./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test1-1.i --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/uthash-2.0.2/uthash_SAX_nondet_test1-1.i', '-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', 'fdc85b042221b41aa26e62667e19ce1f6c246be9a2cb4f81fe8b15c8429db160'] 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/uthash-2.0.2/uthash_SAX_nondet_test1-1.i -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 fdc85b042221b41aa26e62667e19ce1f6c246be9a2cb4f81fe8b15c8429db160 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 23:14:17,469 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 23:14:17,532 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-07 23:14:17,535 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 23:14:17,536 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 23:14:17,549 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 23:14:17,550 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 23:14:17,550 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 23:14:17,550 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 23:14:17,550 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 23:14:17,551 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 23:14:17,551 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 23:14:17,551 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 23:14:17,551 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 23:14:17,551 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 23:14:17,551 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 23:14:17,551 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 23:14:17,551 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 23:14:17,551 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 23:14:17,551 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 23:14:17,551 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 23:14:17,551 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 23:14:17,551 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 23:14:17,551 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 23:14:17,552 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 23:14:17,552 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 23:14:17,552 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 23:14:17,552 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 23:14:17,552 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 23:14:17,552 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 23:14:17,552 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 23:14:17,552 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 23:14:17,552 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 23:14:17,552 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 23:14:17,552 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 23:14:17,552 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 23:14:17,552 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 23:14:17,552 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 23:14:17,552 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 23:14:17,552 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 23:14:17,552 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 23:14:17,552 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 23:14:17,552 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 23:14:17,552 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 23:14:17,553 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 -> fdc85b042221b41aa26e62667e19ce1f6c246be9a2cb4f81fe8b15c8429db160 [2024-11-07 23:14:17,810 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 23:14:17,818 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 23:14:17,820 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 23:14:17,822 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 23:14:17,822 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 23:14:17,824 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test1-1.i [2024-11-07 23:14:19,055 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 23:14:19,314 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 23:14:19,315 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test1-1.i [2024-11-07 23:14:19,326 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c93124a74/14307e6b83dd42428137d671ce8683e2/FLAG9643e074e [2024-11-07 23:14:19,340 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/c93124a74/14307e6b83dd42428137d671ce8683e2 [2024-11-07 23:14:19,342 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 23:14:19,343 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 23:14:19,345 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 23:14:19,345 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 23:14:19,348 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 23:14:19,349 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:14:19" (1/1) ... [2024-11-07 23:14:19,349 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42c7dae1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:14:19, skipping insertion in model container [2024-11-07 23:14:19,349 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:14:19" (1/1) ... [2024-11-07 23:14:19,383 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 23:14:19,693 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 23:14:19,699 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 23:14:19,755 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 23:14:19,785 INFO L204 MainTranslator]: Completed translation [2024-11-07 23:14:19,786 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:14:19 WrapperNode [2024-11-07 23:14:19,786 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 23:14:19,787 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 23:14:19,787 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 23:14:19,787 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 23:14:19,793 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:14:19" (1/1) ... [2024-11-07 23:14:19,811 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:14:19" (1/1) ... [2024-11-07 23:14:19,856 INFO L138 Inliner]: procedures = 176, calls = 170, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 805 [2024-11-07 23:14:19,857 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 23:14:19,857 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 23:14:19,857 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 23:14:19,857 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 23:14:19,864 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:14:19" (1/1) ... [2024-11-07 23:14:19,864 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:14:19" (1/1) ... [2024-11-07 23:14:19,874 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:14:19" (1/1) ... [2024-11-07 23:14:19,918 INFO L175 MemorySlicer]: Split 158 memory accesses to 2 slices as follows [2, 156]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 42 writes are split as follows [0, 42]. [2024-11-07 23:14:19,918 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:14:19" (1/1) ... [2024-11-07 23:14:19,918 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:14:19" (1/1) ... [2024-11-07 23:14:19,943 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:14:19" (1/1) ... [2024-11-07 23:14:19,952 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:14:19" (1/1) ... [2024-11-07 23:14:19,956 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:14:19" (1/1) ... [2024-11-07 23:14:19,962 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:14:19" (1/1) ... [2024-11-07 23:14:19,967 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 23:14:19,968 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 23:14:19,968 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 23:14:19,968 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 23:14:19,969 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:14:19" (1/1) ... [2024-11-07 23:14:19,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 23:14:19,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:14:19,995 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 23:14:19,998 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 23:14:20,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 23:14:20,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 23:14:20,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 23:14:20,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 23:14:20,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-07 23:14:20,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-07 23:14:20,031 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-07 23:14:20,031 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-07 23:14:20,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 23:14:20,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 23:14:20,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 23:14:20,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 23:14:20,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 23:14:20,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 23:14:20,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 23:14:20,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 23:14:20,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 23:14:20,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 23:14:20,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 23:14:20,158 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 23:14:20,160 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 23:14:20,966 INFO L? ?]: Removed 205 outVars from TransFormulas that were not future-live. [2024-11-07 23:14:20,966 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 23:14:20,974 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 23:14:20,974 INFO L316 CfgBuilder]: Removed 31 assume(true) statements. [2024-11-07 23:14:20,975 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:14:20 BoogieIcfgContainer [2024-11-07 23:14:20,975 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 23:14:20,977 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 23:14:20,977 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 23:14:20,980 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 23:14:20,981 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:14:19" (1/3) ... [2024-11-07 23:14:20,981 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1392e46e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:14:20, skipping insertion in model container [2024-11-07 23:14:20,981 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:14:19" (2/3) ... [2024-11-07 23:14:20,981 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1392e46e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:14:20, skipping insertion in model container [2024-11-07 23:14:20,981 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:14:20" (3/3) ... [2024-11-07 23:14:20,982 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_nondet_test1-1.i [2024-11-07 23:14:20,993 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 23:14:20,993 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-07 23:14:21,030 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 23:14:21,038 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;@70d8ab0a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 23:14:21,038 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-07 23:14:21,042 INFO L276 IsEmpty]: Start isEmpty. Operand has 223 states, 212 states have (on average 1.6132075471698113) internal successors, (342), 218 states have internal predecessors, (342), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 23:14:21,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-07 23:14:21,046 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:14:21,047 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-07 23:14:21,047 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:14:21,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:14:21,050 INFO L85 PathProgramCache]: Analyzing trace with hash 1363672333, now seen corresponding path program 1 times [2024-11-07 23:14:21,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:14:21,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627604465] [2024-11-07 23:14:21,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:14:21,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:14:21,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:14:21,197 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 23:14:21,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:14:21,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627604465] [2024-11-07 23:14:21,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627604465] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:14:21,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:14:21,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 23:14:21,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472949640] [2024-11-07 23:14:21,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:14:21,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 23:14:21,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:14:21,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 23:14:21,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 23:14:21,222 INFO L87 Difference]: Start difference. First operand has 223 states, 212 states have (on average 1.6132075471698113) internal successors, (342), 218 states have internal predecessors, (342), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:14:21,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:14:21,309 INFO L93 Difference]: Finished difference Result 641 states and 1013 transitions. [2024-11-07 23:14:21,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 23:14:21,312 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-07 23:14:21,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:14:21,320 INFO L225 Difference]: With dead ends: 641 [2024-11-07 23:14:21,320 INFO L226 Difference]: Without dead ends: 413 [2024-11-07 23:14:21,324 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 23:14:21,326 INFO L432 NwaCegarLoop]: 307 mSDtfsCounter, 278 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 23:14:21,328 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [281 Valid, 610 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 23:14:21,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2024-11-07 23:14:21,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 216. [2024-11-07 23:14:21,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 206 states have (on average 1.4466019417475728) internal successors, (298), 211 states have internal predecessors, (298), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 23:14:21,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 304 transitions. [2024-11-07 23:14:21,374 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 304 transitions. Word has length 6 [2024-11-07 23:14:21,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:14:21,374 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 304 transitions. [2024-11-07 23:14:21,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:14:21,374 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 304 transitions. [2024-11-07 23:14:21,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-07 23:14:21,375 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:14:21,375 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-07 23:14:21,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 23:14:21,375 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 23:14:21,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:14:21,376 INFO L85 PathProgramCache]: Analyzing trace with hash 1362998889, now seen corresponding path program 1 times [2024-11-07 23:14:21,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:14:21,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901449348] [2024-11-07 23:14:21,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:14:21,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:14:21,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:14:21,558 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 23:14:21,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:14:21,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901449348] [2024-11-07 23:14:21,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901449348] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:14:21,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:14:21,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 23:14:21,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195278929] [2024-11-07 23:14:21,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:14:21,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 23:14:21,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:14:21,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 23:14:21,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 23:14:21,560 INFO L87 Difference]: Start difference. First operand 216 states and 304 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:14:21,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:14:21,594 INFO L93 Difference]: Finished difference Result 221 states and 310 transitions. [2024-11-07 23:14:21,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 23:14:21,596 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-07 23:14:21,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:14:21,598 INFO L225 Difference]: With dead ends: 221 [2024-11-07 23:14:21,598 INFO L226 Difference]: Without dead ends: 220 [2024-11-07 23:14:21,599 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 23:14:21,601 INFO L432 NwaCegarLoop]: 300 mSDtfsCounter, 2 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 23:14:21,601 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 596 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 23:14:21,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2024-11-07 23:14:21,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 219. [2024-11-07 23:14:21,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 209 states have (on average 1.4401913875598087) internal successors, (301), 214 states have internal predecessors, (301), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 23:14:21,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 307 transitions. [2024-11-07 23:14:21,618 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 307 transitions. Word has length 6 [2024-11-07 23:14:21,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:14:21,618 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 307 transitions. [2024-11-07 23:14:21,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:14:21,619 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 307 transitions. [2024-11-07 23:14:21,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-07 23:14:21,619 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:14:21,619 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:14:21,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 23:14:21,619 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:14:21,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:14:21,619 INFO L85 PathProgramCache]: Analyzing trace with hash -696707334, now seen corresponding path program 1 times [2024-11-07 23:14:21,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:14:21,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402451955] [2024-11-07 23:14:21,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:14:21,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:14:21,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:14:21,719 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 23:14:21,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:14:21,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402451955] [2024-11-07 23:14:21,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402451955] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:14:21,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:14:21,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 23:14:21,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474356160] [2024-11-07 23:14:21,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:14:21,720 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 23:14:21,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:14:21,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 23:14:21,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 23:14:21,720 INFO L87 Difference]: Start difference. First operand 219 states and 307 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:14:21,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:14:21,746 INFO L93 Difference]: Finished difference Result 221 states and 309 transitions. [2024-11-07 23:14:21,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 23:14:21,746 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-07 23:14:21,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:14:21,748 INFO L225 Difference]: With dead ends: 221 [2024-11-07 23:14:21,748 INFO L226 Difference]: Without dead ends: 220 [2024-11-07 23:14:21,748 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 23:14:21,748 INFO L432 NwaCegarLoop]: 301 mSDtfsCounter, 0 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 597 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 23:14:21,749 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 597 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 23:14:21,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2024-11-07 23:14:21,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 220. [2024-11-07 23:14:21,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 210 states have (on average 1.438095238095238) internal successors, (302), 215 states have internal predecessors, (302), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 23:14:21,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 308 transitions. [2024-11-07 23:14:21,765 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 308 transitions. Word has length 7 [2024-11-07 23:14:21,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:14:21,766 INFO L471 AbstractCegarLoop]: Abstraction has 220 states and 308 transitions. [2024-11-07 23:14:21,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:14:21,767 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 308 transitions. [2024-11-07 23:14:21,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-07 23:14:21,771 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:14:21,771 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:14:21,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 23:14:21,772 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:14:21,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:14:21,774 INFO L85 PathProgramCache]: Analyzing trace with hash 34814661, now seen corresponding path program 1 times [2024-11-07 23:14:21,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:14:21,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244722557] [2024-11-07 23:14:21,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:14:21,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:14:21,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:14:22,054 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 23:14:22,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:14:22,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244722557] [2024-11-07 23:14:22,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244722557] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:14:22,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:14:22,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 23:14:22,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715039759] [2024-11-07 23:14:22,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:14:22,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 23:14:22,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:14:22,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 23:14:22,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 23:14:22,055 INFO L87 Difference]: Start difference. First operand 220 states and 308 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:14:22,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:14:22,137 INFO L93 Difference]: Finished difference Result 436 states and 612 transitions. [2024-11-07 23:14:22,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 23:14:22,137 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2024-11-07 23:14:22,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:14:22,138 INFO L225 Difference]: With dead ends: 436 [2024-11-07 23:14:22,138 INFO L226 Difference]: Without dead ends: 223 [2024-11-07 23:14:22,139 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 23:14:22,140 INFO L432 NwaCegarLoop]: 275 mSDtfsCounter, 87 mSDsluCounter, 720 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 995 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 23:14:22,140 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 995 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 23:14:22,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2024-11-07 23:14:22,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 220. [2024-11-07 23:14:22,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 210 states have (on average 1.4047619047619047) internal successors, (295), 215 states have internal predecessors, (295), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 23:14:22,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 301 transitions. [2024-11-07 23:14:22,149 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 301 transitions. Word has length 80 [2024-11-07 23:14:22,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:14:22,150 INFO L471 AbstractCegarLoop]: Abstraction has 220 states and 301 transitions. [2024-11-07 23:14:22,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:14:22,150 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 301 transitions. [2024-11-07 23:14:22,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-07 23:14:22,151 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:14:22,152 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:14:22,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 23:14:22,152 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:14:22,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:14:22,152 INFO L85 PathProgramCache]: Analyzing trace with hash 603954361, now seen corresponding path program 1 times [2024-11-07 23:14:22,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:14:22,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904598155] [2024-11-07 23:14:22,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:14:22,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:14:22,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:14:22,290 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 23:14:22,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:14:22,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904598155] [2024-11-07 23:14:22,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904598155] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:14:22,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:14:22,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 23:14:22,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724887675] [2024-11-07 23:14:22,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:14:22,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 23:14:22,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:14:22,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 23:14:22,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 23:14:22,292 INFO L87 Difference]: Start difference. First operand 220 states and 301 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:14:22,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:14:22,329 INFO L93 Difference]: Finished difference Result 439 states and 604 transitions. [2024-11-07 23:14:22,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 23:14:22,329 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2024-11-07 23:14:22,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:14:22,330 INFO L225 Difference]: With dead ends: 439 [2024-11-07 23:14:22,330 INFO L226 Difference]: Without dead ends: 226 [2024-11-07 23:14:22,331 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 23:14:22,331 INFO L432 NwaCegarLoop]: 290 mSDtfsCounter, 1 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 23:14:22,332 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 558 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 23:14:22,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2024-11-07 23:14:22,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226. [2024-11-07 23:14:22,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 216 states have (on average 1.3935185185185186) internal successors, (301), 221 states have internal predecessors, (301), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 23:14:22,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 307 transitions. [2024-11-07 23:14:22,337 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 307 transitions. Word has length 80 [2024-11-07 23:14:22,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:14:22,337 INFO L471 AbstractCegarLoop]: Abstraction has 226 states and 307 transitions. [2024-11-07 23:14:22,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:14:22,338 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 307 transitions. [2024-11-07 23:14:22,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-07 23:14:22,339 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:14:22,339 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:14:22,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 23:14:22,340 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:14:22,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:14:22,340 INFO L85 PathProgramCache]: Analyzing trace with hash 1085034619, now seen corresponding path program 1 times [2024-11-07 23:14:22,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:14:22,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486646915] [2024-11-07 23:14:22,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:14:22,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:14:22,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:14:22,445 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 23:14:22,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:14:22,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486646915] [2024-11-07 23:14:22,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486646915] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:14:22,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:14:22,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 23:14:22,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962980190] [2024-11-07 23:14:22,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:14:22,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 23:14:22,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:14:22,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 23:14:22,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 23:14:22,446 INFO L87 Difference]: Start difference. First operand 226 states and 307 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:14:22,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:14:22,481 INFO L93 Difference]: Finished difference Result 578 states and 800 transitions. [2024-11-07 23:14:22,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 23:14:22,482 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2024-11-07 23:14:22,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:14:22,484 INFO L225 Difference]: With dead ends: 578 [2024-11-07 23:14:22,484 INFO L226 Difference]: Without dead ends: 359 [2024-11-07 23:14:22,484 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 23:14:22,485 INFO L432 NwaCegarLoop]: 295 mSDtfsCounter, 134 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 582 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 23:14:22,485 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 582 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 23:14:22,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2024-11-07 23:14:22,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 359. [2024-11-07 23:14:22,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 349 states have (on average 1.4126074498567336) internal successors, (493), 354 states have internal predecessors, (493), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 23:14:22,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 499 transitions. [2024-11-07 23:14:22,509 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 499 transitions. Word has length 80 [2024-11-07 23:14:22,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:14:22,510 INFO L471 AbstractCegarLoop]: Abstraction has 359 states and 499 transitions. [2024-11-07 23:14:22,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:14:22,510 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 499 transitions. [2024-11-07 23:14:22,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-07 23:14:22,512 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:14:22,512 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:14:22,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 23:14:22,512 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:14:22,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:14:22,512 INFO L85 PathProgramCache]: Analyzing trace with hash 1466582218, now seen corresponding path program 1 times [2024-11-07 23:14:22,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:14:22,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707461742] [2024-11-07 23:14:22,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:14:22,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:14:22,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:14:22,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 23:14:22,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:14:22,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-07 23:14:22,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:14:22,758 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 23:14:22,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:14:22,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707461742] [2024-11-07 23:14:22,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707461742] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:14:22,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:14:22,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 23:14:22,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719266670] [2024-11-07 23:14:22,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:14:22,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 23:14:22,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:14:22,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 23:14:22,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 23:14:22,761 INFO L87 Difference]: Start difference. First operand 359 states and 499 transitions. Second operand has 5 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 23:14:22,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:14:22,924 INFO L93 Difference]: Finished difference Result 428 states and 594 transitions. [2024-11-07 23:14:22,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 23:14:22,924 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 95 [2024-11-07 23:14:22,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:14:22,927 INFO L225 Difference]: With dead ends: 428 [2024-11-07 23:14:22,930 INFO L226 Difference]: Without dead ends: 426 [2024-11-07 23:14:22,930 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 23:14:22,931 INFO L432 NwaCegarLoop]: 290 mSDtfsCounter, 189 mSDsluCounter, 818 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 1108 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 23:14:22,931 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 1108 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 23:14:22,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2024-11-07 23:14:22,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 423. [2024-11-07 23:14:22,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 410 states have (on average 1.3926829268292682) internal successors, (571), 415 states have internal predecessors, (571), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 23:14:22,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 583 transitions. [2024-11-07 23:14:22,943 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 583 transitions. Word has length 95 [2024-11-07 23:14:22,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:14:22,944 INFO L471 AbstractCegarLoop]: Abstraction has 423 states and 583 transitions. [2024-11-07 23:14:22,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 23:14:22,944 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 583 transitions. [2024-11-07 23:14:22,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-07 23:14:22,946 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:14:22,946 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:14:22,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 23:14:22,946 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:14:22,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:14:22,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1224396636, now seen corresponding path program 1 times [2024-11-07 23:14:22,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:14:22,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97017335] [2024-11-07 23:14:22,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:14:22,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:14:23,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:14:23,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 23:14:23,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:14:23,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-07 23:14:23,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:14:23,195 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 23:14:23,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:14:23,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97017335] [2024-11-07 23:14:23,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97017335] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:14:23,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [899484602] [2024-11-07 23:14:23,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:14:23,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:14:23,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:14:23,198 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 23:14:23,200 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-07 23:14:23,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:14:23,440 INFO L255 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 23:14:23,446 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:14:23,618 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 23:14:23,618 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 23:14:23,785 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 23:14:23,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [899484602] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 23:14:23,786 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 23:14:23,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2024-11-07 23:14:23,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074955556] [2024-11-07 23:14:23,786 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 23:14:23,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 23:14:23,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:14:23,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 23:14:23,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-07 23:14:23,790 INFO L87 Difference]: Start difference. First operand 423 states and 583 transitions. Second operand has 11 states, 11 states have (on average 24.09090909090909) internal successors, (265), 10 states have internal predecessors, (265), 3 states have call successors, (6), 2 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 23:14:24,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:14:24,118 INFO L93 Difference]: Finished difference Result 641 states and 893 transitions. [2024-11-07 23:14:24,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 23:14:24,118 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 24.09090909090909) internal successors, (265), 10 states have internal predecessors, (265), 3 states have call successors, (6), 2 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 100 [2024-11-07 23:14:24,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:14:24,121 INFO L225 Difference]: With dead ends: 641 [2024-11-07 23:14:24,121 INFO L226 Difference]: Without dead ends: 633 [2024-11-07 23:14:24,122 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-07 23:14:24,122 INFO L432 NwaCegarLoop]: 375 mSDtfsCounter, 920 mSDsluCounter, 2308 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 934 SdHoareTripleChecker+Valid, 2683 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 23:14:24,122 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [934 Valid, 2683 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 23:14:24,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2024-11-07 23:14:24,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 628. [2024-11-07 23:14:24,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 628 states, 612 states have (on average 1.3937908496732025) internal successors, (853), 617 states have internal predecessors, (853), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-07 23:14:24,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 871 transitions. [2024-11-07 23:14:24,148 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 871 transitions. Word has length 100 [2024-11-07 23:14:24,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:14:24,148 INFO L471 AbstractCegarLoop]: Abstraction has 628 states and 871 transitions. [2024-11-07 23:14:24,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 24.09090909090909) internal successors, (265), 10 states have internal predecessors, (265), 3 states have call successors, (6), 2 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 23:14:24,149 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 871 transitions. [2024-11-07 23:14:24,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-07 23:14:24,149 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:14:24,149 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:14:24,165 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-07 23:14:24,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:14:24,350 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:14:24,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:14:24,351 INFO L85 PathProgramCache]: Analyzing trace with hash 1223723192, now seen corresponding path program 1 times [2024-11-07 23:14:24,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:14:24,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121301864] [2024-11-07 23:14:24,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:14:24,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:14:24,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:14:24,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 23:14:24,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:14:24,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-07 23:14:24,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:14:24,826 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 23:14:24,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:14:24,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121301864] [2024-11-07 23:14:24,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121301864] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:14:24,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1796181650] [2024-11-07 23:14:24,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:14:24,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:14:24,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:14:24,829 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 23:14:24,830 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-07 23:14:25,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:14:25,041 INFO L255 TraceCheckSpWp]: Trace formula consists of 577 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-07 23:14:25,045 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:14:25,242 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 23:14:25,242 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 23:14:25,405 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 23:14:25,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1796181650] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 23:14:25,406 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 23:14:25,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 13 [2024-11-07 23:14:25,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357066777] [2024-11-07 23:14:25,406 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 23:14:25,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 23:14:25,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:14:25,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 23:14:25,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2024-11-07 23:14:25,408 INFO L87 Difference]: Start difference. First operand 628 states and 871 transitions. Second operand has 14 states, 13 states have (on average 14.692307692307692) internal successors, (191), 13 states have internal predecessors, (191), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 23:14:25,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:14:25,679 INFO L93 Difference]: Finished difference Result 847 states and 1187 transitions. [2024-11-07 23:14:25,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 23:14:25,680 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 14.692307692307692) internal successors, (191), 13 states have internal predecessors, (191), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 100 [2024-11-07 23:14:25,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:14:25,684 INFO L225 Difference]: With dead ends: 847 [2024-11-07 23:14:25,684 INFO L226 Difference]: Without dead ends: 846 [2024-11-07 23:14:25,685 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2024-11-07 23:14:25,685 INFO L432 NwaCegarLoop]: 331 mSDtfsCounter, 847 mSDsluCounter, 2618 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 857 SdHoareTripleChecker+Valid, 2949 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 23:14:25,686 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [857 Valid, 2949 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 23:14:25,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 846 states. [2024-11-07 23:14:25,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 846 to 835. [2024-11-07 23:14:25,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 835 states, 816 states have (on average 1.3933823529411764) internal successors, (1137), 821 states have internal predecessors, (1137), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-07 23:14:25,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 835 states and 1161 transitions. [2024-11-07 23:14:25,711 INFO L78 Accepts]: Start accepts. Automaton has 835 states and 1161 transitions. Word has length 100 [2024-11-07 23:14:25,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:14:25,712 INFO L471 AbstractCegarLoop]: Abstraction has 835 states and 1161 transitions. [2024-11-07 23:14:25,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 14.692307692307692) internal successors, (191), 13 states have internal predecessors, (191), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 23:14:25,712 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1161 transitions. [2024-11-07 23:14:25,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-07 23:14:25,715 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:14:25,715 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:14:25,729 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-07 23:14:25,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:14:25,916 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:14:25,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:14:25,916 INFO L85 PathProgramCache]: Analyzing trace with hash -719286645, now seen corresponding path program 1 times [2024-11-07 23:14:25,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:14:25,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185795489] [2024-11-07 23:14:25,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:14:25,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:14:25,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:14:26,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 23:14:26,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:14:26,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-07 23:14:26,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:14:26,383 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 23:14:26,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:14:26,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185795489] [2024-11-07 23:14:26,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185795489] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:14:26,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [829952594] [2024-11-07 23:14:26,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:14:26,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:14:26,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:14:26,386 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 23:14:26,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-07 23:14:26,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:14:26,609 INFO L255 TraceCheckSpWp]: Trace formula consists of 578 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-07 23:14:26,612 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:14:26,771 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 23:14:26,772 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 23:14:26,919 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 23:14:26,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [829952594] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 23:14:26,919 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 23:14:26,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 13 [2024-11-07 23:14:26,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230155639] [2024-11-07 23:14:26,920 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 23:14:26,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 23:14:26,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:14:26,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 23:14:26,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2024-11-07 23:14:26,921 INFO L87 Difference]: Start difference. First operand 835 states and 1161 transitions. Second operand has 14 states, 13 states have (on average 14.923076923076923) internal successors, (194), 13 states have internal predecessors, (194), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 23:14:27,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:14:27,149 INFO L93 Difference]: Finished difference Result 847 states and 1184 transitions. [2024-11-07 23:14:27,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 23:14:27,150 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 14.923076923076923) internal successors, (194), 13 states have internal predecessors, (194), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 101 [2024-11-07 23:14:27,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:14:27,153 INFO L225 Difference]: With dead ends: 847 [2024-11-07 23:14:27,153 INFO L226 Difference]: Without dead ends: 846 [2024-11-07 23:14:27,154 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2024-11-07 23:14:27,155 INFO L432 NwaCegarLoop]: 332 mSDtfsCounter, 797 mSDsluCounter, 2098 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 807 SdHoareTripleChecker+Valid, 2430 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 23:14:27,155 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [807 Valid, 2430 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 23:14:27,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 846 states. [2024-11-07 23:14:27,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 846 to 836. [2024-11-07 23:14:27,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 836 states, 817 states have (on average 1.390452876376989) internal successors, (1136), 822 states have internal predecessors, (1136), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-07 23:14:27,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 836 states and 1160 transitions. [2024-11-07 23:14:27,182 INFO L78 Accepts]: Start accepts. Automaton has 836 states and 1160 transitions. Word has length 101 [2024-11-07 23:14:27,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:14:27,182 INFO L471 AbstractCegarLoop]: Abstraction has 836 states and 1160 transitions. [2024-11-07 23:14:27,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 14.923076923076923) internal successors, (194), 13 states have internal predecessors, (194), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 23:14:27,183 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1160 transitions. [2024-11-07 23:14:27,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-07 23:14:27,184 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:14:27,184 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:14:27,198 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-07 23:14:27,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:14:27,385 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 23:14:27,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:14:27,386 INFO L85 PathProgramCache]: Analyzing trace with hash 61854730, now seen corresponding path program 1 times [2024-11-07 23:14:27,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:14:27,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485873382] [2024-11-07 23:14:27,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:14:27,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:14:27,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:14:27,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 23:14:27,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:14:27,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-07 23:14:27,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:14:27,708 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 23:14:27,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:14:27,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485873382] [2024-11-07 23:14:27,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485873382] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:14:27,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [653627747] [2024-11-07 23:14:27,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:14:27,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:14:27,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:14:27,711 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 23:14:27,712 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-07 23:14:27,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:14:27,991 INFO L255 TraceCheckSpWp]: Trace formula consists of 903 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 23:14:27,995 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:14:28,153 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 23:14:28,153 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 23:14:28,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [653627747] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:14:28,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 23:14:28,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 8 [2024-11-07 23:14:28,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064881075] [2024-11-07 23:14:28,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:14:28,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 23:14:28,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:14:28,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 23:14:28,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-07 23:14:28,155 INFO L87 Difference]: Start difference. First operand 836 states and 1160 transitions. Second operand has 6 states, 5 states have (on average 33.4) internal successors, (167), 6 states have internal predecessors, (167), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 23:14:28,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:14:28,201 INFO L93 Difference]: Finished difference Result 836 states and 1160 transitions. [2024-11-07 23:14:28,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 23:14:28,202 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 33.4) internal successors, (167), 6 states have internal predecessors, (167), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 174 [2024-11-07 23:14:28,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:14:28,205 INFO L225 Difference]: With dead ends: 836 [2024-11-07 23:14:28,205 INFO L226 Difference]: Without dead ends: 835 [2024-11-07 23:14:28,205 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-07 23:14:28,206 INFO L432 NwaCegarLoop]: 558 mSDtfsCounter, 383 mSDsluCounter, 839 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 387 SdHoareTripleChecker+Valid, 1397 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 23:14:28,206 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [387 Valid, 1397 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 23:14:28,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 835 states. [2024-11-07 23:14:28,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 835 to 835. [2024-11-07 23:14:28,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 835 states, 817 states have (on average 1.386780905752754) internal successors, (1133), 821 states have internal predecessors, (1133), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-07 23:14:28,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 835 states and 1157 transitions. [2024-11-07 23:14:28,222 INFO L78 Accepts]: Start accepts. Automaton has 835 states and 1157 transitions. Word has length 174 [2024-11-07 23:14:28,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:14:28,223 INFO L471 AbstractCegarLoop]: Abstraction has 835 states and 1157 transitions. [2024-11-07 23:14:28,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 33.4) internal successors, (167), 6 states have internal predecessors, (167), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 23:14:28,223 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1157 transitions. [2024-11-07 23:14:28,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2024-11-07 23:14:28,241 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:14:28,241 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:14:28,258 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-07 23:14:28,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-07 23:14:28,442 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:14:28,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:14:28,443 INFO L85 PathProgramCache]: Analyzing trace with hash 837795729, now seen corresponding path program 1 times [2024-11-07 23:14:28,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:14:28,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014499777] [2024-11-07 23:14:28,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:14:28,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:14:28,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:14:28,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 23:14:28,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:14:28,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-07 23:14:28,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:14:28,704 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-11-07 23:14:28,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:14:28,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014499777] [2024-11-07 23:14:28,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014499777] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:14:28,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:14:28,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 23:14:28,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082155298] [2024-11-07 23:14:28,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:14:28,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 23:14:28,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:14:28,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 23:14:28,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 23:14:28,706 INFO L87 Difference]: Start difference. First operand 835 states and 1157 transitions. Second operand has 5 states, 4 states have (on average 42.75) internal successors, (171), 4 states have internal predecessors, (171), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 23:14:28,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:14:28,880 INFO L93 Difference]: Finished difference Result 838 states and 1172 transitions. [2024-11-07 23:14:28,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 23:14:28,880 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 42.75) internal successors, (171), 4 states have internal predecessors, (171), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 254 [2024-11-07 23:14:28,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:14:28,883 INFO L225 Difference]: With dead ends: 838 [2024-11-07 23:14:28,884 INFO L226 Difference]: Without dead ends: 837 [2024-11-07 23:14:28,884 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 23:14:28,885 INFO L432 NwaCegarLoop]: 288 mSDtfsCounter, 198 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 830 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 23:14:28,885 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 830 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 23:14:28,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 837 states. [2024-11-07 23:14:28,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 837 to 834. [2024-11-07 23:14:28,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 834 states, 817 states have (on average 1.3843329253365972) internal successors, (1131), 820 states have internal predecessors, (1131), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-07 23:14:28,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 834 states and 1155 transitions. [2024-11-07 23:14:28,909 INFO L78 Accepts]: Start accepts. Automaton has 834 states and 1155 transitions. Word has length 254 [2024-11-07 23:14:28,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:14:28,910 INFO L471 AbstractCegarLoop]: Abstraction has 834 states and 1155 transitions. [2024-11-07 23:14:28,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 42.75) internal successors, (171), 4 states have internal predecessors, (171), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 23:14:28,910 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1155 transitions. [2024-11-07 23:14:28,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2024-11-07 23:14:28,913 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:14:28,913 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:14:28,914 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 23:14:28,914 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:14:28,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:14:28,915 INFO L85 PathProgramCache]: Analyzing trace with hash 773338972, now seen corresponding path program 1 times [2024-11-07 23:14:28,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:14:28,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679670480] [2024-11-07 23:14:28,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:14:28,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:14:29,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:14:29,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 23:14:29,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:14:29,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-07 23:14:29,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:14:29,417 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 236 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 23:14:29,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:14:29,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679670480] [2024-11-07 23:14:29,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679670480] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:14:29,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1797805314] [2024-11-07 23:14:29,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:14:29,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:14:29,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:14:29,421 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 23:14:29,423 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-07 23:14:29,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:14:29,824 INFO L255 TraceCheckSpWp]: Trace formula consists of 1285 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-07 23:14:29,828 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:14:30,062 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 236 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 23:14:30,062 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 23:14:30,401 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 236 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 23:14:30,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1797805314] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 23:14:30,402 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 23:14:30,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 19 [2024-11-07 23:14:30,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304084867] [2024-11-07 23:14:30,402 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 23:14:30,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-07 23:14:30,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:14:30,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-07 23:14:30,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2024-11-07 23:14:30,404 INFO L87 Difference]: Start difference. First operand 834 states and 1155 transitions. Second operand has 19 states, 19 states have (on average 30.57894736842105) internal successors, (581), 18 states have internal predecessors, (581), 3 states have call successors, (6), 2 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 23:14:30,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:14:30,794 INFO L93 Difference]: Finished difference Result 1456 states and 2041 transitions. [2024-11-07 23:14:30,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-07 23:14:30,795 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 30.57894736842105) internal successors, (581), 18 states have internal predecessors, (581), 3 states have call successors, (6), 2 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 258 [2024-11-07 23:14:30,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:14:30,800 INFO L225 Difference]: With dead ends: 1456 [2024-11-07 23:14:30,800 INFO L226 Difference]: Without dead ends: 1449 [2024-11-07 23:14:30,800 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 527 GetRequests, 510 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2024-11-07 23:14:30,801 INFO L432 NwaCegarLoop]: 417 mSDtfsCounter, 3076 mSDsluCounter, 3148 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3114 SdHoareTripleChecker+Valid, 3565 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 23:14:30,801 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3114 Valid, 3565 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 23:14:30,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1449 states. [2024-11-07 23:14:30,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1449 to 1442. [2024-11-07 23:14:30,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1442 states, 1416 states have (on average 1.387005649717514) internal successors, (1964), 1419 states have internal predecessors, (1964), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-07 23:14:30,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1442 states to 1442 states and 2006 transitions. [2024-11-07 23:14:30,834 INFO L78 Accepts]: Start accepts. Automaton has 1442 states and 2006 transitions. Word has length 258 [2024-11-07 23:14:30,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:14:30,835 INFO L471 AbstractCegarLoop]: Abstraction has 1442 states and 2006 transitions. [2024-11-07 23:14:30,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 30.57894736842105) internal successors, (581), 18 states have internal predecessors, (581), 3 states have call successors, (6), 2 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 23:14:30,836 INFO L276 IsEmpty]: Start isEmpty. Operand 1442 states and 2006 transitions. [2024-11-07 23:14:30,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2024-11-07 23:14:30,839 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:14:30,840 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:14:30,856 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-07 23:14:31,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-07 23:14:31,040 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:14:31,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:14:31,041 INFO L85 PathProgramCache]: Analyzing trace with hash -660072072, now seen corresponding path program 1 times [2024-11-07 23:14:31,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:14:31,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207422808] [2024-11-07 23:14:31,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:14:31,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:14:31,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:14:33,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 23:14:33,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:14:33,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-07 23:14:33,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:14:33,081 INFO L134 CoverageAnalysis]: Checked inductivity of 488 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 23:14:33,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:14:33,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207422808] [2024-11-07 23:14:33,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207422808] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:14:33,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [398644823] [2024-11-07 23:14:33,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:14:33,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:14:33,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:14:33,083 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 23:14:33,085 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-07 23:14:33,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:14:33,629 INFO L255 TraceCheckSpWp]: Trace formula consists of 1687 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-07 23:14:33,637 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:14:34,110 INFO L134 CoverageAnalysis]: Checked inductivity of 488 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 23:14:34,110 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 23:14:34,566 INFO L134 CoverageAnalysis]: Checked inductivity of 488 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 23:14:34,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [398644823] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 23:14:34,566 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 23:14:34,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 28 [2024-11-07 23:14:34,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110068970] [2024-11-07 23:14:34,567 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 23:14:34,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-07 23:14:34,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:14:34,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-07 23:14:34,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=260, Invalid=552, Unknown=0, NotChecked=0, Total=812 [2024-11-07 23:14:34,570 INFO L87 Difference]: Start difference. First operand 1442 states and 2006 transitions. Second operand has 29 states, 28 states have (on average 24.071428571428573) internal successors, (674), 28 states have internal predecessors, (674), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 23:14:35,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:14:35,131 INFO L93 Difference]: Finished difference Result 2074 states and 2924 transitions. [2024-11-07 23:14:35,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-07 23:14:35,131 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 24.071428571428573) internal successors, (674), 28 states have internal predecessors, (674), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 337 [2024-11-07 23:14:35,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:14:35,139 INFO L225 Difference]: With dead ends: 2074 [2024-11-07 23:14:35,139 INFO L226 Difference]: Without dead ends: 2073 [2024-11-07 23:14:35,141 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 692 GetRequests, 660 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 389 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=340, Invalid=782, Unknown=0, NotChecked=0, Total=1122 [2024-11-07 23:14:35,141 INFO L432 NwaCegarLoop]: 372 mSDtfsCounter, 3143 mSDsluCounter, 4577 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3189 SdHoareTripleChecker+Valid, 4949 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 23:14:35,141 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3189 Valid, 4949 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 23:14:35,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2073 states. [2024-11-07 23:14:35,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2073 to 2057. [2024-11-07 23:14:35,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2057 states, 2022 states have (on average 1.3872403560830862) internal successors, (2805), 2025 states have internal predecessors, (2805), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-07 23:14:35,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2057 states to 2057 states and 2865 transitions. [2024-11-07 23:14:35,203 INFO L78 Accepts]: Start accepts. Automaton has 2057 states and 2865 transitions. Word has length 337 [2024-11-07 23:14:35,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:14:35,204 INFO L471 AbstractCegarLoop]: Abstraction has 2057 states and 2865 transitions. [2024-11-07 23:14:35,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 24.071428571428573) internal successors, (674), 28 states have internal predecessors, (674), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 23:14:35,205 INFO L276 IsEmpty]: Start isEmpty. Operand 2057 states and 2865 transitions. [2024-11-07 23:14:35,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2024-11-07 23:14:35,209 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:14:35,210 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:14:35,229 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-07 23:14:35,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-07 23:14:35,414 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:14:35,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:14:35,415 INFO L85 PathProgramCache]: Analyzing trace with hash 1012602315, now seen corresponding path program 1 times [2024-11-07 23:14:35,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:14:35,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968937708] [2024-11-07 23:14:35,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:14:35,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:14:35,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:14:37,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 23:14:37,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:14:37,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-07 23:14:37,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:14:37,027 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 0 proven. 488 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 23:14:37,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:14:37,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968937708] [2024-11-07 23:14:37,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968937708] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:14:37,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [404623707] [2024-11-07 23:14:37,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:14:37,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:14:37,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:14:37,029 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 23:14:37,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-07 23:14:37,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:14:37,532 INFO L255 TraceCheckSpWp]: Trace formula consists of 1688 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-07 23:14:37,538 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:14:37,888 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 0 proven. 488 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 23:14:37,888 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 23:14:38,219 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 0 proven. 488 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 23:14:38,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [404623707] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 23:14:38,219 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 23:14:38,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 28 [2024-11-07 23:14:38,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637343152] [2024-11-07 23:14:38,220 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 23:14:38,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-07 23:14:38,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:14:38,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-07 23:14:38,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=260, Invalid=552, Unknown=0, NotChecked=0, Total=812 [2024-11-07 23:14:38,221 INFO L87 Difference]: Start difference. First operand 2057 states and 2865 transitions. Second operand has 29 states, 28 states have (on average 24.178571428571427) internal successors, (677), 28 states have internal predecessors, (677), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 23:14:38,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:14:38,753 INFO L93 Difference]: Finished difference Result 2074 states and 2918 transitions. [2024-11-07 23:14:38,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-07 23:14:38,754 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 24.178571428571427) internal successors, (677), 28 states have internal predecessors, (677), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 338 [2024-11-07 23:14:38,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:14:38,761 INFO L225 Difference]: With dead ends: 2074 [2024-11-07 23:14:38,761 INFO L226 Difference]: Without dead ends: 2073 [2024-11-07 23:14:38,763 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 694 GetRequests, 662 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 389 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=340, Invalid=782, Unknown=0, NotChecked=0, Total=1122 [2024-11-07 23:14:38,763 INFO L432 NwaCegarLoop]: 459 mSDtfsCounter, 4846 mSDsluCounter, 5927 mSDsCounter, 0 mSdLazyCounter, 301 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4892 SdHoareTripleChecker+Valid, 6386 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 23:14:38,764 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4892 Valid, 6386 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 301 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 23:14:38,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2073 states. [2024-11-07 23:14:38,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2073 to 2058. [2024-11-07 23:14:38,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2058 states, 2023 states have (on average 1.384577360355907) internal successors, (2801), 2026 states have internal predecessors, (2801), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-07 23:14:38,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2058 states to 2058 states and 2861 transitions. [2024-11-07 23:14:38,802 INFO L78 Accepts]: Start accepts. Automaton has 2058 states and 2861 transitions. Word has length 338 [2024-11-07 23:14:38,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:14:38,802 INFO L471 AbstractCegarLoop]: Abstraction has 2058 states and 2861 transitions. [2024-11-07 23:14:38,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 24.178571428571427) internal successors, (677), 28 states have internal predecessors, (677), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 23:14:38,803 INFO L276 IsEmpty]: Start isEmpty. Operand 2058 states and 2861 transitions. [2024-11-07 23:14:38,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 575 [2024-11-07 23:14:38,810 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:14:38,810 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:14:38,827 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-07 23:14:39,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:14:39,014 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:14:39,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:14:39,014 INFO L85 PathProgramCache]: Analyzing trace with hash 354486108, now seen corresponding path program 2 times [2024-11-07 23:14:39,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:14:39,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804073604] [2024-11-07 23:14:39,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:14:39,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:14:39,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:14:40,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 23:14:40,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:14:40,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-07 23:14:40,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:14:40,374 INFO L134 CoverageAnalysis]: Checked inductivity of 1658 backedges. 0 proven. 1654 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 23:14:40,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:14:40,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804073604] [2024-11-07 23:14:40,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804073604] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:14:40,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1898916091] [2024-11-07 23:14:40,375 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 23:14:40,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:14:40,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:14:40,376 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 23:14:40,377 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-07 23:14:41,109 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 23:14:41,109 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 23:14:41,121 INFO L255 TraceCheckSpWp]: Trace formula consists of 2765 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-07 23:14:41,130 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:14:41,525 INFO L134 CoverageAnalysis]: Checked inductivity of 1658 backedges. 0 proven. 1654 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 23:14:41,525 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 23:14:41,996 INFO L134 CoverageAnalysis]: Checked inductivity of 1658 backedges. 0 proven. 1654 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 23:14:41,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1898916091] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 23:14:41,996 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 23:14:41,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 17] total 24 [2024-11-07 23:14:41,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770190370] [2024-11-07 23:14:41,996 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 23:14:41,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-07 23:14:41,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:14:41,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-07 23:14:41,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=407, Unknown=0, NotChecked=0, Total=552 [2024-11-07 23:14:41,998 INFO L87 Difference]: Start difference. First operand 2058 states and 2861 transitions. Second operand has 24 states, 24 states have (on average 34.208333333333336) internal successors, (821), 23 states have internal predecessors, (821), 3 states have call successors, (6), 2 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 23:14:42,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:14:42,384 INFO L93 Difference]: Finished difference Result 2068 states and 2901 transitions. [2024-11-07 23:14:42,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-07 23:14:42,385 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 34.208333333333336) internal successors, (821), 23 states have internal predecessors, (821), 3 states have call successors, (6), 2 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 574 [2024-11-07 23:14:42,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:14:42,391 INFO L225 Difference]: With dead ends: 2068 [2024-11-07 23:14:42,391 INFO L226 Difference]: Without dead ends: 2061 [2024-11-07 23:14:42,392 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1167 GetRequests, 1134 SyntacticMatches, 11 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 323 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=145, Invalid=407, Unknown=0, NotChecked=0, Total=552 [2024-11-07 23:14:42,393 INFO L432 NwaCegarLoop]: 374 mSDtfsCounter, 3353 mSDsluCounter, 4119 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3405 SdHoareTripleChecker+Valid, 4493 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 23:14:42,393 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3405 Valid, 4493 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 23:14:42,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2061 states. [2024-11-07 23:14:42,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2061 to 2058. [2024-11-07 23:14:42,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2058 states, 2023 states have (on average 1.3830944142362827) internal successors, (2798), 2026 states have internal predecessors, (2798), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-07 23:14:42,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2058 states to 2058 states and 2858 transitions. [2024-11-07 23:14:42,427 INFO L78 Accepts]: Start accepts. Automaton has 2058 states and 2858 transitions. Word has length 574 [2024-11-07 23:14:42,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:14:42,428 INFO L471 AbstractCegarLoop]: Abstraction has 2058 states and 2858 transitions. [2024-11-07 23:14:42,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 34.208333333333336) internal successors, (821), 23 states have internal predecessors, (821), 3 states have call successors, (6), 2 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 23:14:42,428 INFO L276 IsEmpty]: Start isEmpty. Operand 2058 states and 2858 transitions. [2024-11-07 23:14:42,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 812 [2024-11-07 23:14:42,441 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:14:42,441 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:14:42,460 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-07 23:14:42,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-07 23:14:42,642 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:14:42,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:14:42,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1702418404, now seen corresponding path program 3 times [2024-11-07 23:14:42,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:14:42,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452771179] [2024-11-07 23:14:42,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:14:42,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms