./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/systemc/token_ring.01.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be952b81-b4ce-4e13-b947-cafc3b7cbc8a/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be952b81-b4ce-4e13-b947-cafc3b7cbc8a/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be952b81-b4ce-4e13-b947-cafc3b7cbc8a/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be952b81-b4ce-4e13-b947-cafc3b7cbc8a/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/systemc/token_ring.01.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be952b81-b4ce-4e13-b947-cafc3b7cbc8a/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be952b81-b4ce-4e13-b947-cafc3b7cbc8a/bin/uautomizer-verify-4GaUIPS5ZU --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 327bb4ad7f981d20a6e5212aac300a9249d1857b0280531d57d587d5a0195c5f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:09:58,614 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:09:58,735 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be952b81-b4ce-4e13-b947-cafc3b7cbc8a/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-31 22:09:58,743 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:09:58,746 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:09:58,791 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:09:58,796 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:09:58,796 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:09:58,797 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:09:58,797 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:09:58,801 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:09:58,802 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:09:58,803 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:09:58,803 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:09:58,803 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:09:58,804 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:09:58,804 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:09:58,804 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:09:58,805 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:09:58,809 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:09:58,810 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:09:58,811 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:09:58,811 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:09:58,812 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:09:58,812 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:09:58,813 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-31 22:09:58,813 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:09:58,813 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:09:58,814 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:09:58,814 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:09:58,817 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:09:58,818 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:09:58,834 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:09:58,834 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:09:58,834 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:09:58,835 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:09:58,838 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:09:58,839 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:09:58,839 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:09:58,839 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:09:58,840 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:09:58,843 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:09:58,843 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:09:58,843 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:09:58,843 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be952b81-b4ce-4e13-b947-cafc3b7cbc8a/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be952b81-b4ce-4e13-b947-cafc3b7cbc8a/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 327bb4ad7f981d20a6e5212aac300a9249d1857b0280531d57d587d5a0195c5f [2024-10-31 22:09:59,236 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:09:59,260 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:09:59,265 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:09:59,267 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:09:59,268 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:09:59,269 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be952b81-b4ce-4e13-b947-cafc3b7cbc8a/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/systemc/token_ring.01.cil-2.c Unable to find full path for "g++" [2024-10-31 22:10:01,370 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:10:01,588 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:10:01,589 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be952b81-b4ce-4e13-b947-cafc3b7cbc8a/sv-benchmarks/c/systemc/token_ring.01.cil-2.c [2024-10-31 22:10:01,599 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be952b81-b4ce-4e13-b947-cafc3b7cbc8a/bin/uautomizer-verify-4GaUIPS5ZU/data/8df2bef45/5a8b4b50e0ed4b7ebec97b62fa8b503e/FLAG65d725868 [2024-10-31 22:10:01,616 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be952b81-b4ce-4e13-b947-cafc3b7cbc8a/bin/uautomizer-verify-4GaUIPS5ZU/data/8df2bef45/5a8b4b50e0ed4b7ebec97b62fa8b503e [2024-10-31 22:10:01,619 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:10:01,620 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:10:01,622 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:10:01,622 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:10:01,628 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:10:01,629 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:10:01" (1/1) ... [2024-10-31 22:10:01,631 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@456986ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:01, skipping insertion in model container [2024-10-31 22:10:01,631 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:10:01" (1/1) ... [2024-10-31 22:10:01,665 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:10:01,895 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:10:01,909 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:10:01,947 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:10:01,969 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:10:01,970 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:01 WrapperNode [2024-10-31 22:10:01,970 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:10:01,971 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:10:01,971 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:10:01,972 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:10:01,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:01" (1/1) ... [2024-10-31 22:10:01,988 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:01" (1/1) ... [2024-10-31 22:10:02,015 INFO L138 Inliner]: procedures = 30, calls = 36, calls flagged for inlining = 14, calls inlined = 14, statements flattened = 234 [2024-10-31 22:10:02,017 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:10:02,018 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:10:02,019 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:10:02,019 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:10:02,030 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:01" (1/1) ... [2024-10-31 22:10:02,031 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:01" (1/1) ... [2024-10-31 22:10:02,033 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:01" (1/1) ... [2024-10-31 22:10:02,047 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]. [2024-10-31 22:10:02,047 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:01" (1/1) ... [2024-10-31 22:10:02,048 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:01" (1/1) ... [2024-10-31 22:10:02,053 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:01" (1/1) ... [2024-10-31 22:10:02,059 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:01" (1/1) ... [2024-10-31 22:10:02,060 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:01" (1/1) ... [2024-10-31 22:10:02,062 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:01" (1/1) ... [2024-10-31 22:10:02,065 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:10:02,066 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:10:02,066 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:10:02,066 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:10:02,067 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:01" (1/1) ... [2024-10-31 22:10:02,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:10:02,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be952b81-b4ce-4e13-b947-cafc3b7cbc8a/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:10:02,115 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be952b81-b4ce-4e13-b947-cafc3b7cbc8a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:10:02,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be952b81-b4ce-4e13-b947-cafc3b7cbc8a/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:10:02,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:10:02,159 INFO L130 BoogieDeclarations]: Found specification of procedure error [2024-10-31 22:10:02,159 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2024-10-31 22:10:02,159 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2024-10-31 22:10:02,160 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2024-10-31 22:10:02,160 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2024-10-31 22:10:02,160 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2024-10-31 22:10:02,160 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2024-10-31 22:10:02,162 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2024-10-31 22:10:02,162 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2024-10-31 22:10:02,163 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2024-10-31 22:10:02,163 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2024-10-31 22:10:02,163 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2024-10-31 22:10:02,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:10:02,164 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2024-10-31 22:10:02,164 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2024-10-31 22:10:02,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:10:02,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:10:02,252 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:10:02,255 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:10:02,727 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2024-10-31 22:10:02,728 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:10:02,748 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:10:02,748 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-10-31 22:10:02,749 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:10:02 BoogieIcfgContainer [2024-10-31 22:10:02,749 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:10:02,752 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:10:02,753 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:10:02,757 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:10:02,758 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:10:01" (1/3) ... [2024-10-31 22:10:02,759 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59f2fa46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:10:02, skipping insertion in model container [2024-10-31 22:10:02,760 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:10:01" (2/3) ... [2024-10-31 22:10:02,761 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59f2fa46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:10:02, skipping insertion in model container [2024-10-31 22:10:02,762 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:10:02" (3/3) ... [2024-10-31 22:10:02,763 INFO L112 eAbstractionObserver]: Analyzing ICFG token_ring.01.cil-2.c [2024-10-31 22:10:02,783 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:10:02,784 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-10-31 22:10:02,849 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:10:02,855 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;@210e0e57, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:10:02,855 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-31 22:10:02,859 INFO L276 IsEmpty]: Start isEmpty. Operand has 124 states, 95 states have (on average 1.5473684210526315) internal successors, (147), 102 states have internal predecessors, (147), 17 states have call successors, (17), 7 states have call predecessors, (17), 7 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-31 22:10:02,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-10-31 22:10:02,891 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:10:02,891 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:10:02,892 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-31 22:10:02,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:10:02,902 INFO L85 PathProgramCache]: Analyzing trace with hash -1551110128, now seen corresponding path program 1 times [2024-10-31 22:10:02,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:10:02,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219247244] [2024-10-31 22:10:02,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:10:02,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:10:03,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:03,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-31 22:10:03,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:03,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:10:03,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:03,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-31 22:10:03,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:03,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:10:03,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:03,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-31 22:10:03,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:03,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:10:03,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:10:03,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219247244] [2024-10-31 22:10:03,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219247244] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:10:03,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:10:03,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-31 22:10:03,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478281175] [2024-10-31 22:10:03,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:10:03,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:10:03,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:10:03,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:10:03,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:10:03,584 INFO L87 Difference]: Start difference. First operand has 124 states, 95 states have (on average 1.5473684210526315) internal successors, (147), 102 states have internal predecessors, (147), 17 states have call successors, (17), 7 states have call predecessors, (17), 7 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-31 22:10:04,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:10:04,618 INFO L93 Difference]: Finished difference Result 386 states and 578 transitions. [2024-10-31 22:10:04,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-31 22:10:04,621 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 55 [2024-10-31 22:10:04,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:10:04,639 INFO L225 Difference]: With dead ends: 386 [2024-10-31 22:10:04,639 INFO L226 Difference]: Without dead ends: 257 [2024-10-31 22:10:04,646 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-10-31 22:10:04,654 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 321 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 420 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 329 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 420 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-31 22:10:04,655 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [329 Valid, 477 Invalid, 492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 420 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-31 22:10:04,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2024-10-31 22:10:04,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 214. [2024-10-31 22:10:04,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 172 states have (on average 1.4651162790697674) internal successors, (252), 177 states have internal predecessors, (252), 25 states have call successors, (25), 12 states have call predecessors, (25), 13 states have return successors, (28), 25 states have call predecessors, (28), 25 states have call successors, (28) [2024-10-31 22:10:04,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 305 transitions. [2024-10-31 22:10:04,789 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 305 transitions. Word has length 55 [2024-10-31 22:10:04,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:10:04,793 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 305 transitions. [2024-10-31 22:10:04,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-31 22:10:04,794 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 305 transitions. [2024-10-31 22:10:04,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-10-31 22:10:04,800 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:10:04,800 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:10:04,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:10:04,801 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-31 22:10:04,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:10:04,803 INFO L85 PathProgramCache]: Analyzing trace with hash 913324044, now seen corresponding path program 1 times [2024-10-31 22:10:04,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:10:04,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115999437] [2024-10-31 22:10:04,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:10:04,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:10:04,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:05,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-31 22:10:05,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:05,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:10:05,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:05,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-31 22:10:05,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:05,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:10:05,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:05,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-31 22:10:05,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:05,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:10:05,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:10:05,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115999437] [2024-10-31 22:10:05,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115999437] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:10:05,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:10:05,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-31 22:10:05,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722939447] [2024-10-31 22:10:05,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:10:05,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-31 22:10:05,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:10:05,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 22:10:05,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:10:05,170 INFO L87 Difference]: Start difference. First operand 214 states and 305 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-31 22:10:06,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:10:06,316 INFO L93 Difference]: Finished difference Result 580 states and 828 transitions. [2024-10-31 22:10:06,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-31 22:10:06,317 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 55 [2024-10-31 22:10:06,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:10:06,326 INFO L225 Difference]: With dead ends: 580 [2024-10-31 22:10:06,326 INFO L226 Difference]: Without dead ends: 375 [2024-10-31 22:10:06,328 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-10-31 22:10:06,333 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 302 mSDsluCounter, 611 mSDsCounter, 0 mSdLazyCounter, 698 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 799 SdHoareTripleChecker+Invalid, 737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 698 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-31 22:10:06,334 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [310 Valid, 799 Invalid, 737 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 698 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-31 22:10:06,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2024-10-31 22:10:06,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 309. [2024-10-31 22:10:06,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 250 states have (on average 1.456) internal successors, (364), 256 states have internal predecessors, (364), 35 states have call successors, (35), 18 states have call predecessors, (35), 20 states have return successors, (40), 36 states have call predecessors, (40), 35 states have call successors, (40) [2024-10-31 22:10:06,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 439 transitions. [2024-10-31 22:10:06,418 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 439 transitions. Word has length 55 [2024-10-31 22:10:06,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:10:06,419 INFO L471 AbstractCegarLoop]: Abstraction has 309 states and 439 transitions. [2024-10-31 22:10:06,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-31 22:10:06,419 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 439 transitions. [2024-10-31 22:10:06,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-10-31 22:10:06,421 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:10:06,422 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:10:06,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:10:06,422 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-31 22:10:06,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:10:06,423 INFO L85 PathProgramCache]: Analyzing trace with hash 15930766, now seen corresponding path program 1 times [2024-10-31 22:10:06,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:10:06,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214037253] [2024-10-31 22:10:06,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:10:06,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:10:06,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:06,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-31 22:10:06,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:06,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:10:06,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:06,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-31 22:10:06,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:06,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:10:06,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:06,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-31 22:10:06,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:06,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:10:06,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:10:06,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214037253] [2024-10-31 22:10:06,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214037253] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:10:06,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:10:06,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-31 22:10:06,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676614304] [2024-10-31 22:10:06,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:10:06,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-31 22:10:06,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:10:06,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 22:10:06,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:10:06,667 INFO L87 Difference]: Start difference. First operand 309 states and 439 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-31 22:10:07,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:10:07,721 INFO L93 Difference]: Finished difference Result 946 states and 1346 transitions. [2024-10-31 22:10:07,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-31 22:10:07,722 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 55 [2024-10-31 22:10:07,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:10:07,732 INFO L225 Difference]: With dead ends: 946 [2024-10-31 22:10:07,735 INFO L226 Difference]: Without dead ends: 646 [2024-10-31 22:10:07,737 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-10-31 22:10:07,740 INFO L432 NwaCegarLoop]: 184 mSDtfsCounter, 357 mSDsluCounter, 603 mSDsCounter, 0 mSdLazyCounter, 687 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 367 SdHoareTripleChecker+Valid, 787 SdHoareTripleChecker+Invalid, 731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 687 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-31 22:10:07,741 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [367 Valid, 787 Invalid, 731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 687 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-31 22:10:07,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 646 states. [2024-10-31 22:10:07,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 646 to 492. [2024-10-31 22:10:07,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 492 states, 401 states have (on average 1.4438902743142146) internal successors, (579), 409 states have internal predecessors, (579), 53 states have call successors, (53), 30 states have call predecessors, (53), 34 states have return successors, (66), 56 states have call predecessors, (66), 53 states have call successors, (66) [2024-10-31 22:10:07,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 698 transitions. [2024-10-31 22:10:07,830 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 698 transitions. Word has length 55 [2024-10-31 22:10:07,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:10:07,831 INFO L471 AbstractCegarLoop]: Abstraction has 492 states and 698 transitions. [2024-10-31 22:10:07,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-31 22:10:07,831 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 698 transitions. [2024-10-31 22:10:07,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-10-31 22:10:07,834 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:10:07,834 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:10:07,834 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:10:07,835 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-31 22:10:07,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:10:07,836 INFO L85 PathProgramCache]: Analyzing trace with hash 264077260, now seen corresponding path program 1 times [2024-10-31 22:10:07,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:10:07,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519865146] [2024-10-31 22:10:07,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:10:07,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:10:07,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:07,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-31 22:10:07,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:07,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:10:07,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:08,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-31 22:10:08,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:08,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:10:08,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:08,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-31 22:10:08,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:08,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:10:08,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:10:08,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519865146] [2024-10-31 22:10:08,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519865146] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:10:08,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:10:08,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-31 22:10:08,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606145541] [2024-10-31 22:10:08,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:10:08,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-31 22:10:08,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:10:08,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 22:10:08,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:10:08,030 INFO L87 Difference]: Start difference. First operand 492 states and 698 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-31 22:10:09,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:10:09,337 INFO L93 Difference]: Finished difference Result 1522 states and 2161 transitions. [2024-10-31 22:10:09,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-31 22:10:09,338 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 55 [2024-10-31 22:10:09,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:10:09,345 INFO L225 Difference]: With dead ends: 1522 [2024-10-31 22:10:09,345 INFO L226 Difference]: Without dead ends: 1039 [2024-10-31 22:10:09,348 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-10-31 22:10:09,349 INFO L432 NwaCegarLoop]: 172 mSDtfsCounter, 297 mSDsluCounter, 585 mSDsCounter, 0 mSdLazyCounter, 717 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 757 SdHoareTripleChecker+Invalid, 766 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 717 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-31 22:10:09,350 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [304 Valid, 757 Invalid, 766 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 717 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-31 22:10:09,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1039 states. [2024-10-31 22:10:09,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1039 to 801. [2024-10-31 22:10:09,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 801 states, 652 states have (on average 1.4248466257668713) internal successors, (929), 664 states have internal predecessors, (929), 85 states have call successors, (85), 52 states have call predecessors, (85), 60 states have return successors, (120), 92 states have call predecessors, (120), 85 states have call successors, (120) [2024-10-31 22:10:09,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 801 states and 1134 transitions. [2024-10-31 22:10:09,463 INFO L78 Accepts]: Start accepts. Automaton has 801 states and 1134 transitions. Word has length 55 [2024-10-31 22:10:09,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:10:09,463 INFO L471 AbstractCegarLoop]: Abstraction has 801 states and 1134 transitions. [2024-10-31 22:10:09,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-31 22:10:09,464 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 1134 transitions. [2024-10-31 22:10:09,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-10-31 22:10:09,467 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:10:09,467 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:10:09,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 22:10:09,468 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-31 22:10:09,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:10:09,468 INFO L85 PathProgramCache]: Analyzing trace with hash 687723982, now seen corresponding path program 1 times [2024-10-31 22:10:09,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:10:09,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256480815] [2024-10-31 22:10:09,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:10:09,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:10:09,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:09,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-31 22:10:09,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:09,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:10:09,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:09,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-31 22:10:09,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:09,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:10:09,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:09,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-31 22:10:09,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:09,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:10:09,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:10:09,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256480815] [2024-10-31 22:10:09,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256480815] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:10:09,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:10:09,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-31 22:10:09,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677102737] [2024-10-31 22:10:09,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:10:09,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:10:09,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:10:09,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:10:09,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:10:09,658 INFO L87 Difference]: Start difference. First operand 801 states and 1134 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-31 22:10:10,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:10:10,585 INFO L93 Difference]: Finished difference Result 2213 states and 3139 transitions. [2024-10-31 22:10:10,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-31 22:10:10,586 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 55 [2024-10-31 22:10:10,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:10:10,594 INFO L225 Difference]: With dead ends: 2213 [2024-10-31 22:10:10,595 INFO L226 Difference]: Without dead ends: 1422 [2024-10-31 22:10:10,598 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-10-31 22:10:10,599 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 420 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 552 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 443 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-31 22:10:10,600 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [443 Valid, 538 Invalid, 615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 552 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-31 22:10:10,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1422 states. [2024-10-31 22:10:10,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1422 to 1215. [2024-10-31 22:10:10,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1215 states, 983 states have (on average 1.397761953204476) internal successors, (1374), 1004 states have internal predecessors, (1374), 134 states have call successors, (134), 82 states have call predecessors, (134), 94 states have return successors, (179), 136 states have call predecessors, (179), 134 states have call successors, (179) [2024-10-31 22:10:10,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 1215 states and 1687 transitions. [2024-10-31 22:10:10,718 INFO L78 Accepts]: Start accepts. Automaton has 1215 states and 1687 transitions. Word has length 55 [2024-10-31 22:10:10,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:10:10,719 INFO L471 AbstractCegarLoop]: Abstraction has 1215 states and 1687 transitions. [2024-10-31 22:10:10,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-31 22:10:10,719 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 1687 transitions. [2024-10-31 22:10:10,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-10-31 22:10:10,723 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:10:10,724 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:10:10,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-31 22:10:10,724 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-31 22:10:10,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:10:10,725 INFO L85 PathProgramCache]: Analyzing trace with hash -987112854, now seen corresponding path program 1 times [2024-10-31 22:10:10,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:10:10,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814523903] [2024-10-31 22:10:10,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:10:10,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:10:10,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:10,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-31 22:10:10,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:10,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:10:10,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:10,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-31 22:10:10,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:10,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:10:10,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:10,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-31 22:10:10,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:10,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:10:10,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:10:10,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814523903] [2024-10-31 22:10:10,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814523903] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:10:10,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:10:10,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-31 22:10:10,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567840559] [2024-10-31 22:10:10,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:10:10,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-31 22:10:10,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:10:10,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 22:10:10,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:10:10,894 INFO L87 Difference]: Start difference. First operand 1215 states and 1687 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-31 22:10:11,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:10:11,560 INFO L93 Difference]: Finished difference Result 2572 states and 3617 transitions. [2024-10-31 22:10:11,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-31 22:10:11,561 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 56 [2024-10-31 22:10:11,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:10:11,570 INFO L225 Difference]: With dead ends: 2572 [2024-10-31 22:10:11,570 INFO L226 Difference]: Without dead ends: 1367 [2024-10-31 22:10:11,574 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-10-31 22:10:11,576 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 109 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 405 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 542 SdHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-31 22:10:11,577 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 542 Invalid, 435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 405 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-31 22:10:11,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1367 states. [2024-10-31 22:10:11,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1367 to 1230. [2024-10-31 22:10:11,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1230 states, 998 states have (on average 1.3827655310621243) internal successors, (1380), 1019 states have internal predecessors, (1380), 134 states have call successors, (134), 82 states have call predecessors, (134), 94 states have return successors, (179), 136 states have call predecessors, (179), 134 states have call successors, (179) [2024-10-31 22:10:11,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1230 states to 1230 states and 1693 transitions. [2024-10-31 22:10:11,697 INFO L78 Accepts]: Start accepts. Automaton has 1230 states and 1693 transitions. Word has length 56 [2024-10-31 22:10:11,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:10:11,699 INFO L471 AbstractCegarLoop]: Abstraction has 1230 states and 1693 transitions. [2024-10-31 22:10:11,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-31 22:10:11,700 INFO L276 IsEmpty]: Start isEmpty. Operand 1230 states and 1693 transitions. [2024-10-31 22:10:11,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-10-31 22:10:11,701 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:10:11,701 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:10:11,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-31 22:10:11,702 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-31 22:10:11,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:10:11,702 INFO L85 PathProgramCache]: Analyzing trace with hash -1059499412, now seen corresponding path program 1 times [2024-10-31 22:10:11,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:10:11,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668791436] [2024-10-31 22:10:11,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:10:11,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:10:11,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:11,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-31 22:10:11,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:11,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:10:11,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:11,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-31 22:10:11,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:11,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:10:11,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:11,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-31 22:10:11,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:11,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:10:11,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:10:11,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668791436] [2024-10-31 22:10:11,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668791436] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:10:11,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:10:11,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-31 22:10:11,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281886403] [2024-10-31 22:10:11,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:10:11,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-31 22:10:11,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:10:11,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 22:10:11,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:10:11,826 INFO L87 Difference]: Start difference. First operand 1230 states and 1693 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-31 22:10:12,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:10:12,394 INFO L93 Difference]: Finished difference Result 2644 states and 3685 transitions. [2024-10-31 22:10:12,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-31 22:10:12,395 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 56 [2024-10-31 22:10:12,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:10:12,409 INFO L225 Difference]: With dead ends: 2644 [2024-10-31 22:10:12,410 INFO L226 Difference]: Without dead ends: 1424 [2024-10-31 22:10:12,414 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2024-10-31 22:10:12,416 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 114 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 537 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-31 22:10:12,418 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 537 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 368 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-31 22:10:12,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1424 states. [2024-10-31 22:10:12,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1424 to 1272. [2024-10-31 22:10:12,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1272 states, 1040 states have (on average 1.3673076923076923) internal successors, (1422), 1061 states have internal predecessors, (1422), 134 states have call successors, (134), 82 states have call predecessors, (134), 94 states have return successors, (179), 136 states have call predecessors, (179), 134 states have call successors, (179) [2024-10-31 22:10:12,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1272 states to 1272 states and 1735 transitions. [2024-10-31 22:10:12,573 INFO L78 Accepts]: Start accepts. Automaton has 1272 states and 1735 transitions. Word has length 56 [2024-10-31 22:10:12,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:10:12,574 INFO L471 AbstractCegarLoop]: Abstraction has 1272 states and 1735 transitions. [2024-10-31 22:10:12,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-31 22:10:12,574 INFO L276 IsEmpty]: Start isEmpty. Operand 1272 states and 1735 transitions. [2024-10-31 22:10:12,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-10-31 22:10:12,578 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:10:12,578 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:10:12,579 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-31 22:10:12,579 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-31 22:10:12,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:10:12,579 INFO L85 PathProgramCache]: Analyzing trace with hash 863728622, now seen corresponding path program 1 times [2024-10-31 22:10:12,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:10:12,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59717805] [2024-10-31 22:10:12,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:10:12,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:10:12,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:12,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-31 22:10:12,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:12,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:10:12,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:12,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-31 22:10:12,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:12,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:10:12,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:12,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-31 22:10:12,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:12,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:10:12,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:10:12,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59717805] [2024-10-31 22:10:12,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59717805] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:10:12,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:10:12,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-31 22:10:12,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522220900] [2024-10-31 22:10:12,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:10:12,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-31 22:10:12,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:10:12,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-31 22:10:12,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-31 22:10:12,787 INFO L87 Difference]: Start difference. First operand 1272 states and 1735 transitions. Second operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 6 states have internal predecessors, (46), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-31 22:10:13,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:10:13,661 INFO L93 Difference]: Finished difference Result 1838 states and 2509 transitions. [2024-10-31 22:10:13,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-31 22:10:13,662 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 6 states have internal predecessors, (46), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 56 [2024-10-31 22:10:13,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:10:13,670 INFO L225 Difference]: With dead ends: 1838 [2024-10-31 22:10:13,670 INFO L226 Difference]: Without dead ends: 1088 [2024-10-31 22:10:13,673 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=246, Unknown=0, NotChecked=0, Total=342 [2024-10-31 22:10:13,674 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 374 mSDsluCounter, 482 mSDsCounter, 0 mSdLazyCounter, 508 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 384 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-31 22:10:13,675 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [384 Valid, 588 Invalid, 570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 508 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-31 22:10:13,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1088 states. [2024-10-31 22:10:13,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1088 to 918. [2024-10-31 22:10:13,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 918 states, 749 states have (on average 1.356475300400534) internal successors, (1016), 763 states have internal predecessors, (1016), 100 states have call successors, (100), 59 states have call predecessors, (100), 65 states have return successors, (115), 99 states have call predecessors, (115), 100 states have call successors, (115) [2024-10-31 22:10:13,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 918 states and 1231 transitions. [2024-10-31 22:10:13,782 INFO L78 Accepts]: Start accepts. Automaton has 918 states and 1231 transitions. Word has length 56 [2024-10-31 22:10:13,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:10:13,783 INFO L471 AbstractCegarLoop]: Abstraction has 918 states and 1231 transitions. [2024-10-31 22:10:13,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 6 states have internal predecessors, (46), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-31 22:10:13,783 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 1231 transitions. [2024-10-31 22:10:13,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-10-31 22:10:13,784 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:10:13,785 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:10:13,785 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-31 22:10:13,785 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-31 22:10:13,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:10:13,786 INFO L85 PathProgramCache]: Analyzing trace with hash 1082583340, now seen corresponding path program 1 times [2024-10-31 22:10:13,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:10:13,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144570045] [2024-10-31 22:10:13,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:10:13,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:10:13,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:13,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-31 22:10:13,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:13,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:10:13,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:13,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-31 22:10:13,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:13,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:10:13,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:13,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-31 22:10:13,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:13,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:10:13,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:10:13,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144570045] [2024-10-31 22:10:13,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144570045] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:10:13,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:10:13,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-31 22:10:13,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531409795] [2024-10-31 22:10:13,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:10:13,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-31 22:10:13,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:10:13,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-31 22:10:13,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-31 22:10:13,976 INFO L87 Difference]: Start difference. First operand 918 states and 1231 transitions. Second operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 6 states have internal predecessors, (46), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-31 22:10:15,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:10:15,009 INFO L93 Difference]: Finished difference Result 1779 states and 2393 transitions. [2024-10-31 22:10:15,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-31 22:10:15,009 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 6 states have internal predecessors, (46), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 56 [2024-10-31 22:10:15,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:10:15,017 INFO L225 Difference]: With dead ends: 1779 [2024-10-31 22:10:15,018 INFO L226 Difference]: Without dead ends: 1116 [2024-10-31 22:10:15,020 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2024-10-31 22:10:15,021 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 371 mSDsluCounter, 476 mSDsCounter, 0 mSdLazyCounter, 564 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 379 SdHoareTripleChecker+Valid, 583 SdHoareTripleChecker+Invalid, 627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 564 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-31 22:10:15,021 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [379 Valid, 583 Invalid, 627 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 564 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-31 22:10:15,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2024-10-31 22:10:15,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 912. [2024-10-31 22:10:15,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 912 states, 745 states have (on average 1.3516778523489932) internal successors, (1007), 757 states have internal predecessors, (1007), 100 states have call successors, (100), 59 states have call predecessors, (100), 63 states have return successors, (107), 97 states have call predecessors, (107), 100 states have call successors, (107) [2024-10-31 22:10:15,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 912 states and 1214 transitions. [2024-10-31 22:10:15,118 INFO L78 Accepts]: Start accepts. Automaton has 912 states and 1214 transitions. Word has length 56 [2024-10-31 22:10:15,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:10:15,118 INFO L471 AbstractCegarLoop]: Abstraction has 912 states and 1214 transitions. [2024-10-31 22:10:15,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 6 states have internal predecessors, (46), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-31 22:10:15,119 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 1214 transitions. [2024-10-31 22:10:15,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-10-31 22:10:15,120 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:10:15,120 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:10:15,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-31 22:10:15,120 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-31 22:10:15,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:10:15,121 INFO L85 PathProgramCache]: Analyzing trace with hash 1505285166, now seen corresponding path program 1 times [2024-10-31 22:10:15,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:10:15,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464127708] [2024-10-31 22:10:15,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:10:15,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:10:15,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:15,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-31 22:10:15,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:15,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:10:15,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:15,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-31 22:10:15,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:15,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:10:15,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:15,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-31 22:10:15,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:15,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:10:15,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:10:15,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464127708] [2024-10-31 22:10:15,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464127708] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:10:15,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:10:15,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-31 22:10:15,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065186217] [2024-10-31 22:10:15,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:10:15,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-31 22:10:15,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:10:15,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-31 22:10:15,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-31 22:10:15,289 INFO L87 Difference]: Start difference. First operand 912 states and 1214 transitions. Second operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 6 states have internal predecessors, (46), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-31 22:10:16,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:10:16,199 INFO L93 Difference]: Finished difference Result 1721 states and 2289 transitions. [2024-10-31 22:10:16,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-31 22:10:16,200 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 6 states have internal predecessors, (46), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 56 [2024-10-31 22:10:16,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:10:16,207 INFO L225 Difference]: With dead ends: 1721 [2024-10-31 22:10:16,207 INFO L226 Difference]: Without dead ends: 968 [2024-10-31 22:10:16,210 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=246, Unknown=0, NotChecked=0, Total=342 [2024-10-31 22:10:16,211 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 333 mSDsluCounter, 499 mSDsCounter, 0 mSdLazyCounter, 581 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 341 SdHoareTripleChecker+Valid, 624 SdHoareTripleChecker+Invalid, 628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 581 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-31 22:10:16,212 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [341 Valid, 624 Invalid, 628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 581 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-31 22:10:16,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 968 states. [2024-10-31 22:10:16,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 968 to 796. [2024-10-31 22:10:16,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 796 states, 654 states have (on average 1.348623853211009) internal successors, (882), 664 states have internal predecessors, (882), 85 states have call successors, (85), 51 states have call predecessors, (85), 53 states have return successors, (87), 81 states have call predecessors, (87), 85 states have call successors, (87) [2024-10-31 22:10:16,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 796 states and 1054 transitions. [2024-10-31 22:10:16,287 INFO L78 Accepts]: Start accepts. Automaton has 796 states and 1054 transitions. Word has length 56 [2024-10-31 22:10:16,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:10:16,287 INFO L471 AbstractCegarLoop]: Abstraction has 796 states and 1054 transitions. [2024-10-31 22:10:16,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 6 states have internal predecessors, (46), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-31 22:10:16,288 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 1054 transitions. [2024-10-31 22:10:16,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-10-31 22:10:16,292 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:10:16,292 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:10:16,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-31 22:10:16,293 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-31 22:10:16,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:10:16,293 INFO L85 PathProgramCache]: Analyzing trace with hash 687636716, now seen corresponding path program 1 times [2024-10-31 22:10:16,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:10:16,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455869386] [2024-10-31 22:10:16,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:10:16,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:10:16,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:16,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-31 22:10:16,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:16,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:10:16,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:16,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-31 22:10:16,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:16,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:10:16,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:16,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-31 22:10:16,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:16,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:10:16,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:10:16,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455869386] [2024-10-31 22:10:16,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455869386] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:10:16,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:10:16,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-31 22:10:16,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227810438] [2024-10-31 22:10:16,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:10:16,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:10:16,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:10:16,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:10:16,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:10:16,401 INFO L87 Difference]: Start difference. First operand 796 states and 1054 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-31 22:10:17,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:10:17,127 INFO L93 Difference]: Finished difference Result 2454 states and 3298 transitions. [2024-10-31 22:10:17,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-31 22:10:17,128 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 56 [2024-10-31 22:10:17,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:10:17,139 INFO L225 Difference]: With dead ends: 2454 [2024-10-31 22:10:17,139 INFO L226 Difference]: Without dead ends: 1669 [2024-10-31 22:10:17,142 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-10-31 22:10:17,143 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 333 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-31 22:10:17,143 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [339 Valid, 463 Invalid, 362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-31 22:10:17,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1669 states. [2024-10-31 22:10:17,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1669 to 1495. [2024-10-31 22:10:17,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1495 states, 1225 states have (on average 1.3273469387755101) internal successors, (1626), 1242 states have internal predecessors, (1626), 158 states have call successors, (158), 97 states have call predecessors, (158), 108 states have return successors, (201), 157 states have call predecessors, (201), 158 states have call successors, (201) [2024-10-31 22:10:17,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1495 states to 1495 states and 1985 transitions. [2024-10-31 22:10:17,287 INFO L78 Accepts]: Start accepts. Automaton has 1495 states and 1985 transitions. Word has length 56 [2024-10-31 22:10:17,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:10:17,288 INFO L471 AbstractCegarLoop]: Abstraction has 1495 states and 1985 transitions. [2024-10-31 22:10:17,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-31 22:10:17,288 INFO L276 IsEmpty]: Start isEmpty. Operand 1495 states and 1985 transitions. [2024-10-31 22:10:17,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-10-31 22:10:17,289 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:10:17,289 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:10:17,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-31 22:10:17,290 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-31 22:10:17,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:10:17,290 INFO L85 PathProgramCache]: Analyzing trace with hash -1414703249, now seen corresponding path program 1 times [2024-10-31 22:10:17,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:10:17,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375335226] [2024-10-31 22:10:17,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:10:17,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:10:17,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:17,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-31 22:10:17,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:17,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:10:17,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:17,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-31 22:10:17,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:17,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:10:17,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:17,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-31 22:10:17,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:17,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:10:17,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:10:17,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375335226] [2024-10-31 22:10:17,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375335226] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:10:17,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:10:17,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:10:17,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988051883] [2024-10-31 22:10:17,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:10:17,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:10:17,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:10:17,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:10:17,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:10:17,355 INFO L87 Difference]: Start difference. First operand 1495 states and 1985 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-31 22:10:17,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:10:17,795 INFO L93 Difference]: Finished difference Result 2879 states and 3805 transitions. [2024-10-31 22:10:17,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:10:17,796 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 57 [2024-10-31 22:10:17,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:10:17,805 INFO L225 Difference]: With dead ends: 2879 [2024-10-31 22:10:17,805 INFO L226 Difference]: Without dead ends: 1395 [2024-10-31 22:10:17,808 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-31 22:10:17,809 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 277 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-31 22:10:17,809 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [293 Valid, 247 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-31 22:10:17,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1395 states. [2024-10-31 22:10:17,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1395 to 1218. [2024-10-31 22:10:17,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1218 states, 1004 states have (on average 1.3197211155378485) internal successors, (1325), 1019 states have internal predecessors, (1325), 122 states have call successors, (122), 78 states have call predecessors, (122), 88 states have return successors, (152), 121 states have call predecessors, (152), 122 states have call successors, (152) [2024-10-31 22:10:17,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 1218 states and 1599 transitions. [2024-10-31 22:10:17,929 INFO L78 Accepts]: Start accepts. Automaton has 1218 states and 1599 transitions. Word has length 57 [2024-10-31 22:10:17,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:10:17,930 INFO L471 AbstractCegarLoop]: Abstraction has 1218 states and 1599 transitions. [2024-10-31 22:10:17,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-31 22:10:17,930 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 1599 transitions. [2024-10-31 22:10:17,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-10-31 22:10:17,932 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:10:17,932 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:10:17,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-31 22:10:17,932 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-31 22:10:17,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:10:17,933 INFO L85 PathProgramCache]: Analyzing trace with hash 375464921, now seen corresponding path program 1 times [2024-10-31 22:10:17,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:10:17,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407327635] [2024-10-31 22:10:17,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:10:17,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:10:17,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:17,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-31 22:10:17,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:17,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:10:17,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:17,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-31 22:10:17,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:18,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:10:18,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:18,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-31 22:10:18,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:18,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:10:18,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:10:18,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407327635] [2024-10-31 22:10:18,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407327635] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:10:18,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:10:18,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:10:18,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345156504] [2024-10-31 22:10:18,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:10:18,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:10:18,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:10:18,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:10:18,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:10:18,019 INFO L87 Difference]: Start difference. First operand 1218 states and 1599 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-31 22:10:18,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:10:18,668 INFO L93 Difference]: Finished difference Result 3492 states and 4608 transitions. [2024-10-31 22:10:18,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-31 22:10:18,669 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 58 [2024-10-31 22:10:18,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:10:18,682 INFO L225 Difference]: With dead ends: 3492 [2024-10-31 22:10:18,683 INFO L226 Difference]: Without dead ends: 2284 [2024-10-31 22:10:18,687 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-10-31 22:10:18,688 INFO L432 NwaCegarLoop]: 147 mSDtfsCounter, 329 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 338 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-31 22:10:18,688 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [338 Valid, 394 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-31 22:10:18,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2284 states. [2024-10-31 22:10:18,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2284 to 1992. [2024-10-31 22:10:18,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1992 states, 1640 states have (on average 1.302439024390244) internal successors, (2136), 1664 states have internal predecessors, (2136), 200 states have call successors, (200), 132 states have call predecessors, (200), 148 states have return successors, (249), 196 states have call predecessors, (249), 200 states have call successors, (249) [2024-10-31 22:10:18,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1992 states to 1992 states and 2585 transitions. [2024-10-31 22:10:18,958 INFO L78 Accepts]: Start accepts. Automaton has 1992 states and 2585 transitions. Word has length 58 [2024-10-31 22:10:18,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:10:18,960 INFO L471 AbstractCegarLoop]: Abstraction has 1992 states and 2585 transitions. [2024-10-31 22:10:18,960 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-31 22:10:18,960 INFO L276 IsEmpty]: Start isEmpty. Operand 1992 states and 2585 transitions. [2024-10-31 22:10:18,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-10-31 22:10:18,962 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:10:18,962 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:10:18,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-31 22:10:18,963 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-31 22:10:18,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:10:18,964 INFO L85 PathProgramCache]: Analyzing trace with hash -163397292, now seen corresponding path program 1 times [2024-10-31 22:10:18,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:10:18,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831244516] [2024-10-31 22:10:18,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:10:18,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:10:18,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:19,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-31 22:10:19,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:19,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:10:19,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:19,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-31 22:10:19,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:19,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:10:19,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:19,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-31 22:10:19,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:19,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-31 22:10:19,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:19,083 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-31 22:10:19,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:10:19,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831244516] [2024-10-31 22:10:19,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831244516] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:10:19,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:10:19,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-31 22:10:19,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547067330] [2024-10-31 22:10:19,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:10:19,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:10:19,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:10:19,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:10:19,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:10:19,086 INFO L87 Difference]: Start difference. First operand 1992 states and 2585 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 4 states have internal predecessors, (61), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-31 22:10:20,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:10:20,487 INFO L93 Difference]: Finished difference Result 6324 states and 8267 transitions. [2024-10-31 22:10:20,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-31 22:10:20,489 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 4 states have internal predecessors, (61), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 77 [2024-10-31 22:10:20,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:10:20,544 INFO L225 Difference]: With dead ends: 6324 [2024-10-31 22:10:20,545 INFO L226 Difference]: Without dead ends: 4343 [2024-10-31 22:10:20,561 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2024-10-31 22:10:20,562 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 700 mSDsluCounter, 403 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 714 SdHoareTripleChecker+Valid, 546 SdHoareTripleChecker+Invalid, 609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-31 22:10:20,563 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [714 Valid, 546 Invalid, 609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 468 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-31 22:10:20,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4343 states. [2024-10-31 22:10:21,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4343 to 3908. [2024-10-31 22:10:21,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3908 states, 3206 states have (on average 1.2844666250779788) internal successors, (4118), 3267 states have internal predecessors, (4118), 384 states have call successors, (384), 258 states have call predecessors, (384), 314 states have return successors, (586), 384 states have call predecessors, (586), 384 states have call successors, (586) [2024-10-31 22:10:21,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3908 states to 3908 states and 5088 transitions. [2024-10-31 22:10:21,086 INFO L78 Accepts]: Start accepts. Automaton has 3908 states and 5088 transitions. Word has length 77 [2024-10-31 22:10:21,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:10:21,086 INFO L471 AbstractCegarLoop]: Abstraction has 3908 states and 5088 transitions. [2024-10-31 22:10:21,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 4 states have internal predecessors, (61), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-31 22:10:21,086 INFO L276 IsEmpty]: Start isEmpty. Operand 3908 states and 5088 transitions. [2024-10-31 22:10:21,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-10-31 22:10:21,088 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:10:21,088 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:10:21,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-31 22:10:21,088 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-31 22:10:21,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:10:21,089 INFO L85 PathProgramCache]: Analyzing trace with hash 654619595, now seen corresponding path program 1 times [2024-10-31 22:10:21,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:10:21,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109152579] [2024-10-31 22:10:21,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:10:21,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:10:21,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:21,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-31 22:10:21,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:21,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:10:21,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:21,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-31 22:10:21,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:21,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:10:21,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:21,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-31 22:10:21,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:21,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-31 22:10:21,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:21,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-10-31 22:10:21,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:21,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-31 22:10:21,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:21,334 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-10-31 22:10:21,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:10:21,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109152579] [2024-10-31 22:10:21,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109152579] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:10:21,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:10:21,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-31 22:10:21,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580914494] [2024-10-31 22:10:21,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:10:21,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-31 22:10:21,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:10:21,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 22:10:21,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:10:21,337 INFO L87 Difference]: Start difference. First operand 3908 states and 5088 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 4 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-10-31 22:10:22,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:10:22,433 INFO L93 Difference]: Finished difference Result 7528 states and 9761 transitions. [2024-10-31 22:10:22,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-31 22:10:22,434 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 4 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 91 [2024-10-31 22:10:22,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:10:22,459 INFO L225 Difference]: With dead ends: 7528 [2024-10-31 22:10:22,459 INFO L226 Difference]: Without dead ends: 4409 [2024-10-31 22:10:22,469 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2024-10-31 22:10:22,469 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 459 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 466 SdHoareTripleChecker+Valid, 422 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-31 22:10:22,470 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [466 Valid, 422 Invalid, 386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-31 22:10:22,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4409 states. [2024-10-31 22:10:22,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4409 to 3876. [2024-10-31 22:10:22,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3876 states, 3170 states have (on average 1.2750788643533124) internal successors, (4042), 3235 states have internal predecessors, (4042), 384 states have call successors, (384), 258 states have call predecessors, (384), 318 states have return successors, (531), 384 states have call predecessors, (531), 384 states have call successors, (531) [2024-10-31 22:10:22,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3876 states to 3876 states and 4957 transitions. [2024-10-31 22:10:22,911 INFO L78 Accepts]: Start accepts. Automaton has 3876 states and 4957 transitions. Word has length 91 [2024-10-31 22:10:22,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:10:22,911 INFO L471 AbstractCegarLoop]: Abstraction has 3876 states and 4957 transitions. [2024-10-31 22:10:22,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 4 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-10-31 22:10:22,916 INFO L276 IsEmpty]: Start isEmpty. Operand 3876 states and 4957 transitions. [2024-10-31 22:10:22,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-10-31 22:10:22,920 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:10:22,921 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:10:22,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-31 22:10:22,921 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-31 22:10:22,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:10:22,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1979475789, now seen corresponding path program 1 times [2024-10-31 22:10:22,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:10:22,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067092286] [2024-10-31 22:10:22,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:10:22,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:10:22,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:22,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-31 22:10:22,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:22,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:10:22,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:22,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-31 22:10:22,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:22,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:10:22,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:22,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-31 22:10:22,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:22,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-31 22:10:22,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:22,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-10-31 22:10:22,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:22,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-31 22:10:22,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:22,997 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-10-31 22:10:22,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:10:22,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067092286] [2024-10-31 22:10:22,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067092286] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:10:23,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:10:23,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:10:23,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937133946] [2024-10-31 22:10:23,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:10:23,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:10:23,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:10:23,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:10:23,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:10:23,002 INFO L87 Difference]: Start difference. First operand 3876 states and 4957 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-10-31 22:10:23,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:10:23,671 INFO L93 Difference]: Finished difference Result 4271 states and 5475 transitions. [2024-10-31 22:10:23,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:10:23,672 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 91 [2024-10-31 22:10:23,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:10:23,691 INFO L225 Difference]: With dead ends: 4271 [2024-10-31 22:10:23,691 INFO L226 Difference]: Without dead ends: 3518 [2024-10-31 22:10:23,694 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-31 22:10:23,695 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 275 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-31 22:10:23,695 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [293 Valid, 242 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-31 22:10:23,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3518 states. [2024-10-31 22:10:24,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3518 to 3125. [2024-10-31 22:10:24,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3125 states, 2560 states have (on average 1.280078125) internal successors, (3277), 2615 states have internal predecessors, (3277), 303 states have call successors, (303), 204 states have call predecessors, (303), 258 states have return successors, (431), 306 states have call predecessors, (431), 303 states have call successors, (431) [2024-10-31 22:10:24,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3125 states to 3125 states and 4011 transitions. [2024-10-31 22:10:24,062 INFO L78 Accepts]: Start accepts. Automaton has 3125 states and 4011 transitions. Word has length 91 [2024-10-31 22:10:24,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:10:24,063 INFO L471 AbstractCegarLoop]: Abstraction has 3125 states and 4011 transitions. [2024-10-31 22:10:24,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-10-31 22:10:24,063 INFO L276 IsEmpty]: Start isEmpty. Operand 3125 states and 4011 transitions. [2024-10-31 22:10:24,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-10-31 22:10:24,065 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:10:24,065 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:10:24,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-31 22:10:24,065 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-31 22:10:24,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:10:24,066 INFO L85 PathProgramCache]: Analyzing trace with hash -1024919005, now seen corresponding path program 1 times [2024-10-31 22:10:24,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:10:24,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3345385] [2024-10-31 22:10:24,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:10:24,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:10:24,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:24,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-31 22:10:24,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:24,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:10:24,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:24,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-31 22:10:24,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:24,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:10:24,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:24,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-31 22:10:24,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:24,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-31 22:10:24,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:24,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-10-31 22:10:24,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:24,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-31 22:10:24,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:24,190 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-31 22:10:24,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:10:24,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3345385] [2024-10-31 22:10:24,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3345385] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:10:24,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:10:24,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-31 22:10:24,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72140689] [2024-10-31 22:10:24,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:10:24,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-31 22:10:24,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:10:24,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 22:10:24,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:10:24,194 INFO L87 Difference]: Start difference. First operand 3125 states and 4011 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 5 states have internal predecessors, (63), 4 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-10-31 22:10:25,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:10:25,798 INFO L93 Difference]: Finished difference Result 5468 states and 7103 transitions. [2024-10-31 22:10:25,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-31 22:10:25,799 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 5 states have internal predecessors, (63), 4 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) Word has length 93 [2024-10-31 22:10:25,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:10:25,815 INFO L225 Difference]: With dead ends: 5468 [2024-10-31 22:10:25,815 INFO L226 Difference]: Without dead ends: 3435 [2024-10-31 22:10:25,821 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=319, Unknown=0, NotChecked=0, Total=420 [2024-10-31 22:10:25,821 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 1051 mSDsluCounter, 465 mSDsCounter, 0 mSdLazyCounter, 606 mSolverCounterSat, 253 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1065 SdHoareTripleChecker+Valid, 615 SdHoareTripleChecker+Invalid, 859 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 253 IncrementalHoareTripleChecker+Valid, 606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-31 22:10:25,822 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1065 Valid, 615 Invalid, 859 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [253 Valid, 606 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-31 22:10:25,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3435 states. [2024-10-31 22:10:26,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3435 to 3125. [2024-10-31 22:10:26,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3125 states, 2560 states have (on average 1.271484375) internal successors, (3255), 2615 states have internal predecessors, (3255), 303 states have call successors, (303), 204 states have call predecessors, (303), 258 states have return successors, (398), 306 states have call predecessors, (398), 303 states have call successors, (398) [2024-10-31 22:10:26,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3125 states to 3125 states and 3956 transitions. [2024-10-31 22:10:26,224 INFO L78 Accepts]: Start accepts. Automaton has 3125 states and 3956 transitions. Word has length 93 [2024-10-31 22:10:26,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:10:26,224 INFO L471 AbstractCegarLoop]: Abstraction has 3125 states and 3956 transitions. [2024-10-31 22:10:26,225 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 5 states have internal predecessors, (63), 4 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-10-31 22:10:26,225 INFO L276 IsEmpty]: Start isEmpty. Operand 3125 states and 3956 transitions. [2024-10-31 22:10:26,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-10-31 22:10:26,228 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:10:26,228 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:10:26,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-31 22:10:26,229 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-31 22:10:26,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:10:26,229 INFO L85 PathProgramCache]: Analyzing trace with hash 1670091637, now seen corresponding path program 1 times [2024-10-31 22:10:26,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:10:26,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749894480] [2024-10-31 22:10:26,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:10:26,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:10:26,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:26,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-31 22:10:26,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:26,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 22:10:26,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:26,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-31 22:10:26,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:26,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:10:26,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:26,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-31 22:10:26,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:26,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-31 22:10:26,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:26,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-31 22:10:26,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:26,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-10-31 22:10:26,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:10:26,328 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-31 22:10:26,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:10:26,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749894480] [2024-10-31 22:10:26,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749894480] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:10:26,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:10:26,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:10:26,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844044032] [2024-10-31 22:10:26,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:10:26,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:10:26,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:10:26,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:10:26,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:10:26,330 INFO L87 Difference]: Start difference. First operand 3125 states and 3956 transitions. Second operand has 5 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 3 states have call successors, (7) [2024-10-31 22:10:26,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:10:26,961 INFO L93 Difference]: Finished difference Result 3518 states and 4474 transitions. [2024-10-31 22:10:26,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:10:26,961 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 3 states have call successors, (7) Word has length 100 [2024-10-31 22:10:26,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:10:26,974 INFO L225 Difference]: With dead ends: 3518 [2024-10-31 22:10:26,974 INFO L226 Difference]: Without dead ends: 3517 [2024-10-31 22:10:26,975 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-31 22:10:26,976 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 269 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-31 22:10:26,976 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 230 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-31 22:10:26,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3517 states. [2024-10-31 22:10:27,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3517 to 3124. [2024-10-31 22:10:27,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3124 states, 2560 states have (on average 1.26796875) internal successors, (3246), 2614 states have internal predecessors, (3246), 303 states have call successors, (303), 204 states have call predecessors, (303), 258 states have return successors, (398), 306 states have call predecessors, (398), 303 states have call successors, (398) [2024-10-31 22:10:27,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3124 states to 3124 states and 3947 transitions. [2024-10-31 22:10:27,329 INFO L78 Accepts]: Start accepts. Automaton has 3124 states and 3947 transitions. Word has length 100 [2024-10-31 22:10:27,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:10:27,330 INFO L471 AbstractCegarLoop]: Abstraction has 3124 states and 3947 transitions. [2024-10-31 22:10:27,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 3 states have call successors, (7) [2024-10-31 22:10:27,330 INFO L276 IsEmpty]: Start isEmpty. Operand 3124 states and 3947 transitions. [2024-10-31 22:10:27,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-10-31 22:10:27,332 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:10:27,332 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:10:27,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-31 22:10:27,332 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-31 22:10:27,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:10:27,333 INFO L85 PathProgramCache]: Analyzing trace with hash 233233506, now seen corresponding path program 1 times [2024-10-31 22:10:27,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:10:27,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20966063] [2024-10-31 22:10:27,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:10:27,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:10:27,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:10:27,346 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:10:27,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:10:27,391 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:10:27,391 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 22:10:27,394 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2024-10-31 22:10:27,396 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2024-10-31 22:10:27,396 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2024-10-31 22:10:27,396 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2024-10-31 22:10:27,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-31 22:10:27,400 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]