./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e93016ff57c45c3cae283be4b49e01d237dbbda4f83cf7a9bfcfac37d4c97276 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 05:49:57,483 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 05:49:57,551 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-12-02 05:49:57,557 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 05:49:57,557 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 05:49:57,582 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 05:49:57,583 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 05:49:57,583 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 05:49:57,584 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 05:49:57,584 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 05:49:57,584 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 05:49:57,584 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 05:49:57,585 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 05:49:57,585 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 05:49:57,585 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 05:49:57,585 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 05:49:57,585 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 05:49:57,585 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 05:49:57,585 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 05:49:57,586 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 05:49:57,586 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 05:49:57,586 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 05:49:57,586 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 05:49:57,586 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 05:49:57,586 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-02 05:49:57,586 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 05:49:57,586 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 05:49:57,587 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 05:49:57,587 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 05:49:57,587 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 05:49:57,587 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 05:49:57,587 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 05:49:57,587 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 05:49:57,587 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 05:49:57,587 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:49:57,588 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 05:49:57,588 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 05:49:57,588 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 05:49:57,588 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 05:49:57,588 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:49:57,588 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 05:49:57,588 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 05:49:57,588 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 05:49:57,589 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 05:49:57,589 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 05:49:57,589 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 05:49:57,589 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 05:49:57,589 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 05:49:57,589 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 05:49:57,589 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 05:49:57,589 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_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e93016ff57c45c3cae283be4b49e01d237dbbda4f83cf7a9bfcfac37d4c97276 [2024-12-02 05:49:57,853 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 05:49:57,862 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 05:49:57,865 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 05:49:57,866 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 05:49:57,866 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 05:49:57,868 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound5.c [2024-12-02 05:50:00,684 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/data/6710c0164/dd06a7993db94dc3bea852eb4f8e27bb/FLAG19ba28296 [2024-12-02 05:50:00,868 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 05:50:00,868 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound5.c [2024-12-02 05:50:00,876 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/data/6710c0164/dd06a7993db94dc3bea852eb4f8e27bb/FLAG19ba28296 [2024-12-02 05:50:01,243 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/data/6710c0164/dd06a7993db94dc3bea852eb4f8e27bb [2024-12-02 05:50:01,246 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 05:50:01,247 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 05:50:01,249 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 05:50:01,249 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 05:50:01,255 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 05:50:01,256 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:50:01" (1/1) ... [2024-12-02 05:50:01,257 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5928149b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:01, skipping insertion in model container [2024-12-02 05:50:01,257 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:50:01" (1/1) ... [2024-12-02 05:50:01,274 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 05:50:01,433 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 05:50:01,445 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 05:50:01,467 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 05:50:01,485 INFO L204 MainTranslator]: Completed translation [2024-12-02 05:50:01,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:01 WrapperNode [2024-12-02 05:50:01,486 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 05:50:01,488 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 05:50:01,488 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 05:50:01,488 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 05:50:01,496 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:01" (1/1) ... [2024-12-02 05:50:01,502 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:01" (1/1) ... [2024-12-02 05:50:01,521 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 83 [2024-12-02 05:50:01,521 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 05:50:01,522 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 05:50:01,522 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 05:50:01,522 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 05:50:01,534 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:01" (1/1) ... [2024-12-02 05:50:01,534 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:01" (1/1) ... [2024-12-02 05:50:01,536 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:01" (1/1) ... [2024-12-02 05:50:01,551 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]. [2024-12-02 05:50:01,551 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:01" (1/1) ... [2024-12-02 05:50:01,551 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:01" (1/1) ... [2024-12-02 05:50:01,555 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:01" (1/1) ... [2024-12-02 05:50:01,556 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:01" (1/1) ... [2024-12-02 05:50:01,561 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:01" (1/1) ... [2024-12-02 05:50:01,562 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:01" (1/1) ... [2024-12-02 05:50:01,563 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:01" (1/1) ... [2024-12-02 05:50:01,565 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 05:50:01,566 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 05:50:01,566 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 05:50:01,566 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 05:50:01,567 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:01" (1/1) ... [2024-12-02 05:50:01,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:50:01,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:01,605 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 05:50:01,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 05:50:01,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 05:50:01,643 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 05:50:01,643 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 05:50:01,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 05:50:01,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 05:50:01,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 05:50:01,643 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-02 05:50:01,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-02 05:50:01,714 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 05:50:01,717 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 05:50:02,082 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-12-02 05:50:02,082 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 05:50:02,095 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 05:50:02,095 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 05:50:02,096 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:50:02 BoogieIcfgContainer [2024-12-02 05:50:02,096 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 05:50:02,098 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 05:50:02,098 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 05:50:02,103 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 05:50:02,103 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:50:01" (1/3) ... [2024-12-02 05:50:02,104 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60233815 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:50:02, skipping insertion in model container [2024-12-02 05:50:02,104 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:01" (2/3) ... [2024-12-02 05:50:02,104 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60233815 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:50:02, skipping insertion in model container [2024-12-02 05:50:02,104 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:50:02" (3/3) ... [2024-12-02 05:50:02,106 INFO L128 eAbstractionObserver]: Analyzing ICFG geo3-ll_valuebound5.c [2024-12-02 05:50:02,121 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 05:50:02,123 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG geo3-ll_valuebound5.c that has 3 procedures, 85 locations, 1 initial locations, 1 loop locations, and 30 error locations. [2024-12-02 05:50:02,178 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 05:50:02,191 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;@79f2100d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 05:50:02,191 INFO L334 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2024-12-02 05:50:02,195 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 47 states have (on average 1.7446808510638299) internal successors, (82), 77 states have internal predecessors, (82), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-12-02 05:50:02,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-02 05:50:02,201 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:02,202 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:02,202 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-12-02 05:50:02,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:02,208 INFO L85 PathProgramCache]: Analyzing trace with hash 189671238, now seen corresponding path program 1 times [2024-12-02 05:50:02,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:02,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171159565] [2024-12-02 05:50:02,216 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:02,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:02,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 05:50:02,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [766225548] [2024-12-02 05:50:02,322 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:02,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:50:02,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:02,325 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:50:02,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 05:50:02,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:02,393 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-02 05:50:02,398 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:50:02,615 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-02 05:50:02,616 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 05:50:02,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:02,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171159565] [2024-12-02 05:50:02,772 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-02 05:50:02,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [766225548] [2024-12-02 05:50:02,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [766225548] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:50:02,773 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-12-02 05:50:02,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-12-02 05:50:02,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723463050] [2024-12-02 05:50:02,777 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-12-02 05:50:02,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 05:50:02,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:02,802 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 05:50:02,803 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-12-02 05:50:02,805 INFO L87 Difference]: Start difference. First operand has 85 states, 47 states have (on average 1.7446808510638299) internal successors, (82), 77 states have internal predecessors, (82), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-12-02 05:50:03,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:03,098 INFO L93 Difference]: Finished difference Result 164 states and 184 transitions. [2024-12-02 05:50:03,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 05:50:03,100 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 21 [2024-12-02 05:50:03,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:50:03,107 INFO L225 Difference]: With dead ends: 164 [2024-12-02 05:50:03,107 INFO L226 Difference]: Without dead ends: 76 [2024-12-02 05:50:03,110 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-12-02 05:50:03,113 INFO L435 NwaCegarLoop]: 34 mSDtfsCounter, 78 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 05:50:03,114 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 106 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 05:50:03,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-12-02 05:50:03,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2024-12-02 05:50:03,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 42 states have (on average 1.6666666666666667) internal successors, (70), 69 states have internal predecessors, (70), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-12-02 05:50:03,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 78 transitions. [2024-12-02 05:50:03,156 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 78 transitions. Word has length 21 [2024-12-02 05:50:03,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:50:03,157 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 78 transitions. [2024-12-02 05:50:03,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-12-02 05:50:03,158 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 78 transitions. [2024-12-02 05:50:03,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-02 05:50:03,159 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:03,160 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:03,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 05:50:03,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:50:03,361 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-12-02 05:50:03,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:03,362 INFO L85 PathProgramCache]: Analyzing trace with hash 1885434640, now seen corresponding path program 1 times [2024-12-02 05:50:03,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:03,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927191431] [2024-12-02 05:50:03,362 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:03,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:03,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 05:50:03,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [610544446] [2024-12-02 05:50:03,392 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:03,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:50:03,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:03,394 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:50:03,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 05:50:03,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:03,442 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-02 05:50:03,445 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:50:03,608 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-02 05:50:03,608 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 05:50:03,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:03,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927191431] [2024-12-02 05:50:03,701 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-02 05:50:03,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [610544446] [2024-12-02 05:50:03,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [610544446] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:50:03,701 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-12-02 05:50:03,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-12-02 05:50:03,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867383803] [2024-12-02 05:50:03,701 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-12-02 05:50:03,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 05:50:03,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:03,703 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 05:50:03,703 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-02 05:50:03,703 INFO L87 Difference]: Start difference. First operand 76 states and 78 transitions. Second operand has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 7 states have internal predecessors, (14), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-12-02 05:50:04,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:04,030 INFO L93 Difference]: Finished difference Result 76 states and 78 transitions. [2024-12-02 05:50:04,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 05:50:04,031 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 7 states have internal predecessors, (14), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 23 [2024-12-02 05:50:04,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:50:04,032 INFO L225 Difference]: With dead ends: 76 [2024-12-02 05:50:04,032 INFO L226 Difference]: Without dead ends: 72 [2024-12-02 05:50:04,032 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-12-02 05:50:04,033 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 72 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 05:50:04,034 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 107 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 05:50:04,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-12-02 05:50:04,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2024-12-02 05:50:04,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 42 states have (on average 1.5714285714285714) internal successors, (66), 65 states have internal predecessors, (66), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-12-02 05:50:04,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 74 transitions. [2024-12-02 05:50:04,042 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 74 transitions. Word has length 23 [2024-12-02 05:50:04,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:50:04,042 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 74 transitions. [2024-12-02 05:50:04,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 7 states have internal predecessors, (14), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-12-02 05:50:04,043 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 74 transitions. [2024-12-02 05:50:04,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-02 05:50:04,043 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:04,044 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:04,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 05:50:04,244 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:50:04,244 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-12-02 05:50:04,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:04,245 INFO L85 PathProgramCache]: Analyzing trace with hash -1681068250, now seen corresponding path program 1 times [2024-12-02 05:50:04,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:04,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142175586] [2024-12-02 05:50:04,245 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:04,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:04,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 05:50:04,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1601015531] [2024-12-02 05:50:04,272 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:04,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:50:04,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:04,274 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:50:04,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 05:50:04,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:04,319 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-02 05:50:04,321 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:50:04,453 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-02 05:50:04,453 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 05:50:04,696 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-02 05:50:04,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:04,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142175586] [2024-12-02 05:50:04,696 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-02 05:50:04,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1601015531] [2024-12-02 05:50:04,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1601015531] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 05:50:04,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 05:50:04,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-12-02 05:50:04,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421494068] [2024-12-02 05:50:04,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:04,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 05:50:04,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:04,698 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 05:50:04,699 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-12-02 05:50:04,699 INFO L87 Difference]: Start difference. First operand 72 states and 74 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-12-02 05:50:05,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:05,810 INFO L93 Difference]: Finished difference Result 107 states and 125 transitions. [2024-12-02 05:50:05,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 05:50:05,810 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 24 [2024-12-02 05:50:05,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:50:05,811 INFO L225 Difference]: With dead ends: 107 [2024-12-02 05:50:05,811 INFO L226 Difference]: Without dead ends: 104 [2024-12-02 05:50:05,812 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-12-02 05:50:05,812 INFO L435 NwaCegarLoop]: 38 mSDtfsCounter, 94 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-12-02 05:50:05,813 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 87 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 93 Invalid, 1 Unknown, 0 Unchecked, 1.1s Time] [2024-12-02 05:50:05,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-12-02 05:50:05,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 72. [2024-12-02 05:50:05,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 44 states have (on average 1.5) internal successors, (66), 65 states have internal predecessors, (66), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-12-02 05:50:05,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 74 transitions. [2024-12-02 05:50:05,820 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 74 transitions. Word has length 24 [2024-12-02 05:50:05,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:50:05,821 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 74 transitions. [2024-12-02 05:50:05,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-12-02 05:50:05,821 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 74 transitions. [2024-12-02 05:50:05,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-02 05:50:05,821 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:05,822 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:05,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 05:50:06,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:50:06,023 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-12-02 05:50:06,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:06,023 INFO L85 PathProgramCache]: Analyzing trace with hash -573508142, now seen corresponding path program 1 times [2024-12-02 05:50:06,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:06,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881445857] [2024-12-02 05:50:06,024 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:06,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:06,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 05:50:06,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [763479526] [2024-12-02 05:50:06,048 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:06,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:50:06,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:06,051 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:50:06,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 05:50:06,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:06,098 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-02 05:50:06,100 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:50:06,270 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-02 05:50:06,270 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 05:50:06,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:06,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881445857] [2024-12-02 05:50:06,485 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-02 05:50:06,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [763479526] [2024-12-02 05:50:06,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [763479526] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:50:06,485 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-12-02 05:50:06,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-12-02 05:50:06,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014218971] [2024-12-02 05:50:06,486 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-12-02 05:50:06,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 05:50:06,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:06,487 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 05:50:06,487 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-12-02 05:50:06,487 INFO L87 Difference]: Start difference. First operand 72 states and 74 transitions. Second operand has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 7 states have internal predecessors, (16), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-12-02 05:50:06,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:06,747 INFO L93 Difference]: Finished difference Result 113 states and 120 transitions. [2024-12-02 05:50:06,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 05:50:06,748 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 7 states have internal predecessors, (16), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 25 [2024-12-02 05:50:06,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:50:06,749 INFO L225 Difference]: With dead ends: 113 [2024-12-02 05:50:06,749 INFO L226 Difference]: Without dead ends: 104 [2024-12-02 05:50:06,749 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2024-12-02 05:50:06,750 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 167 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 05:50:06,751 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 101 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 05:50:06,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-12-02 05:50:06,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 94. [2024-12-02 05:50:06,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 65 states have (on average 1.4461538461538461) internal successors, (94), 86 states have internal predecessors, (94), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-12-02 05:50:06,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 104 transitions. [2024-12-02 05:50:06,762 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 104 transitions. Word has length 25 [2024-12-02 05:50:06,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:50:06,763 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 104 transitions. [2024-12-02 05:50:06,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 7 states have internal predecessors, (16), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-12-02 05:50:06,763 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 104 transitions. [2024-12-02 05:50:06,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-02 05:50:06,764 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:06,764 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:06,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 05:50:06,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:50:06,965 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-12-02 05:50:06,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:06,966 INFO L85 PathProgramCache]: Analyzing trace with hash -34012330, now seen corresponding path program 1 times [2024-12-02 05:50:06,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:06,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503154832] [2024-12-02 05:50:06,966 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:06,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:06,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 05:50:06,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2021783467] [2024-12-02 05:50:06,989 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:06,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:50:06,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:06,992 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:50:06,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 05:50:07,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:07,030 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 05:50:07,031 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:50:07,225 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-02 05:50:07,225 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:50:07,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:07,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503154832] [2024-12-02 05:50:07,225 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-02 05:50:07,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2021783467] [2024-12-02 05:50:07,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2021783467] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:07,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:50:07,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 05:50:07,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047412990] [2024-12-02 05:50:07,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:07,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 05:50:07,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:07,227 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 05:50:07,227 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 05:50:07,227 INFO L87 Difference]: Start difference. First operand 94 states and 104 transitions. Second operand has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-12-02 05:50:07,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:07,376 INFO L93 Difference]: Finished difference Result 104 states and 115 transitions. [2024-12-02 05:50:07,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 05:50:07,377 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 29 [2024-12-02 05:50:07,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:50:07,378 INFO L225 Difference]: With dead ends: 104 [2024-12-02 05:50:07,378 INFO L226 Difference]: Without dead ends: 102 [2024-12-02 05:50:07,378 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-12-02 05:50:07,379 INFO L435 NwaCegarLoop]: 38 mSDtfsCounter, 55 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 05:50:07,380 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 137 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 05:50:07,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-12-02 05:50:07,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 95. [2024-12-02 05:50:07,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 66 states have (on average 1.4242424242424243) internal successors, (94), 87 states have internal predecessors, (94), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-12-02 05:50:07,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 104 transitions. [2024-12-02 05:50:07,391 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 104 transitions. Word has length 29 [2024-12-02 05:50:07,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:50:07,392 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 104 transitions. [2024-12-02 05:50:07,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-12-02 05:50:07,392 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 104 transitions. [2024-12-02 05:50:07,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-02 05:50:07,393 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:07,393 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:07,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-02 05:50:07,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:50:07,594 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-12-02 05:50:07,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:07,595 INFO L85 PathProgramCache]: Analyzing trace with hash -1054382164, now seen corresponding path program 1 times [2024-12-02 05:50:07,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:07,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891049726] [2024-12-02 05:50:07,595 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:07,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:07,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 05:50:07,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [628558529] [2024-12-02 05:50:07,619 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:07,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:50:07,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:07,621 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:50:07,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-02 05:50:07,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:07,663 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 05:50:07,664 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:50:09,702 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-02 05:50:09,702 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:50:09,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:09,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891049726] [2024-12-02 05:50:09,703 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-02 05:50:09,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [628558529] [2024-12-02 05:50:09,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [628558529] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:09,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:50:09,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 05:50:09,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818663100] [2024-12-02 05:50:09,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:09,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 05:50:09,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:09,704 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 05:50:09,704 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=5, Unknown=1, NotChecked=0, Total=12 [2024-12-02 05:50:09,704 INFO L87 Difference]: Start difference. First operand 95 states and 104 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-12-02 05:50:11,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:50:14,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.43s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:50:14,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:14,508 INFO L93 Difference]: Finished difference Result 104 states and 113 transitions. [2024-12-02 05:50:14,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 05:50:14,509 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 30 [2024-12-02 05:50:14,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:50:14,510 INFO L225 Difference]: With dead ends: 104 [2024-12-02 05:50:14,510 INFO L226 Difference]: Without dead ends: 102 [2024-12-02 05:50:14,510 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=6, Invalid=5, Unknown=1, NotChecked=0, Total=12 [2024-12-02 05:50:14,510 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 46 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-12-02 05:50:14,511 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 106 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 35 Invalid, 2 Unknown, 0 Unchecked, 4.8s Time] [2024-12-02 05:50:14,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-12-02 05:50:14,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 96. [2024-12-02 05:50:14,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 67 states have (on average 1.4029850746268657) internal successors, (94), 88 states have internal predecessors, (94), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-12-02 05:50:14,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 104 transitions. [2024-12-02 05:50:14,520 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 104 transitions. Word has length 30 [2024-12-02 05:50:14,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:50:14,521 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 104 transitions. [2024-12-02 05:50:14,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-12-02 05:50:14,521 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 104 transitions. [2024-12-02 05:50:14,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-02 05:50:14,522 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:14,522 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-12-02 05:50:14,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-02 05:50:14,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:50:14,723 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-12-02 05:50:14,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:14,724 INFO L85 PathProgramCache]: Analyzing trace with hash 1673891352, now seen corresponding path program 1 times [2024-12-02 05:50:14,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:14,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839786713] [2024-12-02 05:50:14,724 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:14,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:14,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 05:50:14,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1228532082] [2024-12-02 05:50:14,740 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:14,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:50:14,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:14,743 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:50:14,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-12-02 05:50:14,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:14,786 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-02 05:50:14,788 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:50:15,124 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-02 05:50:15,125 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 05:50:15,277 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-02 05:50:15,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:15,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839786713] [2024-12-02 05:50:15,277 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-02 05:50:15,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1228532082] [2024-12-02 05:50:15,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1228532082] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 05:50:15,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 05:50:15,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2024-12-02 05:50:15,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097773379] [2024-12-02 05:50:15,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:15,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 05:50:15,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:15,279 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 05:50:15,279 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-12-02 05:50:15,279 INFO L87 Difference]: Start difference. First operand 96 states and 104 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-12-02 05:50:15,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:15,668 INFO L93 Difference]: Finished difference Result 101 states and 107 transitions. [2024-12-02 05:50:15,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 05:50:15,669 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), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 31 [2024-12-02 05:50:15,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:50:15,670 INFO L225 Difference]: With dead ends: 101 [2024-12-02 05:50:15,670 INFO L226 Difference]: Without dead ends: 99 [2024-12-02 05:50:15,671 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-12-02 05:50:15,671 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 68 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 05:50:15,672 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 73 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 05:50:15,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-12-02 05:50:15,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 95. [2024-12-02 05:50:15,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 67 states have (on average 1.373134328358209) internal successors, (92), 87 states have internal predecessors, (92), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-12-02 05:50:15,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 102 transitions. [2024-12-02 05:50:15,683 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 102 transitions. Word has length 31 [2024-12-02 05:50:15,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:50:15,684 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 102 transitions. [2024-12-02 05:50:15,684 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), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-12-02 05:50:15,684 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 102 transitions. [2024-12-02 05:50:15,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-02 05:50:15,685 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:15,685 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-12-02 05:50:15,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-12-02 05:50:15,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:50:15,886 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-12-02 05:50:15,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:15,886 INFO L85 PathProgramCache]: Analyzing trace with hash 351024430, now seen corresponding path program 1 times [2024-12-02 05:50:15,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:15,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896152541] [2024-12-02 05:50:15,886 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:15,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:15,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 05:50:15,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [524279232] [2024-12-02 05:50:15,905 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:15,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:50:15,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:15,908 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:50:15,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-12-02 05:50:15,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:15,947 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-02 05:50:15,949 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:50:16,321 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-02 05:50:16,321 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 05:50:16,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:16,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896152541] [2024-12-02 05:50:16,989 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-02 05:50:16,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [524279232] [2024-12-02 05:50:16,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [524279232] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:50:16,989 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-12-02 05:50:16,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-12-02 05:50:16,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665712948] [2024-12-02 05:50:16,989 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-12-02 05:50:16,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 05:50:16,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:16,990 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 05:50:16,990 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2024-12-02 05:50:16,990 INFO L87 Difference]: Start difference. First operand 95 states and 102 transitions. Second operand has 9 states, 8 states have (on average 2.875) internal successors, (23), 9 states have internal predecessors, (23), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-12-02 05:50:17,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:17,250 INFO L93 Difference]: Finished difference Result 105 states and 108 transitions. [2024-12-02 05:50:17,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 05:50:17,251 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.875) internal successors, (23), 9 states have internal predecessors, (23), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 32 [2024-12-02 05:50:17,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:50:17,251 INFO L225 Difference]: With dead ends: 105 [2024-12-02 05:50:17,252 INFO L226 Difference]: Without dead ends: 91 [2024-12-02 05:50:17,252 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2024-12-02 05:50:17,253 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 95 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 05:50:17,253 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 100 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 05:50:17,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-12-02 05:50:17,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 89. [2024-12-02 05:50:17,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 61 states have (on average 1.3770491803278688) internal successors, (84), 81 states have internal predecessors, (84), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-12-02 05:50:17,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 94 transitions. [2024-12-02 05:50:17,262 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 94 transitions. Word has length 32 [2024-12-02 05:50:17,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:50:17,262 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 94 transitions. [2024-12-02 05:50:17,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.875) internal successors, (23), 9 states have internal predecessors, (23), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-12-02 05:50:17,263 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 94 transitions. [2024-12-02 05:50:17,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-02 05:50:17,264 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:17,264 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-12-02 05:50:17,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-12-02 05:50:17,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:50:17,464 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-12-02 05:50:17,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:17,465 INFO L85 PathProgramCache]: Analyzing trace with hash 1451486744, now seen corresponding path program 1 times [2024-12-02 05:50:17,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:17,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265513994] [2024-12-02 05:50:17,465 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:17,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:17,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:17,553 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-02 05:50:17,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:17,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265513994] [2024-12-02 05:50:17,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265513994] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:17,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:50:17,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 05:50:17,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107337760] [2024-12-02 05:50:17,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:17,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 05:50:17,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:17,555 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 05:50:17,555 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 05:50:17,555 INFO L87 Difference]: Start difference. First operand 89 states and 94 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-12-02 05:50:17,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:17,579 INFO L93 Difference]: Finished difference Result 91 states and 94 transitions. [2024-12-02 05:50:17,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 05:50:17,579 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 39 [2024-12-02 05:50:17,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:50:17,580 INFO L225 Difference]: With dead ends: 91 [2024-12-02 05:50:17,580 INFO L226 Difference]: Without dead ends: 89 [2024-12-02 05:50:17,581 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 [2024-12-02 05:50:17,581 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 1 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 05:50:17,582 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 129 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 05:50:17,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-12-02 05:50:17,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2024-12-02 05:50:17,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 61 states have (on average 1.3442622950819672) internal successors, (82), 81 states have internal predecessors, (82), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-12-02 05:50:17,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 92 transitions. [2024-12-02 05:50:17,592 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 92 transitions. Word has length 39 [2024-12-02 05:50:17,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:50:17,592 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 92 transitions. [2024-12-02 05:50:17,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-12-02 05:50:17,593 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 92 transitions. [2024-12-02 05:50:17,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-02 05:50:17,594 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:17,594 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-12-02 05:50:17,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 05:50:17,594 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-12-02 05:50:17,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:17,595 INFO L85 PathProgramCache]: Analyzing trace with hash 163320064, now seen corresponding path program 1 times [2024-12-02 05:50:17,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:17,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297798266] [2024-12-02 05:50:17,595 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:17,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:17,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 05:50:17,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1314607042] [2024-12-02 05:50:17,618 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:17,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:50:17,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:17,620 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:50:17,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-12-02 05:50:17,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:17,680 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-02 05:50:17,682 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:50:18,083 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-02 05:50:18,084 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 05:50:18,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:18,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297798266] [2024-12-02 05:50:18,303 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-02 05:50:18,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1314607042] [2024-12-02 05:50:18,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1314607042] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:50:18,303 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-12-02 05:50:18,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-12-02 05:50:18,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20231403] [2024-12-02 05:50:18,303 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-12-02 05:50:18,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 05:50:18,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:18,304 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 05:50:18,304 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-12-02 05:50:18,304 INFO L87 Difference]: Start difference. First operand 89 states and 92 transitions. Second operand has 8 states, 7 states have (on average 5.285714285714286) internal successors, (37), 8 states have internal predecessors, (37), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-12-02 05:50:18,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:18,656 INFO L93 Difference]: Finished difference Result 125 states and 140 transitions. [2024-12-02 05:50:18,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 05:50:18,656 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.285714285714286) internal successors, (37), 8 states have internal predecessors, (37), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 48 [2024-12-02 05:50:18,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:50:18,657 INFO L225 Difference]: With dead ends: 125 [2024-12-02 05:50:18,658 INFO L226 Difference]: Without dead ends: 123 [2024-12-02 05:50:18,658 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-12-02 05:50:18,658 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 102 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 05:50:18,659 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 126 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 05:50:18,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-12-02 05:50:18,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 107. [2024-12-02 05:50:18,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 78 states have (on average 1.4102564102564104) internal successors, (110), 98 states have internal predecessors, (110), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-12-02 05:50:18,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 122 transitions. [2024-12-02 05:50:18,666 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 122 transitions. Word has length 48 [2024-12-02 05:50:18,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:50:18,666 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 122 transitions. [2024-12-02 05:50:18,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.285714285714286) internal successors, (37), 8 states have internal predecessors, (37), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-12-02 05:50:18,666 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 122 transitions. [2024-12-02 05:50:18,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-02 05:50:18,667 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:18,667 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:18,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-12-02 05:50:18,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-12-02 05:50:18,868 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-12-02 05:50:18,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:18,868 INFO L85 PathProgramCache]: Analyzing trace with hash 767954744, now seen corresponding path program 1 times [2024-12-02 05:50:18,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:18,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339931175] [2024-12-02 05:50:18,869 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:18,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:18,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 05:50:18,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [403526480] [2024-12-02 05:50:18,887 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:18,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:50:18,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:18,889 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:50:18,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-12-02 05:50:18,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:18,935 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-02 05:50:18,937 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:50:19,086 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-02 05:50:19,086 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 05:50:19,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:19,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339931175] [2024-12-02 05:50:19,276 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-02 05:50:19,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [403526480] [2024-12-02 05:50:19,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [403526480] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:50:19,276 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-12-02 05:50:19,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-12-02 05:50:19,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484416190] [2024-12-02 05:50:19,277 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-12-02 05:50:19,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 05:50:19,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:19,278 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 05:50:19,278 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-12-02 05:50:19,278 INFO L87 Difference]: Start difference. First operand 107 states and 122 transitions. Second operand has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 7 states have internal predecessors, (38), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-12-02 05:50:19,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:19,470 INFO L93 Difference]: Finished difference Result 107 states and 122 transitions. [2024-12-02 05:50:19,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 05:50:19,471 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 7 states have internal predecessors, (38), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 49 [2024-12-02 05:50:19,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:50:19,472 INFO L225 Difference]: With dead ends: 107 [2024-12-02 05:50:19,472 INFO L226 Difference]: Without dead ends: 105 [2024-12-02 05:50:19,472 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-12-02 05:50:19,473 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 30 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 05:50:19,473 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 135 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 05:50:19,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2024-12-02 05:50:19,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2024-12-02 05:50:19,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 78 states have (on average 1.3717948717948718) internal successors, (107), 96 states have internal predecessors, (107), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-12-02 05:50:19,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 119 transitions. [2024-12-02 05:50:19,483 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 119 transitions. Word has length 49 [2024-12-02 05:50:19,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:50:19,483 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 119 transitions. [2024-12-02 05:50:19,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 7 states have internal predecessors, (38), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-12-02 05:50:19,484 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 119 transitions. [2024-12-02 05:50:19,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-12-02 05:50:19,484 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:19,484 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-12-02 05:50:19,492 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-12-02 05:50:19,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-12-02 05:50:19,685 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-12-02 05:50:19,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:19,685 INFO L85 PathProgramCache]: Analyzing trace with hash -1963206654, now seen corresponding path program 1 times [2024-12-02 05:50:19,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:19,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409714322] [2024-12-02 05:50:19,686 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:19,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:19,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 05:50:19,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [854248838] [2024-12-02 05:50:19,700 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:19,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:50:19,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:19,702 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:50:19,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-12-02 05:50:19,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:19,748 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-02 05:50:19,749 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:50:20,450 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-02 05:50:20,451 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 05:50:20,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:20,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409714322] [2024-12-02 05:50:20,726 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-02 05:50:20,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [854248838] [2024-12-02 05:50:20,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [854248838] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:50:20,726 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-12-02 05:50:20,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-12-02 05:50:20,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320759681] [2024-12-02 05:50:20,727 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-12-02 05:50:20,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 05:50:20,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:20,727 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 05:50:20,727 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2024-12-02 05:50:20,727 INFO L87 Difference]: Start difference. First operand 105 states and 119 transitions. Second operand has 13 states, 12 states have (on average 3.25) internal successors, (39), 13 states have internal predecessors, (39), 4 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-12-02 05:50:21,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:21,524 INFO L93 Difference]: Finished difference Result 105 states and 119 transitions. [2024-12-02 05:50:21,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 05:50:21,525 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.25) internal successors, (39), 13 states have internal predecessors, (39), 4 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 50 [2024-12-02 05:50:21,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:50:21,525 INFO L225 Difference]: With dead ends: 105 [2024-12-02 05:50:21,526 INFO L226 Difference]: Without dead ends: 99 [2024-12-02 05:50:21,526 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2024-12-02 05:50:21,526 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 131 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 05:50:21,526 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 154 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 293 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 05:50:21,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-12-02 05:50:21,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2024-12-02 05:50:21,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 78 states have (on average 1.2564102564102564) internal successors, (98), 90 states have internal predecessors, (98), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-12-02 05:50:21,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 110 transitions. [2024-12-02 05:50:21,538 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 110 transitions. Word has length 50 [2024-12-02 05:50:21,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:50:21,538 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 110 transitions. [2024-12-02 05:50:21,539 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.25) internal successors, (39), 13 states have internal predecessors, (39), 4 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-12-02 05:50:21,539 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 110 transitions. [2024-12-02 05:50:21,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-02 05:50:21,540 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:21,540 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:21,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-12-02 05:50:21,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-12-02 05:50:21,740 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-12-02 05:50:21,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:21,741 INFO L85 PathProgramCache]: Analyzing trace with hash -1319700036, now seen corresponding path program 1 times [2024-12-02 05:50:21,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:21,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060059091] [2024-12-02 05:50:21,741 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:21,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:21,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 05:50:21,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [933149775] [2024-12-02 05:50:21,759 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:21,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:50:21,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:21,761 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:50:21,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-12-02 05:50:21,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:21,807 INFO L256 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-02 05:50:21,809 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:50:22,364 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-02 05:50:22,364 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 05:50:22,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:22,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060059091] [2024-12-02 05:50:22,552 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-02 05:50:22,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [933149775] [2024-12-02 05:50:22,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [933149775] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:50:22,552 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-12-02 05:50:22,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-12-02 05:50:22,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848288655] [2024-12-02 05:50:22,553 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-12-02 05:50:22,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 05:50:22,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:22,554 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 05:50:22,554 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-12-02 05:50:22,554 INFO L87 Difference]: Start difference. First operand 99 states and 110 transitions. Second operand has 9 states, 8 states have (on average 5.25) internal successors, (42), 9 states have internal predecessors, (42), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-12-02 05:50:22,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:22,904 INFO L93 Difference]: Finished difference Result 99 states and 110 transitions. [2024-12-02 05:50:22,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 05:50:22,905 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.25) internal successors, (42), 9 states have internal predecessors, (42), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 53 [2024-12-02 05:50:22,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:50:22,906 INFO L225 Difference]: With dead ends: 99 [2024-12-02 05:50:22,906 INFO L226 Difference]: Without dead ends: 96 [2024-12-02 05:50:22,906 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2024-12-02 05:50:22,907 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 98 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 05:50:22,907 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 96 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 05:50:22,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-12-02 05:50:22,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-12-02 05:50:22,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 78 states have (on average 1.205128205128205) internal successors, (94), 87 states have internal predecessors, (94), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-12-02 05:50:22,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 106 transitions. [2024-12-02 05:50:22,918 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 106 transitions. Word has length 53 [2024-12-02 05:50:22,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:50:22,918 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 106 transitions. [2024-12-02 05:50:22,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.25) internal successors, (42), 9 states have internal predecessors, (42), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-12-02 05:50:22,919 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 106 transitions. [2024-12-02 05:50:22,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-12-02 05:50:22,919 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:22,919 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:22,931 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-12-02 05:50:23,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-12-02 05:50:23,120 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-12-02 05:50:23,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:23,120 INFO L85 PathProgramCache]: Analyzing trace with hash 2038971910, now seen corresponding path program 1 times [2024-12-02 05:50:23,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:23,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948069022] [2024-12-02 05:50:23,121 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:23,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:23,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 05:50:23,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [929963942] [2024-12-02 05:50:23,134 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:23,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:50:23,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:23,136 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:50:23,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-12-02 05:50:23,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:23,194 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-02 05:50:23,197 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:50:23,865 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-02 05:50:23,866 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 05:50:24,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:24,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948069022] [2024-12-02 05:50:24,893 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-02 05:50:24,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [929963942] [2024-12-02 05:50:24,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [929963942] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:50:24,893 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-12-02 05:50:24,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-12-02 05:50:24,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222567312] [2024-12-02 05:50:24,893 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-12-02 05:50:24,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 05:50:24,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:24,894 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 05:50:24,894 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2024-12-02 05:50:24,895 INFO L87 Difference]: Start difference. First operand 96 states and 106 transitions. Second operand has 12 states, 11 states have (on average 3.909090909090909) internal successors, (43), 12 states have internal predecessors, (43), 4 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-12-02 05:50:25,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:25,408 INFO L93 Difference]: Finished difference Result 115 states and 122 transitions. [2024-12-02 05:50:25,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 05:50:25,417 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.909090909090909) internal successors, (43), 12 states have internal predecessors, (43), 4 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 54 [2024-12-02 05:50:25,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:50:25,418 INFO L225 Difference]: With dead ends: 115 [2024-12-02 05:50:25,418 INFO L226 Difference]: Without dead ends: 112 [2024-12-02 05:50:25,418 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=92, Invalid=370, Unknown=0, NotChecked=0, Total=462 [2024-12-02 05:50:25,419 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 109 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 440 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 05:50:25,419 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 160 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 440 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 05:50:25,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-12-02 05:50:25,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 106. [2024-12-02 05:50:25,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 88 states have (on average 1.1704545454545454) internal successors, (103), 97 states have internal predecessors, (103), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-12-02 05:50:25,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 115 transitions. [2024-12-02 05:50:25,432 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 115 transitions. Word has length 54 [2024-12-02 05:50:25,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:50:25,432 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 115 transitions. [2024-12-02 05:50:25,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.909090909090909) internal successors, (43), 12 states have internal predecessors, (43), 4 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-12-02 05:50:25,433 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 115 transitions. [2024-12-02 05:50:25,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-02 05:50:25,434 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:25,434 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:25,447 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-12-02 05:50:25,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-12-02 05:50:25,635 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-12-02 05:50:25,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:25,635 INFO L85 PathProgramCache]: Analyzing trace with hash -1216380162, now seen corresponding path program 1 times [2024-12-02 05:50:25,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:25,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671005157] [2024-12-02 05:50:25,636 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:25,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:25,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 05:50:25,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [742276126] [2024-12-02 05:50:25,654 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:25,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:50:25,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:25,658 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:50:25,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-12-02 05:50:25,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:25,706 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-02 05:50:25,708 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:50:26,149 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-02 05:50:26,150 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 05:50:26,433 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-02 05:50:26,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:26,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671005157] [2024-12-02 05:50:26,433 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-02 05:50:26,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [742276126] [2024-12-02 05:50:26,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [742276126] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 05:50:26,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 05:50:26,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 14 [2024-12-02 05:50:26,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006280603] [2024-12-02 05:50:26,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:26,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 05:50:26,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:26,435 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 05:50:26,435 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-12-02 05:50:26,435 INFO L87 Difference]: Start difference. First operand 106 states and 115 transitions. Second operand has 7 states, 6 states have (on average 6.833333333333333) internal successors, (41), 7 states have internal predecessors, (41), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-12-02 05:50:26,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:26,875 INFO L93 Difference]: Finished difference Result 106 states and 115 transitions. [2024-12-02 05:50:26,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 05:50:26,876 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.833333333333333) internal successors, (41), 7 states have internal predecessors, (41), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 55 [2024-12-02 05:50:26,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:50:26,877 INFO L225 Difference]: With dead ends: 106 [2024-12-02 05:50:26,877 INFO L226 Difference]: Without dead ends: 105 [2024-12-02 05:50:26,878 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2024-12-02 05:50:26,878 INFO L435 NwaCegarLoop]: 34 mSDtfsCounter, 31 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 05:50:26,879 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 144 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 05:50:26,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2024-12-02 05:50:26,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2024-12-02 05:50:26,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 88 states have (on average 1.1477272727272727) internal successors, (101), 96 states have internal predecessors, (101), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-12-02 05:50:26,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 113 transitions. [2024-12-02 05:50:26,887 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 113 transitions. Word has length 55 [2024-12-02 05:50:26,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:50:26,887 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 113 transitions. [2024-12-02 05:50:26,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.833333333333333) internal successors, (41), 7 states have internal predecessors, (41), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-12-02 05:50:26,888 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 113 transitions. [2024-12-02 05:50:26,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-12-02 05:50:26,888 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:26,888 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:26,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-12-02 05:50:27,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-12-02 05:50:27,089 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-12-02 05:50:27,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:27,090 INFO L85 PathProgramCache]: Analyzing trace with hash 946920712, now seen corresponding path program 1 times [2024-12-02 05:50:27,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:27,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153350803] [2024-12-02 05:50:27,090 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:27,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:27,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 05:50:27,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2117704109] [2024-12-02 05:50:27,105 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:27,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:50:27,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:27,108 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:50:27,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-12-02 05:50:27,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:27,157 INFO L256 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-02 05:50:27,159 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:50:27,634 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-02 05:50:27,634 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 05:50:28,026 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-02 05:50:28,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:28,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153350803] [2024-12-02 05:50:28,026 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-02 05:50:28,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2117704109] [2024-12-02 05:50:28,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2117704109] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 05:50:28,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 05:50:28,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 14 [2024-12-02 05:50:28,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482739455] [2024-12-02 05:50:28,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:28,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 05:50:28,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:28,028 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 05:50:28,028 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-12-02 05:50:28,028 INFO L87 Difference]: Start difference. First operand 105 states and 113 transitions. Second operand has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-12-02 05:50:28,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:28,617 INFO L93 Difference]: Finished difference Result 105 states and 113 transitions. [2024-12-02 05:50:28,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 05:50:28,618 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 56 [2024-12-02 05:50:28,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:50:28,619 INFO L225 Difference]: With dead ends: 105 [2024-12-02 05:50:28,619 INFO L226 Difference]: Without dead ends: 93 [2024-12-02 05:50:28,619 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2024-12-02 05:50:28,620 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 30 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 05:50:28,620 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 115 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 05:50:28,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-12-02 05:50:28,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2024-12-02 05:50:28,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 78 states have (on average 1.1153846153846154) internal successors, (87), 84 states have internal predecessors, (87), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-12-02 05:50:28,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 99 transitions. [2024-12-02 05:50:28,627 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 99 transitions. Word has length 56 [2024-12-02 05:50:28,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:50:28,628 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 99 transitions. [2024-12-02 05:50:28,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-12-02 05:50:28,628 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 99 transitions. [2024-12-02 05:50:28,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-12-02 05:50:28,628 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:28,628 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:28,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-12-02 05:50:28,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-12-02 05:50:28,829 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-12-02 05:50:28,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:28,829 INFO L85 PathProgramCache]: Analyzing trace with hash 1350933758, now seen corresponding path program 1 times [2024-12-02 05:50:28,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:28,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670445866] [2024-12-02 05:50:28,829 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:28,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:28,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:28,931 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-02 05:50:28,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:28,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670445866] [2024-12-02 05:50:28,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670445866] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:50:28,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [887495837] [2024-12-02 05:50:28,932 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:28,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:50:28,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:28,934 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:50:28,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-12-02 05:50:28,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:28,986 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 05:50:28,987 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:50:29,051 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-02 05:50:29,052 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:50:29,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [887495837] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:50:29,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 05:50:29,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-12-02 05:50:29,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926907706] [2024-12-02 05:50:29,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:50:29,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 05:50:29,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:29,053 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 05:50:29,053 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 05:50:29,054 INFO L87 Difference]: Start difference. First operand 93 states and 99 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-12-02 05:50:29,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:29,082 INFO L93 Difference]: Finished difference Result 93 states and 99 transitions. [2024-12-02 05:50:29,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 05:50:29,082 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 63 [2024-12-02 05:50:29,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:50:29,083 INFO L225 Difference]: With dead ends: 93 [2024-12-02 05:50:29,084 INFO L226 Difference]: Without dead ends: 92 [2024-12-02 05:50:29,084 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 05:50:29,084 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 9 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 05:50:29,084 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 98 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 05:50:29,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-12-02 05:50:29,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2024-12-02 05:50:29,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 78 states have (on average 1.0897435897435896) internal successors, (85), 83 states have internal predecessors, (85), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-12-02 05:50:29,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 97 transitions. [2024-12-02 05:50:29,092 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 97 transitions. Word has length 63 [2024-12-02 05:50:29,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:50:29,092 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 97 transitions. [2024-12-02 05:50:29,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-12-02 05:50:29,092 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 97 transitions. [2024-12-02 05:50:29,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-12-02 05:50:29,093 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:29,093 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:29,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-12-02 05:50:29,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-12-02 05:50:29,294 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-12-02 05:50:29,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:29,294 INFO L85 PathProgramCache]: Analyzing trace with hash -1070726382, now seen corresponding path program 1 times [2024-12-02 05:50:29,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:29,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311961754] [2024-12-02 05:50:29,294 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:29,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:29,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:29,367 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-02 05:50:29,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:29,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311961754] [2024-12-02 05:50:29,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311961754] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:50:29,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [200114563] [2024-12-02 05:50:29,367 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:50:29,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:50:29,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:29,369 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:50:29,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-12-02 05:50:29,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:50:29,415 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 05:50:29,416 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:50:29,470 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-02 05:50:29,470 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 05:50:29,549 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-02 05:50:29,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [200114563] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 05:50:29,549 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 05:50:29,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-12-02 05:50:29,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195354726] [2024-12-02 05:50:29,550 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 05:50:29,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 05:50:29,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:29,551 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 05:50:29,551 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-12-02 05:50:29,551 INFO L87 Difference]: Start difference. First operand 92 states and 97 transitions. Second operand has 7 states, 6 states have (on average 16.0) internal successors, (96), 7 states have internal predecessors, (96), 6 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2024-12-02 05:50:29,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:29,598 INFO L93 Difference]: Finished difference Result 133 states and 143 transitions. [2024-12-02 05:50:29,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 05:50:29,599 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.0) internal successors, (96), 7 states have internal predecessors, (96), 6 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) Word has length 64 [2024-12-02 05:50:29,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:50:29,600 INFO L225 Difference]: With dead ends: 133 [2024-12-02 05:50:29,600 INFO L226 Difference]: Without dead ends: 132 [2024-12-02 05:50:29,601 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-12-02 05:50:29,601 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 14 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 05:50:29,601 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 151 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 05:50:29,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-12-02 05:50:29,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 126. [2024-12-02 05:50:29,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 110 states have (on average 1.1272727272727272) internal successors, (124), 115 states have internal predecessors, (124), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-12-02 05:50:29,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 140 transitions. [2024-12-02 05:50:29,618 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 140 transitions. Word has length 64 [2024-12-02 05:50:29,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:50:29,618 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 140 transitions. [2024-12-02 05:50:29,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.0) internal successors, (96), 7 states have internal predecessors, (96), 6 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2024-12-02 05:50:29,618 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 140 transitions. [2024-12-02 05:50:29,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-12-02 05:50:29,619 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:29,619 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:29,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-12-02 05:50:29,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-12-02 05:50:29,820 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-12-02 05:50:29,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:29,820 INFO L85 PathProgramCache]: Analyzing trace with hash 632931546, now seen corresponding path program 2 times [2024-12-02 05:50:29,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:29,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58238834] [2024-12-02 05:50:29,821 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 05:50:29,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:29,842 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 05:50:29,842 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-12-02 05:50:29,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [41444019] [2024-12-02 05:50:29,843 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 05:50:29,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:50:29,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:29,846 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:50:29,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-12-02 05:50:29,908 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 05:50:29,908 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 05:50:29,909 INFO L256 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-12-02 05:50:29,911 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:50:30,666 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-12-02 05:50:30,666 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 05:50:30,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:30,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58238834] [2024-12-02 05:50:30,946 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-02 05:50:30,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [41444019] [2024-12-02 05:50:30,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [41444019] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:50:30,946 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-12-02 05:50:30,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-12-02 05:50:30,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691570959] [2024-12-02 05:50:30,946 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-12-02 05:50:30,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 05:50:30,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:30,947 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 05:50:30,947 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2024-12-02 05:50:30,947 INFO L87 Difference]: Start difference. First operand 126 states and 140 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 5 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2024-12-02 05:50:31,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:31,398 INFO L93 Difference]: Finished difference Result 140 states and 150 transitions. [2024-12-02 05:50:31,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 05:50:31,399 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 5 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Word has length 72 [2024-12-02 05:50:31,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:50:31,401 INFO L225 Difference]: With dead ends: 140 [2024-12-02 05:50:31,401 INFO L226 Difference]: Without dead ends: 138 [2024-12-02 05:50:31,401 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2024-12-02 05:50:31,402 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 154 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 05:50:31,402 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 152 Invalid, 364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 05:50:31,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2024-12-02 05:50:31,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 126. [2024-12-02 05:50:31,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 110 states have (on average 1.1090909090909091) internal successors, (122), 115 states have internal predecessors, (122), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-12-02 05:50:31,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 138 transitions. [2024-12-02 05:50:31,413 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 138 transitions. Word has length 72 [2024-12-02 05:50:31,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:50:31,413 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 138 transitions. [2024-12-02 05:50:31,413 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 5 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2024-12-02 05:50:31,414 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 138 transitions. [2024-12-02 05:50:31,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-12-02 05:50:31,414 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:31,414 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:31,423 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-12-02 05:50:31,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:50:31,614 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-12-02 05:50:31,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:31,615 INFO L85 PathProgramCache]: Analyzing trace with hash -347986336, now seen corresponding path program 2 times [2024-12-02 05:50:31,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:31,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266295930] [2024-12-02 05:50:31,615 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 05:50:31,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:31,629 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 05:50:31,629 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-12-02 05:50:31,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1195101953] [2024-12-02 05:50:31,629 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 05:50:31,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:50:31,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:31,632 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:50:31,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-12-02 05:50:31,709 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 05:50:31,709 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 05:50:31,710 INFO L256 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-02 05:50:31,711 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:50:32,835 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 42 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-12-02 05:50:32,836 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 05:50:33,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:50:33,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266295930] [2024-12-02 05:50:33,285 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-02 05:50:33,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1195101953] [2024-12-02 05:50:33,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1195101953] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:50:33,285 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-12-02 05:50:33,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-12-02 05:50:33,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700008202] [2024-12-02 05:50:33,285 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-12-02 05:50:33,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 05:50:33,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:50:33,286 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 05:50:33,286 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2024-12-02 05:50:33,287 INFO L87 Difference]: Start difference. First operand 126 states and 138 transitions. Second operand has 14 states, 13 states have (on average 5.0) internal successors, (65), 14 states have internal predecessors, (65), 5 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2024-12-02 05:50:34,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:50:34,225 INFO L93 Difference]: Finished difference Result 137 states and 146 transitions. [2024-12-02 05:50:34,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 05:50:34,226 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.0) internal successors, (65), 14 states have internal predecessors, (65), 5 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Word has length 78 [2024-12-02 05:50:34,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:50:34,227 INFO L225 Difference]: With dead ends: 137 [2024-12-02 05:50:34,227 INFO L226 Difference]: Without dead ends: 126 [2024-12-02 05:50:34,227 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=103, Invalid=359, Unknown=0, NotChecked=0, Total=462 [2024-12-02 05:50:34,228 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 102 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 535 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 05:50:34,228 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 180 Invalid, 542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 535 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 05:50:34,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2024-12-02 05:50:34,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2024-12-02 05:50:34,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 110 states have (on average 1.0818181818181818) internal successors, (119), 115 states have internal predecessors, (119), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-12-02 05:50:34,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 135 transitions. [2024-12-02 05:50:34,238 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 135 transitions. Word has length 78 [2024-12-02 05:50:34,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:50:34,239 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 135 transitions. [2024-12-02 05:50:34,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.0) internal successors, (65), 14 states have internal predecessors, (65), 5 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2024-12-02 05:50:34,239 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 135 transitions. [2024-12-02 05:50:34,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-12-02 05:50:34,240 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:50:34,240 INFO L218 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:50:34,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-12-02 05:50:34,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:50:34,440 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-12-02 05:50:34,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:50:34,441 INFO L85 PathProgramCache]: Analyzing trace with hash -1313862988, now seen corresponding path program 3 times [2024-12-02 05:50:34,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:50:34,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940320661] [2024-12-02 05:50:34,441 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-02 05:50:34,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:50:34,469 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-12-02 05:50:34,469 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-12-02 05:50:34,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1066153921] [2024-12-02 05:50:34,471 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-02 05:50:34,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:50:34,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:50:34,473 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:50:34,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-12-02 05:50:36,101 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-12-02 05:50:36,101 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 05:50:36,103 INFO L256 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-02 05:50:36,105 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:51:16,858 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-02 05:51:16,858 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 05:51:17,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:51:17,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940320661] [2024-12-02 05:51:17,606 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-02 05:51:17,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1066153921] [2024-12-02 05:51:17,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1066153921] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:51:17,606 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-12-02 05:51:17,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2024-12-02 05:51:17,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212477766] [2024-12-02 05:51:17,607 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-12-02 05:51:17,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-12-02 05:51:17,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:51:17,608 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-12-02 05:51:17,608 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=248, Unknown=9, NotChecked=0, Total=342 [2024-12-02 05:51:17,608 INFO L87 Difference]: Start difference. First operand 126 states and 135 transitions. Second operand has 16 states, 15 states have (on average 5.0) internal successors, (75), 16 states have internal predecessors, (75), 6 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-12-02 05:51:21,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:51:25,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.51s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:51:29,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:51:33,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:51:43,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:51:45,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:51:49,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:52:05,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:52:19,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.55s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:52:30,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:52:34,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:52:38,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:52:42,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:52:46,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:52:50,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:52:54,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:52:58,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:53:02,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:53:21,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:53:26,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:53:31,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:53:35,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:53:38,033 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:53:42,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:53:43,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:53:47,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:53:52,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:53:53,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:53:57,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:54:01,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:54:06,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.37s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:54:07,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:54:12,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.42s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:54:13,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:54:18,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:54:19,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:54:23,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:54:52,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:54:56,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:55:00,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:55:05,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:55:09,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:55:13,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:55:17,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:55:42,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:55:46,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:55:47,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:55:49,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:55:51,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.44s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:55:55,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:55:59,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:56:02,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:56:06,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:56:10,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.19s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:56:14,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:56:17,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:56:19,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:56:23,550 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:56:27,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:56:31,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:56:33,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:56:37,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:56:40,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:56:44,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:56:48,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:56:51,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:56:53,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:56:57,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:57:00,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:57:04,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:57:08,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:57:12,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:57:14,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:57:16,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:57:17,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:57:17,077 INFO L93 Difference]: Finished difference Result 142 states and 148 transitions. [2024-12-02 05:57:17,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-02 05:57:17,078 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.0) internal successors, (75), 16 states have internal predecessors, (75), 6 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) Word has length 96 [2024-12-02 05:57:17,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:57:17,079 INFO L225 Difference]: With dead ends: 142 [2024-12-02 05:57:17,079 INFO L226 Difference]: Without dead ends: 140 [2024-12-02 05:57:17,079 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 90 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 133.0s TimeCoverageRelationStatistics Valid=167, Invalid=456, Unknown=27, NotChecked=0, Total=650 [2024-12-02 05:57:17,080 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 178 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 16 mSolverCounterUnsat, 51 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 263.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 51 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 265.3s IncrementalHoareTripleChecker+Time [2024-12-02 05:57:17,080 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 166 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 524 Invalid, 51 Unknown, 0 Unchecked, 265.3s Time] [2024-12-02 05:57:17,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2024-12-02 05:57:17,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 130. [2024-12-02 05:57:17,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 114 states have (on average 1.0701754385964912) internal successors, (122), 119 states have internal predecessors, (122), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-12-02 05:57:17,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 138 transitions. [2024-12-02 05:57:17,093 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 138 transitions. Word has length 96 [2024-12-02 05:57:17,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:57:17,093 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 138 transitions. [2024-12-02 05:57:17,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.0) internal successors, (75), 16 states have internal predecessors, (75), 6 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-12-02 05:57:17,094 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 138 transitions. [2024-12-02 05:57:17,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-12-02 05:57:17,094 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:57:17,094 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:57:17,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-12-02 05:57:17,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-12-02 05:57:17,295 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-12-02 05:57:17,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:57:17,295 INFO L85 PathProgramCache]: Analyzing trace with hash 1086267578, now seen corresponding path program 3 times [2024-12-02 05:57:17,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:57:17,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264041816] [2024-12-02 05:57:17,295 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-02 05:57:17,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:57:17,318 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-12-02 05:57:17,318 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-12-02 05:57:17,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [992652576] [2024-12-02 05:57:17,319 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-02 05:57:17,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:57:17,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:57:17,321 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:57:17,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-12-02 05:57:17,433 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-12-02 05:57:17,434 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 05:57:17,434 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-12-02 05:57:17,437 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:57:56,810 WARN L873 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main_~x~0#1| Int) (|v_ULTIMATE.start_main_~y~0#1_68| Int) (|ULTIMATE.start_main_~z~0#1| Int)) (let ((.cse2 (* |v_ULTIMATE.start_main_~y~0#1_68| |c_ULTIMATE.start_main_~az~0#1|)) (.cse0 (* |v_ULTIMATE.start_main_~y~0#1_68| |ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~az~0#1|)) (.cse4 (* |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~z~0#1| |ULTIMATE.start_main_~z~0#1|)) (.cse5 (* |v_ULTIMATE.start_main_~y~0#1_68| |ULTIMATE.start_main_~z~0#1| |ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~az~0#1|)) (.cse3 (* |v_ULTIMATE.start_main_~y~0#1_68| |ULTIMATE.start_main_~z~0#1|)) (.cse1 (* |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~z~0#1|))) (and (<= |ULTIMATE.start_main_~z~0#1| 2147483647) (<= .cse0 (+ 9223372036854775808 .cse1)) (<= (+ .cse0 |ULTIMATE.start_main_~x~0#1|) (+ .cse2 9223372036854775808 .cse1)) (<= 0 (+ |ULTIMATE.start_main_~z~0#1| 2147483648)) (<= |ULTIMATE.start_main_~x~0#1| 9223372036854775807) (<= .cse2 9223372036854775807) (= .cse3 |c_ULTIMATE.start_main_~y~0#1|) (<= .cse1 (+ 9223372036854775807 |ULTIMATE.start_main_~x~0#1|)) (<= .cse0 9223372036854775807) (= (+ .cse4 |c_ULTIMATE.start_main_~az~0#1|) (+ .cse5 .cse1)) (<= 0 (+ 9223372036854775808 |ULTIMATE.start_main_~x~0#1|)) (<= .cse1 (+ .cse0 9223372036854775807)) (<= .cse4 (+ .cse5 9223372036854775808 .cse1)) (<= .cse3 9223372036854775807) (<= .cse1 9223372036854775807)))) is different from true [2024-12-02 05:57:57,800 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 63 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 6 not checked. [2024-12-02 05:57:57,800 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 05:58:06,950 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-02 05:58:06,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:58:06,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264041816] [2024-12-02 05:58:06,950 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-02 05:58:06,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [992652576] [2024-12-02 05:58:06,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [992652576] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 05:58:06,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 05:58:06,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [20] total 29 [2024-12-02 05:58:06,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668552675] [2024-12-02 05:58:06,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:58:06,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 05:58:06,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:58:06,951 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 05:58:06,951 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=641, Unknown=2, NotChecked=54, Total=870 [2024-12-02 05:58:06,951 INFO L87 Difference]: Start difference. First operand 130 states and 138 transitions. Second operand has 12 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 12 states have internal predecessors, (52), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-02 05:58:09,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:58:09,099 INFO L93 Difference]: Finished difference Result 130 states and 138 transitions. [2024-12-02 05:58:09,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 05:58:09,099 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 12 states have internal predecessors, (52), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 102 [2024-12-02 05:58:09,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:58:09,100 INFO L225 Difference]: With dead ends: 130 [2024-12-02 05:58:09,101 INFO L226 Difference]: Without dead ends: 120 [2024-12-02 05:58:09,101 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 34.6s TimeCoverageRelationStatistics Valid=193, Invalid=739, Unknown=2, NotChecked=58, Total=992 [2024-12-02 05:58:09,103 INFO L435 NwaCegarLoop]: 32 mSDtfsCounter, 70 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-12-02 05:58:09,103 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 165 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-12-02 05:58:09,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-12-02 05:58:09,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2024-12-02 05:58:09,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 106 states have (on average 1.0377358490566038) internal successors, (110), 109 states have internal predecessors, (110), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-12-02 05:58:09,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 126 transitions. [2024-12-02 05:58:09,118 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 126 transitions. Word has length 102 [2024-12-02 05:58:09,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:58:09,119 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 126 transitions. [2024-12-02 05:58:09,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 12 states have internal predecessors, (52), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-12-02 05:58:09,119 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 126 transitions. [2024-12-02 05:58:09,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-12-02 05:58:09,120 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:58:09,121 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:58:09,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-12-02 05:58:09,321 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-12-02 05:58:09,321 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-12-02 05:58:09,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:58:09,322 INFO L85 PathProgramCache]: Analyzing trace with hash -1444385012, now seen corresponding path program 1 times [2024-12-02 05:58:09,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:58:09,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26594242] [2024-12-02 05:58:09,322 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:58:09,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:58:09,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 05:58:09,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1564869643] [2024-12-02 05:58:09,342 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:58:09,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:58:09,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:58:09,343 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:58:09,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-12-02 05:58:09,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:58:09,399 INFO L256 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-02 05:58:09,401 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:58:11,679 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-02 05:58:11,680 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 05:58:12,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:58:12,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26594242] [2024-12-02 05:58:12,212 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-02 05:58:12,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1564869643] [2024-12-02 05:58:12,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1564869643] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:58:12,212 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-12-02 05:58:12,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-12-02 05:58:12,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347523151] [2024-12-02 05:58:12,213 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-12-02 05:58:12,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 05:58:12,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:58:12,214 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 05:58:12,214 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-12-02 05:58:12,214 INFO L87 Difference]: Start difference. First operand 120 states and 126 transitions. Second operand has 9 states, 8 states have (on average 11.5) internal successors, (92), 9 states have internal predecessors, (92), 6 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 5 states have call predecessors, (7), 6 states have call successors, (7) [2024-12-02 05:58:13,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:58:13,020 INFO L93 Difference]: Finished difference Result 123 states and 129 transitions. [2024-12-02 05:58:13,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 05:58:13,021 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.5) internal successors, (92), 9 states have internal predecessors, (92), 6 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 5 states have call predecessors, (7), 6 states have call successors, (7) Word has length 118 [2024-12-02 05:58:13,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:58:13,022 INFO L225 Difference]: With dead ends: 123 [2024-12-02 05:58:13,022 INFO L226 Difference]: Without dead ends: 122 [2024-12-02 05:58:13,022 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-12-02 05:58:13,022 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 21 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 05:58:13,022 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 114 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 05:58:13,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-12-02 05:58:13,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2024-12-02 05:58:13,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 108 states have (on average 1.037037037037037) internal successors, (112), 111 states have internal predecessors, (112), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-12-02 05:58:13,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 128 transitions. [2024-12-02 05:58:13,046 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 128 transitions. Word has length 118 [2024-12-02 05:58:13,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:58:13,046 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 128 transitions. [2024-12-02 05:58:13,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.5) internal successors, (92), 9 states have internal predecessors, (92), 6 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 5 states have call predecessors, (7), 6 states have call successors, (7) [2024-12-02 05:58:13,047 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 128 transitions. [2024-12-02 05:58:13,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-12-02 05:58:13,048 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:58:13,048 INFO L218 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:58:13,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-12-02 05:58:13,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:58:13,248 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-12-02 05:58:13,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:58:13,249 INFO L85 PathProgramCache]: Analyzing trace with hash -779558258, now seen corresponding path program 4 times [2024-12-02 05:58:13,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:58:13,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553969804] [2024-12-02 05:58:13,249 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-02 05:58:13,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:58:13,268 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-02 05:58:13,268 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2024-12-02 05:58:13,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [727466198] [2024-12-02 05:58:13,269 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-02 05:58:13,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:58:13,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:58:13,271 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:58:13,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-12-02 05:58:13,630 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-02 05:58:13,630 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 05:58:13,631 INFO L256 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-12-02 05:58:13,633 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:58:21,985 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 6 proven. 137 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-12-02 05:58:21,985 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 05:58:22,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:58:22,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553969804] [2024-12-02 05:58:22,669 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-02 05:58:22,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [727466198] [2024-12-02 05:58:22,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [727466198] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:58:22,669 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-12-02 05:58:22,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2024-12-02 05:58:22,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779337019] [2024-12-02 05:58:22,669 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-12-02 05:58:22,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-12-02 05:58:22,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:58:22,670 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-12-02 05:58:22,670 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=361, Unknown=1, NotChecked=0, Total=462 [2024-12-02 05:58:22,670 INFO L87 Difference]: Start difference. First operand 122 states and 128 transitions. Second operand has 19 states, 18 states have (on average 5.388888888888889) internal successors, (97), 19 states have internal predecessors, (97), 7 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2024-12-02 05:58:25,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:58:30,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 05:58:30,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:58:30,202 INFO L93 Difference]: Finished difference Result 145 states and 152 transitions. [2024-12-02 05:58:30,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 05:58:30,202 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 5.388888888888889) internal successors, (97), 19 states have internal predecessors, (97), 7 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) Word has length 120 [2024-12-02 05:58:30,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:58:30,204 INFO L225 Difference]: With dead ends: 145 [2024-12-02 05:58:30,204 INFO L226 Difference]: Without dead ends: 143 [2024-12-02 05:58:30,204 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=121, Invalid=478, Unknown=1, NotChecked=0, Total=600 [2024-12-02 05:58:30,204 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 113 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 1145 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 1156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1145 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2024-12-02 05:58:30,205 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 350 Invalid, 1156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1145 Invalid, 1 Unknown, 0 Unchecked, 7.2s Time] [2024-12-02 05:58:30,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2024-12-02 05:58:30,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 140. [2024-12-02 05:58:30,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 125 states have (on average 1.04) internal successors, (130), 128 states have internal predecessors, (130), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-12-02 05:58:30,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 148 transitions. [2024-12-02 05:58:30,222 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 148 transitions. Word has length 120 [2024-12-02 05:58:30,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:58:30,223 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 148 transitions. [2024-12-02 05:58:30,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 5.388888888888889) internal successors, (97), 19 states have internal predecessors, (97), 7 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2024-12-02 05:58:30,223 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 148 transitions. [2024-12-02 05:58:30,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-12-02 05:58:30,223 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:58:30,224 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:58:30,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-12-02 05:58:30,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:58:30,424 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-12-02 05:58:30,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:58:30,425 INFO L85 PathProgramCache]: Analyzing trace with hash -596510560, now seen corresponding path program 2 times [2024-12-02 05:58:30,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:58:30,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924958238] [2024-12-02 05:58:30,425 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 05:58:30,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:58:30,437 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 05:58:30,437 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 05:58:30,564 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 05:58:30,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:58:30,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924958238] [2024-12-02 05:58:30,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924958238] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:58:30,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1698587544] [2024-12-02 05:58:30,565 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 05:58:30,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:58:30,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:58:30,567 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:58:30,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-12-02 05:58:30,634 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 05:58:30,634 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 05:58:30,635 INFO L256 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 05:58:30,637 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:58:31,079 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 05:58:31,079 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 05:58:31,592 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 05:58:31,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1698587544] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 05:58:31,592 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 05:58:31,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-12-02 05:58:31,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630389656] [2024-12-02 05:58:31,593 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 05:58:31,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 05:58:31,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:58:31,594 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 05:58:31,594 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 05:58:31,594 INFO L87 Difference]: Start difference. First operand 140 states and 148 transitions. Second operand has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-12-02 05:58:31,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:58:31,671 INFO L93 Difference]: Finished difference Result 140 states and 148 transitions. [2024-12-02 05:58:31,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 05:58:31,671 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 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 136 [2024-12-02 05:58:31,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:58:31,673 INFO L225 Difference]: With dead ends: 140 [2024-12-02 05:58:31,673 INFO L226 Difference]: Without dead ends: 139 [2024-12-02 05:58:31,673 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 269 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-12-02 05:58:31,673 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 46 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 05:58:31,674 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 103 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 05:58:31,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2024-12-02 05:58:31,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2024-12-02 05:58:31,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 125 states have (on average 1.024) internal successors, (128), 127 states have internal predecessors, (128), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-12-02 05:58:31,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 146 transitions. [2024-12-02 05:58:31,701 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 146 transitions. Word has length 136 [2024-12-02 05:58:31,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:58:31,702 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 146 transitions. [2024-12-02 05:58:31,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-12-02 05:58:31,702 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 146 transitions. [2024-12-02 05:58:31,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-12-02 05:58:31,703 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:58:31,703 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:58:31,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-12-02 05:58:31,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-12-02 05:58:31,904 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-12-02 05:58:31,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:58:31,904 INFO L85 PathProgramCache]: Analyzing trace with hash -1380808858, now seen corresponding path program 2 times [2024-12-02 05:58:31,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:58:31,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256587954] [2024-12-02 05:58:31,904 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 05:58:31,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:58:31,919 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 05:58:31,919 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 05:58:32,316 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 152 proven. 54 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-12-02 05:58:32,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:58:32,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256587954] [2024-12-02 05:58:32,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256587954] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:58:32,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [223252394] [2024-12-02 05:58:32,317 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 05:58:32,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:58:32,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:58:32,319 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:58:32,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-12-02 05:58:32,395 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 05:58:32,395 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 05:58:32,396 INFO L256 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-02 05:58:32,398 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:58:34,026 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 206 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-12-02 05:58:34,027 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:58:34,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [223252394] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:58:34,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 05:58:34,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [10] total 16 [2024-12-02 05:58:34,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448007985] [2024-12-02 05:58:34,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:58:34,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 05:58:34,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:58:34,028 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 05:58:34,028 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=173, Unknown=0, NotChecked=0, Total=240 [2024-12-02 05:58:34,028 INFO L87 Difference]: Start difference. First operand 139 states and 146 transitions. Second operand has 10 states, 10 states have (on average 11.1) internal successors, (111), 9 states have internal predecessors, (111), 6 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 6 states have call successors, (8) [2024-12-02 05:58:34,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:58:34,254 INFO L93 Difference]: Finished difference Result 143 states and 149 transitions. [2024-12-02 05:58:34,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 05:58:34,255 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.1) internal successors, (111), 9 states have internal predecessors, (111), 6 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 6 states have call successors, (8) Word has length 142 [2024-12-02 05:58:34,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:58:34,256 INFO L225 Difference]: With dead ends: 143 [2024-12-02 05:58:34,256 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 05:58:34,256 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=67, Invalid=173, Unknown=0, NotChecked=0, Total=240 [2024-12-02 05:58:34,257 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 0 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 05:58:34,257 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 419 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 05:58:34,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 05:58:34,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 05:58:34,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 05:58:34,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 05:58:34,258 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 142 [2024-12-02 05:58:34,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:58:34,258 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 05:58:34,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.1) internal successors, (111), 9 states have internal predecessors, (111), 6 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 6 states have call successors, (8) [2024-12-02 05:58:34,258 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 05:58:34,258 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 05:58:34,260 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 30 remaining) [2024-12-02 05:58:34,261 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 30 remaining) [2024-12-02 05:58:34,261 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 30 remaining) [2024-12-02 05:58:34,261 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 30 remaining) [2024-12-02 05:58:34,261 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 30 remaining) [2024-12-02 05:58:34,261 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 30 remaining) [2024-12-02 05:58:34,261 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 30 remaining) [2024-12-02 05:58:34,261 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 30 remaining) [2024-12-02 05:58:34,261 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 30 remaining) [2024-12-02 05:58:34,261 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 30 remaining) [2024-12-02 05:58:34,261 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 30 remaining) [2024-12-02 05:58:34,261 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 30 remaining) [2024-12-02 05:58:34,261 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 30 remaining) [2024-12-02 05:58:34,261 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 30 remaining) [2024-12-02 05:58:34,261 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 30 remaining) [2024-12-02 05:58:34,262 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 30 remaining) [2024-12-02 05:58:34,262 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 30 remaining) [2024-12-02 05:58:34,262 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 30 remaining) [2024-12-02 05:58:34,262 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 30 remaining) [2024-12-02 05:58:34,262 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 30 remaining) [2024-12-02 05:58:34,262 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 30 remaining) [2024-12-02 05:58:34,262 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 30 remaining) [2024-12-02 05:58:34,262 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 30 remaining) [2024-12-02 05:58:34,262 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 30 remaining) [2024-12-02 05:58:34,262 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 30 remaining) [2024-12-02 05:58:34,262 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 30 remaining) [2024-12-02 05:58:34,262 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 30 remaining) [2024-12-02 05:58:34,262 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 30 remaining) [2024-12-02 05:58:34,262 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 30 remaining) [2024-12-02 05:58:34,262 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 30 remaining) [2024-12-02 05:58:34,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-12-02 05:58:34,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:58:34,465 INFO L422 BasicCegarLoop]: Path program histogram: [4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:58:34,467 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 06:00:26,291 WARN L286 SmtUtils]: Spent 1.86m on a formula simplification. DAG size of input: 357 DAG size of output: 193 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 06:02:11,110 WARN L286 SmtUtils]: Spent 1.75m on a formula simplification. DAG size of input: 355 DAG size of output: 229 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 06:02:11,168 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 06:02:11,188 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-12-02 06:02:11,189 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-12-02 06:02:11,189 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-12-02 06:02:11,190 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-12-02 06:02:11,190 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-12-02 06:02:11,190 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-12-02 06:02:11,191 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-12-02 06:02:11,191 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-12-02 06:02:11,191 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-12-02 06:02:11,191 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-12-02 06:02:11,191 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-12-02 06:02:11,191 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-12-02 06:02:11,194 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:02:11 BoogieIcfgContainer [2024-12-02 06:02:11,194 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 06:02:11,195 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 06:02:11,195 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 06:02:11,195 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 06:02:11,196 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:50:02" (3/4) ... [2024-12-02 06:02:11,198 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 06:02:11,202 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-12-02 06:02:11,202 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-12-02 06:02:11,206 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-12-02 06:02:11,206 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-02 06:02:11,206 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-02 06:02:11,206 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 06:02:11,288 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 06:02:11,288 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 06:02:11,288 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 06:02:11,289 INFO L158 Benchmark]: Toolchain (without parser) took 730041.71ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 89.1MB in the end (delta: 3.7MB). Peak memory consumption was 65.2MB. Max. memory is 16.1GB. [2024-12-02 06:02:11,289 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 72.7MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:02:11,289 INFO L158 Benchmark]: CACSL2BoogieTranslator took 237.87ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 81.8MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 06:02:11,289 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.55ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 80.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:02:11,290 INFO L158 Benchmark]: Boogie Preprocessor took 43.11ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 79.1MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 06:02:11,290 INFO L158 Benchmark]: RCFGBuilder took 530.42ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 63.5MB in the end (delta: 15.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 06:02:11,290 INFO L158 Benchmark]: TraceAbstraction took 729096.22ms. Allocated memory is still 117.4MB. Free memory was 62.9MB in the beginning and 37.2MB in the end (delta: 25.7MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. [2024-12-02 06:02:11,290 INFO L158 Benchmark]: Witness Printer took 92.92ms. Allocated memory is still 117.4MB. Free memory was 36.0MB in the beginning and 89.1MB in the end (delta: -53.0MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2024-12-02 06:02:11,291 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 72.7MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 237.87ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 81.8MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.55ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 80.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.11ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 79.1MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 530.42ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 63.5MB in the end (delta: 15.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 729096.22ms. Allocated memory is still 117.4MB. Free memory was 62.9MB in the beginning and 37.2MB in the end (delta: 25.7MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. * Witness Printer took 92.92ms. Allocated memory is still 117.4MB. Free memory was 36.0MB in the beginning and 89.1MB in the end (delta: -53.0MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression * 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: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: 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: 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: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: 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: 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: 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: 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: 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: 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 85 locations, 30 error locations. Started 1 CEGAR loops. OverallTime: 512.3s, OverallIterations: 26, TraceHistogramMax: 5, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 382.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 55 mSolverCounterUnknown, 1937 SdHoareTripleChecker+Valid, 286.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1914 mSDsluCounter, 3774 SdHoareTripleChecker+Invalid, 283.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2813 mSDsCounter, 142 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6075 IncrementalHoareTripleChecker+Invalid, 6272 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 142 mSolverCounterUnsat, 961 mSDtfsCounter, 6075 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2295 GetRequests, 1991 SyntacticMatches, 1 SemanticMatches, 303 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 825 ImplicationChecksByTransitivity, 180.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=140occurred in iteration=24, InterpolantAutomatonStates: 221, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 26 MinimizatonAttempts, 114 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 2.8s SatisfiabilityAnalysisTime, 120.2s InterpolantComputationTime, 3181 NumberOfCodeBlocks, 3127 NumberOfCodeBlocksAsserted, 71 NumberOfCheckSat, 2446 ConstructedInterpolants, 219 QuantifiedInterpolants, 23648 SizeOfPredicates, 45 NumberOfNonLiveVariables, 2908 ConjunctsInSsa, 406 ConjunctsInUnsatCore, 37 InterpolantComputations, 10 PerfectInterpolantSequences, 1695/2356 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 30 specifications checked. All of them hold - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: ((((((((((((((0 <= k) && (y == z)) && ((((long long) a * z) + a) == x)) && (a <= 5)) && (z <= 5)) && (k <= 5)) && (0 <= a)) && (2 == c)) && (az == ((long long) a * z))) && (0 <= z)) || (((((((((((0 <= k) && (c <= 9223372036854775806)) && (((__int128) ((long long) a * z) + x) <= (((__int128) x * z) + a))) && (a <= 5)) && (z <= 5)) && (k <= 5)) && (5 <= c)) && (0 <= a)) && (a <= x)) && (((__int128) az * y) < 9223372036854775808U)) && (0 <= z))) || (((((((((0 <= k) && (c <= 9223372036854775806)) && (x == (((((__int128) ((long long) a * z) * z) + ((long long) a * z)) + a) + (((__int128) ((long long) a * z) * z) * z)))) && (z <= 5)) && (k <= 5)) && (0 <= a)) && (4 <= c)) && (az == ((long long) a * z))) && (0 <= z))) || (((((((((0 <= k) && (y == ((long long) z * z))) && (k <= 5)) && (c <= 9223372036854775805)) && (3 <= c)) && (((((__int128) ((long long) a * z) * z) + ((long long) a * z)) + a) == x)) && (0 <= a)) && (az == ((long long) a * z))) && (0 <= z))) || (((((((((0 <= k) && (c == 1)) && (a <= 5)) && (z <= 5)) && (k <= 5)) && (y == 1)) && (a == x)) && (az == ((long long) a * z))) && (0 <= z))) RESULT: Ultimate proved your program to be correct! [2024-12-02 06:02:11,502 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2024-12-02 06:02:11,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41ce22d1-9d15-43fd-94e7-8778959a3452/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE