./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound1.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_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/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_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/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_5948e452-42a2-4eea-ac4a-6999010c6423/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 008f13fd1550f54b25db8c20ee30759d3819e45d65744da9f4f77718b68e7e66 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:07:13,277 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:07:13,408 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-27 20:07:13,415 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:07:13,415 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:07:13,445 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:07:13,446 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:07:13,446 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:07:13,447 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:07:13,447 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:07:13,447 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:07:13,447 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:07:13,448 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:07:13,448 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:07:13,448 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:07:13,449 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:07:13,449 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:07:13,449 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 20:07:13,449 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:07:13,449 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 20:07:13,449 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:07:13,450 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:07:13,450 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:07:13,450 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:07:13,450 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-27 20:07:13,450 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 20:07:13,451 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 20:07:13,451 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:07:13,451 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:07:13,451 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:07:13,451 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:07:13,452 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:07:13,452 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:07:13,452 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:07:13,452 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:07:13,452 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:07:13,453 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:07:13,453 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:07:13,453 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:07:13,453 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:07:13,453 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:07:13,453 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:07:13,454 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:07:13,454 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:07:13,454 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 20:07:13,454 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 20:07:13,454 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:07:13,454 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:07:13,454 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:07:13,454 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:07:13,455 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_5948e452-42a2-4eea-ac4a-6999010c6423/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 -> 008f13fd1550f54b25db8c20ee30759d3819e45d65744da9f4f77718b68e7e66 [2024-11-27 20:07:13,811 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:07:13,824 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:07:13,828 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:07:13,829 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:07:13,830 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:07:13,832 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound1.c [2024-11-27 20:07:17,621 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/data/d0fd4c661/c13aaff7eae344d184dd637fee1b7794/FLAG444b04038 [2024-11-27 20:07:18,034 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:07:18,035 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound1.c [2024-11-27 20:07:18,043 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/data/d0fd4c661/c13aaff7eae344d184dd637fee1b7794/FLAG444b04038 [2024-11-27 20:07:18,223 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/data/d0fd4c661/c13aaff7eae344d184dd637fee1b7794 [2024-11-27 20:07:18,226 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:07:18,227 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:07:18,229 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:07:18,229 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:07:18,235 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:07:18,236 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:07:18" (1/1) ... [2024-11-27 20:07:18,237 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33646a77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:07:18, skipping insertion in model container [2024-11-27 20:07:18,238 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:07:18" (1/1) ... [2024-11-27 20:07:18,262 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:07:18,518 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:07:18,537 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:07:18,569 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:07:18,588 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:07:18,588 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:07:18 WrapperNode [2024-11-27 20:07:18,589 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:07:18,590 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:07:18,590 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:07:18,591 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:07:18,599 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:07:18" (1/1) ... [2024-11-27 20:07:18,607 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:07:18" (1/1) ... [2024-11-27 20:07:18,631 INFO L138 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 118 [2024-11-27 20:07:18,632 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:07:18,633 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:07:18,633 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:07:18,633 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:07:18,644 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:07:18" (1/1) ... [2024-11-27 20:07:18,645 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:07:18" (1/1) ... [2024-11-27 20:07:18,649 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:07:18" (1/1) ... [2024-11-27 20:07:18,674 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]. [2024-11-27 20:07:18,677 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:07:18" (1/1) ... [2024-11-27 20:07:18,677 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:07:18" (1/1) ... [2024-11-27 20:07:18,681 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:07:18" (1/1) ... [2024-11-27 20:07:18,686 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:07:18" (1/1) ... [2024-11-27 20:07:18,693 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:07:18" (1/1) ... [2024-11-27 20:07:18,695 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:07:18" (1/1) ... [2024-11-27 20:07:18,696 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:07:18" (1/1) ... [2024-11-27 20:07:18,698 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:07:18,699 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:07:18,700 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:07:18,700 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:07:18,701 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:07:18" (1/1) ... [2024-11-27 20:07:18,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:07:18,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:07:18,747 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:07:18,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:07:18,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:07:18,783 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-27 20:07:18,783 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-27 20:07:18,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 20:07:18,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:07:18,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:07:18,783 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-27 20:07:18,783 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-27 20:07:18,852 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:07:18,855 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:07:19,696 INFO L? ?]: Removed 157 outVars from TransFormulas that were not future-live. [2024-11-27 20:07:19,696 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:07:19,726 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:07:19,727 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-27 20:07:19,727 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:07:19 BoogieIcfgContainer [2024-11-27 20:07:19,727 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:07:19,733 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:07:19,733 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:07:19,741 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:07:19,741 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:07:18" (1/3) ... [2024-11-27 20:07:19,742 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ec397dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:07:19, skipping insertion in model container [2024-11-27 20:07:19,743 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:07:18" (2/3) ... [2024-11-27 20:07:19,744 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ec397dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:07:19, skipping insertion in model container [2024-11-27 20:07:19,744 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:07:19" (3/3) ... [2024-11-27 20:07:19,745 INFO L128 eAbstractionObserver]: Analyzing ICFG egcd-ll_valuebound1.c [2024-11-27 20:07:19,769 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:07:19,773 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG egcd-ll_valuebound1.c that has 3 procedures, 143 locations, 1 initial locations, 1 loop locations, and 56 error locations. [2024-11-27 20:07:19,871 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:07:19,887 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;@1be138ef, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:07:19,887 INFO L334 AbstractCegarLoop]: Starting to check reachability of 56 error locations. [2024-11-27 20:07:19,892 INFO L276 IsEmpty]: Start isEmpty. Operand has 143 states, 73 states have (on average 1.8493150684931507) internal successors, (135), 129 states have internal predecessors, (135), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-27 20:07:19,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-27 20:07:19,900 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:07:19,900 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:07:19,901 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-27 20:07:19,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:07:19,907 INFO L85 PathProgramCache]: Analyzing trace with hash 2059565640, now seen corresponding path program 1 times [2024-11-27 20:07:19,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:07:19,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931906097] [2024-11-27 20:07:19,918 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:19,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:07:20,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:07:20,117 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-27 20:07:20,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:07:20,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931906097] [2024-11-27 20:07:20,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931906097] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:07:20,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1083217459] [2024-11-27 20:07:20,122 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:20,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:07:20,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:07:20,126 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:07:20,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 20:07:20,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:07:20,220 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-27 20:07:20,226 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:07:20,240 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-27 20:07:20,241 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:07:20,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1083217459] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:07:20,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:07:20,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-27 20:07:20,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118769525] [2024-11-27 20:07:20,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:07:20,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 20:07:20,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:07:20,280 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 20:07:20,282 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 20:07:20,285 INFO L87 Difference]: Start difference. First operand has 143 states, 73 states have (on average 1.8493150684931507) internal successors, (135), 129 states have internal predecessors, (135), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-27 20:07:20,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:07:20,341 INFO L93 Difference]: Finished difference Result 282 states and 320 transitions. [2024-11-27 20:07:20,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 20:07:20,344 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 25 [2024-11-27 20:07:20,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:07:20,357 INFO L225 Difference]: With dead ends: 282 [2024-11-27 20:07:20,357 INFO L226 Difference]: Without dead ends: 136 [2024-11-27 20:07:20,363 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 20:07:20,366 INFO L435 NwaCegarLoop]: 152 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, 152 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 [2024-11-27 20:07:20,367 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:07:20,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2024-11-27 20:07:20,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2024-11-27 20:07:20,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 68 states have (on average 1.838235294117647) internal successors, (125), 123 states have internal predecessors, (125), 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) [2024-11-27 20:07:20,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 145 transitions. [2024-11-27 20:07:20,447 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 145 transitions. Word has length 25 [2024-11-27 20:07:20,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:07:20,447 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 145 transitions. [2024-11-27 20:07:20,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-27 20:07:20,450 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 145 transitions. [2024-11-27 20:07:20,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-27 20:07:20,452 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:07:20,453 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:07:20,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-27 20:07:20,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-27 20:07:20,658 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-27 20:07:20,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:07:20,659 INFO L85 PathProgramCache]: Analyzing trace with hash 811223820, now seen corresponding path program 1 times [2024-11-27 20:07:20,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:07:20,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642380981] [2024-11-27 20:07:20,659 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:20,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:07:20,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:07:20,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [993773701] [2024-11-27 20:07:20,704 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:20,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:07:20,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:07:20,707 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:07:20,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 20:07:20,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:07:20,783 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 20:07:20,785 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:07:20,833 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-27 20:07:20,833 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:07:20,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:07:20,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642380981] [2024-11-27 20:07:20,836 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:07:20,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [993773701] [2024-11-27 20:07:20,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [993773701] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:07:20,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:07:20,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:07:20,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090310911] [2024-11-27 20:07:20,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:07:20,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:07:20,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:07:20,839 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:07:20,840 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:07:20,840 INFO L87 Difference]: Start difference. First operand 136 states and 145 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-27 20:07:21,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:07:21,392 INFO L93 Difference]: Finished difference Result 220 states and 268 transitions. [2024-11-27 20:07:21,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:07:21,393 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 25 [2024-11-27 20:07:21,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:07:21,395 INFO L225 Difference]: With dead ends: 220 [2024-11-27 20:07:21,395 INFO L226 Difference]: Without dead ends: 216 [2024-11-27 20:07:21,396 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:07:21,397 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 73 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-27 20:07:21,397 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 146 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-27 20:07:21,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2024-11-27 20:07:21,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 174. [2024-11-27 20:07:21,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 101 states have (on average 1.8514851485148516) internal successors, (187), 156 states have internal predecessors, (187), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-27 20:07:21,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 217 transitions. [2024-11-27 20:07:21,425 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 217 transitions. Word has length 25 [2024-11-27 20:07:21,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:07:21,426 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 217 transitions. [2024-11-27 20:07:21,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-27 20:07:21,426 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 217 transitions. [2024-11-27 20:07:21,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-27 20:07:21,427 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:07:21,427 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:07:21,436 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-27 20:07:21,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-27 20:07:21,628 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-27 20:07:21,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:07:21,629 INFO L85 PathProgramCache]: Analyzing trace with hash -2097955250, now seen corresponding path program 1 times [2024-11-27 20:07:21,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:07:21,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641845968] [2024-11-27 20:07:21,630 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:21,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:07:21,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:07:21,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1589692270] [2024-11-27 20:07:21,661 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:21,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:07:21,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:07:21,664 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:07:21,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-27 20:07:21,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:07:21,726 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 20:07:21,728 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:07:21,755 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-27 20:07:21,755 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:07:21,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:07:21,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641845968] [2024-11-27 20:07:21,756 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:07:21,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1589692270] [2024-11-27 20:07:21,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1589692270] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:07:21,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:07:21,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:07:21,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348552052] [2024-11-27 20:07:21,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:07:21,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:07:21,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:07:21,758 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:07:21,758 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:07:21,758 INFO L87 Difference]: Start difference. First operand 174 states and 217 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-27 20:07:22,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:07:22,100 INFO L93 Difference]: Finished difference Result 274 states and 340 transitions. [2024-11-27 20:07:22,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:07:22,101 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 27 [2024-11-27 20:07:22,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:07:22,103 INFO L225 Difference]: With dead ends: 274 [2024-11-27 20:07:22,105 INFO L226 Difference]: Without dead ends: 266 [2024-11-27 20:07:22,106 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:07:22,107 INFO L435 NwaCegarLoop]: 110 mSDtfsCounter, 84 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:07:22,109 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 206 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 20:07:22,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2024-11-27 20:07:22,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 226. [2024-11-27 20:07:22,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 147 states have (on average 1.8027210884353742) internal successors, (265), 202 states have internal predecessors, (265), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-27 20:07:22,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 307 transitions. [2024-11-27 20:07:22,135 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 307 transitions. Word has length 27 [2024-11-27 20:07:22,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:07:22,136 INFO L471 AbstractCegarLoop]: Abstraction has 226 states and 307 transitions. [2024-11-27 20:07:22,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-27 20:07:22,136 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 307 transitions. [2024-11-27 20:07:22,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-27 20:07:22,137 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:07:22,137 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:07:22,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-27 20:07:22,338 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:07:22,338 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-27 20:07:22,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:07:22,338 INFO L85 PathProgramCache]: Analyzing trace with hash -1795331696, now seen corresponding path program 1 times [2024-11-27 20:07:22,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:07:22,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520492373] [2024-11-27 20:07:22,339 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:22,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:07:22,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:07:22,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [231051749] [2024-11-27 20:07:22,377 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:22,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:07:22,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:07:22,380 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:07:22,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-27 20:07:22,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:07:22,444 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-27 20:07:22,446 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:07:22,564 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-27 20:07:22,564 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:07:22,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:07:22,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520492373] [2024-11-27 20:07:22,564 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:07:22,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [231051749] [2024-11-27 20:07:22,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [231051749] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:07:22,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:07:22,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:07:22,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768019835] [2024-11-27 20:07:22,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:07:22,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:07:22,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:07:22,566 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:07:22,566 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:07:22,566 INFO L87 Difference]: Start difference. First operand 226 states and 307 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-27 20:07:23,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:07:23,032 INFO L93 Difference]: Finished difference Result 260 states and 326 transitions. [2024-11-27 20:07:23,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:07:23,033 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 29 [2024-11-27 20:07:23,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:07:23,035 INFO L225 Difference]: With dead ends: 260 [2024-11-27 20:07:23,035 INFO L226 Difference]: Without dead ends: 246 [2024-11-27 20:07:23,036 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:07:23,037 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 61 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 20:07:23,037 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 132 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 20:07:23,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2024-11-27 20:07:23,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 192. [2024-11-27 20:07:23,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 118 states have (on average 1.7203389830508475) internal successors, (203), 173 states have internal predecessors, (203), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-27 20:07:23,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 235 transitions. [2024-11-27 20:07:23,055 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 235 transitions. Word has length 29 [2024-11-27 20:07:23,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:07:23,056 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 235 transitions. [2024-11-27 20:07:23,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-27 20:07:23,056 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 235 transitions. [2024-11-27 20:07:23,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-27 20:07:23,057 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:07:23,057 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:07:23,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-27 20:07:23,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:07:23,262 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-27 20:07:23,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:07:23,262 INFO L85 PathProgramCache]: Analyzing trace with hash 2135988288, now seen corresponding path program 1 times [2024-11-27 20:07:23,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:07:23,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488220526] [2024-11-27 20:07:23,262 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:23,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:07:23,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:07:23,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1533357351] [2024-11-27 20:07:23,296 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:23,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:07:23,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:07:23,299 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:07:23,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-27 20:07:23,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:07:23,396 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 20:07:23,403 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:07:23,454 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-27 20:07:23,455 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:07:23,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:07:23,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488220526] [2024-11-27 20:07:23,455 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:07:23,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1533357351] [2024-11-27 20:07:23,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1533357351] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:07:23,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:07:23,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:07:23,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409502295] [2024-11-27 20:07:23,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:07:23,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:07:23,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:07:23,458 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:07:23,458 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:07:23,458 INFO L87 Difference]: Start difference. First operand 192 states and 235 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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) [2024-11-27 20:07:23,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:07:23,783 INFO L93 Difference]: Finished difference Result 352 states and 452 transitions. [2024-11-27 20:07:23,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:07:23,784 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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 36 [2024-11-27 20:07:23,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:07:23,787 INFO L225 Difference]: With dead ends: 352 [2024-11-27 20:07:23,787 INFO L226 Difference]: Without dead ends: 344 [2024-11-27 20:07:23,788 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:07:23,788 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 84 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:07:23,789 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 200 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 20:07:23,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2024-11-27 20:07:23,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 269. [2024-11-27 20:07:23,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 186 states have (on average 1.7043010752688172) internal successors, (317), 241 states have internal predecessors, (317), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-27 20:07:23,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 367 transitions. [2024-11-27 20:07:23,814 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 367 transitions. Word has length 36 [2024-11-27 20:07:23,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:07:23,814 INFO L471 AbstractCegarLoop]: Abstraction has 269 states and 367 transitions. [2024-11-27 20:07:23,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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) [2024-11-27 20:07:23,814 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 367 transitions. [2024-11-27 20:07:23,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-27 20:07:23,815 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:07:23,815 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:07:23,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-27 20:07:24,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:07:24,016 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-27 20:07:24,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:07:24,017 INFO L85 PathProgramCache]: Analyzing trace with hash -309620702, now seen corresponding path program 1 times [2024-11-27 20:07:24,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:07:24,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422259967] [2024-11-27 20:07:24,017 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:24,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:07:24,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:07:24,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2139510702] [2024-11-27 20:07:24,080 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:24,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:07:24,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:07:24,086 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:07:24,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-27 20:07:24,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:07:24,156 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 20:07:24,158 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:07:24,329 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-27 20:07:24,331 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:07:24,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:07:24,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422259967] [2024-11-27 20:07:24,332 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:07:24,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2139510702] [2024-11-27 20:07:24,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2139510702] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:07:24,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:07:24,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:07:24,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859137605] [2024-11-27 20:07:24,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:07:24,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:07:24,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:07:24,334 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:07:24,334 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:07:24,334 INFO L87 Difference]: Start difference. First operand 269 states and 367 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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) [2024-11-27 20:07:24,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:07:24,693 INFO L93 Difference]: Finished difference Result 322 states and 432 transitions. [2024-11-27 20:07:24,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:07:24,694 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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 38 [2024-11-27 20:07:24,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:07:24,696 INFO L225 Difference]: With dead ends: 322 [2024-11-27 20:07:24,696 INFO L226 Difference]: Without dead ends: 320 [2024-11-27 20:07:24,697 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:07:24,697 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 230 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:07:24,698 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 143 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 20:07:24,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2024-11-27 20:07:24,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 269. [2024-11-27 20:07:24,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 186 states have (on average 1.6827956989247312) internal successors, (313), 241 states have internal predecessors, (313), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-27 20:07:24,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 363 transitions. [2024-11-27 20:07:24,749 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 363 transitions. Word has length 38 [2024-11-27 20:07:24,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:07:24,750 INFO L471 AbstractCegarLoop]: Abstraction has 269 states and 363 transitions. [2024-11-27 20:07:24,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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) [2024-11-27 20:07:24,750 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 363 transitions. [2024-11-27 20:07:24,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-27 20:07:24,751 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:07:24,751 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:07:24,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-27 20:07:24,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:07:24,959 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-27 20:07:24,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:07:24,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1008307103, now seen corresponding path program 1 times [2024-11-27 20:07:24,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:07:24,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630173314] [2024-11-27 20:07:24,960 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:24,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:07:24,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:07:24,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1070002750] [2024-11-27 20:07:24,988 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:24,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:07:24,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:07:24,991 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:07:24,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-27 20:07:25,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:07:25,073 INFO L256 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 20:07:25,075 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:07:25,189 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-27 20:07:25,189 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:07:25,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:07:25,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630173314] [2024-11-27 20:07:25,190 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:07:25,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1070002750] [2024-11-27 20:07:25,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1070002750] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:07:25,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:07:25,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:07:25,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719889499] [2024-11-27 20:07:25,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:07:25,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:07:25,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:07:25,192 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:07:25,192 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:07:25,192 INFO L87 Difference]: Start difference. First operand 269 states and 363 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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) [2024-11-27 20:07:25,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:07:25,554 INFO L93 Difference]: Finished difference Result 322 states and 428 transitions. [2024-11-27 20:07:25,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:07:25,555 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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 39 [2024-11-27 20:07:25,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:07:25,557 INFO L225 Difference]: With dead ends: 322 [2024-11-27 20:07:25,558 INFO L226 Difference]: Without dead ends: 320 [2024-11-27 20:07:25,558 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:07:25,559 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 169 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:07:25,559 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 160 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 20:07:25,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2024-11-27 20:07:25,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 269. [2024-11-27 20:07:25,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 186 states have (on average 1.6612903225806452) internal successors, (309), 241 states have internal predecessors, (309), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-27 20:07:25,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 359 transitions. [2024-11-27 20:07:25,583 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 359 transitions. Word has length 39 [2024-11-27 20:07:25,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:07:25,583 INFO L471 AbstractCegarLoop]: Abstraction has 269 states and 359 transitions. [2024-11-27 20:07:25,584 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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) [2024-11-27 20:07:25,584 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 359 transitions. [2024-11-27 20:07:25,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-27 20:07:25,585 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:07:25,585 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:07:25,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-27 20:07:25,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-27 20:07:25,789 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-27 20:07:25,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:07:25,790 INFO L85 PathProgramCache]: Analyzing trace with hash -1192749052, now seen corresponding path program 1 times [2024-11-27 20:07:25,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:07:25,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327060292] [2024-11-27 20:07:25,790 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:25,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:07:25,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:07:25,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [25530670] [2024-11-27 20:07:25,816 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:25,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:07:25,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:07:25,818 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:07:25,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-27 20:07:25,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:07:25,901 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 20:07:25,903 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:07:25,974 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-27 20:07:25,974 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:07:25,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:07:25,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327060292] [2024-11-27 20:07:25,975 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:07:25,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [25530670] [2024-11-27 20:07:25,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [25530670] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:07:25,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:07:25,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:07:25,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341295989] [2024-11-27 20:07:25,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:07:25,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:07:25,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:07:25,976 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:07:25,976 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:07:25,976 INFO L87 Difference]: Start difference. First operand 269 states and 359 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 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) [2024-11-27 20:07:26,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:07:26,614 INFO L93 Difference]: Finished difference Result 342 states and 432 transitions. [2024-11-27 20:07:26,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:07:26,614 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 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 40 [2024-11-27 20:07:26,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:07:26,617 INFO L225 Difference]: With dead ends: 342 [2024-11-27 20:07:26,617 INFO L226 Difference]: Without dead ends: 340 [2024-11-27 20:07:26,617 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:07:26,618 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 84 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-27 20:07:26,618 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 221 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-27 20:07:26,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-11-27 20:07:26,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 270. [2024-11-27 20:07:26,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 187 states have (on average 1.641711229946524) internal successors, (307), 242 states have internal predecessors, (307), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-27 20:07:26,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 357 transitions. [2024-11-27 20:07:26,639 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 357 transitions. Word has length 40 [2024-11-27 20:07:26,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:07:26,640 INFO L471 AbstractCegarLoop]: Abstraction has 270 states and 357 transitions. [2024-11-27 20:07:26,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 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) [2024-11-27 20:07:26,640 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 357 transitions. [2024-11-27 20:07:26,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-27 20:07:26,641 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:07:26,641 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:07:26,652 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-27 20:07:26,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-27 20:07:26,845 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-27 20:07:26,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:07:26,846 INFO L85 PathProgramCache]: Analyzing trace with hash 1679485123, now seen corresponding path program 1 times [2024-11-27 20:07:26,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:07:26,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862979379] [2024-11-27 20:07:26,846 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:26,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:07:26,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:07:26,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [733534615] [2024-11-27 20:07:26,897 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:26,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:07:26,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:07:26,903 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:07:26,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-27 20:07:26,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:07:26,962 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 20:07:26,964 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:07:27,118 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-27 20:07:27,119 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:07:27,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:07:27,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862979379] [2024-11-27 20:07:27,119 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:07:27,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [733534615] [2024-11-27 20:07:27,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [733534615] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:07:27,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:07:27,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:07:27,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055356441] [2024-11-27 20:07:27,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:07:27,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:07:27,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:07:27,120 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:07:27,120 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:07:27,121 INFO L87 Difference]: Start difference. First operand 270 states and 357 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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) [2024-11-27 20:07:28,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:07:28,076 INFO L93 Difference]: Finished difference Result 342 states and 428 transitions. [2024-11-27 20:07:28,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:07:28,078 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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 41 [2024-11-27 20:07:28,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:07:28,080 INFO L225 Difference]: With dead ends: 342 [2024-11-27 20:07:28,080 INFO L226 Difference]: Without dead ends: 340 [2024-11-27 20:07:28,081 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:07:28,085 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 84 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-27 20:07:28,085 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 224 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-27 20:07:28,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-11-27 20:07:28,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 271. [2024-11-27 20:07:28,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 188 states have (on average 1.622340425531915) internal successors, (305), 243 states have internal predecessors, (305), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-27 20:07:28,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 355 transitions. [2024-11-27 20:07:28,111 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 355 transitions. Word has length 41 [2024-11-27 20:07:28,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:07:28,112 INFO L471 AbstractCegarLoop]: Abstraction has 271 states and 355 transitions. [2024-11-27 20:07:28,112 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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) [2024-11-27 20:07:28,112 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 355 transitions. [2024-11-27 20:07:28,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-27 20:07:28,113 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:07:28,114 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-27 20:07:28,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-27 20:07:28,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-27 20:07:28,315 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-27 20:07:28,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:07:28,317 INFO L85 PathProgramCache]: Analyzing trace with hash -2075591644, now seen corresponding path program 1 times [2024-11-27 20:07:28,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:07:28,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281899538] [2024-11-27 20:07:28,317 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:28,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:07:28,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:07:28,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1310676596] [2024-11-27 20:07:28,346 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:28,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:07:28,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:07:28,348 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:07:28,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-27 20:07:28,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:07:28,412 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 20:07:28,414 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:07:28,554 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-27 20:07:28,554 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:07:28,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:07:28,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281899538] [2024-11-27 20:07:28,554 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:07:28,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1310676596] [2024-11-27 20:07:28,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1310676596] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:07:28,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:07:28,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:07:28,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957878491] [2024-11-27 20:07:28,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:07:28,555 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:07:28,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:07:28,556 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:07:28,556 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:07:28,556 INFO L87 Difference]: Start difference. First operand 271 states and 355 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-27 20:07:28,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:07:28,940 INFO L93 Difference]: Finished difference Result 293 states and 374 transitions. [2024-11-27 20:07:28,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:07:28,940 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 49 [2024-11-27 20:07:28,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:07:28,943 INFO L225 Difference]: With dead ends: 293 [2024-11-27 20:07:28,943 INFO L226 Difference]: Without dead ends: 291 [2024-11-27 20:07:28,943 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:07:28,944 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 154 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:07:28,945 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 171 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 20:07:28,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2024-11-27 20:07:28,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 272. [2024-11-27 20:07:28,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 189 states have (on average 1.6084656084656084) internal successors, (304), 244 states have internal predecessors, (304), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-27 20:07:28,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 354 transitions. [2024-11-27 20:07:28,967 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 354 transitions. Word has length 49 [2024-11-27 20:07:28,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:07:28,967 INFO L471 AbstractCegarLoop]: Abstraction has 272 states and 354 transitions. [2024-11-27 20:07:28,967 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-27 20:07:28,968 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 354 transitions. [2024-11-27 20:07:28,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-27 20:07:28,969 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:07:28,969 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-27 20:07:28,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-27 20:07:29,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-27 20:07:29,173 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-27 20:07:29,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:07:29,174 INFO L85 PathProgramCache]: Analyzing trace with hash 81168556, now seen corresponding path program 1 times [2024-11-27 20:07:29,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:07:29,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136763838] [2024-11-27 20:07:29,174 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:29,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:07:29,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:07:29,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [711150525] [2024-11-27 20:07:29,216 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:29,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:07:29,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:07:29,224 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:07:29,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-27 20:07:29,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:07:29,279 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 20:07:29,281 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:07:29,422 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-27 20:07:29,422 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:07:29,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:07:29,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136763838] [2024-11-27 20:07:29,423 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:07:29,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [711150525] [2024-11-27 20:07:29,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [711150525] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:07:29,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:07:29,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:07:29,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516900466] [2024-11-27 20:07:29,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:07:29,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:07:29,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:07:29,424 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:07:29,424 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:07:29,424 INFO L87 Difference]: Start difference. First operand 272 states and 354 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-27 20:07:29,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:07:29,731 INFO L93 Difference]: Finished difference Result 293 states and 371 transitions. [2024-11-27 20:07:29,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:07:29,732 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 50 [2024-11-27 20:07:29,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:07:29,734 INFO L225 Difference]: With dead ends: 293 [2024-11-27 20:07:29,734 INFO L226 Difference]: Without dead ends: 291 [2024-11-27 20:07:29,734 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:07:29,735 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 206 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:07:29,735 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 153 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 20:07:29,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2024-11-27 20:07:29,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 273. [2024-11-27 20:07:29,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 190 states have (on average 1.5947368421052632) internal successors, (303), 245 states have internal predecessors, (303), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-27 20:07:29,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 353 transitions. [2024-11-27 20:07:29,756 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 353 transitions. Word has length 50 [2024-11-27 20:07:29,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:07:29,756 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 353 transitions. [2024-11-27 20:07:29,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-27 20:07:29,757 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 353 transitions. [2024-11-27 20:07:29,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-27 20:07:29,758 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:07:29,758 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-27 20:07:29,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-27 20:07:29,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-27 20:07:29,959 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-27 20:07:29,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:07:29,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1778741978, now seen corresponding path program 1 times [2024-11-27 20:07:29,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:07:29,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659789061] [2024-11-27 20:07:29,960 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:29,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:07:29,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:07:30,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [697665061] [2024-11-27 20:07:30,003 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:30,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:07:30,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:07:30,006 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:07:30,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-27 20:07:30,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:07:30,067 INFO L256 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 20:07:30,069 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:07:30,142 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-27 20:07:30,142 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:07:30,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:07:30,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659789061] [2024-11-27 20:07:30,142 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:07:30,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [697665061] [2024-11-27 20:07:30,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [697665061] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:07:30,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:07:30,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:07:30,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84845259] [2024-11-27 20:07:30,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:07:30,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:07:30,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:07:30,143 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:07:30,144 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:07:30,144 INFO L87 Difference]: Start difference. First operand 273 states and 353 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-27 20:07:30,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:07:30,443 INFO L93 Difference]: Finished difference Result 301 states and 360 transitions. [2024-11-27 20:07:30,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:07:30,444 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 51 [2024-11-27 20:07:30,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:07:30,446 INFO L225 Difference]: With dead ends: 301 [2024-11-27 20:07:30,446 INFO L226 Difference]: Without dead ends: 299 [2024-11-27 20:07:30,447 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:07:30,447 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 126 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:07:30,448 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 199 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 20:07:30,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2024-11-27 20:07:30,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 274. [2024-11-27 20:07:30,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 191 states have (on average 1.581151832460733) internal successors, (302), 246 states have internal predecessors, (302), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-27 20:07:30,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 352 transitions. [2024-11-27 20:07:30,477 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 352 transitions. Word has length 51 [2024-11-27 20:07:30,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:07:30,478 INFO L471 AbstractCegarLoop]: Abstraction has 274 states and 352 transitions. [2024-11-27 20:07:30,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-27 20:07:30,479 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 352 transitions. [2024-11-27 20:07:30,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-27 20:07:30,479 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:07:30,479 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-27 20:07:30,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-27 20:07:30,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:07:30,683 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-27 20:07:30,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:07:30,683 INFO L85 PathProgramCache]: Analyzing trace with hash 693573614, now seen corresponding path program 1 times [2024-11-27 20:07:30,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:07:30,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414934079] [2024-11-27 20:07:30,684 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:30,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:07:30,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:07:30,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1563064462] [2024-11-27 20:07:30,719 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:30,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:07:30,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:07:30,723 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:07:30,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-27 20:07:30,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:07:30,774 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 20:07:30,776 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:07:30,912 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-27 20:07:30,912 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:07:30,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:07:30,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414934079] [2024-11-27 20:07:30,913 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-27 20:07:30,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1563064462] [2024-11-27 20:07:30,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1563064462] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:07:30,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:07:30,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:07:30,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404367918] [2024-11-27 20:07:30,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:07:30,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:07:30,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:07:30,915 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:07:30,915 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:07:30,915 INFO L87 Difference]: Start difference. First operand 274 states and 352 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-27 20:07:31,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:07:31,558 INFO L93 Difference]: Finished difference Result 301 states and 357 transitions. [2024-11-27 20:07:31,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:07:31,559 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 52 [2024-11-27 20:07:31,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:07:31,561 INFO L225 Difference]: With dead ends: 301 [2024-11-27 20:07:31,561 INFO L226 Difference]: Without dead ends: 299 [2024-11-27 20:07:31,561 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:07:31,562 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 76 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-27 20:07:31,562 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 251 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-27 20:07:31,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2024-11-27 20:07:31,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 275. [2024-11-27 20:07:31,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 192 states have (on average 1.5677083333333333) internal successors, (301), 247 states have internal predecessors, (301), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-27 20:07:31,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 351 transitions. [2024-11-27 20:07:31,582 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 351 transitions. Word has length 52 [2024-11-27 20:07:31,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:07:31,583 INFO L471 AbstractCegarLoop]: Abstraction has 275 states and 351 transitions. [2024-11-27 20:07:31,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-27 20:07:31,583 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 351 transitions. [2024-11-27 20:07:31,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-27 20:07:31,585 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:07:31,585 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:07:31,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-27 20:07:31,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:07:31,788 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-27 20:07:31,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:07:31,788 INFO L85 PathProgramCache]: Analyzing trace with hash -1166201914, now seen corresponding path program 1 times [2024-11-27 20:07:31,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:07:31,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482159672] [2024-11-27 20:07:31,788 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:31,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:07:31,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:07:31,899 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-27 20:07:31,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:07:31,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482159672] [2024-11-27 20:07:31,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482159672] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:07:31,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:07:31,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:07:31,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482515810] [2024-11-27 20:07:31,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:07:31,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:07:31,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:07:31,901 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:07:31,901 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:07:31,901 INFO L87 Difference]: Start difference. First operand 275 states and 351 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-27 20:07:31,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:07:31,966 INFO L93 Difference]: Finished difference Result 275 states and 351 transitions. [2024-11-27 20:07:31,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:07:31,967 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 59 [2024-11-27 20:07:31,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:07:31,969 INFO L225 Difference]: With dead ends: 275 [2024-11-27 20:07:31,969 INFO L226 Difference]: Without dead ends: 273 [2024-11-27 20:07:31,969 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 [2024-11-27 20:07:31,969 INFO L435 NwaCegarLoop]: 130 mSDtfsCounter, 46 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:07:31,970 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 207 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:07:31,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2024-11-27 20:07:31,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 273. [2024-11-27 20:07:31,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 192 states have (on average 1.5364583333333333) internal successors, (295), 245 states have internal predecessors, (295), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-27 20:07:31,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 345 transitions. [2024-11-27 20:07:31,986 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 345 transitions. Word has length 59 [2024-11-27 20:07:31,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:07:31,987 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 345 transitions. [2024-11-27 20:07:31,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-27 20:07:31,987 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 345 transitions. [2024-11-27 20:07:31,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-27 20:07:31,988 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:07:31,988 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:07:31,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-27 20:07:31,988 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-27 20:07:31,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:07:31,989 INFO L85 PathProgramCache]: Analyzing trace with hash -1792520839, now seen corresponding path program 1 times [2024-11-27 20:07:31,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:07:31,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536919025] [2024-11-27 20:07:31,989 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:31,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:07:32,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:07:32,056 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-27 20:07:32,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:07:32,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536919025] [2024-11-27 20:07:32,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536919025] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:07:32,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:07:32,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:07:32,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721769077] [2024-11-27 20:07:32,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:07:32,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:07:32,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:07:32,057 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:07:32,057 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:07:32,058 INFO L87 Difference]: Start difference. First operand 273 states and 345 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-27 20:07:32,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:07:32,107 INFO L93 Difference]: Finished difference Result 273 states and 345 transitions. [2024-11-27 20:07:32,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:07:32,108 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 60 [2024-11-27 20:07:32,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:07:32,110 INFO L225 Difference]: With dead ends: 273 [2024-11-27 20:07:32,110 INFO L226 Difference]: Without dead ends: 271 [2024-11-27 20:07:32,110 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 [2024-11-27 20:07:32,111 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 45 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:07:32,111 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 206 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:07:32,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2024-11-27 20:07:32,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 271. [2024-11-27 20:07:32,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 192 states have (on average 1.4947916666666667) internal successors, (287), 243 states have internal predecessors, (287), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-27 20:07:32,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 337 transitions. [2024-11-27 20:07:32,130 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 337 transitions. Word has length 60 [2024-11-27 20:07:32,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:07:32,130 INFO L471 AbstractCegarLoop]: Abstraction has 271 states and 337 transitions. [2024-11-27 20:07:32,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-27 20:07:32,130 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 337 transitions. [2024-11-27 20:07:32,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-27 20:07:32,131 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:07:32,131 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:07:32,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-27 20:07:32,131 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-27 20:07:32,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:07:32,132 INFO L85 PathProgramCache]: Analyzing trace with hash 266470676, now seen corresponding path program 1 times [2024-11-27 20:07:32,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:07:32,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050980729] [2024-11-27 20:07:32,132 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:32,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:07:32,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:07:32,324 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-27 20:07:32,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:07:32,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050980729] [2024-11-27 20:07:32,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050980729] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:07:32,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:07:32,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:07:32,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495063266] [2024-11-27 20:07:32,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:07:32,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:07:32,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:07:32,326 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:07:32,326 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:07:32,327 INFO L87 Difference]: Start difference. First operand 271 states and 337 transitions. Second operand has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-27 20:07:32,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:07:32,859 INFO L93 Difference]: Finished difference Result 272 states and 337 transitions. [2024-11-27 20:07:32,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 20:07:32,859 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 61 [2024-11-27 20:07:32,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:07:32,862 INFO L225 Difference]: With dead ends: 272 [2024-11-27 20:07:32,862 INFO L226 Difference]: Without dead ends: 271 [2024-11-27 20:07:32,862 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-27 20:07:32,863 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 273 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-27 20:07:32,863 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [273 Valid, 161 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-27 20:07:32,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2024-11-27 20:07:32,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 271. [2024-11-27 20:07:32,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 192 states have (on average 1.4895833333333333) internal successors, (286), 243 states have internal predecessors, (286), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-27 20:07:32,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 336 transitions. [2024-11-27 20:07:32,882 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 336 transitions. Word has length 61 [2024-11-27 20:07:32,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:07:32,882 INFO L471 AbstractCegarLoop]: Abstraction has 271 states and 336 transitions. [2024-11-27 20:07:32,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-27 20:07:32,883 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 336 transitions. [2024-11-27 20:07:32,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-27 20:07:32,883 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:07:32,884 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:07:32,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-27 20:07:32,884 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-27 20:07:32,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:07:32,885 INFO L85 PathProgramCache]: Analyzing trace with hash 266456774, now seen corresponding path program 1 times [2024-11-27 20:07:32,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:07:32,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134197126] [2024-11-27 20:07:32,885 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:32,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:07:32,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:07:32,989 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-27 20:07:32,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:07:32,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134197126] [2024-11-27 20:07:32,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134197126] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:07:32,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:07:32,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:07:32,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032429626] [2024-11-27 20:07:32,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:07:32,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:07:32,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:07:32,991 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:07:32,991 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:07:32,991 INFO L87 Difference]: Start difference. First operand 271 states and 336 transitions. Second operand has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-27 20:07:33,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:07:33,476 INFO L93 Difference]: Finished difference Result 274 states and 339 transitions. [2024-11-27 20:07:33,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 20:07:33,477 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 61 [2024-11-27 20:07:33,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:07:33,478 INFO L225 Difference]: With dead ends: 274 [2024-11-27 20:07:33,478 INFO L226 Difference]: Without dead ends: 273 [2024-11-27 20:07:33,479 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-27 20:07:33,479 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 273 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 20:07:33,479 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [273 Valid, 161 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 20:07:33,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2024-11-27 20:07:33,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 273. [2024-11-27 20:07:33,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 194 states have (on average 1.4845360824742269) internal successors, (288), 245 states have internal predecessors, (288), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-27 20:07:33,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 338 transitions. [2024-11-27 20:07:33,511 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 338 transitions. Word has length 61 [2024-11-27 20:07:33,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:07:33,512 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 338 transitions. [2024-11-27 20:07:33,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-27 20:07:33,512 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 338 transitions. [2024-11-27 20:07:33,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-27 20:07:33,513 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:07:33,513 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:07:33,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-27 20:07:33,513 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-27 20:07:33,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:07:33,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1328457983, now seen corresponding path program 1 times [2024-11-27 20:07:33,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:07:33,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020700093] [2024-11-27 20:07:33,514 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:33,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:07:33,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:07:33,653 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-27 20:07:33,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:07:33,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020700093] [2024-11-27 20:07:33,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020700093] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:07:33,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:07:33,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:07:33,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212565732] [2024-11-27 20:07:33,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:07:33,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:07:33,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:07:33,655 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:07:33,655 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:07:33,655 INFO L87 Difference]: Start difference. First operand 273 states and 338 transitions. Second operand has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-27 20:07:33,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:07:33,909 INFO L93 Difference]: Finished difference Result 330 states and 406 transitions. [2024-11-27 20:07:33,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:07:33,909 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), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 64 [2024-11-27 20:07:33,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:07:33,911 INFO L225 Difference]: With dead ends: 330 [2024-11-27 20:07:33,911 INFO L226 Difference]: Without dead ends: 326 [2024-11-27 20:07:33,912 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 [2024-11-27 20:07:33,912 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 43 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:07:33,912 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 148 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 20:07:33,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2024-11-27 20:07:33,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 283. [2024-11-27 20:07:33,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 204 states have (on average 1.4656862745098038) internal successors, (299), 255 states have internal predecessors, (299), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-27 20:07:33,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 349 transitions. [2024-11-27 20:07:33,940 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 349 transitions. Word has length 64 [2024-11-27 20:07:33,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:07:33,941 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 349 transitions. [2024-11-27 20:07:33,941 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), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-27 20:07:33,941 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 349 transitions. [2024-11-27 20:07:33,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-27 20:07:33,942 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:07:33,942 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:07:33,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-27 20:07:33,942 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-27 20:07:33,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:07:33,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1042838488, now seen corresponding path program 1 times [2024-11-27 20:07:33,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:07:33,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621301315] [2024-11-27 20:07:33,943 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:33,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:07:33,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:07:34,380 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-27 20:07:34,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:07:34,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621301315] [2024-11-27 20:07:34,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621301315] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:07:34,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1027617135] [2024-11-27 20:07:34,383 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:34,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:07:34,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:07:34,385 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:07:34,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-27 20:07:34,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:07:34,480 INFO L256 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 20:07:34,482 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:07:34,747 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-27 20:07:34,748 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:07:35,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1027617135] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:07:35,031 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:07:35,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 3] total 10 [2024-11-27 20:07:35,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578573045] [2024-11-27 20:07:35,031 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 20:07:35,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-27 20:07:35,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:07:35,033 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-27 20:07:35,033 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-11-27 20:07:35,033 INFO L87 Difference]: Start difference. First operand 283 states and 349 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 8 states have internal predecessors, (68), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-27 20:07:36,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:07:36,200 INFO L93 Difference]: Finished difference Result 423 states and 500 transitions. [2024-11-27 20:07:36,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-27 20:07:36,200 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 8 states have internal predecessors, (68), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) Word has length 66 [2024-11-27 20:07:36,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:07:36,202 INFO L225 Difference]: With dead ends: 423 [2024-11-27 20:07:36,202 INFO L226 Difference]: Without dead ends: 250 [2024-11-27 20:07:36,203 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=88, Invalid=254, Unknown=0, NotChecked=0, Total=342 [2024-11-27 20:07:36,204 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 410 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 559 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 411 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 559 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:07:36,204 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [411 Valid, 318 Invalid, 598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 559 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-27 20:07:36,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2024-11-27 20:07:36,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 230. [2024-11-27 20:07:36,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 156 states have (on average 1.4743589743589745) internal successors, (230), 207 states have internal predecessors, (230), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-27 20:07:36,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 270 transitions. [2024-11-27 20:07:36,229 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 270 transitions. Word has length 66 [2024-11-27 20:07:36,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:07:36,230 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 270 transitions. [2024-11-27 20:07:36,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 8 states have internal predecessors, (68), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-27 20:07:36,230 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 270 transitions. [2024-11-27 20:07:36,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-27 20:07:36,231 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:07:36,231 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:07:36,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-27 20:07:36,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:07:36,436 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-27 20:07:36,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:07:36,436 INFO L85 PathProgramCache]: Analyzing trace with hash 2050031118, now seen corresponding path program 1 times [2024-11-27 20:07:36,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:07:36,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195448422] [2024-11-27 20:07:36,436 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:36,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:07:36,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:07:36,701 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-27 20:07:36,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:07:36,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195448422] [2024-11-27 20:07:36,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195448422] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:07:36,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1453172282] [2024-11-27 20:07:36,702 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:36,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:07:36,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:07:36,705 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:07:36,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-27 20:07:36,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:07:36,767 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-27 20:07:36,769 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:07:37,068 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-27 20:07:37,068 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:07:37,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1453172282] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:07:37,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:07:37,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-27 20:07:37,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723723468] [2024-11-27 20:07:37,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:07:37,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:07:37,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:07:37,070 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:07:37,071 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-27 20:07:37,071 INFO L87 Difference]: Start difference. First operand 230 states and 270 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-27 20:07:37,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:07:37,644 INFO L93 Difference]: Finished difference Result 251 states and 295 transitions. [2024-11-27 20:07:37,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:07:37,644 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), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 72 [2024-11-27 20:07:37,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:07:37,646 INFO L225 Difference]: With dead ends: 251 [2024-11-27 20:07:37,646 INFO L226 Difference]: Without dead ends: 250 [2024-11-27 20:07:37,647 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:07:37,647 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 49 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-27 20:07:37,647 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 161 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-27 20:07:37,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2024-11-27 20:07:37,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 231. [2024-11-27 20:07:37,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 157 states have (on average 1.4713375796178343) internal successors, (231), 208 states have internal predecessors, (231), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-27 20:07:37,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 271 transitions. [2024-11-27 20:07:37,674 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 271 transitions. Word has length 72 [2024-11-27 20:07:37,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:07:37,674 INFO L471 AbstractCegarLoop]: Abstraction has 231 states and 271 transitions. [2024-11-27 20:07:37,674 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), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-27 20:07:37,675 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 271 transitions. [2024-11-27 20:07:37,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-27 20:07:37,675 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:07:37,675 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:07:37,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-27 20:07:37,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:07:37,879 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-27 20:07:37,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:07:37,880 INFO L85 PathProgramCache]: Analyzing trace with hash -873544638, now seen corresponding path program 1 times [2024-11-27 20:07:37,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:07:37,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825428648] [2024-11-27 20:07:37,880 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:37,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:07:37,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:07:38,067 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-27 20:07:38,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:07:38,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825428648] [2024-11-27 20:07:38,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825428648] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:07:38,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [869422657] [2024-11-27 20:07:38,068 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:38,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:07:38,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:07:38,070 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:07:38,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-27 20:07:38,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:07:38,136 INFO L256 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-27 20:07:38,138 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:07:38,462 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-27 20:07:38,463 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:07:38,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [869422657] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:07:38,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:07:38,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-27 20:07:38,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627723337] [2024-11-27 20:07:38,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:07:38,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:07:38,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:07:38,465 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:07:38,465 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-27 20:07:38,465 INFO L87 Difference]: Start difference. First operand 231 states and 271 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-27 20:07:39,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:07:39,016 INFO L93 Difference]: Finished difference Result 251 states and 294 transitions. [2024-11-27 20:07:39,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:07:39,017 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 73 [2024-11-27 20:07:39,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:07:39,018 INFO L225 Difference]: With dead ends: 251 [2024-11-27 20:07:39,019 INFO L226 Difference]: Without dead ends: 250 [2024-11-27 20:07:39,019 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:07:39,020 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 45 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-27 20:07:39,021 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 164 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-27 20:07:39,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2024-11-27 20:07:39,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 232. [2024-11-27 20:07:39,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 158 states have (on average 1.4683544303797469) internal successors, (232), 209 states have internal predecessors, (232), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-27 20:07:39,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 272 transitions. [2024-11-27 20:07:39,041 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 272 transitions. Word has length 73 [2024-11-27 20:07:39,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:07:39,041 INFO L471 AbstractCegarLoop]: Abstraction has 232 states and 272 transitions. [2024-11-27 20:07:39,042 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-27 20:07:39,042 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 272 transitions. [2024-11-27 20:07:39,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-27 20:07:39,043 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:07:39,043 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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] [2024-11-27 20:07:39,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-27 20:07:39,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-27 20:07:39,247 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-27 20:07:39,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:07:39,248 INFO L85 PathProgramCache]: Analyzing trace with hash 978192934, now seen corresponding path program 1 times [2024-11-27 20:07:39,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:07:39,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69927608] [2024-11-27 20:07:39,248 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:39,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:07:39,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:07:39,507 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-27 20:07:39,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:07:39,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69927608] [2024-11-27 20:07:39,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69927608] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:07:39,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1077618570] [2024-11-27 20:07:39,508 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:39,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:07:39,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:07:39,510 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:07:39,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-27 20:07:39,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:07:39,581 INFO L256 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-27 20:07:39,584 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:07:40,124 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-27 20:07:40,124 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:07:45,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1077618570] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:07:45,624 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:07:45,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 10 [2024-11-27 20:07:45,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346184921] [2024-11-27 20:07:45,625 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 20:07:45,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-27 20:07:45,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:07:45,626 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-27 20:07:45,626 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=103, Unknown=2, NotChecked=0, Total=132 [2024-11-27 20:07:45,626 INFO L87 Difference]: Start difference. First operand 232 states and 272 transitions. Second operand has 10 states, 10 states have (on average 8.1) internal successors, (81), 8 states have internal predecessors, (81), 7 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (16), 8 states have call predecessors, (16), 7 states have call successors, (16) [2024-11-27 20:07:45,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:07:45,959 INFO L93 Difference]: Finished difference Result 256 states and 296 transitions. [2024-11-27 20:07:45,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 20:07:45,960 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.1) internal successors, (81), 8 states have internal predecessors, (81), 7 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (16), 8 states have call predecessors, (16), 7 states have call successors, (16) Word has length 77 [2024-11-27 20:07:45,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:07:45,961 INFO L225 Difference]: With dead ends: 256 [2024-11-27 20:07:45,961 INFO L226 Difference]: Without dead ends: 69 [2024-11-27 20:07:45,962 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=49, Invalid=159, Unknown=2, NotChecked=0, Total=210 [2024-11-27 20:07:45,964 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 170 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:07:45,964 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 126 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 20:07:45,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-11-27 20:07:45,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2024-11-27 20:07:45,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 55 states have (on average 1.018181818181818) internal successors, (56), 56 states have internal predecessors, (56), 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) [2024-11-27 20:07:45,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 76 transitions. [2024-11-27 20:07:45,976 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 76 transitions. Word has length 77 [2024-11-27 20:07:45,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:07:45,977 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 76 transitions. [2024-11-27 20:07:45,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.1) internal successors, (81), 8 states have internal predecessors, (81), 7 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (16), 8 states have call predecessors, (16), 7 states have call successors, (16) [2024-11-27 20:07:45,977 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 76 transitions. [2024-11-27 20:07:45,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-27 20:07:45,978 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:07:45,978 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:07:45,990 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-27 20:07:46,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-27 20:07:46,179 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-27 20:07:46,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:07:46,180 INFO L85 PathProgramCache]: Analyzing trace with hash 870301324, now seen corresponding path program 1 times [2024-11-27 20:07:46,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:07:46,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072820382] [2024-11-27 20:07:46,180 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:46,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:07:46,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:07:46,375 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-27 20:07:46,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:07:46,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072820382] [2024-11-27 20:07:46,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072820382] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:07:46,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1503954260] [2024-11-27 20:07:46,376 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:46,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:07:46,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:07:46,379 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:07:46,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-27 20:07:46,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:07:46,451 INFO L256 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 20:07:46,453 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:07:46,948 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-27 20:07:46,949 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:07:46,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1503954260] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:07:46,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:07:46,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-27 20:07:46,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358066725] [2024-11-27 20:07:46,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:07:46,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:07:46,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:07:46,951 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:07:46,951 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:07:46,951 INFO L87 Difference]: Start difference. First operand 69 states and 76 transitions. Second operand has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-27 20:07:47,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:07:47,045 INFO L93 Difference]: Finished difference Result 69 states and 76 transitions. [2024-11-27 20:07:47,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:07:47,046 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 98 [2024-11-27 20:07:47,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:07:47,047 INFO L225 Difference]: With dead ends: 69 [2024-11-27 20:07:47,047 INFO L226 Difference]: Without dead ends: 68 [2024-11-27 20:07:47,048 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:07:47,048 INFO L435 NwaCegarLoop]: 34 mSDtfsCounter, 1 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:07:47,049 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 55 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:07:47,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2024-11-27 20:07:47,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2024-11-27 20:07:47,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 55 states have (on average 1.0) internal successors, (55), 55 states have internal predecessors, (55), 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) [2024-11-27 20:07:47,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 75 transitions. [2024-11-27 20:07:47,059 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 75 transitions. Word has length 98 [2024-11-27 20:07:47,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:07:47,060 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 75 transitions. [2024-11-27 20:07:47,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-27 20:07:47,060 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 75 transitions. [2024-11-27 20:07:47,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-27 20:07:47,061 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:07:47,061 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:07:47,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-11-27 20:07:47,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:07:47,266 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-27 20:07:47,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:07:47,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1209537446, now seen corresponding path program 1 times [2024-11-27 20:07:47,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:07:47,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235201944] [2024-11-27 20:07:47,267 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:47,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:07:47,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:07:47,435 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-27 20:07:47,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:07:47,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235201944] [2024-11-27 20:07:47,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235201944] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:07:47,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2048717650] [2024-11-27 20:07:47,436 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:47,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:07:47,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:07:47,439 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:07:47,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-27 20:07:47,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:07:47,511 INFO L256 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 20:07:47,513 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:07:47,996 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-27 20:07:47,997 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:07:47,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2048717650] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:07:47,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:07:47,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-27 20:07:47,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994460834] [2024-11-27 20:07:47,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:07:47,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:07:47,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:07:47,999 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:07:47,999 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:07:47,999 INFO L87 Difference]: Start difference. First operand 68 states and 75 transitions. Second operand has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-27 20:07:48,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:07:48,090 INFO L93 Difference]: Finished difference Result 68 states and 75 transitions. [2024-11-27 20:07:48,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:07:48,091 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 99 [2024-11-27 20:07:48,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:07:48,091 INFO L225 Difference]: With dead ends: 68 [2024-11-27 20:07:48,091 INFO L226 Difference]: Without dead ends: 0 [2024-11-27 20:07:48,092 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:07:48,092 INFO L435 NwaCegarLoop]: 34 mSDtfsCounter, 0 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:07:48,093 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 55 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:07:48,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-27 20:07:48,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-27 20:07:48,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:07:48,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-27 20:07:48,094 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 99 [2024-11-27 20:07:48,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:07:48,094 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-27 20:07:48,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-27 20:07:48,094 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-27 20:07:48,094 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-27 20:07:48,098 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 56 remaining) [2024-11-27 20:07:48,098 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 56 remaining) [2024-11-27 20:07:48,098 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (53 of 56 remaining) [2024-11-27 20:07:48,099 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (52 of 56 remaining) [2024-11-27 20:07:48,099 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 56 remaining) [2024-11-27 20:07:48,099 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 56 remaining) [2024-11-27 20:07:48,099 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 56 remaining) [2024-11-27 20:07:48,099 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 56 remaining) [2024-11-27 20:07:48,099 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 56 remaining) [2024-11-27 20:07:48,099 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 56 remaining) [2024-11-27 20:07:48,100 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 56 remaining) [2024-11-27 20:07:48,100 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 56 remaining) [2024-11-27 20:07:48,100 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 56 remaining) [2024-11-27 20:07:48,100 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 56 remaining) [2024-11-27 20:07:48,100 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 56 remaining) [2024-11-27 20:07:48,100 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 56 remaining) [2024-11-27 20:07:48,100 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 56 remaining) [2024-11-27 20:07:48,101 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 56 remaining) [2024-11-27 20:07:48,101 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 56 remaining) [2024-11-27 20:07:48,101 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 56 remaining) [2024-11-27 20:07:48,101 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 56 remaining) [2024-11-27 20:07:48,101 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 56 remaining) [2024-11-27 20:07:48,101 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 56 remaining) [2024-11-27 20:07:48,101 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 56 remaining) [2024-11-27 20:07:48,101 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 56 remaining) [2024-11-27 20:07:48,101 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 56 remaining) [2024-11-27 20:07:48,101 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 56 remaining) [2024-11-27 20:07:48,102 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 56 remaining) [2024-11-27 20:07:48,102 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 56 remaining) [2024-11-27 20:07:48,102 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 56 remaining) [2024-11-27 20:07:48,102 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 56 remaining) [2024-11-27 20:07:48,102 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 56 remaining) [2024-11-27 20:07:48,102 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 56 remaining) [2024-11-27 20:07:48,102 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 56 remaining) [2024-11-27 20:07:48,103 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 56 remaining) [2024-11-27 20:07:48,103 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 56 remaining) [2024-11-27 20:07:48,103 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 56 remaining) [2024-11-27 20:07:48,103 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 56 remaining) [2024-11-27 20:07:48,103 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 56 remaining) [2024-11-27 20:07:48,103 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 56 remaining) [2024-11-27 20:07:48,103 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 56 remaining) [2024-11-27 20:07:48,104 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 56 remaining) [2024-11-27 20:07:48,104 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 56 remaining) [2024-11-27 20:07:48,104 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 56 remaining) [2024-11-27 20:07:48,104 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 56 remaining) [2024-11-27 20:07:48,104 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 56 remaining) [2024-11-27 20:07:48,104 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 56 remaining) [2024-11-27 20:07:48,104 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 56 remaining) [2024-11-27 20:07:48,105 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 56 remaining) [2024-11-27 20:07:48,105 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 56 remaining) [2024-11-27 20:07:48,105 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 56 remaining) [2024-11-27 20:07:48,105 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 56 remaining) [2024-11-27 20:07:48,105 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 56 remaining) [2024-11-27 20:07:48,105 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 56 remaining) [2024-11-27 20:07:48,105 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 56 remaining) [2024-11-27 20:07:48,105 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 56 remaining) [2024-11-27 20:07:48,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-27 20:07:48,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:07:48,308 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:07:48,310 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-27 20:07:49,205 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 20:07:49,230 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 08:07:49 BoogieIcfgContainer [2024-11-27 20:07:49,230 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 20:07:49,231 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 20:07:49,231 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 20:07:49,231 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 20:07:49,232 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:07:19" (3/4) ... [2024-11-27 20:07:49,235 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-27 20:07:49,242 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-27 20:07:49,242 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-27 20:07:49,248 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-27 20:07:49,249 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-27 20:07:49,249 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-27 20:07:49,249 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-27 20:07:49,383 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-27 20:07:49,383 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-27 20:07:49,383 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 20:07:49,385 INFO L158 Benchmark]: Toolchain (without parser) took 31157.16ms. Allocated memory was 142.6MB in the beginning and 218.1MB in the end (delta: 75.5MB). Free memory was 105.5MB in the beginning and 89.5MB in the end (delta: 16.0MB). Peak memory consumption was 86.8MB. Max. memory is 16.1GB. [2024-11-27 20:07:49,385 INFO L158 Benchmark]: CDTParser took 0.90ms. Allocated memory is still 167.8MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:07:49,385 INFO L158 Benchmark]: CACSL2BoogieTranslator took 360.53ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 93.9MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:07:49,386 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.82ms. Allocated memory is still 142.6MB. Free memory was 93.9MB in the beginning and 92.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:07:49,386 INFO L158 Benchmark]: Boogie Preprocessor took 65.95ms. Allocated memory is still 142.6MB. Free memory was 92.6MB in the beginning and 91.0MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:07:49,386 INFO L158 Benchmark]: RCFGBuilder took 1027.77ms. Allocated memory is still 142.6MB. Free memory was 91.0MB in the beginning and 69.9MB in the end (delta: 21.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 20:07:49,387 INFO L158 Benchmark]: TraceAbstraction took 29497.34ms. Allocated memory was 142.6MB in the beginning and 218.1MB in the end (delta: 75.5MB). Free memory was 69.3MB in the beginning and 94.9MB in the end (delta: -25.6MB). Peak memory consumption was 54.1MB. Max. memory is 16.1GB. [2024-11-27 20:07:49,387 INFO L158 Benchmark]: Witness Printer took 152.76ms. Allocated memory is still 218.1MB. Free memory was 94.9MB in the beginning and 89.5MB in the end (delta: 5.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:07:49,389 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.90ms. Allocated memory is still 167.8MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 360.53ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 93.9MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.82ms. Allocated memory is still 142.6MB. Free memory was 93.9MB in the beginning and 92.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 65.95ms. Allocated memory is still 142.6MB. Free memory was 92.6MB in the beginning and 91.0MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1027.77ms. Allocated memory is still 142.6MB. Free memory was 91.0MB in the beginning and 69.9MB in the end (delta: 21.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 29497.34ms. Allocated memory was 142.6MB in the beginning and 218.1MB in the end (delta: 75.5MB). Free memory was 69.3MB in the beginning and 94.9MB in the end (delta: -25.6MB). Peak memory consumption was 54.1MB. Max. memory is 16.1GB. * Witness Printer took 152.76ms. Allocated memory is still 218.1MB. Free memory was 94.9MB in the beginning and 89.5MB in the end (delta: 5.4MB). 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 - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 57]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 57]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 57]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 57]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 57]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 57]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 57]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 57]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 143 locations, 56 error locations. Started 1 CEGAR loops. OverallTime: 28.5s, OverallIterations: 24, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 10.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2885 SdHoareTripleChecker+Valid, 8.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2786 mSDsluCounter, 4120 SdHoareTripleChecker+Invalid, 7.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2091 mSDsCounter, 184 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3735 IncrementalHoareTripleChecker+Invalid, 3919 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 184 mSolverCounterUnsat, 2029 mSDtfsCounter, 3735 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1074 GetRequests, 985 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 6.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=283occurred in iteration=18, InterpolantAutomatonStates: 105, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 24 MinimizatonAttempts, 638 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 11.5s InterpolantComputationTime, 2279 NumberOfCodeBlocks, 2279 NumberOfCodeBlocksAsserted, 43 NumberOfCheckSat, 1771 ConstructedInterpolants, 0 QuantifiedInterpolants, 6168 SizeOfPredicates, 4 NumberOfNonLiveVariables, 2094 ConjunctsInSsa, 92 ConjunctsInUnsatCore, 31 InterpolantComputations, 22 PerfectInterpolantSequences, 1183/1246 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 56 specifications checked. All of them hold - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: (((((((((p == 1) && (b == y)) && (0 <= y)) && (r == 0)) && (q == 0)) && (a == b)) && (y <= 1)) && (a == x)) && (s == 1)) RESULT: Ultimate proved your program to be correct! [2024-11-27 20:07:49,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5948e452-42a2-4eea-ac4a-6999010c6423/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE