./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/systemc/token_ring.02.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/systemc/token_ring.02.cil-2.c', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! overflow) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', 'bc8487f898950b83c481f83a71342af68752fb6e7598d76df123761c32c89f72'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/systemc/token_ring.02.cil-2.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --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 bc8487f898950b83c481f83a71342af68752fb6e7598d76df123761c32c89f72 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 20:59:46,868 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 20:59:46,932 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-07 20:59:46,941 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 20:59:46,943 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 20:59:46,973 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 20:59:46,973 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 20:59:46,973 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 20:59:46,973 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 20:59:46,974 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 20:59:46,974 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 20:59:46,974 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 20:59:46,974 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 20:59:46,976 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 20:59:46,977 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 20:59:46,977 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 20:59:46,977 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 20:59:46,977 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 20:59:46,977 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 20:59:46,978 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 20:59:46,979 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 20:59:46,979 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 20:59:46,979 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 20:59:46,979 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 20:59:46,979 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 20:59:46,979 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 20:59:46,979 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 20:59:46,979 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 20:59:46,979 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 20:59:46,979 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 20:59:46,979 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 20:59:46,979 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 20:59:46,979 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 20:59:46,979 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 20:59:46,980 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 20:59:46,980 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 20:59:46,980 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 20:59:46,980 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 20:59:46,980 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 20:59:46,980 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 20:59:46,980 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 20:59:46,980 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 20:59:46,980 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 20:59:46,980 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 20:59:46,980 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux 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 -> bc8487f898950b83c481f83a71342af68752fb6e7598d76df123761c32c89f72 [2024-11-07 20:59:47,255 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 20:59:47,262 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 20:59:47,263 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 20:59:47,264 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 20:59:47,264 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 20:59:47,265 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/systemc/token_ring.02.cil-2.c [2024-11-07 20:59:48,509 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 20:59:48,715 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 20:59:48,715 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/systemc/token_ring.02.cil-2.c [2024-11-07 20:59:48,722 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2b8c8fa86/173ab49f91ea402f8da166f54b20756e/FLAGdf874989c [2024-11-07 20:59:48,740 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2b8c8fa86/173ab49f91ea402f8da166f54b20756e [2024-11-07 20:59:48,742 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 20:59:48,744 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 20:59:48,744 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 20:59:48,744 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 20:59:48,747 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 20:59:48,748 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:59:48" (1/1) ... [2024-11-07 20:59:48,748 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@715ef479 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:59:48, skipping insertion in model container [2024-11-07 20:59:48,748 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:59:48" (1/1) ... [2024-11-07 20:59:48,772 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 20:59:48,966 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 20:59:48,977 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 20:59:49,017 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 20:59:49,035 INFO L204 MainTranslator]: Completed translation [2024-11-07 20:59:49,035 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:59:49 WrapperNode [2024-11-07 20:59:49,036 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 20:59:49,037 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 20:59:49,037 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 20:59:49,037 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 20:59:49,042 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:59:49" (1/1) ... [2024-11-07 20:59:49,052 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:59:49" (1/1) ... [2024-11-07 20:59:49,092 INFO L138 Inliner]: procedures = 32, calls = 39, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 296 [2024-11-07 20:59:49,093 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 20:59:49,093 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 20:59:49,097 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 20:59:49,097 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 20:59:49,108 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:59:49" (1/1) ... [2024-11-07 20:59:49,108 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:59:49" (1/1) ... [2024-11-07 20:59:49,111 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:59:49" (1/1) ... [2024-11-07 20:59:49,133 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-07 20:59:49,134 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:59:49" (1/1) ... [2024-11-07 20:59:49,134 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:59:49" (1/1) ... [2024-11-07 20:59:49,142 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:59:49" (1/1) ... [2024-11-07 20:59:49,149 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:59:49" (1/1) ... [2024-11-07 20:59:49,151 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:59:49" (1/1) ... [2024-11-07 20:59:49,151 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:59:49" (1/1) ... [2024-11-07 20:59:49,153 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 20:59:49,154 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 20:59:49,155 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 20:59:49,155 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 20:59:49,156 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:59:49" (1/1) ... [2024-11-07 20:59:49,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 20:59:49,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:59:49,186 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 20:59:49,190 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 20:59:49,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 20:59:49,212 INFO L130 BoogieDeclarations]: Found specification of procedure error [2024-11-07 20:59:49,212 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2024-11-07 20:59:49,213 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2024-11-07 20:59:49,213 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2024-11-07 20:59:49,213 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2024-11-07 20:59:49,213 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2024-11-07 20:59:49,213 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2024-11-07 20:59:49,213 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2024-11-07 20:59:49,213 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2024-11-07 20:59:49,213 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2024-11-07 20:59:49,214 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2024-11-07 20:59:49,214 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2024-11-07 20:59:49,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 20:59:49,214 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2024-11-07 20:59:49,214 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2024-11-07 20:59:49,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 20:59:49,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 20:59:49,294 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 20:59:49,296 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 20:59:49,635 INFO L? ?]: Removed 41 outVars from TransFormulas that were not future-live. [2024-11-07 20:59:49,636 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 20:59:49,646 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 20:59:49,647 INFO L316 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-07 20:59:49,647 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:59:49 BoogieIcfgContainer [2024-11-07 20:59:49,647 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 20:59:49,649 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 20:59:49,649 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 20:59:49,653 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 20:59:49,654 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:59:48" (1/3) ... [2024-11-07 20:59:49,654 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dd0367 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:59:49, skipping insertion in model container [2024-11-07 20:59:49,654 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:59:49" (2/3) ... [2024-11-07 20:59:49,655 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dd0367 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:59:49, skipping insertion in model container [2024-11-07 20:59:49,655 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:59:49" (3/3) ... [2024-11-07 20:59:49,656 INFO L112 eAbstractionObserver]: Analyzing ICFG token_ring.02.cil-2.c [2024-11-07 20:59:49,669 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 20:59:49,669 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-07 20:59:49,718 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 20:59:49,730 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;@3feabde3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 20:59:49,730 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-07 20:59:49,735 INFO L276 IsEmpty]: Start isEmpty. Operand has 153 states, 121 states have (on average 1.5867768595041323) internal successors, (192), 130 states have internal predecessors, (192), 18 states have call successors, (18), 7 states have call predecessors, (18), 7 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-07 20:59:49,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-07 20:59:49,742 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:59:49,742 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:59:49,742 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 20:59:49,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:59:49,745 INFO L85 PathProgramCache]: Analyzing trace with hash -1124729864, now seen corresponding path program 1 times [2024-11-07 20:59:49,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:59:49,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365159725] [2024-11-07 20:59:49,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:59:49,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:59:49,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:59:49,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 20:59:49,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:59:49,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 20:59:49,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:59:50,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 20:59:50,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:59:50,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 20:59:50,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:59:50,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 20:59:50,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:59:50,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:59:50,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:59:50,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365159725] [2024-11-07 20:59:50,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365159725] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:59:50,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:59:50,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 20:59:50,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566138351] [2024-11-07 20:59:50,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:59:50,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:59:50,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:59:50,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:59:50,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:59:50,106 INFO L87 Difference]: Start difference. First operand has 153 states, 121 states have (on average 1.5867768595041323) internal successors, (192), 130 states have internal predecessors, (192), 18 states have call successors, (18), 7 states have call predecessors, (18), 7 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 3 states have internal predecessors, (56), 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) [2024-11-07 20:59:50,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:59:50,661 INFO L93 Difference]: Finished difference Result 329 states and 501 transitions. [2024-11-07 20:59:50,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 20:59:50,663 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 3 states have internal predecessors, (56), 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 66 [2024-11-07 20:59:50,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:59:50,670 INFO L225 Difference]: With dead ends: 329 [2024-11-07 20:59:50,670 INFO L226 Difference]: Without dead ends: 175 [2024-11-07 20:59:50,673 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 [2024-11-07 20:59:50,677 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 312 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 20:59:50,677 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [326 Valid, 332 Invalid, 306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 20:59:50,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2024-11-07 20:59:50,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 143. [2024-11-07 20:59:50,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 115 states have (on average 1.4956521739130435) internal successors, (172), 121 states have internal predecessors, (172), 16 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-07 20:59:50,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 204 transitions. [2024-11-07 20:59:50,740 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 204 transitions. Word has length 66 [2024-11-07 20:59:50,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:59:50,741 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 204 transitions. [2024-11-07 20:59:50,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 3 states have internal predecessors, (56), 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) [2024-11-07 20:59:50,741 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 204 transitions. [2024-11-07 20:59:50,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-07 20:59:50,744 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:59:50,745 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:59:50,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 20:59:50,745 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 20:59:50,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:59:50,746 INFO L85 PathProgramCache]: Analyzing trace with hash -1685429642, now seen corresponding path program 1 times [2024-11-07 20:59:50,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:59:50,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112646205] [2024-11-07 20:59:50,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:59:50,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:59:50,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:59:50,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 20:59:50,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:59:50,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 20:59:50,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:59:50,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 20:59:50,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:59:50,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 20:59:50,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:59:50,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 20:59:50,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:59:50,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:59:50,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:59:50,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112646205] [2024-11-07 20:59:50,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112646205] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:59:50,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:59:50,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 20:59:50,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789100777] [2024-11-07 20:59:50,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:59:50,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 20:59:50,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:59:50,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 20:59:50,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 20:59:50,986 INFO L87 Difference]: Start difference. First operand 143 states and 204 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 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) [2024-11-07 20:59:51,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:59:51,768 INFO L93 Difference]: Finished difference Result 471 states and 691 transitions. [2024-11-07 20:59:51,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 20:59:51,769 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 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 66 [2024-11-07 20:59:51,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:59:51,773 INFO L225 Difference]: With dead ends: 471 [2024-11-07 20:59:51,774 INFO L226 Difference]: Without dead ends: 338 [2024-11-07 20:59:51,775 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-07 20:59:51,778 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 431 mSDsluCounter, 394 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 440 SdHoareTripleChecker+Valid, 527 SdHoareTripleChecker+Invalid, 653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 20:59:51,778 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [440 Valid, 527 Invalid, 653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 20:59:51,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2024-11-07 20:59:51,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 271. [2024-11-07 20:59:51,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 225 states have (on average 1.5066666666666666) internal successors, (339), 232 states have internal predecessors, (339), 27 states have call successors, (27), 12 states have call predecessors, (27), 13 states have return successors, (30), 27 states have call predecessors, (30), 27 states have call successors, (30) [2024-11-07 20:59:51,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 396 transitions. [2024-11-07 20:59:51,825 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 396 transitions. Word has length 66 [2024-11-07 20:59:51,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:59:51,825 INFO L471 AbstractCegarLoop]: Abstraction has 271 states and 396 transitions. [2024-11-07 20:59:51,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 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) [2024-11-07 20:59:51,826 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 396 transitions. [2024-11-07 20:59:51,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-07 20:59:51,828 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:59:51,828 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:59:51,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 20:59:51,829 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 20:59:51,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:59:51,829 INFO L85 PathProgramCache]: Analyzing trace with hash -943424142, now seen corresponding path program 1 times [2024-11-07 20:59:51,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:59:51,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343367734] [2024-11-07 20:59:51,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:59:51,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:59:51,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:59:51,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 20:59:51,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:59:51,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 20:59:51,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:59:51,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 20:59:51,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:59:51,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 20:59:51,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:59:51,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 20:59:51,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:59:52,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:59:52,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:59:52,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343367734] [2024-11-07 20:59:52,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343367734] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:59:52,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:59:52,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 20:59:52,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141148734] [2024-11-07 20:59:52,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:59:52,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 20:59:52,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:59:52,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 20:59:52,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 20:59:52,003 INFO L87 Difference]: Start difference. First operand 271 states and 396 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 5 states have internal predecessors, (56), 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) [2024-11-07 20:59:52,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:59:52,992 INFO L93 Difference]: Finished difference Result 758 states and 1117 transitions. [2024-11-07 20:59:52,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 20:59:52,993 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 5 states have internal predecessors, (56), 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 66 [2024-11-07 20:59:52,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:59:52,996 INFO L225 Difference]: With dead ends: 758 [2024-11-07 20:59:52,996 INFO L226 Difference]: Without dead ends: 497 [2024-11-07 20:59:53,001 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 [2024-11-07 20:59:53,001 INFO L432 NwaCegarLoop]: 231 mSDtfsCounter, 426 mSDsluCounter, 772 mSDsCounter, 0 mSdLazyCounter, 953 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 435 SdHoareTripleChecker+Valid, 1003 SdHoareTripleChecker+Invalid, 994 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 953 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 20:59:53,002 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [435 Valid, 1003 Invalid, 994 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 953 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 20:59:53,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2024-11-07 20:59:53,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 392. [2024-11-07 20:59:53,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 328 states have (on average 1.5) internal successors, (492), 336 states have internal predecessors, (492), 38 states have call successors, (38), 18 states have call predecessors, (38), 20 states have return successors, (43), 39 states have call predecessors, (43), 38 states have call successors, (43) [2024-11-07 20:59:53,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 573 transitions. [2024-11-07 20:59:53,057 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 573 transitions. Word has length 66 [2024-11-07 20:59:53,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:59:53,057 INFO L471 AbstractCegarLoop]: Abstraction has 392 states and 573 transitions. [2024-11-07 20:59:53,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 5 states have internal predecessors, (56), 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) [2024-11-07 20:59:53,058 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 573 transitions. [2024-11-07 20:59:53,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-07 20:59:53,063 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:59:53,063 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:59:53,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 20:59:53,063 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 20:59:53,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:59:53,064 INFO L85 PathProgramCache]: Analyzing trace with hash -499523468, now seen corresponding path program 1 times [2024-11-07 20:59:53,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:59:53,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068771712] [2024-11-07 20:59:53,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:59:53,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:59:53,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:59:53,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 20:59:53,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:59:53,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 20:59:53,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:59:53,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 20:59:53,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:59:53,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 20:59:53,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:59:53,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 20:59:53,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:59:53,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:59:53,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:59:53,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068771712] [2024-11-07 20:59:53,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068771712] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:59:53,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:59:53,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 20:59:53,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623899030] [2024-11-07 20:59:53,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:59:53,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 20:59:53,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:59:53,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 20:59:53,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 20:59:53,261 INFO L87 Difference]: Start difference. First operand 392 states and 573 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 5 states have internal predecessors, (56), 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) [2024-11-07 20:59:54,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:59:54,142 INFO L93 Difference]: Finished difference Result 1180 states and 1744 transitions. [2024-11-07 20:59:54,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 20:59:54,142 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 5 states have internal predecessors, (56), 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 66 [2024-11-07 20:59:54,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:59:54,149 INFO L225 Difference]: With dead ends: 1180 [2024-11-07 20:59:54,149 INFO L226 Difference]: Without dead ends: 798 [2024-11-07 20:59:54,150 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 [2024-11-07 20:59:54,150 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 464 mSDsluCounter, 514 mSDsCounter, 0 mSdLazyCounter, 796 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 473 SdHoareTripleChecker+Valid, 657 SdHoareTripleChecker+Invalid, 855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 796 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 20:59:54,150 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [473 Valid, 657 Invalid, 855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 796 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 20:59:54,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 798 states. [2024-11-07 20:59:54,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 798 to 635. [2024-11-07 20:59:54,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 535 states have (on average 1.4934579439252336) internal successors, (799), 545 states have internal predecessors, (799), 60 states have call successors, (60), 30 states have call predecessors, (60), 34 states have return successors, (73), 63 states have call predecessors, (73), 60 states have call successors, (73) [2024-11-07 20:59:54,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 932 transitions. [2024-11-07 20:59:54,217 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 932 transitions. Word has length 66 [2024-11-07 20:59:54,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:59:54,218 INFO L471 AbstractCegarLoop]: Abstraction has 635 states and 932 transitions. [2024-11-07 20:59:54,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 5 states have internal predecessors, (56), 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) [2024-11-07 20:59:54,218 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 932 transitions. [2024-11-07 20:59:54,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-07 20:59:54,222 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:59:54,222 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:59:54,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 20:59:54,223 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 20:59:54,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:59:54,223 INFO L85 PathProgramCache]: Analyzing trace with hash 1038816562, now seen corresponding path program 1 times [2024-11-07 20:59:54,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:59:54,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655972734] [2024-11-07 20:59:54,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:59:54,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:59:54,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:59:54,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 20:59:54,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:59:54,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 20:59:54,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:59:54,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 20:59:54,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:59:54,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 20:59:54,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:59:54,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 20:59:54,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:59:54,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:59:54,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:59:54,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655972734] [2024-11-07 20:59:54,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655972734] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:59:54,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:59:54,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 20:59:54,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520835646] [2024-11-07 20:59:54,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:59:54,382 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 20:59:54,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:59:54,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 20:59:54,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 20:59:54,382 INFO L87 Difference]: Start difference. First operand 635 states and 932 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 5 states have internal predecessors, (56), 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) [2024-11-07 20:59:55,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:59:55,396 INFO L93 Difference]: Finished difference Result 2096 states and 3101 transitions. [2024-11-07 20:59:55,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 20:59:55,396 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 5 states have internal predecessors, (56), 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 66 [2024-11-07 20:59:55,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:59:55,409 INFO L225 Difference]: With dead ends: 2096 [2024-11-07 20:59:55,409 INFO L226 Difference]: Without dead ends: 1471 [2024-11-07 20:59:55,412 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-11-07 20:59:55,414 INFO L432 NwaCegarLoop]: 226 mSDtfsCounter, 436 mSDsluCounter, 761 mSDsCounter, 0 mSdLazyCounter, 1042 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 444 SdHoareTripleChecker+Valid, 987 SdHoareTripleChecker+Invalid, 1087 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 1042 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 20:59:55,414 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [444 Valid, 987 Invalid, 1087 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 1042 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 20:59:55,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1471 states. [2024-11-07 20:59:55,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1471 to 1067. [2024-11-07 20:59:55,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1067 states, 899 states have (on average 1.4849833147942157) internal successors, (1335), 913 states have internal predecessors, (1335), 100 states have call successors, (100), 54 states have call predecessors, (100), 62 states have return successors, (135), 107 states have call predecessors, (135), 100 states have call successors, (135) [2024-11-07 20:59:55,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1067 states to 1067 states and 1570 transitions. [2024-11-07 20:59:55,542 INFO L78 Accepts]: Start accepts. Automaton has 1067 states and 1570 transitions. Word has length 66 [2024-11-07 20:59:55,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:59:55,543 INFO L471 AbstractCegarLoop]: Abstraction has 1067 states and 1570 transitions. [2024-11-07 20:59:55,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 5 states have internal predecessors, (56), 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) [2024-11-07 20:59:55,543 INFO L276 IsEmpty]: Start isEmpty. Operand 1067 states and 1570 transitions. [2024-11-07 20:59:55,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-07 20:59:55,545 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:59:55,545 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:59:55,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 20:59:55,546 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 20:59:55,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:59:55,546 INFO L85 PathProgramCache]: Analyzing trace with hash 557736304, now seen corresponding path program 1 times [2024-11-07 20:59:55,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:59:55,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732640149] [2024-11-07 20:59:55,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:59:55,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:59:55,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:59:55,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 20:59:55,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:59:55,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 20:59:55,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:59:55,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 20:59:55,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:59:55,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 20:59:55,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:59:55,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 20:59:55,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:59:55,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:59:55,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:59:55,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732640149] [2024-11-07 20:59:55,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732640149] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:59:55,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:59:55,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 20:59:55,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460735926] [2024-11-07 20:59:55,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:59:55,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 20:59:55,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:59:55,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 20:59:55,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 20:59:55,671 INFO L87 Difference]: Start difference. First operand 1067 states and 1570 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 5 states have internal predecessors, (56), 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) [2024-11-07 20:59:56,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:59:56,629 INFO L93 Difference]: Finished difference Result 3554 states and 5249 transitions. [2024-11-07 20:59:56,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 20:59:56,629 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 5 states have internal predecessors, (56), 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 66 [2024-11-07 20:59:56,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:59:56,642 INFO L225 Difference]: With dead ends: 3554 [2024-11-07 20:59:56,642 INFO L226 Difference]: Without dead ends: 2497 [2024-11-07 20:59:56,645 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-11-07 20:59:56,646 INFO L432 NwaCegarLoop]: 227 mSDtfsCounter, 438 mSDsluCounter, 764 mSDsCounter, 0 mSdLazyCounter, 901 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 450 SdHoareTripleChecker+Valid, 991 SdHoareTripleChecker+Invalid, 948 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 901 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 20:59:56,646 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [450 Valid, 991 Invalid, 948 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 901 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 20:59:56,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2497 states. [2024-11-07 20:59:56,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2497 to 1964. [2024-11-07 20:59:56,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1964 states, 1664 states have (on average 1.4789663461538463) internal successors, (2461), 1686 states have internal predecessors, (2461), 176 states have call successors, (176), 102 states have call predecessors, (176), 118 states have return successors, (273), 191 states have call predecessors, (273), 176 states have call successors, (273) [2024-11-07 20:59:56,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1964 states to 1964 states and 2910 transitions. [2024-11-07 20:59:56,840 INFO L78 Accepts]: Start accepts. Automaton has 1964 states and 2910 transitions. Word has length 66 [2024-11-07 20:59:56,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:59:56,841 INFO L471 AbstractCegarLoop]: Abstraction has 1964 states and 2910 transitions. [2024-11-07 20:59:56,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 5 states have internal predecessors, (56), 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) [2024-11-07 20:59:56,841 INFO L276 IsEmpty]: Start isEmpty. Operand 1964 states and 2910 transitions. [2024-11-07 20:59:56,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-07 20:59:56,843 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:59:56,843 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:59:56,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 20:59:56,844 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 20:59:56,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:59:56,844 INFO L85 PathProgramCache]: Analyzing trace with hash 542217586, now seen corresponding path program 1 times [2024-11-07 20:59:56,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:59:56,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973622435] [2024-11-07 20:59:56,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:59:56,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:59:56,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:59:56,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 20:59:56,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:59:56,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 20:59:56,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:59:56,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 20:59:56,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:59:56,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 20:59:56,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:59:56,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 20:59:56,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:59:56,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:59:56,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:59:56,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973622435] [2024-11-07 20:59:56,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973622435] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:59:56,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:59:56,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 20:59:56,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853670328] [2024-11-07 20:59:56,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:59:56,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 20:59:56,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:59:56,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 20:59:56,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 20:59:56,943 INFO L87 Difference]: Start difference. First operand 1964 states and 2910 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 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) [2024-11-07 20:59:57,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:59:57,844 INFO L93 Difference]: Finished difference Result 5490 states and 8158 transitions. [2024-11-07 20:59:57,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 20:59:57,845 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 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 66 [2024-11-07 20:59:57,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:59:57,866 INFO L225 Difference]: With dead ends: 5490 [2024-11-07 20:59:57,867 INFO L226 Difference]: Without dead ends: 3537 [2024-11-07 20:59:57,886 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 [2024-11-07 20:59:57,886 INFO L432 NwaCegarLoop]: 242 mSDtfsCounter, 574 mSDsluCounter, 453 mSDsCounter, 0 mSdLazyCounter, 778 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 599 SdHoareTripleChecker+Valid, 695 SdHoareTripleChecker+Invalid, 845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 778 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 20:59:57,887 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [599 Valid, 695 Invalid, 845 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 778 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 20:59:57,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3537 states. [2024-11-07 20:59:58,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3537 to 2946. [2024-11-07 20:59:58,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2946 states, 2488 states have (on average 1.460209003215434) internal successors, (3633), 2527 states have internal predecessors, (3633), 272 states have call successors, (272), 156 states have call predecessors, (272), 180 states have return successors, (397), 278 states have call predecessors, (397), 272 states have call successors, (397) [2024-11-07 20:59:58,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2946 states to 2946 states and 4302 transitions. [2024-11-07 20:59:58,086 INFO L78 Accepts]: Start accepts. Automaton has 2946 states and 4302 transitions. Word has length 66 [2024-11-07 20:59:58,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:59:58,086 INFO L471 AbstractCegarLoop]: Abstraction has 2946 states and 4302 transitions. [2024-11-07 20:59:58,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 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) [2024-11-07 20:59:58,086 INFO L276 IsEmpty]: Start isEmpty. Operand 2946 states and 4302 transitions. [2024-11-07 20:59:58,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-07 20:59:58,088 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:59:58,089 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:59:58,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 20:59:58,089 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 20:59:58,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:59:58,089 INFO L85 PathProgramCache]: Analyzing trace with hash 1093385856, now seen corresponding path program 1 times [2024-11-07 20:59:58,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:59:58,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823031509] [2024-11-07 20:59:58,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:59:58,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:59:58,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:59:58,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 20:59:58,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:59:58,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 20:59:58,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:59:58,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 20:59:58,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:59:58,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 20:59:58,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:59:58,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 20:59:58,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:59:58,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:59:58,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:59:58,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823031509] [2024-11-07 20:59:58,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823031509] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:59:58,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:59:58,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 20:59:58,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006054943] [2024-11-07 20:59:58,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:59:58,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 20:59:58,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:59:58,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 20:59:58,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 20:59:58,202 INFO L87 Difference]: Start difference. First operand 2946 states and 4302 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 5 states have internal predecessors, (57), 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) [2024-11-07 20:59:58,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:59:58,931 INFO L93 Difference]: Finished difference Result 6367 states and 9414 transitions. [2024-11-07 20:59:58,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 20:59:58,932 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 5 states have internal predecessors, (57), 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 67 [2024-11-07 20:59:58,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:59:58,951 INFO L225 Difference]: With dead ends: 6367 [2024-11-07 20:59:58,951 INFO L226 Difference]: Without dead ends: 3432 [2024-11-07 20:59:58,961 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 [2024-11-07 20:59:58,962 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 147 mSDsluCounter, 527 mSDsCounter, 0 mSdLazyCounter, 588 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 669 SdHoareTripleChecker+Invalid, 620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 588 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 20:59:58,962 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 669 Invalid, 620 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 588 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 20:59:58,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3432 states. [2024-11-07 20:59:59,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3432 to 2973. [2024-11-07 20:59:59,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2973 states, 2515 states have (on average 1.4485089463220675) internal successors, (3643), 2554 states have internal predecessors, (3643), 272 states have call successors, (272), 156 states have call predecessors, (272), 180 states have return successors, (397), 278 states have call predecessors, (397), 272 states have call successors, (397) [2024-11-07 20:59:59,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2973 states to 2973 states and 4312 transitions. [2024-11-07 20:59:59,218 INFO L78 Accepts]: Start accepts. Automaton has 2973 states and 4312 transitions. Word has length 67 [2024-11-07 20:59:59,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:59:59,218 INFO L471 AbstractCegarLoop]: Abstraction has 2973 states and 4312 transitions. [2024-11-07 20:59:59,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 5 states have internal predecessors, (57), 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) [2024-11-07 20:59:59,218 INFO L276 IsEmpty]: Start isEmpty. Operand 2973 states and 4312 transitions. [2024-11-07 20:59:59,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-07 20:59:59,224 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:59:59,224 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:59:59,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 20:59:59,225 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 20:59:59,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:59:59,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1517032578, now seen corresponding path program 1 times [2024-11-07 20:59:59,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:59:59,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282550076] [2024-11-07 20:59:59,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:59:59,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:59:59,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:59:59,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 20:59:59,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:59:59,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 20:59:59,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:59:59,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 20:59:59,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:59:59,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 20:59:59,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:59:59,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 20:59:59,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:59:59,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:59:59,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:59:59,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282550076] [2024-11-07 20:59:59,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282550076] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:59:59,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:59:59,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 20:59:59,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588027035] [2024-11-07 20:59:59,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:59:59,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 20:59:59,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:59:59,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 20:59:59,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 20:59:59,344 INFO L87 Difference]: Start difference. First operand 2973 states and 4312 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 5 states have internal predecessors, (57), 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) [2024-11-07 21:00:00,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 21:00:00,005 INFO L93 Difference]: Finished difference Result 6499 states and 9538 transitions. [2024-11-07 21:00:00,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 21:00:00,005 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 5 states have internal predecessors, (57), 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 67 [2024-11-07 21:00:00,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 21:00:00,022 INFO L225 Difference]: With dead ends: 6499 [2024-11-07 21:00:00,022 INFO L226 Difference]: Without dead ends: 3537 [2024-11-07 21:00:00,029 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2024-11-07 21:00:00,029 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 160 mSDsluCounter, 527 mSDsCounter, 0 mSdLazyCounter, 547 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 669 SdHoareTripleChecker+Invalid, 579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 21:00:00,030 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 669 Invalid, 579 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 547 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 21:00:00,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3537 states. [2024-11-07 21:00:00,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3537 to 3051. [2024-11-07 21:00:00,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3051 states, 2593 states have (on average 1.4350173544157347) internal successors, (3721), 2632 states have internal predecessors, (3721), 272 states have call successors, (272), 156 states have call predecessors, (272), 180 states have return successors, (397), 278 states have call predecessors, (397), 272 states have call successors, (397) [2024-11-07 21:00:00,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3051 states to 3051 states and 4390 transitions. [2024-11-07 21:00:00,195 INFO L78 Accepts]: Start accepts. Automaton has 3051 states and 4390 transitions. Word has length 67 [2024-11-07 21:00:00,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 21:00:00,196 INFO L471 AbstractCegarLoop]: Abstraction has 3051 states and 4390 transitions. [2024-11-07 21:00:00,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 5 states have internal predecessors, (57), 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) [2024-11-07 21:00:00,196 INFO L276 IsEmpty]: Start isEmpty. Operand 3051 states and 4390 transitions. [2024-11-07 21:00:00,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-07 21:00:00,199 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 21:00:00,199 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 21:00:00,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 21:00:00,199 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 21:00:00,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 21:00:00,199 INFO L85 PathProgramCache]: Analyzing trace with hash 673027076, now seen corresponding path program 1 times [2024-11-07 21:00:00,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 21:00:00,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127437067] [2024-11-07 21:00:00,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 21:00:00,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 21:00:00,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:00,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 21:00:00,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:00,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 21:00:00,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:00,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 21:00:00,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:00,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 21:00:00,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:00,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 21:00:00,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:00,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 21:00:00,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 21:00:00,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127437067] [2024-11-07 21:00:00,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127437067] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 21:00:00,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 21:00:00,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 21:00:00,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786196241] [2024-11-07 21:00:00,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 21:00:00,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 21:00:00,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 21:00:00,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 21:00:00,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-07 21:00:00,301 INFO L87 Difference]: Start difference. First operand 3051 states and 4390 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 5 states have internal predecessors, (57), 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) [2024-11-07 21:00:01,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 21:00:01,770 INFO L93 Difference]: Finished difference Result 10892 states and 15936 transitions. [2024-11-07 21:00:01,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-07 21:00:01,770 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 5 states have internal predecessors, (57), 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 67 [2024-11-07 21:00:01,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 21:00:01,807 INFO L225 Difference]: With dead ends: 10892 [2024-11-07 21:00:01,808 INFO L226 Difference]: Without dead ends: 7852 [2024-11-07 21:00:01,819 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=219, Unknown=0, NotChecked=0, Total=306 [2024-11-07 21:00:01,820 INFO L432 NwaCegarLoop]: 230 mSDtfsCounter, 1079 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 844 mSolverCounterSat, 198 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1097 SdHoareTripleChecker+Valid, 761 SdHoareTripleChecker+Invalid, 1042 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 198 IncrementalHoareTripleChecker+Valid, 844 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 21:00:01,820 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1097 Valid, 761 Invalid, 1042 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [198 Valid, 844 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 21:00:01,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7852 states. [2024-11-07 21:00:02,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7852 to 6746. [2024-11-07 21:00:02,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6746 states, 5716 states have (on average 1.4195241427571728) internal successors, (8114), 5814 states have internal predecessors, (8114), 606 states have call successors, (606), 362 states have call predecessors, (606), 418 states have return successors, (986), 585 states have call predecessors, (986), 606 states have call successors, (986) [2024-11-07 21:00:02,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6746 states to 6746 states and 9706 transitions. [2024-11-07 21:00:02,285 INFO L78 Accepts]: Start accepts. Automaton has 6746 states and 9706 transitions. Word has length 67 [2024-11-07 21:00:02,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 21:00:02,286 INFO L471 AbstractCegarLoop]: Abstraction has 6746 states and 9706 transitions. [2024-11-07 21:00:02,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 5 states have internal predecessors, (57), 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) [2024-11-07 21:00:02,286 INFO L276 IsEmpty]: Start isEmpty. Operand 6746 states and 9706 transitions. [2024-11-07 21:00:02,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-07 21:00:02,288 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 21:00:02,288 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 21:00:02,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 21:00:02,289 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 21:00:02,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 21:00:02,289 INFO L85 PathProgramCache]: Analyzing trace with hash -903530683, now seen corresponding path program 1 times [2024-11-07 21:00:02,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 21:00:02,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453127382] [2024-11-07 21:00:02,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 21:00:02,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 21:00:02,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:02,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 21:00:02,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:02,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 21:00:02,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:02,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 21:00:02,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:02,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 21:00:02,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:02,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 21:00:02,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:02,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 21:00:02,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 21:00:02,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453127382] [2024-11-07 21:00:02,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453127382] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 21:00:02,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 21:00:02,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 21:00:02,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74241959] [2024-11-07 21:00:02,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 21:00:02,422 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 21:00:02,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 21:00:02,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 21:00:02,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 21:00:02,423 INFO L87 Difference]: Start difference. First operand 6746 states and 9706 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 5 states have internal predecessors, (57), 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) [2024-11-07 21:00:03,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 21:00:03,163 INFO L93 Difference]: Finished difference Result 14683 states and 21550 transitions. [2024-11-07 21:00:03,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 21:00:03,164 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 5 states have internal predecessors, (57), 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 67 [2024-11-07 21:00:03,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 21:00:03,207 INFO L225 Difference]: With dead ends: 14683 [2024-11-07 21:00:03,207 INFO L226 Difference]: Without dead ends: 7948 [2024-11-07 21:00:03,221 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 [2024-11-07 21:00:03,222 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 162 mSDsluCounter, 527 mSDsCounter, 0 mSdLazyCounter, 510 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 664 SdHoareTripleChecker+Invalid, 543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 21:00:03,223 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 664 Invalid, 543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 510 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 21:00:03,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7948 states. [2024-11-07 21:00:03,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7948 to 6851. [2024-11-07 21:00:03,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6851 states, 5821 states have (on average 1.4074901219721698) internal successors, (8193), 5919 states have internal predecessors, (8193), 606 states have call successors, (606), 362 states have call predecessors, (606), 418 states have return successors, (986), 585 states have call predecessors, (986), 606 states have call successors, (986) [2024-11-07 21:00:03,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6851 states to 6851 states and 9785 transitions. [2024-11-07 21:00:03,757 INFO L78 Accepts]: Start accepts. Automaton has 6851 states and 9785 transitions. Word has length 67 [2024-11-07 21:00:03,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 21:00:03,757 INFO L471 AbstractCegarLoop]: Abstraction has 6851 states and 9785 transitions. [2024-11-07 21:00:03,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 5 states have internal predecessors, (57), 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) [2024-11-07 21:00:03,757 INFO L276 IsEmpty]: Start isEmpty. Operand 6851 states and 9785 transitions. [2024-11-07 21:00:03,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-07 21:00:03,759 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 21:00:03,759 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 21:00:03,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-07 21:00:03,760 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 21:00:03,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 21:00:03,760 INFO L85 PathProgramCache]: Analyzing trace with hash 482672711, now seen corresponding path program 1 times [2024-11-07 21:00:03,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 21:00:03,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862212207] [2024-11-07 21:00:03,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 21:00:03,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 21:00:03,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:03,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 21:00:03,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:03,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 21:00:03,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:03,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 21:00:03,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:03,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 21:00:03,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:03,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 21:00:03,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:03,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 21:00:03,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 21:00:03,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862212207] [2024-11-07 21:00:03,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862212207] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 21:00:03,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 21:00:03,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 21:00:03,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561419722] [2024-11-07 21:00:03,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 21:00:03,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 21:00:03,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 21:00:03,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 21:00:03,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-07 21:00:03,908 INFO L87 Difference]: Start difference. First operand 6851 states and 9785 transitions. Second operand has 8 states, 8 states have (on average 7.125) internal successors, (57), 6 states have internal predecessors, (57), 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) [2024-11-07 21:00:04,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 21:00:04,817 INFO L93 Difference]: Finished difference Result 8968 states and 12897 transitions. [2024-11-07 21:00:04,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-07 21:00:04,817 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 6 states have internal predecessors, (57), 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 67 [2024-11-07 21:00:04,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 21:00:04,853 INFO L225 Difference]: With dead ends: 8968 [2024-11-07 21:00:04,853 INFO L226 Difference]: Without dead ends: 5162 [2024-11-07 21:00:04,862 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=246, Unknown=0, NotChecked=0, Total=342 [2024-11-07 21:00:04,862 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 565 mSDsluCounter, 603 mSDsCounter, 0 mSdLazyCounter, 686 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 576 SdHoareTripleChecker+Valid, 732 SdHoareTripleChecker+Invalid, 753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 686 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 21:00:04,862 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [576 Valid, 732 Invalid, 753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 686 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 21:00:04,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5162 states. [2024-11-07 21:00:05,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5162 to 4242. [2024-11-07 21:00:05,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4242 states, 3595 states have (on average 1.3908205841446453) internal successors, (5000), 3653 states have internal predecessors, (5000), 387 states have call successors, (387), 226 states have call predecessors, (387), 254 states have return successors, (556), 370 states have call predecessors, (556), 387 states have call successors, (556) [2024-11-07 21:00:05,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4242 states to 4242 states and 5943 transitions. [2024-11-07 21:00:05,175 INFO L78 Accepts]: Start accepts. Automaton has 4242 states and 5943 transitions. Word has length 67 [2024-11-07 21:00:05,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 21:00:05,176 INFO L471 AbstractCegarLoop]: Abstraction has 4242 states and 5943 transitions. [2024-11-07 21:00:05,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 6 states have internal predecessors, (57), 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) [2024-11-07 21:00:05,176 INFO L276 IsEmpty]: Start isEmpty. Operand 4242 states and 5943 transitions. [2024-11-07 21:00:05,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-07 21:00:05,177 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 21:00:05,178 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 21:00:05,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 21:00:05,178 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 21:00:05,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 21:00:05,178 INFO L85 PathProgramCache]: Analyzing trace with hash 348659205, now seen corresponding path program 1 times [2024-11-07 21:00:05,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 21:00:05,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896215325] [2024-11-07 21:00:05,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 21:00:05,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 21:00:05,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:05,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 21:00:05,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:05,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 21:00:05,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:05,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 21:00:05,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:05,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 21:00:05,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:05,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 21:00:05,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:05,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 21:00:05,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 21:00:05,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896215325] [2024-11-07 21:00:05,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896215325] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 21:00:05,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 21:00:05,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 21:00:05,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033191734] [2024-11-07 21:00:05,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 21:00:05,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 21:00:05,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 21:00:05,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 21:00:05,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-07 21:00:05,310 INFO L87 Difference]: Start difference. First operand 4242 states and 5943 transitions. Second operand has 8 states, 8 states have (on average 7.125) internal successors, (57), 6 states have internal predecessors, (57), 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) [2024-11-07 21:00:06,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 21:00:06,230 INFO L93 Difference]: Finished difference Result 13108 states and 18526 transitions. [2024-11-07 21:00:06,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-07 21:00:06,230 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 6 states have internal predecessors, (57), 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 67 [2024-11-07 21:00:06,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 21:00:06,257 INFO L225 Difference]: With dead ends: 13108 [2024-11-07 21:00:06,257 INFO L226 Difference]: Without dead ends: 8878 [2024-11-07 21:00:06,268 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2024-11-07 21:00:06,268 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 736 mSDsluCounter, 509 mSDsCounter, 0 mSdLazyCounter, 718 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 746 SdHoareTripleChecker+Valid, 641 SdHoareTripleChecker+Invalid, 819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 718 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 21:00:06,268 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [746 Valid, 641 Invalid, 819 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 718 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 21:00:06,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8878 states. [2024-11-07 21:00:06,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8878 to 7286. [2024-11-07 21:00:06,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7286 states, 6168 states have (on average 1.3746757457846952) internal successors, (8479), 6293 states have internal predecessors, (8479), 643 states have call successors, (643), 390 states have call predecessors, (643), 469 states have return successors, (994), 618 states have call predecessors, (994), 643 states have call successors, (994) [2024-11-07 21:00:06,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7286 states to 7286 states and 10116 transitions. [2024-11-07 21:00:06,932 INFO L78 Accepts]: Start accepts. Automaton has 7286 states and 10116 transitions. Word has length 67 [2024-11-07 21:00:06,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 21:00:06,932 INFO L471 AbstractCegarLoop]: Abstraction has 7286 states and 10116 transitions. [2024-11-07 21:00:06,933 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 6 states have internal predecessors, (57), 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) [2024-11-07 21:00:06,933 INFO L276 IsEmpty]: Start isEmpty. Operand 7286 states and 10116 transitions. [2024-11-07 21:00:06,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-07 21:00:06,935 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 21:00:06,935 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 21:00:06,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-07 21:00:06,936 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 21:00:06,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 21:00:06,936 INFO L85 PathProgramCache]: Analyzing trace with hash 567513923, now seen corresponding path program 1 times [2024-11-07 21:00:06,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 21:00:06,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464018810] [2024-11-07 21:00:06,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 21:00:06,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 21:00:06,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:07,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 21:00:07,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:07,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 21:00:07,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:07,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 21:00:07,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:07,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 21:00:07,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:07,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 21:00:07,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:07,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 21:00:07,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 21:00:07,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464018810] [2024-11-07 21:00:07,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464018810] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 21:00:07,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 21:00:07,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 21:00:07,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675026656] [2024-11-07 21:00:07,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 21:00:07,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 21:00:07,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 21:00:07,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 21:00:07,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-07 21:00:07,091 INFO L87 Difference]: Start difference. First operand 7286 states and 10116 transitions. Second operand has 8 states, 8 states have (on average 7.125) internal successors, (57), 6 states have internal predecessors, (57), 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) [2024-11-07 21:00:08,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 21:00:08,129 INFO L93 Difference]: Finished difference Result 13444 states and 18612 transitions. [2024-11-07 21:00:08,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-07 21:00:08,130 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 6 states have internal predecessors, (57), 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 67 [2024-11-07 21:00:08,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 21:00:08,163 INFO L225 Difference]: With dead ends: 13444 [2024-11-07 21:00:08,163 INFO L226 Difference]: Without dead ends: 7754 [2024-11-07 21:00:08,178 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2024-11-07 21:00:08,179 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 529 mSDsluCounter, 597 mSDsCounter, 0 mSdLazyCounter, 753 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 538 SdHoareTripleChecker+Valid, 727 SdHoareTripleChecker+Invalid, 816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 753 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 21:00:08,179 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [538 Valid, 727 Invalid, 816 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 753 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 21:00:08,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7754 states. [2024-11-07 21:00:08,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7754 to 6082. [2024-11-07 21:00:08,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6082 states, 5176 states have (on average 1.3525888717156105) internal successors, (7001), 5277 states have internal predecessors, (7001), 519 states have call successors, (519), 326 states have call predecessors, (519), 381 states have return successors, (774), 486 states have call predecessors, (774), 519 states have call successors, (774) [2024-11-07 21:00:08,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6082 states to 6082 states and 8294 transitions. [2024-11-07 21:00:08,606 INFO L78 Accepts]: Start accepts. Automaton has 6082 states and 8294 transitions. Word has length 67 [2024-11-07 21:00:08,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 21:00:08,606 INFO L471 AbstractCegarLoop]: Abstraction has 6082 states and 8294 transitions. [2024-11-07 21:00:08,606 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 6 states have internal predecessors, (57), 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) [2024-11-07 21:00:08,606 INFO L276 IsEmpty]: Start isEmpty. Operand 6082 states and 8294 transitions. [2024-11-07 21:00:08,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-07 21:00:08,608 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 21:00:08,608 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 21:00:08,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-07 21:00:08,608 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 21:00:08,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 21:00:08,608 INFO L85 PathProgramCache]: Analyzing trace with hash 990215749, now seen corresponding path program 1 times [2024-11-07 21:00:08,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 21:00:08,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936909113] [2024-11-07 21:00:08,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 21:00:08,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 21:00:08,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:08,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 21:00:08,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:08,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 21:00:08,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:08,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 21:00:08,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:08,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 21:00:08,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:08,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 21:00:08,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:08,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 21:00:08,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 21:00:08,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936909113] [2024-11-07 21:00:08,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936909113] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 21:00:08,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 21:00:08,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 21:00:08,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288453949] [2024-11-07 21:00:08,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 21:00:08,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 21:00:08,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 21:00:08,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 21:00:08,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-07 21:00:08,733 INFO L87 Difference]: Start difference. First operand 6082 states and 8294 transitions. Second operand has 8 states, 8 states have (on average 7.125) internal successors, (57), 6 states have internal predecessors, (57), 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) [2024-11-07 21:00:09,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 21:00:09,769 INFO L93 Difference]: Finished difference Result 11376 states and 15617 transitions. [2024-11-07 21:00:09,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-07 21:00:09,770 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 6 states have internal predecessors, (57), 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 67 [2024-11-07 21:00:09,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 21:00:09,789 INFO L225 Difference]: With dead ends: 11376 [2024-11-07 21:00:09,789 INFO L226 Difference]: Without dead ends: 7696 [2024-11-07 21:00:09,795 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2024-11-07 21:00:09,795 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 573 mSDsluCounter, 597 mSDsCounter, 0 mSdLazyCounter, 686 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 582 SdHoareTripleChecker+Valid, 727 SdHoareTripleChecker+Invalid, 756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 686 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 21:00:09,795 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [582 Valid, 727 Invalid, 756 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 686 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 21:00:09,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7696 states. [2024-11-07 21:00:10,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7696 to 6049. [2024-11-07 21:00:10,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6049 states, 5153 states have (on average 1.346206093537745) internal successors, (6937), 5244 states have internal predecessors, (6937), 519 states have call successors, (519), 326 states have call predecessors, (519), 371 states have return successors, (730), 482 states have call predecessors, (730), 519 states have call successors, (730) [2024-11-07 21:00:10,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6049 states to 6049 states and 8186 transitions. [2024-11-07 21:00:10,170 INFO L78 Accepts]: Start accepts. Automaton has 6049 states and 8186 transitions. Word has length 67 [2024-11-07 21:00:10,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 21:00:10,171 INFO L471 AbstractCegarLoop]: Abstraction has 6049 states and 8186 transitions. [2024-11-07 21:00:10,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 6 states have internal predecessors, (57), 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) [2024-11-07 21:00:10,171 INFO L276 IsEmpty]: Start isEmpty. Operand 6049 states and 8186 transitions. [2024-11-07 21:00:10,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-07 21:00:10,172 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 21:00:10,172 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 21:00:10,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-07 21:00:10,174 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 21:00:10,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 21:00:10,174 INFO L85 PathProgramCache]: Analyzing trace with hash 172567299, now seen corresponding path program 1 times [2024-11-07 21:00:10,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 21:00:10,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351122692] [2024-11-07 21:00:10,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 21:00:10,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 21:00:10,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:10,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 21:00:10,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:10,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 21:00:10,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:10,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 21:00:10,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:10,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 21:00:10,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:10,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 21:00:10,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:10,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 21:00:10,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 21:00:10,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351122692] [2024-11-07 21:00:10,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351122692] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 21:00:10,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 21:00:10,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 21:00:10,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580984237] [2024-11-07 21:00:10,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 21:00:10,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 21:00:10,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 21:00:10,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 21:00:10,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 21:00:10,256 INFO L87 Difference]: Start difference. First operand 6049 states and 8186 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 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) [2024-11-07 21:00:11,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 21:00:11,492 INFO L93 Difference]: Finished difference Result 17165 states and 23614 transitions. [2024-11-07 21:00:11,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 21:00:11,493 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 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 67 [2024-11-07 21:00:11,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 21:00:11,532 INFO L225 Difference]: With dead ends: 17165 [2024-11-07 21:00:11,533 INFO L226 Difference]: Without dead ends: 11130 [2024-11-07 21:00:11,549 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 [2024-11-07 21:00:11,549 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 500 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 507 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 21:00:11,550 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [507 Valid, 488 Invalid, 456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 21:00:11,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11130 states. [2024-11-07 21:00:12,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11130 to 9412. [2024-11-07 21:00:12,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9412 states, 8020 states have (on average 1.3331670822942643) internal successors, (10692), 8148 states have internal predecessors, (10692), 788 states have call successors, (788), 506 states have call predecessors, (788), 598 states have return successors, (1266), 761 states have call predecessors, (1266), 788 states have call successors, (1266) [2024-11-07 21:00:12,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9412 states to 9412 states and 12746 transitions. [2024-11-07 21:00:12,201 INFO L78 Accepts]: Start accepts. Automaton has 9412 states and 12746 transitions. Word has length 67 [2024-11-07 21:00:12,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 21:00:12,201 INFO L471 AbstractCegarLoop]: Abstraction has 9412 states and 12746 transitions. [2024-11-07 21:00:12,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 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) [2024-11-07 21:00:12,202 INFO L276 IsEmpty]: Start isEmpty. Operand 9412 states and 12746 transitions. [2024-11-07 21:00:12,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-07 21:00:12,203 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 21:00:12,203 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 21:00:12,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-07 21:00:12,203 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 21:00:12,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 21:00:12,203 INFO L85 PathProgramCache]: Analyzing trace with hash -685003920, now seen corresponding path program 1 times [2024-11-07 21:00:12,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 21:00:12,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216106407] [2024-11-07 21:00:12,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 21:00:12,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 21:00:12,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:12,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 21:00:12,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:12,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 21:00:12,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:12,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 21:00:12,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:12,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 21:00:12,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:12,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 21:00:12,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:12,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 21:00:12,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 21:00:12,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216106407] [2024-11-07 21:00:12,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216106407] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 21:00:12,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 21:00:12,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 21:00:12,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239935329] [2024-11-07 21:00:12,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 21:00:12,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 21:00:12,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 21:00:12,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 21:00:12,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 21:00:12,267 INFO L87 Difference]: Start difference. First operand 9412 states and 12746 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 3 states have internal predecessors, (59), 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) [2024-11-07 21:00:13,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 21:00:13,674 INFO L93 Difference]: Finished difference Result 26514 states and 36201 transitions. [2024-11-07 21:00:13,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 21:00:13,674 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 3 states have internal predecessors, (59), 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 69 [2024-11-07 21:00:13,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 21:00:13,733 INFO L225 Difference]: With dead ends: 26514 [2024-11-07 21:00:13,734 INFO L226 Difference]: Without dead ends: 17026 [2024-11-07 21:00:13,760 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 [2024-11-07 21:00:13,760 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 498 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 510 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 21:00:13,761 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [510 Valid, 404 Invalid, 361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 21:00:13,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17026 states. [2024-11-07 21:00:14,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17026 to 14468. [2024-11-07 21:00:14,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14468 states, 12292 states have (on average 1.3182557761145461) internal successors, (16204), 12490 states have internal predecessors, (16204), 1224 states have call successors, (1224), 800 states have call predecessors, (1224), 946 states have return successors, (1951), 1181 states have call predecessors, (1951), 1224 states have call successors, (1951) [2024-11-07 21:00:14,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14468 states to 14468 states and 19379 transitions. [2024-11-07 21:00:14,643 INFO L78 Accepts]: Start accepts. Automaton has 14468 states and 19379 transitions. Word has length 69 [2024-11-07 21:00:14,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 21:00:14,644 INFO L471 AbstractCegarLoop]: Abstraction has 14468 states and 19379 transitions. [2024-11-07 21:00:14,644 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 3 states have internal predecessors, (59), 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) [2024-11-07 21:00:14,644 INFO L276 IsEmpty]: Start isEmpty. Operand 14468 states and 19379 transitions. [2024-11-07 21:00:14,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-07 21:00:14,647 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 21:00:14,647 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 21:00:14,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-07 21:00:14,647 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 21:00:14,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 21:00:14,648 INFO L85 PathProgramCache]: Analyzing trace with hash 668694163, now seen corresponding path program 1 times [2024-11-07 21:00:14,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 21:00:14,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377093946] [2024-11-07 21:00:14,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 21:00:14,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 21:00:14,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:14,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 21:00:14,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:14,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 21:00:14,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:14,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 21:00:14,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:14,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 21:00:14,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:14,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 21:00:14,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:14,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 21:00:14,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:14,737 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-07 21:00:14,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 21:00:14,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377093946] [2024-11-07 21:00:14,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377093946] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 21:00:14,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 21:00:14,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 21:00:14,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491359926] [2024-11-07 21:00:14,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 21:00:14,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 21:00:14,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 21:00:14,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 21:00:14,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 21:00:14,742 INFO L87 Difference]: Start difference. First operand 14468 states and 19379 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-07 21:00:17,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 21:00:17,124 INFO L93 Difference]: Finished difference Result 47620 states and 64341 transitions. [2024-11-07 21:00:17,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 21:00:17,125 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 89 [2024-11-07 21:00:17,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 21:00:17,254 INFO L225 Difference]: With dead ends: 47620 [2024-11-07 21:00:17,254 INFO L226 Difference]: Without dead ends: 33166 [2024-11-07 21:00:17,298 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-07 21:00:17,298 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 475 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 482 SdHoareTripleChecker+Valid, 599 SdHoareTripleChecker+Invalid, 472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 21:00:17,298 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [482 Valid, 599 Invalid, 472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 21:00:17,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33166 states. [2024-11-07 21:00:19,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33166 to 28416. [2024-11-07 21:00:19,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28416 states, 23979 states have (on average 1.3020142624796698) internal successors, (31221), 24482 states have internal predecessors, (31221), 2379 states have call successors, (2379), 1582 states have call predecessors, (2379), 2052 states have return successors, (4447), 2359 states have call predecessors, (4447), 2379 states have call successors, (4447) [2024-11-07 21:00:19,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28416 states to 28416 states and 38047 transitions. [2024-11-07 21:00:19,339 INFO L78 Accepts]: Start accepts. Automaton has 28416 states and 38047 transitions. Word has length 89 [2024-11-07 21:00:19,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 21:00:19,339 INFO L471 AbstractCegarLoop]: Abstraction has 28416 states and 38047 transitions. [2024-11-07 21:00:19,339 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-07 21:00:19,340 INFO L276 IsEmpty]: Start isEmpty. Operand 28416 states and 38047 transitions. [2024-11-07 21:00:19,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-07 21:00:19,344 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 21:00:19,344 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 21:00:19,344 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-07 21:00:19,344 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 21:00:19,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 21:00:19,345 INFO L85 PathProgramCache]: Analyzing trace with hash -473808303, now seen corresponding path program 1 times [2024-11-07 21:00:19,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 21:00:19,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583702353] [2024-11-07 21:00:19,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 21:00:19,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 21:00:19,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:19,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 21:00:19,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:19,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 21:00:19,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:19,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 21:00:19,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:19,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 21:00:19,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:19,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 21:00:19,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:19,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 21:00:19,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:19,406 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-07 21:00:19,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 21:00:19,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583702353] [2024-11-07 21:00:19,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583702353] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 21:00:19,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 21:00:19,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 21:00:19,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577860725] [2024-11-07 21:00:19,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 21:00:19,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 21:00:19,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 21:00:19,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 21:00:19,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 21:00:19,409 INFO L87 Difference]: Start difference. First operand 28416 states and 38047 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 3 states have internal predecessors, (65), 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) [2024-11-07 21:00:22,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 21:00:22,117 INFO L93 Difference]: Finished difference Result 59316 states and 80061 transitions. [2024-11-07 21:00:22,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 21:00:22,118 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 3 states have internal predecessors, (65), 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 89 [2024-11-07 21:00:22,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 21:00:22,254 INFO L225 Difference]: With dead ends: 59316 [2024-11-07 21:00:22,254 INFO L226 Difference]: Without dead ends: 30914 [2024-11-07 21:00:22,309 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-07 21:00:22,309 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 385 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 405 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 21:00:22,310 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [405 Valid, 303 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 21:00:22,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30914 states. [2024-11-07 21:00:23,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30914 to 26542. [2024-11-07 21:00:23,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26542 states, 22400 states have (on average 1.3082142857142858) internal successors, (29304), 22872 states have internal predecessors, (29304), 2216 states have call successors, (2216), 1464 states have call predecessors, (2216), 1920 states have return successors, (4255), 2209 states have call predecessors, (4255), 2216 states have call successors, (4255) [2024-11-07 21:00:23,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26542 states to 26542 states and 35775 transitions. [2024-11-07 21:00:24,001 INFO L78 Accepts]: Start accepts. Automaton has 26542 states and 35775 transitions. Word has length 89 [2024-11-07 21:00:24,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 21:00:24,001 INFO L471 AbstractCegarLoop]: Abstraction has 26542 states and 35775 transitions. [2024-11-07 21:00:24,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 3 states have internal predecessors, (65), 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) [2024-11-07 21:00:24,001 INFO L276 IsEmpty]: Start isEmpty. Operand 26542 states and 35775 transitions. [2024-11-07 21:00:24,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-07 21:00:24,003 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 21:00:24,003 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 21:00:24,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-07 21:00:24,004 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 21:00:24,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 21:00:24,004 INFO L85 PathProgramCache]: Analyzing trace with hash -703807411, now seen corresponding path program 1 times [2024-11-07 21:00:24,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 21:00:24,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810329496] [2024-11-07 21:00:24,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 21:00:24,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 21:00:24,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:24,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 21:00:24,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:24,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 21:00:24,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:24,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 21:00:24,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:24,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 21:00:24,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:24,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 21:00:24,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:24,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 21:00:24,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:24,076 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-07 21:00:24,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 21:00:24,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810329496] [2024-11-07 21:00:24,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810329496] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 21:00:24,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 21:00:24,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 21:00:24,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273197528] [2024-11-07 21:00:24,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 21:00:24,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 21:00:24,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 21:00:24,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 21:00:24,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 21:00:24,078 INFO L87 Difference]: Start difference. First operand 26542 states and 35775 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-07 21:00:28,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 21:00:28,339 INFO L93 Difference]: Finished difference Result 86045 states and 116837 transitions. [2024-11-07 21:00:28,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 21:00:28,340 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 90 [2024-11-07 21:00:28,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 21:00:28,529 INFO L225 Difference]: With dead ends: 86045 [2024-11-07 21:00:28,529 INFO L226 Difference]: Without dead ends: 59517 [2024-11-07 21:00:28,586 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-07 21:00:28,586 INFO L432 NwaCegarLoop]: 190 mSDtfsCounter, 578 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 585 SdHoareTripleChecker+Valid, 580 SdHoareTripleChecker+Invalid, 506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 21:00:28,586 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [585 Valid, 580 Invalid, 506 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 396 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 21:00:28,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59517 states. [2024-11-07 21:00:31,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59517 to 53927. [2024-11-07 21:00:31,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53927 states, 45400 states have (on average 1.289933920704846) internal successors, (58563), 46609 states have internal predecessors, (58563), 4299 states have call successors, (4299), 2886 states have call predecessors, (4299), 4222 states have return successors, (9590), 4439 states have call predecessors, (9590), 4299 states have call successors, (9590) [2024-11-07 21:00:31,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53927 states to 53927 states and 72452 transitions. [2024-11-07 21:00:32,024 INFO L78 Accepts]: Start accepts. Automaton has 53927 states and 72452 transitions. Word has length 90 [2024-11-07 21:00:32,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 21:00:32,025 INFO L471 AbstractCegarLoop]: Abstraction has 53927 states and 72452 transitions. [2024-11-07 21:00:32,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-07 21:00:32,025 INFO L276 IsEmpty]: Start isEmpty. Operand 53927 states and 72452 transitions. [2024-11-07 21:00:32,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-07 21:00:32,028 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 21:00:32,028 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 21:00:32,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-07 21:00:32,029 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 21:00:32,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 21:00:32,029 INFO L85 PathProgramCache]: Analyzing trace with hash 862950539, now seen corresponding path program 1 times [2024-11-07 21:00:32,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 21:00:32,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935700461] [2024-11-07 21:00:32,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 21:00:32,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 21:00:32,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:32,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 21:00:32,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:32,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 21:00:32,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:32,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 21:00:32,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:32,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 21:00:32,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:32,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 21:00:32,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:32,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 21:00:32,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:32,078 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-07 21:00:32,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 21:00:32,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935700461] [2024-11-07 21:00:32,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935700461] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 21:00:32,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 21:00:32,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 21:00:32,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482806366] [2024-11-07 21:00:32,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 21:00:32,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 21:00:32,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 21:00:32,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 21:00:32,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 21:00:32,080 INFO L87 Difference]: Start difference. First operand 53927 states and 72452 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 3 states have internal predecessors, (65), 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) [2024-11-07 21:00:36,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 21:00:36,206 INFO L93 Difference]: Finished difference Result 104775 states and 141280 transitions. [2024-11-07 21:00:36,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 21:00:36,206 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 3 states have internal predecessors, (65), 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 90 [2024-11-07 21:00:36,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 21:00:36,354 INFO L225 Difference]: With dead ends: 104775 [2024-11-07 21:00:36,354 INFO L226 Difference]: Without dead ends: 50862 [2024-11-07 21:00:36,414 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-07 21:00:36,415 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 387 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 407 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 21:00:36,415 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [407 Valid, 301 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 21:00:36,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50862 states. [2024-11-07 21:00:39,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50862 to 44951. [2024-11-07 21:00:39,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44951 states, 37907 states have (on average 1.292426200965521) internal successors, (48992), 38944 states have internal predecessors, (48992), 3509 states have call successors, (3509), 2352 states have call predecessors, (3509), 3529 states have return successors, (8006), 3658 states have call predecessors, (8006), 3509 states have call successors, (8006) [2024-11-07 21:00:39,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44951 states to 44951 states and 60507 transitions. [2024-11-07 21:00:39,818 INFO L78 Accepts]: Start accepts. Automaton has 44951 states and 60507 transitions. Word has length 90 [2024-11-07 21:00:39,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 21:00:39,819 INFO L471 AbstractCegarLoop]: Abstraction has 44951 states and 60507 transitions. [2024-11-07 21:00:39,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 3 states have internal predecessors, (65), 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) [2024-11-07 21:00:39,819 INFO L276 IsEmpty]: Start isEmpty. Operand 44951 states and 60507 transitions. [2024-11-07 21:00:39,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-07 21:00:39,821 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 21:00:39,821 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 21:00:39,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-07 21:00:39,821 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 21:00:39,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 21:00:39,822 INFO L85 PathProgramCache]: Analyzing trace with hash -725806021, now seen corresponding path program 1 times [2024-11-07 21:00:39,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 21:00:39,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277960126] [2024-11-07 21:00:39,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 21:00:39,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 21:00:39,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:39,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 21:00:39,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:39,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-07 21:00:39,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:39,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 21:00:39,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:39,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 21:00:39,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:39,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 21:00:39,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:39,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-07 21:00:39,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:00:39,899 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-07 21:00:39,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 21:00:39,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277960126] [2024-11-07 21:00:39,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277960126] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 21:00:39,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 21:00:39,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 21:00:39,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042097893] [2024-11-07 21:00:39,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 21:00:39,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 21:00:39,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 21:00:39,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 21:00:39,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 21:00:39,902 INFO L87 Difference]: Start difference. First operand 44951 states and 60507 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 4 states have internal predecessors, (75), 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) [2024-11-07 21:00:43,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 21:00:43,780 INFO L93 Difference]: Finished difference Result 86932 states and 117726 transitions. [2024-11-07 21:00:43,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-07 21:00:43,781 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 4 states have internal predecessors, (75), 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 91 [2024-11-07 21:00:43,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 21:00:44,000 INFO L225 Difference]: With dead ends: 86932 [2024-11-07 21:00:44,001 INFO L226 Difference]: Without dead ends: 51198 [2024-11-07 21:00:44,077 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2024-11-07 21:00:44,079 INFO L432 NwaCegarLoop]: 207 mSDtfsCounter, 879 mSDsluCounter, 585 mSDsCounter, 0 mSdLazyCounter, 689 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 895 SdHoareTripleChecker+Valid, 792 SdHoareTripleChecker+Invalid, 804 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 689 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 21:00:44,080 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [895 Valid, 792 Invalid, 804 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 689 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 21:00:44,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51198 states.