87 Difference]: Start difference. First operand 182 states and 184 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:32:12,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:32:17,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:32:19,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:32:26,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:32:33,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:32:35,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.61s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:32:41,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.80s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:32:43,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:32:51,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:32:53,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:32:55,430 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:33:02,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.07s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:33:06,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:33:15,760 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:33:19,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:33:23,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.34s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:33:28,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:33:29,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:33:32,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.56s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:33:33,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:33:36,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:33:38,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:33:41,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.75s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:33:49,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:33:50,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:34:03,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:34:03,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:34:03,503 INFO L93 Difference]: Finished difference Result 333 states and 339 transitions. [2024-11-28 04:34:03,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:34:03,525 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 14 [2024-11-28 04:34:03,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:34:03,528 INFO L225 Difference]: With dead ends: 333 [2024-11-28 04:34:03,528 INFO L226 Difference]: Without dead ends: 259 [2024-11-28 04:34:03,529 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:34:03,530 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 81 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 66 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 115.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 122.6s IncrementalHoareTripleChecker+Time [2024-11-28 04:34:03,530 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 141 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 223 Invalid, 3 Unknown, 0 Unchecked, 122.6s Time] [2024-11-28 04:34:03,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2024-11-28 04:34:03,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 254. [2024-11-28 04:34:03,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 165 states have (on average 1.5393939393939393) internal successors, (254), 246 states have internal predecessors, (254), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-28 04:34:03,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 264 transitions. [2024-11-28 04:34:03,549 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 264 transitions. Word has length 14 [2024-11-28 04:34:03,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:34:03,551 INFO L471 AbstractCegarLoop]: Abstraction has 254 states and 264 transitions. [2024-11-28 04:34:03,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:34:03,551 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 264 transitions. [2024-11-28 04:34:03,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-28 04:34:03,588 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:34:03,588 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:34:03,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 04:34:03,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:34:03,793 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-28 04:34:03,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:34:03,793 INFO L85 PathProgramCache]: Analyzing trace with hash 1625325516, now seen corresponding path program 1 times [2024-11-28 04:34:03,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:34:03,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [53475593] [2024-11-28 04:34:03,794 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:34:03,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:34:03,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:34:03,801 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:34:03,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 04:34:04,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:34:04,966 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 04:34:04,968 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:34:05,372 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 04:34:05,372 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:34:05,372 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:34:05,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [53475593] [2024-11-28 04:34:05,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [53475593] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:34:05,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:34:05,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:34:05,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060052303] [2024-11-28 04:34:05,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:34:05,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:34:05,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:34:05,375 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:34:05,375 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:34:05,375 INFO L87 Difference]: Start difference. First operand 254 states and 264 transitions. Second operand has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:34:13,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:34:14,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:34:20,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:34:20,400 INFO L93 Difference]: Finished difference Result 277 states and 280 transitions. [2024-11-28 04:34:20,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:34:20,434 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 42 [2024-11-28 04:34:20,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:34:20,436 INFO L225 Difference]: With dead ends: 277 [2024-11-28 04:34:20,436 INFO L226 Difference]: Without dead ends: 237 [2024-11-28 04:34:20,436 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:34:20,438 INFO L435 NwaCegarLoop]: 173 mSDtfsCounter, 57 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:34:20,438 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 327 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 15.0s Time] [2024-11-28 04:34:20,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2024-11-28 04:34:20,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 230. [2024-11-28 04:34:20,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 141 states have (on average 1.6312056737588652) internal successors, (230), 222 states have internal predecessors, (230), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-28 04:34:20,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 240 transitions. [2024-11-28 04:34:20,455 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 240 transitions. Word has length 42 [2024-11-28 04:34:20,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:34:20,455 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 240 transitions. [2024-11-28 04:34:20,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:34:20,456 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 240 transitions. [2024-11-28 04:34:20,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-28 04:34:20,457 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:34:20,457 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:34:20,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-28 04:34:20,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:34:20,658 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-28 04:34:20,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:34:20,659 INFO L85 PathProgramCache]: Analyzing trace with hash -847526836, now seen corresponding path program 1 times [2024-11-28 04:34:20,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:34:20,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [181240513] [2024-11-28 04:34:20,659 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:34:20,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:34:20,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:34:20,661 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:34:20,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 04:34:21,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:34:21,860 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 04:34:21,862 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:34:22,356 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 04:34:22,357 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:34:22,357 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:34:22,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [181240513] [2024-11-28 04:34:22,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [181240513] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:34:22,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:34:22,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:34:22,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10946434] [2024-11-28 04:34:22,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:34:22,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:34:22,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:34:22,360 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:34:22,360 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:34:22,360 INFO L87 Difference]: Start difference. First operand 230 states and 240 transitions. Second operand has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 04:34:22,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:34:22,436 INFO L93 Difference]: Finished difference Result 231 states and 240 transitions. [2024-11-28 04:34:22,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:34:22,437 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 55 [2024-11-28 04:34:22,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:34:22,439 INFO L225 Difference]: With dead ends: 231 [2024-11-28 04:34:22,439 INFO L226 Difference]: Without dead ends: 230 [2024-11-28 04:34:22,440 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:34:22,441 INFO L435 NwaCegarLoop]: 181 mSDtfsCounter, 0 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:34:22,441 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 358 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:34:22,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2024-11-28 04:34:22,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 230. [2024-11-28 04:34:22,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 141 states have (on average 1.624113475177305) internal successors, (229), 222 states have internal predecessors, (229), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-28 04:34:22,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 239 transitions. [2024-11-28 04:34:22,471 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 239 transitions. Word has length 55 [2024-11-28 04:34:22,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:34:22,471 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 239 transitions. [2024-11-28 04:34:22,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 04:34:22,472 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 239 transitions. [2024-11-28 04:34:22,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-28 04:34:22,473 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:34:22,473 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:34:22,557 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-28 04:34:22,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:34:22,674 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-28 04:34:22,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:34:22,675 INFO L85 PathProgramCache]: Analyzing trace with hash 1440884113, now seen corresponding path program 1 times [2024-11-28 04:34:22,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:34:22,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [279732468] [2024-11-28 04:34:22,675 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:34:22,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:34:22,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:34:22,678 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:34:22,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 04:34:23,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:34:24,156 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 04:34:24,158 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:34:24,673 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 04:34:24,673 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:34:24,674 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:34:24,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [279732468] [2024-11-28 04:34:24,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [279732468] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:34:24,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:34:24,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:34:24,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685047349] [2024-11-28 04:34:24,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:34:24,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:34:24,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:34:24,675 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:34:24,675 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:34:24,675 INFO L87 Difference]: Start difference. First operand 230 states and 239 transitions. Second operand has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 04:34:42,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:34:46,732 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:34:51,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:34:57,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:34:59,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:35:01,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:35:03,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:35:08,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:35:12,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:35:18,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:35:23,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:35:28,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:35:30,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:35:35,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:35:36,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:35:37,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:35:40,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:35:43,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.61s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:35:45,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:35:46,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:35:48,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:35:51,594 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:35:55,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:35:56,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:35:58,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:36:00,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:36:03,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.96s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:36:22,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:36:26,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:36:27,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:36:27,042 INFO L93 Difference]: Finished difference Result 387 states and 394 transitions. [2024-11-28 04:36:27,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:36:27,064 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 58 [2024-11-28 04:36:27,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:36:27,066 INFO L225 Difference]: With dead ends: 387 [2024-11-28 04:36:27,066 INFO L226 Difference]: Without dead ends: 307 [2024-11-28 04:36:27,068 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:36:27,068 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 89 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 72 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 114.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 122.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:36:27,069 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 167 Invalid, 500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 423 Invalid, 5 Unknown, 0 Unchecked, 122.3s Time] [2024-11-28 04:36:27,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2024-11-28 04:36:27,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 302. [2024-11-28 04:36:27,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 212 states have (on average 1.419811320754717) internal successors, (301), 293 states have internal predecessors, (301), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-28 04:36:27,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 313 transitions. [2024-11-28 04:36:27,091 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 313 transitions. Word has length 58 [2024-11-28 04:36:27,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:36:27,092 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 313 transitions. [2024-11-28 04:36:27,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 04:36:27,092 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 313 transitions. [2024-11-28 04:36:27,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-28 04:36:27,095 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:36:27,095 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:36:27,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-28 04:36:27,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:36:27,299 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2024-11-28 04:36:27,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:36:27,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1980866195, now seen corresponding path program 1 times [2024-11-28 04:36:27,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:36:27,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [937481994] [2024-11-28 04:36:27,300 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:36:27,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:36:27,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:36:27,302 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:36:27,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_030648bb-a45f-4a8c-82ee-bf31f3c7a860/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-28 04:36:30,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:36:30,391 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:36:30,395 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:36:32,155 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 04:36:32,155 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:37:26,147 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-28 04:37:26,148 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:37:26,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [937481994] [2024-11-28 04:37:26,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [937481994] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:37:26,148 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:37:26,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-28 04:37:26,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767885623] [2024-11-28 04:37:26,148 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:37:26,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 04:37:26,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:37:26,150 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 04:37:26,150 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:37:26,150 INFO L87 Difference]: Start difference. First operand 302 states and 313 transitions. Second operand has 8 states, 7 states have (on average 23.142857142857142) internal successors, (162), 8 states have internal predecessors, (162), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-28 04:37:38,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:37:42,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:37:44,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:37:47,584 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:37:51,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:37:54,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:37:58,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:38:00,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:38:02,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:38:06,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:38:14,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:38:28,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.25s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:38:30,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.64s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:38:35,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:38:39,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:38:43,082 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:38:47,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:38:51,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:38:55,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:38:57,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:39:01,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:39:05,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:39:09,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:39:13,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:39:14,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:39:16,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:39:18,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:39:20,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:39:25,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:39:27,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:39:29,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:39:33,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:39:43,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:39:47,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:39:50,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:39:54,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:39:57,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:39:59,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:40:01,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:40:02,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:40:03,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:40:05,401 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:40:06,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:40:08,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:40:11,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:40:13,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:40:15,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:40:18,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.69s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:40:20,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:40:21,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:40:24,311 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:40:25,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:40:29,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:40:33,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:40:35,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:40:37,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:40:39,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:40:41,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:40:43,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:40:44,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:40:46,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:40:49,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.24s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:40:54,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.74s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:40:56,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:40:59,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:41:03,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:41:04,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:41:06,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:41:08,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:41:12,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:41:13,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:41:16,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.44s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:41:23,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:41:24,918 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:41:27,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:41:28,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:41:30,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:41:35,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:41:37,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:41:39,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:41:41,200 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:41:43,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:41:44,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:41:51,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:41:54,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:41:55,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:42:00,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:42:02,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:42:06,458 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:42:15,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:42:21,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:42:26,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:42:30,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:42:34,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:42:38,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:42:42,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.63s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:42:43,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:42:45,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:42:49,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:42:53,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:42:57,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:42:58,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:43:00,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:43:01,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:43:04,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:43:05,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:43:06,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:43:09,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:43:10,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:43:14,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:43:16,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:43:17,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []