./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0b9c7d-49db-44a4-b739-93e07b0b8092/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0b9c7d-49db-44a4-b739-93e07b0b8092/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0b9c7d-49db-44a4-b739-93e07b0b8092/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0b9c7d-49db-44a4-b739-93e07b0b8092/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0b9c7d-49db-44a4-b739-93e07b0b8092/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0b9c7d-49db-44a4-b739-93e07b0b8092/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b5097186312a07da16ab8fdeadf6c0d6b4634620407ae37986153d9e0823e6f5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:13:20,765 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:13:20,862 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0b9c7d-49db-44a4-b739-93e07b0b8092/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-28 02:13:20,868 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:13:20,869 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:13:20,902 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:13:20,904 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:13:20,904 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:13:20,904 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:13:20,905 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:13:20,905 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:13:20,905 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:13:20,906 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:13:20,906 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:13:20,906 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:13:20,906 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:13:20,908 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:13:20,908 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:13:20,908 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:13:20,908 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:13:20,908 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:13:20,908 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:13:20,908 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:13:20,908 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:13:20,909 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-28 02:13:20,909 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 02:13:20,909 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:13:20,909 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:13:20,909 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:13:20,909 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:13:20,909 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:13:20,909 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:13:20,909 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:13:20,909 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:13:20,910 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:13:20,910 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:13:20,910 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:13:20,910 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:13:20,910 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:13:20,910 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:13:20,910 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:13:20,910 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:13:20,910 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:13:20,910 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:13:20,910 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:13:20,911 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:13:20,911 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:13:20,911 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:13:20,911 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:13:20,911 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:13:20,911 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_1c0b9c7d-49db-44a4-b739-93e07b0b8092/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b5097186312a07da16ab8fdeadf6c0d6b4634620407ae37986153d9e0823e6f5 [2024-11-28 02:13:21,191 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:13:21,199 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:13:21,201 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:13:21,202 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:13:21,203 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:13:21,204 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0b9c7d-49db-44a4-b739-93e07b0b8092/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i [2024-11-28 02:13:24,174 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0b9c7d-49db-44a4-b739-93e07b0b8092/bin/uautomizer-verify-aQ6SnzHsRB/data/81f822984/4e0413c2d69145e98ef3fca219345d70/FLAG69340454e [2024-11-28 02:13:24,466 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:13:24,467 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0b9c7d-49db-44a4-b739-93e07b0b8092/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i [2024-11-28 02:13:24,475 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0b9c7d-49db-44a4-b739-93e07b0b8092/bin/uautomizer-verify-aQ6SnzHsRB/data/81f822984/4e0413c2d69145e98ef3fca219345d70/FLAG69340454e [2024-11-28 02:13:24,490 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0b9c7d-49db-44a4-b739-93e07b0b8092/bin/uautomizer-verify-aQ6SnzHsRB/data/81f822984/4e0413c2d69145e98ef3fca219345d70 [2024-11-28 02:13:24,493 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:13:24,495 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:13:24,496 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:13:24,496 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:13:24,501 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:13:24,502 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:13:24" (1/1) ... [2024-11-28 02:13:24,503 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e9a595 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:13:24, skipping insertion in model container [2024-11-28 02:13:24,503 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:13:24" (1/1) ... [2024-11-28 02:13:24,520 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:13:24,747 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:13:24,765 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:13:24,799 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:13:24,823 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:13:24,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:13:24 WrapperNode [2024-11-28 02:13:24,824 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:13:24,825 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:13:24,825 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:13:24,826 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:13:24,837 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:13:24" (1/1) ... [2024-11-28 02:13:24,849 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:13:24" (1/1) ... [2024-11-28 02:13:24,881 INFO L138 Inliner]: procedures = 16, calls = 25, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 158 [2024-11-28 02:13:24,885 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:13:24,886 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:13:24,886 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:13:24,886 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:13:24,902 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:13:24" (1/1) ... [2024-11-28 02:13:24,902 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:13:24" (1/1) ... [2024-11-28 02:13:24,904 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:13:24" (1/1) ... [2024-11-28 02:13:24,926 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 02:13:24,926 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:13:24" (1/1) ... [2024-11-28 02:13:24,926 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:13:24" (1/1) ... [2024-11-28 02:13:24,934 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:13:24" (1/1) ... [2024-11-28 02:13:24,935 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:13:24" (1/1) ... [2024-11-28 02:13:24,942 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:13:24" (1/1) ... [2024-11-28 02:13:24,943 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:13:24" (1/1) ... [2024-11-28 02:13:24,944 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:13:24" (1/1) ... [2024-11-28 02:13:24,946 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:13:24,950 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:13:24,951 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:13:24,951 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:13:24,952 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:13:24" (1/1) ... [2024-11-28 02:13:24,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:13:24,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0b9c7d-49db-44a4-b739-93e07b0b8092/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:13:24,991 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0b9c7d-49db-44a4-b739-93e07b0b8092/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:13:24,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0b9c7d-49db-44a4-b739-93e07b0b8092/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:13:25,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:13:25,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 02:13:25,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:13:25,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:13:25,029 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-28 02:13:25,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-28 02:13:25,090 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:13:25,092 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:13:25,513 INFO L? ?]: Removed 48 outVars from TransFormulas that were not future-live. [2024-11-28 02:13:25,513 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:13:25,544 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:13:25,545 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 02:13:25,545 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:13:25 BoogieIcfgContainer [2024-11-28 02:13:25,546 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:13:25,549 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:13:25,549 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:13:25,555 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:13:25,556 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:13:24" (1/3) ... [2024-11-28 02:13:25,558 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30250bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:13:25, skipping insertion in model container [2024-11-28 02:13:25,559 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:13:24" (2/3) ... [2024-11-28 02:13:25,560 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30250bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:13:25, skipping insertion in model container [2024-11-28 02:13:25,560 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:13:25" (3/3) ... [2024-11-28 02:13:25,563 INFO L128 eAbstractionObserver]: Analyzing ICFG apache-escape-absolute.i [2024-11-28 02:13:25,589 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:13:25,591 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG apache-escape-absolute.i that has 2 procedures, 112 locations, 1 initial locations, 2 loop locations, and 30 error locations. [2024-11-28 02:13:25,687 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:13:25,700 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;@55cd93cb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:13:25,700 INFO L334 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2024-11-28 02:13:25,705 INFO L276 IsEmpty]: Start isEmpty. Operand has 112 states, 62 states have (on average 1.8225806451612903) internal successors, (113), 95 states have internal predecessors, (113), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-28 02:13:25,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-28 02:13:25,711 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:13:25,711 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:13:25,712 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)] === [2024-11-28 02:13:25,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:13:25,718 INFO L85 PathProgramCache]: Analyzing trace with hash -2087058924, now seen corresponding path program 1 times [2024-11-28 02:13:25,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:13:25,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593574157] [2024-11-28 02:13:25,728 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:13:25,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:13:25,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:13:25,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:13:25,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:13:25,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593574157] [2024-11-28 02:13:25,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593574157] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:13:25,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:13:25,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:13:25,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175989425] [2024-11-28 02:13:25,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:13:25,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:13:25,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:13:25,995 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:13:25,996 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:13:25,999 INFO L87 Difference]: Start difference. First operand has 112 states, 62 states have (on average 1.8225806451612903) internal successors, (113), 95 states have internal predecessors, (113), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:13:26,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:13:26,172 INFO L93 Difference]: Finished difference Result 201 states and 288 transitions. [2024-11-28 02:13:26,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:13:26,175 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-28 02:13:26,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:13:26,181 INFO L225 Difference]: With dead ends: 201 [2024-11-28 02:13:26,181 INFO L226 Difference]: Without dead ends: 100 [2024-11-28 02:13:26,186 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:13:26,190 INFO L435 NwaCegarLoop]: 118 mSDtfsCounter, 77 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:13:26,190 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 144 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:13:26,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-11-28 02:13:26,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2024-11-28 02:13:26,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 56 states have (on average 1.5357142857142858) internal successors, (86), 83 states have internal predecessors, (86), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-28 02:13:26,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 122 transitions. [2024-11-28 02:13:26,308 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 122 transitions. Word has length 11 [2024-11-28 02:13:26,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:13:26,310 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 122 transitions. [2024-11-28 02:13:26,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:13:26,310 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 122 transitions. [2024-11-28 02:13:26,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-28 02:13:26,311 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:13:26,311 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:13:26,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 02:13:26,313 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)] === [2024-11-28 02:13:26,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:13:26,315 INFO L85 PathProgramCache]: Analyzing trace with hash -274318795, now seen corresponding path program 1 times [2024-11-28 02:13:26,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:13:26,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538754009] [2024-11-28 02:13:26,315 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:13:26,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:13:26,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:13:26,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:13:26,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:13:26,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538754009] [2024-11-28 02:13:26,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538754009] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:13:26,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:13:26,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:13:26,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210492749] [2024-11-28 02:13:26,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:13:26,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:13:26,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:13:26,364 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:13:26,364 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:13:26,364 INFO L87 Difference]: Start difference. First operand 100 states and 122 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:13:26,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:13:26,430 INFO L93 Difference]: Finished difference Result 187 states and 230 transitions. [2024-11-28 02:13:26,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:13:26,431 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-28 02:13:26,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:13:26,432 INFO L225 Difference]: With dead ends: 187 [2024-11-28 02:13:26,433 INFO L226 Difference]: Without dead ends: 100 [2024-11-28 02:13:26,433 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:13:26,434 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 0 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:13:26,435 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 238 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:13:26,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-11-28 02:13:26,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2024-11-28 02:13:26,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 56 states have (on average 1.5178571428571428) internal successors, (85), 83 states have internal predecessors, (85), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-28 02:13:26,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 121 transitions. [2024-11-28 02:13:26,453 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 121 transitions. Word has length 12 [2024-11-28 02:13:26,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:13:26,454 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 121 transitions. [2024-11-28 02:13:26,454 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:13:26,454 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 121 transitions. [2024-11-28 02:13:26,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-28 02:13:26,455 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:13:26,455 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:13:26,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:13:26,456 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-28 02:13:26,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:13:26,457 INFO L85 PathProgramCache]: Analyzing trace with hash -274317129, now seen corresponding path program 1 times [2024-11-28 02:13:26,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:13:26,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604222223] [2024-11-28 02:13:26,457 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:13:26,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:13:26,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:13:26,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:13:26,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:13:26,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604222223] [2024-11-28 02:13:26,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604222223] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:13:26,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:13:26,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:13:26,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630567570] [2024-11-28 02:13:26,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:13:26,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:13:26,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:13:26,559 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:13:26,559 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:13:26,559 INFO L87 Difference]: Start difference. First operand 100 states and 121 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:13:26,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:13:26,628 INFO L93 Difference]: Finished difference Result 100 states and 121 transitions. [2024-11-28 02:13:26,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:13:26,631 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-28 02:13:26,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:13:26,632 INFO L225 Difference]: With dead ends: 100 [2024-11-28 02:13:26,632 INFO L226 Difference]: Without dead ends: 95 [2024-11-28 02:13:26,633 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:13:26,634 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 66 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:13:26,634 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 122 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:13:26,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-28 02:13:26,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2024-11-28 02:13:26,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 56 states have (on average 1.4285714285714286) internal successors, (80), 78 states have internal predecessors, (80), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-28 02:13:26,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 116 transitions. [2024-11-28 02:13:26,667 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 116 transitions. Word has length 12 [2024-11-28 02:13:26,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:13:26,668 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 116 transitions. [2024-11-28 02:13:26,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:13:26,668 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 116 transitions. [2024-11-28 02:13:26,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-28 02:13:26,669 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:13:26,669 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:13:26,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 02:13:26,670 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-28 02:13:26,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:13:26,670 INFO L85 PathProgramCache]: Analyzing trace with hash -1625753319, now seen corresponding path program 1 times [2024-11-28 02:13:26,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:13:26,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621966099] [2024-11-28 02:13:26,671 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:13:26,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:13:26,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:13:26,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:13:26,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:13:26,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621966099] [2024-11-28 02:13:26,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621966099] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:13:26,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:13:26,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:13:26,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343146417] [2024-11-28 02:13:26,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:13:26,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:13:26,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:13:26,747 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:13:26,747 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:13:26,747 INFO L87 Difference]: Start difference. First operand 95 states and 116 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:13:26,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:13:26,904 INFO L93 Difference]: Finished difference Result 95 states and 116 transitions. [2024-11-28 02:13:26,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:13:26,904 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-11-28 02:13:26,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:13:26,906 INFO L225 Difference]: With dead ends: 95 [2024-11-28 02:13:26,906 INFO L226 Difference]: Without dead ends: 87 [2024-11-28 02:13:26,906 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:13:26,907 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 45 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:13:26,907 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 177 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:13:26,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-11-28 02:13:26,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2024-11-28 02:13:26,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 56 states have (on average 1.2857142857142858) internal successors, (72), 70 states have internal predecessors, (72), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-28 02:13:26,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 108 transitions. [2024-11-28 02:13:26,922 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 108 transitions. Word has length 14 [2024-11-28 02:13:26,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:13:26,922 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 108 transitions. [2024-11-28 02:13:26,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:13:26,922 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 108 transitions. [2024-11-28 02:13:26,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-28 02:13:26,923 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:13:26,923 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:13:26,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 02:13:26,923 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-28 02:13:26,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:13:26,924 INFO L85 PathProgramCache]: Analyzing trace with hash 1141254748, now seen corresponding path program 1 times [2024-11-28 02:13:26,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:13:26,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589604936] [2024-11-28 02:13:26,924 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:13:26,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:13:26,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:13:26,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:13:26,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:13:26,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589604936] [2024-11-28 02:13:26,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589604936] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:13:26,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:13:26,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:13:26,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502594700] [2024-11-28 02:13:26,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:13:26,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:13:26,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:13:26,992 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:13:26,992 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:13:26,992 INFO L87 Difference]: Start difference. First operand 87 states and 108 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:13:27,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:13:27,140 INFO L93 Difference]: Finished difference Result 119 states and 148 transitions. [2024-11-28 02:13:27,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:13:27,141 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-28 02:13:27,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:13:27,142 INFO L225 Difference]: With dead ends: 119 [2024-11-28 02:13:27,146 INFO L226 Difference]: Without dead ends: 112 [2024-11-28 02:13:27,146 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:13:27,147 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 26 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:13:27,148 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 230 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:13:27,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-11-28 02:13:27,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2024-11-28 02:13:27,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 77 states have (on average 1.2077922077922079) internal successors, (93), 88 states have internal predecessors, (93), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-28 02:13:27,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 141 transitions. [2024-11-28 02:13:27,166 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 141 transitions. Word has length 15 [2024-11-28 02:13:27,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:13:27,167 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 141 transitions. [2024-11-28 02:13:27,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:13:27,167 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 141 transitions. [2024-11-28 02:13:27,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-28 02:13:27,170 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:13:27,170 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:13:27,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 02:13:27,171 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)] === [2024-11-28 02:13:27,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:13:27,172 INFO L85 PathProgramCache]: Analyzing trace with hash 1157538981, now seen corresponding path program 1 times [2024-11-28 02:13:27,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:13:27,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033536375] [2024-11-28 02:13:27,172 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:13:27,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:13:27,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:13:27,629 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-28 02:13:27,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:13:27,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033536375] [2024-11-28 02:13:27,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033536375] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:13:27,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1641908351] [2024-11-28 02:13:27,631 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:13:27,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:13:27,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0b9c7d-49db-44a4-b739-93e07b0b8092/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:13:27,637 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0b9c7d-49db-44a4-b739-93e07b0b8092/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:13:27,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0b9c7d-49db-44a4-b739-93e07b0b8092/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 02:13:27,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:13:27,742 INFO L256 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 02:13:27,749 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:13:27,965 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-28 02:13:27,965 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:13:28,200 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-28 02:13:28,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1641908351] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:13:28,202 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:13:28,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 10 [2024-11-28 02:13:28,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213852983] [2024-11-28 02:13:28,207 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:13:28,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 02:13:28,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:13:28,209 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 02:13:28,209 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-28 02:13:28,210 INFO L87 Difference]: Start difference. First operand 112 states and 141 transitions. Second operand has 11 states, 10 states have (on average 9.0) internal successors, (90), 11 states have internal predecessors, (90), 5 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 5 states have call predecessors, (22), 5 states have call successors, (22) [2024-11-28 02:13:29,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:13:29,162 INFO L93 Difference]: Finished difference Result 330 states and 455 transitions. [2024-11-28 02:13:29,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 02:13:29,162 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 9.0) internal successors, (90), 11 states have internal predecessors, (90), 5 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 5 states have call predecessors, (22), 5 states have call successors, (22) Word has length 73 [2024-11-28 02:13:29,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:13:29,174 INFO L225 Difference]: With dead ends: 330 [2024-11-28 02:13:29,174 INFO L226 Difference]: Without dead ends: 324 [2024-11-28 02:13:29,178 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2024-11-28 02:13:29,179 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 442 mSDsluCounter, 401 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 180 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 454 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 180 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 02:13:29,180 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [454 Valid, 470 Invalid, 500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [180 Valid, 320 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 02:13:29,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2024-11-28 02:13:29,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 290. [2024-11-28 02:13:29,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 204 states have (on average 1.2205882352941178) internal successors, (249), 219 states have internal predecessors, (249), 78 states have call successors, (78), 1 states have call predecessors, (78), 1 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-28 02:13:29,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 405 transitions. [2024-11-28 02:13:29,248 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 405 transitions. Word has length 73 [2024-11-28 02:13:29,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:13:29,249 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 405 transitions. [2024-11-28 02:13:29,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 9.0) internal successors, (90), 11 states have internal predecessors, (90), 5 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 5 states have call predecessors, (22), 5 states have call successors, (22) [2024-11-28 02:13:29,249 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 405 transitions. [2024-11-28 02:13:29,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-28 02:13:29,252 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:13:29,252 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:13:29,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0b9c7d-49db-44a4-b739-93e07b0b8092/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 02:13:29,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0b9c7d-49db-44a4-b739-93e07b0b8092/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-28 02:13:29,453 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-28 02:13:29,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:13:29,453 INFO L85 PathProgramCache]: Analyzing trace with hash 1055351121, now seen corresponding path program 1 times [2024-11-28 02:13:29,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:13:29,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003737244] [2024-11-28 02:13:29,454 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:13:29,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:13:29,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:13:29,571 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-28 02:13:29,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:13:29,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003737244] [2024-11-28 02:13:29,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003737244] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:13:29,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:13:29,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:13:29,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511048036] [2024-11-28 02:13:29,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:13:29,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:13:29,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:13:29,573 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:13:29,573 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:13:29,573 INFO L87 Difference]: Start difference. First operand 290 states and 405 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-28 02:13:29,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:13:29,682 INFO L93 Difference]: Finished difference Result 410 states and 586 transitions. [2024-11-28 02:13:29,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:13:29,683 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 91 [2024-11-28 02:13:29,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:13:29,689 INFO L225 Difference]: With dead ends: 410 [2024-11-28 02:13:29,689 INFO L226 Difference]: Without dead ends: 290 [2024-11-28 02:13:29,690 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:13:29,691 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 0 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:13:29,691 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 170 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:13:29,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2024-11-28 02:13:29,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 290. [2024-11-28 02:13:29,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 204 states have (on average 1.1911764705882353) internal successors, (243), 219 states have internal predecessors, (243), 78 states have call successors, (78), 1 states have call predecessors, (78), 1 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-28 02:13:29,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 399 transitions. [2024-11-28 02:13:29,759 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 399 transitions. Word has length 91 [2024-11-28 02:13:29,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:13:29,762 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 399 transitions. [2024-11-28 02:13:29,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-28 02:13:29,763 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 399 transitions. [2024-11-28 02:13:29,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-28 02:13:29,770 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:13:29,770 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:13:29,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 02:13:29,771 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-28 02:13:29,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:13:29,772 INFO L85 PathProgramCache]: Analyzing trace with hash -574103920, now seen corresponding path program 1 times [2024-11-28 02:13:29,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:13:29,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380974584] [2024-11-28 02:13:29,772 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:13:29,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:13:29,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:13:29,938 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-28 02:13:29,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:13:29,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380974584] [2024-11-28 02:13:29,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380974584] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:13:29,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:13:29,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:13:29,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24328562] [2024-11-28 02:13:29,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:13:29,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:13:29,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:13:29,940 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:13:29,940 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:13:29,941 INFO L87 Difference]: Start difference. First operand 290 states and 399 transitions. Second operand has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-28 02:13:29,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:13:29,998 INFO L93 Difference]: Finished difference Result 290 states and 399 transitions. [2024-11-28 02:13:29,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:13:29,999 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 93 [2024-11-28 02:13:30,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:13:30,004 INFO L225 Difference]: With dead ends: 290 [2024-11-28 02:13:30,004 INFO L226 Difference]: Without dead ends: 289 [2024-11-28 02:13:30,005 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:13:30,005 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 19 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:13:30,006 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 120 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:13:30,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2024-11-28 02:13:30,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 289. [2024-11-28 02:13:30,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 204 states have (on average 1.1666666666666667) internal successors, (238), 218 states have internal predecessors, (238), 78 states have call successors, (78), 1 states have call predecessors, (78), 1 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-28 02:13:30,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 394 transitions. [2024-11-28 02:13:30,061 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 394 transitions. Word has length 93 [2024-11-28 02:13:30,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:13:30,061 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 394 transitions. [2024-11-28 02:13:30,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-28 02:13:30,062 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 394 transitions. [2024-11-28 02:13:30,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-28 02:13:30,066 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:13:30,067 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:13:30,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 02:13:30,067 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-28 02:13:30,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:13:30,068 INFO L85 PathProgramCache]: Analyzing trace with hash -617352154, now seen corresponding path program 1 times [2024-11-28 02:13:30,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:13:30,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945226742] [2024-11-28 02:13:30,068 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:13:30,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:13:30,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:13:30,197 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-28 02:13:30,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:13:30,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945226742] [2024-11-28 02:13:30,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945226742] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:13:30,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:13:30,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:13:30,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351654607] [2024-11-28 02:13:30,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:13:30,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:13:30,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:13:30,198 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:13:30,198 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:13:30,199 INFO L87 Difference]: Start difference. First operand 289 states and 394 transitions. Second operand has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-28 02:13:30,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:13:30,240 INFO L93 Difference]: Finished difference Result 289 states and 394 transitions. [2024-11-28 02:13:30,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:13:30,240 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 94 [2024-11-28 02:13:30,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:13:30,243 INFO L225 Difference]: With dead ends: 289 [2024-11-28 02:13:30,243 INFO L226 Difference]: Without dead ends: 288 [2024-11-28 02:13:30,243 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:13:30,244 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 18 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:13:30,244 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 118 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:13:30,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2024-11-28 02:13:30,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 288. [2024-11-28 02:13:30,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 204 states have (on average 1.142156862745098) internal successors, (233), 217 states have internal predecessors, (233), 78 states have call successors, (78), 1 states have call predecessors, (78), 1 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-28 02:13:30,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 389 transitions. [2024-11-28 02:13:30,289 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 389 transitions. Word has length 94 [2024-11-28 02:13:30,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:13:30,289 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 389 transitions. [2024-11-28 02:13:30,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-28 02:13:30,289 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 389 transitions. [2024-11-28 02:13:30,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-28 02:13:30,291 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:13:30,291 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:13:30,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 02:13:30,292 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-28 02:13:30,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:13:30,292 INFO L85 PathProgramCache]: Analyzing trace with hash -1572931058, now seen corresponding path program 1 times [2024-11-28 02:13:30,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:13:30,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773873737] [2024-11-28 02:13:30,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:13:30,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:13:30,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:13:30,390 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-28 02:13:30,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:13:30,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773873737] [2024-11-28 02:13:30,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773873737] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:13:30,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:13:30,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:13:30,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272468283] [2024-11-28 02:13:30,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:13:30,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:13:30,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:13:30,391 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:13:30,391 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:13:30,392 INFO L87 Difference]: Start difference. First operand 288 states and 389 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-28 02:13:30,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:13:30,459 INFO L93 Difference]: Finished difference Result 384 states and 531 transitions. [2024-11-28 02:13:30,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:13:30,459 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 106 [2024-11-28 02:13:30,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:13:30,462 INFO L225 Difference]: With dead ends: 384 [2024-11-28 02:13:30,462 INFO L226 Difference]: Without dead ends: 288 [2024-11-28 02:13:30,465 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:13:30,465 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 0 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:13:30,466 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 194 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:13:30,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2024-11-28 02:13:30,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 288. [2024-11-28 02:13:30,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 204 states have (on average 1.1176470588235294) internal successors, (228), 217 states have internal predecessors, (228), 78 states have call successors, (78), 1 states have call predecessors, (78), 1 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-28 02:13:30,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 384 transitions. [2024-11-28 02:13:30,509 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 384 transitions. Word has length 106 [2024-11-28 02:13:30,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:13:30,510 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 384 transitions. [2024-11-28 02:13:30,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-28 02:13:30,510 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 384 transitions. [2024-11-28 02:13:30,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-28 02:13:30,514 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:13:30,514 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:13:30,514 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 02:13:30,515 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-28 02:13:30,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:13:30,515 INFO L85 PathProgramCache]: Analyzing trace with hash 899985034, now seen corresponding path program 1 times [2024-11-28 02:13:30,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:13:30,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543855205] [2024-11-28 02:13:30,516 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:13:30,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:13:30,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:13:30,652 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-28 02:13:30,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:13:30,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543855205] [2024-11-28 02:13:30,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543855205] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:13:30,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:13:30,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:13:30,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058770084] [2024-11-28 02:13:30,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:13:30,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:13:30,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:13:30,653 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:13:30,654 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:13:30,654 INFO L87 Difference]: Start difference. First operand 288 states and 384 transitions. Second operand has 3 states, 2 states have (on average 25.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-28 02:13:30,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:13:30,709 INFO L93 Difference]: Finished difference Result 349 states and 463 transitions. [2024-11-28 02:13:30,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:13:30,710 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 25.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 108 [2024-11-28 02:13:30,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:13:30,713 INFO L225 Difference]: With dead ends: 349 [2024-11-28 02:13:30,713 INFO L226 Difference]: Without dead ends: 347 [2024-11-28 02:13:30,715 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:13:30,717 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 5 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:13:30,717 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 186 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:13:30,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2024-11-28 02:13:30,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 346. [2024-11-28 02:13:30,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 254 states have (on average 1.1062992125984252) internal successors, (281), 266 states have internal predecessors, (281), 86 states have call successors, (86), 1 states have call predecessors, (86), 1 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2024-11-28 02:13:30,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 453 transitions. [2024-11-28 02:13:30,777 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 453 transitions. Word has length 108 [2024-11-28 02:13:30,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:13:30,777 INFO L471 AbstractCegarLoop]: Abstraction has 346 states and 453 transitions. [2024-11-28 02:13:30,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 25.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-28 02:13:30,778 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 453 transitions. [2024-11-28 02:13:30,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-28 02:13:30,793 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:13:30,793 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:13:30,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 02:13:30,793 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-28 02:13:30,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:13:30,794 INFO L85 PathProgramCache]: Analyzing trace with hash -134772955, now seen corresponding path program 2 times [2024-11-28 02:13:30,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:13:30,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117856056] [2024-11-28 02:13:30,794 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 02:13:30,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:13:30,823 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 02:13:30,823 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:13:31,205 INFO L134 CoverageAnalysis]: Checked inductivity of 615 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 02:13:31,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:13:31,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117856056] [2024-11-28 02:13:31,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117856056] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:13:31,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2004803670] [2024-11-28 02:13:31,206 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 02:13:31,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:13:31,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0b9c7d-49db-44a4-b739-93e07b0b8092/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:13:31,210 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0b9c7d-49db-44a4-b739-93e07b0b8092/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:13:31,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0b9c7d-49db-44a4-b739-93e07b0b8092/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 02:13:31,340 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 02:13:31,340 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:13:31,345 INFO L256 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-28 02:13:31,352 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:13:31,600 INFO L134 CoverageAnalysis]: Checked inductivity of 615 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 02:13:31,601 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:13:32,095 INFO L134 CoverageAnalysis]: Checked inductivity of 615 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-28 02:13:32,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2004803670] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:13:32,095 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:13:32,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 17 [2024-11-28 02:13:32,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183123570] [2024-11-28 02:13:32,096 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:13:32,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-28 02:13:32,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:13:32,098 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-28 02:13:32,098 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306 [2024-11-28 02:13:32,099 INFO L87 Difference]: Start difference. First operand 346 states and 453 transitions. Second operand has 18 states, 17 states have (on average 7.235294117647059) internal successors, (123), 18 states have internal predecessors, (123), 12 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 12 states have call predecessors, (32), 12 states have call successors, (32) [2024-11-28 02:13:33,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:13:33,921 INFO L93 Difference]: Finished difference Result 803 states and 1062 transitions. [2024-11-28 02:13:33,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 02:13:33,922 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 7.235294117647059) internal successors, (123), 18 states have internal predecessors, (123), 12 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 12 states have call predecessors, (32), 12 states have call successors, (32) Word has length 141 [2024-11-28 02:13:33,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:13:33,928 INFO L225 Difference]: With dead ends: 803 [2024-11-28 02:13:33,928 INFO L226 Difference]: Without dead ends: 800 [2024-11-28 02:13:33,929 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 273 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=305, Invalid=687, Unknown=0, NotChecked=0, Total=992 [2024-11-28 02:13:33,930 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 1100 mSDsluCounter, 496 mSDsCounter, 0 mSdLazyCounter, 568 mSolverCounterSat, 477 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1112 SdHoareTripleChecker+Valid, 562 SdHoareTripleChecker+Invalid, 1045 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 477 IncrementalHoareTripleChecker+Valid, 568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-28 02:13:33,930 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1112 Valid, 562 Invalid, 1045 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [477 Valid, 568 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-28 02:13:33,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2024-11-28 02:13:34,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 780. [2024-11-28 02:13:34,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 780 states, 576 states have (on average 1.1076388888888888) internal successors, (638), 602 states have internal predecessors, (638), 198 states have call successors, (198), 1 states have call predecessors, (198), 1 states have return successors, (198), 198 states have call predecessors, (198), 198 states have call successors, (198) [2024-11-28 02:13:34,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 780 states and 1034 transitions. [2024-11-28 02:13:34,036 INFO L78 Accepts]: Start accepts. Automaton has 780 states and 1034 transitions. Word has length 141 [2024-11-28 02:13:34,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:13:34,036 INFO L471 AbstractCegarLoop]: Abstraction has 780 states and 1034 transitions. [2024-11-28 02:13:34,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 7.235294117647059) internal successors, (123), 18 states have internal predecessors, (123), 12 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 12 states have call predecessors, (32), 12 states have call successors, (32) [2024-11-28 02:13:34,037 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 1034 transitions. [2024-11-28 02:13:34,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-28 02:13:34,040 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:13:34,040 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:13:34,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0b9c7d-49db-44a4-b739-93e07b0b8092/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 02:13:34,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0b9c7d-49db-44a4-b739-93e07b0b8092/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-28 02:13:34,241 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-28 02:13:34,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:13:34,242 INFO L85 PathProgramCache]: Analyzing trace with hash 569520013, now seen corresponding path program 1 times [2024-11-28 02:13:34,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:13:34,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215365136] [2024-11-28 02:13:34,243 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:13:34,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:13:34,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:13:34,409 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-28 02:13:34,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:13:34,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215365136] [2024-11-28 02:13:34,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215365136] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:13:34,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1528485755] [2024-11-28 02:13:34,410 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:13:34,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:13:34,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0b9c7d-49db-44a4-b739-93e07b0b8092/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:13:34,413 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0b9c7d-49db-44a4-b739-93e07b0b8092/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:13:34,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0b9c7d-49db-44a4-b739-93e07b0b8092/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 02:13:34,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:13:34,519 INFO L256 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 02:13:34,527 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:13:34,630 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-28 02:13:34,631 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:13:34,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1528485755] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:13:34,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:13:34,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-28 02:13:34,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084012871] [2024-11-28 02:13:34,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:13:34,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:13:34,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:13:34,633 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:13:34,635 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:13:34,635 INFO L87 Difference]: Start difference. First operand 780 states and 1034 transitions. Second operand has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-28 02:13:34,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:13:34,751 INFO L93 Difference]: Finished difference Result 781 states and 1034 transitions. [2024-11-28 02:13:34,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:13:34,752 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 150 [2024-11-28 02:13:34,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:13:34,759 INFO L225 Difference]: With dead ends: 781 [2024-11-28 02:13:34,759 INFO L226 Difference]: Without dead ends: 780 [2024-11-28 02:13:34,760 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:13:34,762 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 7 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:13:34,762 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 270 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:13:34,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 780 states. [2024-11-28 02:13:34,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 780 to 779. [2024-11-28 02:13:34,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 779 states, 576 states have (on average 1.0885416666666667) internal successors, (627), 601 states have internal predecessors, (627), 198 states have call successors, (198), 1 states have call predecessors, (198), 1 states have return successors, (198), 198 states have call predecessors, (198), 198 states have call successors, (198) [2024-11-28 02:13:34,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 779 states and 1023 transitions. [2024-11-28 02:13:34,854 INFO L78 Accepts]: Start accepts. Automaton has 779 states and 1023 transitions. Word has length 150 [2024-11-28 02:13:34,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:13:34,855 INFO L471 AbstractCegarLoop]: Abstraction has 779 states and 1023 transitions. [2024-11-28 02:13:34,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 3 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-28 02:13:34,855 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 1023 transitions. [2024-11-28 02:13:34,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-28 02:13:34,861 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:13:34,861 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:13:34,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0b9c7d-49db-44a4-b739-93e07b0b8092/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 02:13:35,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0b9c7d-49db-44a4-b739-93e07b0b8092/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-28 02:13:35,062 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-28 02:13:35,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:13:35,063 INFO L85 PathProgramCache]: Analyzing trace with hash 475251420, now seen corresponding path program 1 times [2024-11-28 02:13:35,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:13:35,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476813653] [2024-11-28 02:13:35,063 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:13:35,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:13:35,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:13:35,216 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-28 02:13:35,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:13:35,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476813653] [2024-11-28 02:13:35,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476813653] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:13:35,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [376946251] [2024-11-28 02:13:35,217 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:13:35,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:13:35,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0b9c7d-49db-44a4-b739-93e07b0b8092/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:13:35,220 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0b9c7d-49db-44a4-b739-93e07b0b8092/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:13:35,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0b9c7d-49db-44a4-b739-93e07b0b8092/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 02:13:35,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:13:35,327 INFO L256 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 02:13:35,335 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:13:35,456 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-28 02:13:35,456 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:13:35,635 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-28 02:13:35,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [376946251] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:13:35,635 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:13:35,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-28 02:13:35,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606828644] [2024-11-28 02:13:35,637 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:13:35,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 02:13:35,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:13:35,638 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 02:13:35,638 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:13:35,638 INFO L87 Difference]: Start difference. First operand 779 states and 1023 transitions. Second operand has 7 states, 6 states have (on average 16.333333333333332) internal successors, (98), 7 states have internal predecessors, (98), 6 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 6 states have call predecessors, (32), 6 states have call successors, (32) [2024-11-28 02:13:35,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:13:35,846 INFO L93 Difference]: Finished difference Result 1288 states and 1758 transitions. [2024-11-28 02:13:35,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:13:35,847 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.333333333333332) internal successors, (98), 7 states have internal predecessors, (98), 6 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 6 states have call predecessors, (32), 6 states have call successors, (32) Word has length 151 [2024-11-28 02:13:35,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:13:35,858 INFO L225 Difference]: With dead ends: 1288 [2024-11-28 02:13:35,858 INFO L226 Difference]: Without dead ends: 1287 [2024-11-28 02:13:35,859 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:13:35,860 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 18 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:13:35,861 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 364 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:13:35,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1287 states. [2024-11-28 02:13:36,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1287 to 1283. [2024-11-28 02:13:36,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1283 states, 906 states have (on average 1.086092715231788) internal successors, (984), 958 states have internal predecessors, (984), 372 states have call successors, (372), 1 states have call predecessors, (372), 1 states have return successors, (372), 372 states have call predecessors, (372), 372 states have call successors, (372) [2024-11-28 02:13:36,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1283 states to 1283 states and 1728 transitions. [2024-11-28 02:13:36,048 INFO L78 Accepts]: Start accepts. Automaton has 1283 states and 1728 transitions. Word has length 151 [2024-11-28 02:13:36,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:13:36,051 INFO L471 AbstractCegarLoop]: Abstraction has 1283 states and 1728 transitions. [2024-11-28 02:13:36,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.333333333333332) internal successors, (98), 7 states have internal predecessors, (98), 6 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 6 states have call predecessors, (32), 6 states have call successors, (32) [2024-11-28 02:13:36,051 INFO L276 IsEmpty]: Start isEmpty. Operand 1283 states and 1728 transitions. [2024-11-28 02:13:36,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2024-11-28 02:13:36,063 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:13:36,063 INFO L218 NwaCegarLoop]: trace histogram [30, 30, 30, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:13:36,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0b9c7d-49db-44a4-b739-93e07b0b8092/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-28 02:13:36,267 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0b9c7d-49db-44a4-b739-93e07b0b8092/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-28 02:13:36,268 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-28 02:13:36,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:13:36,268 INFO L85 PathProgramCache]: Analyzing trace with hash -1433136497, now seen corresponding path program 3 times [2024-11-28 02:13:36,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:13:36,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840626633] [2024-11-28 02:13:36,269 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 02:13:36,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:13:36,304 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-28 02:13:36,306 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:13:36,403 INFO L134 CoverageAnalysis]: Checked inductivity of 2442 backedges. 84 proven. 39 refuted. 0 times theorem prover too weak. 2319 trivial. 0 not checked. [2024-11-28 02:13:36,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:13:36,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840626633] [2024-11-28 02:13:36,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840626633] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:13:36,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [132539084] [2024-11-28 02:13:36,404 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 02:13:36,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:13:36,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0b9c7d-49db-44a4-b739-93e07b0b8092/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:13:36,412 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0b9c7d-49db-44a4-b739-93e07b0b8092/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:13:36,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0b9c7d-49db-44a4-b739-93e07b0b8092/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 02:13:36,493 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-28 02:13:36,493 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:13:36,494 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 02:13:36,500 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:13:36,869 INFO L134 CoverageAnalysis]: Checked inductivity of 2442 backedges. 120 proven. 39 refuted. 0 times theorem prover too weak. 2283 trivial. 0 not checked. [2024-11-28 02:13:36,869 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:13:37,436 INFO L134 CoverageAnalysis]: Checked inductivity of 2442 backedges. 84 proven. 75 refuted. 0 times theorem prover too weak. 2283 trivial. 0 not checked. [2024-11-28 02:13:37,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [132539084] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:13:37,437 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:13:37,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 11 [2024-11-28 02:13:37,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197293024] [2024-11-28 02:13:37,437 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:13:37,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 02:13:37,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:13:37,439 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 02:13:37,439 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-28 02:13:37,439 INFO L87 Difference]: Start difference. First operand 1283 states and 1728 transitions. Second operand has 12 states, 11 states have (on average 6.363636363636363) internal successors, (70), 12 states have internal predecessors, (70), 7 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (18), 5 states have call predecessors, (18), 7 states have call successors, (18) [2024-11-28 02:13:37,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:13:37,927 INFO L93 Difference]: Finished difference Result 1360 states and 1816 transitions. [2024-11-28 02:13:37,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 02:13:37,928 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.363636363636363) internal successors, (70), 12 states have internal predecessors, (70), 7 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (18), 5 states have call predecessors, (18), 7 states have call successors, (18) Word has length 260 [2024-11-28 02:13:37,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:13:37,941 INFO L225 Difference]: With dead ends: 1360 [2024-11-28 02:13:37,941 INFO L226 Difference]: Without dead ends: 1357 [2024-11-28 02:13:37,943 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 528 GetRequests, 513 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2024-11-28 02:13:37,944 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 113 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 02:13:37,945 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 189 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 02:13:37,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1357 states. [2024-11-28 02:13:38,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1357 to 144. [2024-11-28 02:13:38,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 104 states have (on average 1.0673076923076923) internal successors, (111), 110 states have internal predecessors, (111), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-28 02:13:38,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 187 transitions. [2024-11-28 02:13:38,045 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 187 transitions. Word has length 260 [2024-11-28 02:13:38,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:13:38,046 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 187 transitions. [2024-11-28 02:13:38,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.363636363636363) internal successors, (70), 12 states have internal predecessors, (70), 7 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (18), 5 states have call predecessors, (18), 7 states have call successors, (18) [2024-11-28 02:13:38,046 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 187 transitions. [2024-11-28 02:13:38,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2024-11-28 02:13:38,051 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:13:38,051 INFO L218 NwaCegarLoop]: trace histogram [36, 36, 36, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:13:38,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0b9c7d-49db-44a4-b739-93e07b0b8092/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-28 02:13:38,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0b9c7d-49db-44a4-b739-93e07b0b8092/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-28 02:13:38,254 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-11-28 02:13:38,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:13:38,254 INFO L85 PathProgramCache]: Analyzing trace with hash -950810765, now seen corresponding path program 2 times [2024-11-28 02:13:38,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:13:38,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885947895] [2024-11-28 02:13:38,255 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 02:13:38,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:13:38,296 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 02:13:38,296 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:13:38,673 INFO L134 CoverageAnalysis]: Checked inductivity of 2676 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 2610 trivial. 0 not checked. [2024-11-28 02:13:38,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:13:38,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885947895] [2024-11-28 02:13:38,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885947895] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:13:38,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1841834571] [2024-11-28 02:13:38,674 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 02:13:38,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:13:38,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0b9c7d-49db-44a4-b739-93e07b0b8092/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:13:38,676 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0b9c7d-49db-44a4-b739-93e07b0b8092/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:13:38,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0b9c7d-49db-44a4-b739-93e07b0b8092/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-28 02:13:38,824 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 02:13:38,824 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:13:38,827 INFO L256 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 02:13:38,833 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:13:39,080 INFO L134 CoverageAnalysis]: Checked inductivity of 2676 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 2520 trivial. 0 not checked. [2024-11-28 02:13:39,081 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:13:39,475 INFO L134 CoverageAnalysis]: Checked inductivity of 2676 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 2520 trivial. 0 not checked. [2024-11-28 02:13:39,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1841834571] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:13:39,476 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:13:39,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 15 [2024-11-28 02:13:39,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345302986] [2024-11-28 02:13:39,476 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:13:39,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-28 02:13:39,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:13:39,479 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-28 02:13:39,479 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=149, Unknown=0, NotChecked=0, Total=240 [2024-11-28 02:13:39,480 INFO L87 Difference]: Start difference. First operand 144 states and 187 transitions. Second operand has 16 states, 15 states have (on average 14.666666666666666) internal successors, (220), 16 states have internal predecessors, (220), 14 states have call successors, (86), 1 states have call predecessors, (86), 1 states have return successors, (86), 14 states have call predecessors, (86), 14 states have call successors, (86) [2024-11-28 02:13:39,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:13:39,797 INFO L93 Difference]: Finished difference Result 174 states and 229 transitions. [2024-11-28 02:13:39,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-28 02:13:39,798 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 14.666666666666666) internal successors, (220), 16 states have internal predecessors, (220), 14 states have call successors, (86), 1 states have call predecessors, (86), 1 states have return successors, (86), 14 states have call predecessors, (86), 14 states have call successors, (86) Word has length 277 [2024-11-28 02:13:39,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:13:39,799 INFO L225 Difference]: With dead ends: 174 [2024-11-28 02:13:39,799 INFO L226 Difference]: Without dead ends: 0 [2024-11-28 02:13:39,800 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 565 GetRequests, 543 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=219, Invalid=333, Unknown=0, NotChecked=0, Total=552 [2024-11-28 02:13:39,801 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 61 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:13:39,801 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 370 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:13:39,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-28 02:13:39,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-28 02:13:39,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:13:39,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-28 02:13:39,803 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 277 [2024-11-28 02:13:39,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:13:39,803 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 02:13:39,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 14.666666666666666) internal successors, (220), 16 states have internal predecessors, (220), 14 states have call successors, (86), 1 states have call predecessors, (86), 1 states have return successors, (86), 14 states have call predecessors, (86), 14 states have call successors, (86) [2024-11-28 02:13:39,804 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-28 02:13:39,804 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-28 02:13:39,807 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 30 remaining) [2024-11-28 02:13:39,807 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 30 remaining) [2024-11-28 02:13:39,808 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 30 remaining) [2024-11-28 02:13:39,808 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 30 remaining) [2024-11-28 02:13:39,808 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 30 remaining) [2024-11-28 02:13:39,808 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 30 remaining) [2024-11-28 02:13:39,808 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 30 remaining) [2024-11-28 02:13:39,808 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 30 remaining) [2024-11-28 02:13:39,808 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 30 remaining) [2024-11-28 02:13:39,808 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 30 remaining) [2024-11-28 02:13:39,809 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 30 remaining) [2024-11-28 02:13:39,809 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 30 remaining) [2024-11-28 02:13:39,809 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 30 remaining) [2024-11-28 02:13:39,809 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 30 remaining) [2024-11-28 02:13:39,809 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 30 remaining) [2024-11-28 02:13:39,810 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 30 remaining) [2024-11-28 02:13:39,810 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 30 remaining) [2024-11-28 02:13:39,810 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 30 remaining) [2024-11-28 02:13:39,810 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 30 remaining) [2024-11-28 02:13:39,810 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 30 remaining) [2024-11-28 02:13:39,810 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 30 remaining) [2024-11-28 02:13:39,811 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 30 remaining) [2024-11-28 02:13:39,811 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 30 remaining) [2024-11-28 02:13:39,811 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 30 remaining) [2024-11-28 02:13:39,811 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 30 remaining) [2024-11-28 02:13:39,811 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 30 remaining) [2024-11-28 02:13:39,811 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 30 remaining) [2024-11-28 02:13:39,812 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 30 remaining) [2024-11-28 02:13:39,812 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 30 remaining) [2024-11-28 02:13:39,812 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 30 remaining) [2024-11-28 02:13:39,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0b9c7d-49db-44a4-b739-93e07b0b8092/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-28 02:13:40,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0b9c7d-49db-44a4-b739-93e07b0b8092/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-28 02:13:40,015 INFO L422 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:13:40,017 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-28 02:13:42,213 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 02:13:42,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:13:42 BoogieIcfgContainer [2024-11-28 02:13:42,242 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 02:13:42,245 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:13:42,245 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:13:42,245 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:13:42,246 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:13:25" (3/4) ... [2024-11-28 02:13:42,249 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 02:13:42,255 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-28 02:13:42,261 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-28 02:13:42,261 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-28 02:13:42,261 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 02:13:42,262 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 02:13:42,378 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0b9c7d-49db-44a4-b739-93e07b0b8092/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 02:13:42,378 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0b9c7d-49db-44a4-b739-93e07b0b8092/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 02:13:42,378 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:13:42,379 INFO L158 Benchmark]: Toolchain (without parser) took 17884.71ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 92.7MB in the beginning and 188.8MB in the end (delta: -96.1MB). Peak memory consumption was 123.7MB. Max. memory is 16.1GB. [2024-11-28 02:13:42,380 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 73.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:13:42,380 INFO L158 Benchmark]: CACSL2BoogieTranslator took 328.26ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 81.2MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:13:42,380 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.03ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 79.7MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:13:42,381 INFO L158 Benchmark]: Boogie Preprocessor took 64.19ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 78.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:13:42,381 INFO L158 Benchmark]: RCFGBuilder took 595.47ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 61.1MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:13:42,381 INFO L158 Benchmark]: TraceAbstraction took 16695.07ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 60.5MB in the beginning and 78.0MB in the end (delta: -17.5MB). Peak memory consumption was 90.6MB. Max. memory is 16.1GB. [2024-11-28 02:13:42,382 INFO L158 Benchmark]: Witness Printer took 133.89ms. Allocated memory is still 218.1MB. Free memory was 78.0MB in the beginning and 188.8MB in the end (delta: -110.8MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2024-11-28 02:13:42,384 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 73.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 328.26ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 81.2MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.03ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 79.7MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.19ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 78.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 595.47ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 61.1MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 16695.07ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 60.5MB in the beginning and 78.0MB in the end (delta: -17.5MB). Peak memory consumption was 90.6MB. Max. memory is 16.1GB. * Witness Printer took 133.89ms. Allocated memory is still 218.1MB. Free memory was 78.0MB in the beginning and 188.8MB in the end (delta: -110.8MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 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: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 57]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 57]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 58]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 58]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 58]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 58]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 59]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 59]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 65]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 65]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 70]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 70]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 76]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 76]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 112 locations, 30 error locations. Started 1 CEGAR loops. OverallTime: 14.4s, OverallIterations: 16, TraceHistogramMax: 36, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.1s, AutomataDifference: 5.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2107 SdHoareTripleChecker+Valid, 3.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1997 mSDsluCounter, 3924 SdHoareTripleChecker+Invalid, 2.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2456 mSDsCounter, 753 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1467 IncrementalHoareTripleChecker+Invalid, 2220 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 753 mSolverCounterUnsat, 1468 mSDtfsCounter, 1467 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2032 GetRequests, 1929 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 302 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1283occurred in iteration=14, InterpolantAutomatonStates: 90, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 16 MinimizatonAttempts, 1273 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 5.6s InterpolantComputationTime, 2660 NumberOfCodeBlocks, 2218 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 3535 ConstructedInterpolants, 0 QuantifiedInterpolants, 6515 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1504 ConjunctsInSsa, 34 ConjunctsInUnsatCore, 27 InterpolantComputations, 11 PerfectInterpolantSequences, 20738/21748 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: 65]: Loop Invariant Derived loop invariant: ((((((((c == 0) && (urilen <= 1000000)) && (0 <= ((long long) urilen + 1000000))) && (0 <= ((long long) 1000000 + tokenlen))) && (0 <= cp)) && (cp <= 2147483646)) && (tokenlen <= 1000000)) || ((((((((urilen <= 1000000) && (0 <= ((long long) urilen + 1000000))) && (1 <= c)) && (0 <= ((long long) 1000000 + tokenlen))) && (0 <= cp)) && (cp <= 2147483646)) && (c <= 2147483642)) && (tokenlen <= 1000000))) - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: ((((((urilen <= 1000000) && (0 <= ((long long) urilen + 1000000))) && (0 <= ((long long) 1000000 + tokenlen))) && (0 <= cp)) && (cp <= 999999)) && (tokenlen <= 1000000)) RESULT: Ultimate proved your program to be correct! [2024-11-28 02:13:42,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c0b9c7d-49db-44a4-b739-93e07b0b8092/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE