./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/list-ext-properties/test-0232_1-2.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/list-ext-properties/test-0232_1-2.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', 'f7b1141c3157e34a4974729c197a93a4b99ad75fc020122df5d99d43bcc85e27'] 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/list-ext-properties/test-0232_1-2.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 f7b1141c3157e34a4974729c197a93a4b99ad75fc020122df5d99d43bcc85e27 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 20:02:01,531 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 20:02:01,612 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-07 20:02:01,622 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 20:02:01,623 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 20:02:01,649 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 20:02:01,650 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 20:02:01,650 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 20:02:01,651 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 20:02:01,651 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 20:02:01,652 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 20:02:01,652 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 20:02:01,652 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 20:02:01,653 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 20:02:01,653 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 20:02:01,653 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 20:02:01,653 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 20:02:01,653 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 20:02:01,654 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 20:02:01,654 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 20:02:01,654 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 20:02:01,654 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 20:02:01,654 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 20:02:01,655 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 20:02:01,655 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 20:02:01,655 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 20:02:01,655 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 20:02:01,655 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 20:02:01,655 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 20:02:01,655 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 20:02:01,655 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 20:02:01,655 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 20:02:01,655 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 20:02:01,656 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 20:02:01,656 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 20:02:01,656 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 20:02:01,656 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 20:02:01,656 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 20:02:01,656 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 20:02:01,657 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 20:02:01,657 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 20:02:01,657 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 20:02:01,657 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 20:02:01,657 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 20:02:01,657 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 -> f7b1141c3157e34a4974729c197a93a4b99ad75fc020122df5d99d43bcc85e27 [2024-11-07 20:02:01,935 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 20:02:01,947 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 20:02:01,949 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 20:02:01,950 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 20:02:01,950 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 20:02:01,951 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext-properties/test-0232_1-2.i [2024-11-07 20:02:03,253 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 20:02:03,552 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 20:02:03,553 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/list-ext-properties/test-0232_1-2.i [2024-11-07 20:02:03,576 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9e59000ad/bc10b5c4f39c46409fff804dcbdb97b6/FLAG79d67058a [2024-11-07 20:02:03,812 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9e59000ad/bc10b5c4f39c46409fff804dcbdb97b6 [2024-11-07 20:02:03,815 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 20:02:03,816 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 20:02:03,817 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 20:02:03,817 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 20:02:03,821 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 20:02:03,822 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:02:03" (1/1) ... [2024-11-07 20:02:03,822 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d639a60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:03, skipping insertion in model container [2024-11-07 20:02:03,823 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:02:03" (1/1) ... [2024-11-07 20:02:03,859 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 20:02:04,088 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 20:02:04,096 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 20:02:04,146 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 20:02:04,177 INFO L204 MainTranslator]: Completed translation [2024-11-07 20:02:04,178 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:04 WrapperNode [2024-11-07 20:02:04,178 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 20:02:04,180 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 20:02:04,180 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 20:02:04,180 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 20:02:04,185 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:04" (1/1) ... [2024-11-07 20:02:04,201 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:04" (1/1) ... [2024-11-07 20:02:04,224 INFO L138 Inliner]: procedures = 126, calls = 33, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 98 [2024-11-07 20:02:04,224 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 20:02:04,225 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 20:02:04,225 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 20:02:04,225 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 20:02:04,233 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:04" (1/1) ... [2024-11-07 20:02:04,233 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:04" (1/1) ... [2024-11-07 20:02:04,236 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:04" (1/1) ... [2024-11-07 20:02:04,250 INFO L175 MemorySlicer]: Split 20 memory accesses to 3 slices as follows [2, 10, 8]. 50 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 1, 0]. The 5 writes are split as follows [0, 3, 2]. [2024-11-07 20:02:04,250 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:04" (1/1) ... [2024-11-07 20:02:04,250 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:04" (1/1) ... [2024-11-07 20:02:04,256 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:04" (1/1) ... [2024-11-07 20:02:04,263 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:04" (1/1) ... [2024-11-07 20:02:04,264 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:04" (1/1) ... [2024-11-07 20:02:04,269 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:04" (1/1) ... [2024-11-07 20:02:04,270 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 20:02:04,271 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 20:02:04,271 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 20:02:04,271 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 20:02:04,272 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:04" (1/1) ... [2024-11-07 20:02:04,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 20:02:04,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:02:04,310 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 20:02:04,313 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 20:02:04,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 20:02:04,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 20:02:04,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 20:02:04,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 20:02:04,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 20:02:04,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 20:02:04,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 20:02:04,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 20:02:04,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 20:02:04,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 20:02:04,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-07 20:02:04,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-07 20:02:04,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-07 20:02:04,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 20:02:04,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 20:02:04,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 20:02:04,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 20:02:04,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 20:02:04,444 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 20:02:04,445 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 20:02:04,584 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2024-11-07 20:02:04,584 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 20:02:04,593 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 20:02:04,594 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-07 20:02:04,595 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:02:04 BoogieIcfgContainer [2024-11-07 20:02:04,595 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 20:02:04,597 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 20:02:04,598 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 20:02:04,602 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 20:02:04,602 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:02:03" (1/3) ... [2024-11-07 20:02:04,603 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71fb3091 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:02:04, skipping insertion in model container [2024-11-07 20:02:04,603 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:04" (2/3) ... [2024-11-07 20:02:04,604 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71fb3091 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:02:04, skipping insertion in model container [2024-11-07 20:02:04,604 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:02:04" (3/3) ... [2024-11-07 20:02:04,605 INFO L112 eAbstractionObserver]: Analyzing ICFG test-0232_1-2.i [2024-11-07 20:02:04,617 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 20:02:04,617 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-11-07 20:02:04,661 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 20:02:04,673 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;@3039fb01, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 20:02:04,674 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-07 20:02:04,678 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 21 states have (on average 1.6666666666666667) internal successors, (35), 29 states have internal predecessors, (35), 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 20:02:04,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-07 20:02:04,683 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:02:04,683 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-07 20:02:04,684 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-07 20:02:04,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:02:04,688 INFO L85 PathProgramCache]: Analyzing trace with hash 925636, now seen corresponding path program 1 times [2024-11-07 20:02:04,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:02:04,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225325048] [2024-11-07 20:02:04,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:02:04,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:02:04,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:04,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:02:04,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:02:04,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225325048] [2024-11-07 20:02:04,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225325048] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:02:04,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:02:04,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:02:04,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447016286] [2024-11-07 20:02:04,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:02:04,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:02:04,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:02:04,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:02:04,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:02:04,919 INFO L87 Difference]: Start difference. First operand has 30 states, 21 states have (on average 1.6666666666666667) internal successors, (35), 29 states have internal predecessors, (35), 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) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 20:02:04,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:02:04,967 INFO L93 Difference]: Finished difference Result 44 states and 51 transitions. [2024-11-07 20:02:04,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:02:04,969 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2024-11-07 20:02:04,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:02:04,973 INFO L225 Difference]: With dead ends: 44 [2024-11-07 20:02:04,973 INFO L226 Difference]: Without dead ends: 25 [2024-11-07 20:02:04,975 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:02:04,977 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 30 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:02:04,978 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 51 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:02:04,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2024-11-07 20:02:05,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2024-11-07 20:02:05,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 24 states have internal predecessors, (28), 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 20:02:05,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2024-11-07 20:02:05,009 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 28 transitions. Word has length 4 [2024-11-07 20:02:05,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:02:05,010 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 28 transitions. [2024-11-07 20:02:05,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 20:02:05,010 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2024-11-07 20:02:05,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-07 20:02:05,011 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:02:05,011 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-07 20:02:05,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 20:02:05,012 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-07 20:02:05,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:02:05,012 INFO L85 PathProgramCache]: Analyzing trace with hash 28694756, now seen corresponding path program 1 times [2024-11-07 20:02:05,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:02:05,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995327337] [2024-11-07 20:02:05,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:02:05,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:02:05,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:05,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:02:05,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:02:05,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995327337] [2024-11-07 20:02:05,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995327337] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:02:05,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:02:05,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:02:05,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144375752] [2024-11-07 20:02:05,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:02:05,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:02:05,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:02:05,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:02:05,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:02:05,086 INFO L87 Difference]: Start difference. First operand 25 states and 28 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 20:02:05,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:02:05,121 INFO L93 Difference]: Finished difference Result 29 states and 32 transitions. [2024-11-07 20:02:05,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:02:05,122 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 5 [2024-11-07 20:02:05,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:02:05,122 INFO L225 Difference]: With dead ends: 29 [2024-11-07 20:02:05,122 INFO L226 Difference]: Without dead ends: 28 [2024-11-07 20:02:05,123 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:02:05,123 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 2 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 70 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 20:02:05,124 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 70 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:02:05,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2024-11-07 20:02:05,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2024-11-07 20:02:05,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 27 states have internal predecessors, (31), 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 20:02:05,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 31 transitions. [2024-11-07 20:02:05,131 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 31 transitions. Word has length 5 [2024-11-07 20:02:05,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:02:05,131 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 31 transitions. [2024-11-07 20:02:05,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 20:02:05,131 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2024-11-07 20:02:05,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-07 20:02:05,132 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:02:05,132 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:02:05,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 20:02:05,132 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-07 20:02:05,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:02:05,132 INFO L85 PathProgramCache]: Analyzing trace with hash 262867306, now seen corresponding path program 1 times [2024-11-07 20:02:05,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:02:05,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860244380] [2024-11-07 20:02:05,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:02:05,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:02:05,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:05,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:02:05,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:02:05,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860244380] [2024-11-07 20:02:05,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860244380] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:02:05,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:02:05,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 20:02:05,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976678216] [2024-11-07 20:02:05,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:02:05,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:02:05,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:02:05,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:02:05,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:02:05,494 INFO L87 Difference]: Start difference. First operand 28 states and 31 transitions. Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 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 20:02:05,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:02:05,576 INFO L93 Difference]: Finished difference Result 53 states and 60 transitions. [2024-11-07 20:02:05,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:02:05,576 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 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 9 [2024-11-07 20:02:05,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:02:05,577 INFO L225 Difference]: With dead ends: 53 [2024-11-07 20:02:05,577 INFO L226 Difference]: Without dead ends: 30 [2024-11-07 20:02:05,577 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-07 20:02:05,578 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 6 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:02:05,578 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 89 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:02:05,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2024-11-07 20:02:05,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 29. [2024-11-07 20:02:05,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 22 states have (on average 1.4545454545454546) internal successors, (32), 28 states have internal predecessors, (32), 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 20:02:05,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 32 transitions. [2024-11-07 20:02:05,582 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 32 transitions. Word has length 9 [2024-11-07 20:02:05,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:02:05,582 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 32 transitions. [2024-11-07 20:02:05,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 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 20:02:05,582 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2024-11-07 20:02:05,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-07 20:02:05,582 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:02:05,582 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:02:05,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 20:02:05,582 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-07 20:02:05,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:02:05,583 INFO L85 PathProgramCache]: Analyzing trace with hash 262926888, now seen corresponding path program 1 times [2024-11-07 20:02:05,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:02:05,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367965007] [2024-11-07 20:02:05,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:02:05,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:02:05,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:05,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:02:05,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:02:05,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367965007] [2024-11-07 20:02:05,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367965007] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:02:05,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:02:05,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:02:05,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518028835] [2024-11-07 20:02:05,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:02:05,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:02:05,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:02:05,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:02:05,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:02:05,652 INFO L87 Difference]: Start difference. First operand 29 states and 32 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 20:02:05,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:02:05,685 INFO L93 Difference]: Finished difference Result 35 states and 38 transitions. [2024-11-07 20:02:05,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:02:05,685 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 9 [2024-11-07 20:02:05,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:02:05,686 INFO L225 Difference]: With dead ends: 35 [2024-11-07 20:02:05,686 INFO L226 Difference]: Without dead ends: 33 [2024-11-07 20:02:05,686 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:02:05,687 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 1 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:02:05,687 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 66 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:02:05,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2024-11-07 20:02:05,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2024-11-07 20:02:05,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 32 states have internal predecessors, (36), 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 20:02:05,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 36 transitions. [2024-11-07 20:02:05,691 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 36 transitions. Word has length 9 [2024-11-07 20:02:05,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:02:05,691 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 36 transitions. [2024-11-07 20:02:05,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 20:02:05,691 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 36 transitions. [2024-11-07 20:02:05,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-07 20:02:05,692 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:02:05,692 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:02:05,692 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 20:02:05,692 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-07 20:02:05,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:02:05,693 INFO L85 PathProgramCache]: Analyzing trace with hash 1061283570, now seen corresponding path program 1 times [2024-11-07 20:02:05,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:02:05,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791979728] [2024-11-07 20:02:05,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:02:05,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:02:05,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:05,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:02:05,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:02:05,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791979728] [2024-11-07 20:02:05,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791979728] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:02:05,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:02:05,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:02:05,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381125974] [2024-11-07 20:02:05,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:02:05,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:02:05,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:02:05,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:02:05,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:02:05,749 INFO L87 Difference]: Start difference. First operand 33 states and 36 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 20:02:05,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:02:05,757 INFO L93 Difference]: Finished difference Result 33 states and 36 transitions. [2024-11-07 20:02:05,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:02:05,757 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-11-07 20:02:05,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:02:05,758 INFO L225 Difference]: With dead ends: 33 [2024-11-07 20:02:05,758 INFO L226 Difference]: Without dead ends: 32 [2024-11-07 20:02:05,758 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:02:05,759 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 1 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:02:05,759 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 46 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:02:05,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2024-11-07 20:02:05,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2024-11-07 20:02:05,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 31 states have internal predecessors, (35), 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 20:02:05,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 35 transitions. [2024-11-07 20:02:05,762 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 35 transitions. Word has length 14 [2024-11-07 20:02:05,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:02:05,763 INFO L471 AbstractCegarLoop]: Abstraction has 32 states and 35 transitions. [2024-11-07 20:02:05,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 20:02:05,763 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2024-11-07 20:02:05,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-07 20:02:05,763 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:02:05,763 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:02:05,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 20:02:05,764 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-07 20:02:05,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:02:05,764 INFO L85 PathProgramCache]: Analyzing trace with hash -1459947628, now seen corresponding path program 1 times [2024-11-07 20:02:05,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:02:05,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763360409] [2024-11-07 20:02:05,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:02:05,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:02:05,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:05,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:02:05,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:02:05,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763360409] [2024-11-07 20:02:05,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763360409] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:02:05,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:02:05,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 20:02:05,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680696056] [2024-11-07 20:02:05,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:02:05,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 20:02:05,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:02:05,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 20:02:05,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 20:02:05,871 INFO L87 Difference]: Start difference. First operand 32 states and 35 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 20:02:05,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:02:05,928 INFO L93 Difference]: Finished difference Result 46 states and 52 transitions. [2024-11-07 20:02:05,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 20:02:05,929 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-07 20:02:05,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:02:05,929 INFO L225 Difference]: With dead ends: 46 [2024-11-07 20:02:05,929 INFO L226 Difference]: Without dead ends: 45 [2024-11-07 20:02:05,930 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 20:02:05,930 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 9 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:02:05,930 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 86 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:02:05,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-11-07 20:02:05,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 37. [2024-11-07 20:02:05,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 36 states have internal predecessors, (42), 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 20:02:05,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 42 transitions. [2024-11-07 20:02:05,934 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 42 transitions. Word has length 15 [2024-11-07 20:02:05,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:02:05,934 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 42 transitions. [2024-11-07 20:02:05,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 20:02:05,935 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 42 transitions. [2024-11-07 20:02:05,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-07 20:02:05,935 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:02:05,935 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:02:05,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 20:02:05,935 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-07 20:02:05,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:02:05,936 INFO L85 PathProgramCache]: Analyzing trace with hash -1459941446, now seen corresponding path program 1 times [2024-11-07 20:02:05,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:02:05,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800565722] [2024-11-07 20:02:05,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:02:05,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:02:05,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:06,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:02:06,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:02:06,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800565722] [2024-11-07 20:02:06,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800565722] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:02:06,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:02:06,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 20:02:06,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924798013] [2024-11-07 20:02:06,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:02:06,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:02:06,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:02:06,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:02:06,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:02:06,008 INFO L87 Difference]: Start difference. First operand 37 states and 42 transitions. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 20:02:06,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:02:06,042 INFO L93 Difference]: Finished difference Result 49 states and 55 transitions. [2024-11-07 20:02:06,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:02:06,043 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-07 20:02:06,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:02:06,044 INFO L225 Difference]: With dead ends: 49 [2024-11-07 20:02:06,044 INFO L226 Difference]: Without dead ends: 44 [2024-11-07 20:02:06,045 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 20:02:06,045 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 8 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:02:06,045 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 89 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:02:06,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-11-07 20:02:06,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 37. [2024-11-07 20:02:06,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 36 states have internal predecessors, (41), 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 20:02:06,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 41 transitions. [2024-11-07 20:02:06,056 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 41 transitions. Word has length 15 [2024-11-07 20:02:06,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:02:06,056 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 41 transitions. [2024-11-07 20:02:06,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 20:02:06,056 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2024-11-07 20:02:06,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-07 20:02:06,057 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:02:06,057 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:02:06,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 20:02:06,057 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-07 20:02:06,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:02:06,058 INFO L85 PathProgramCache]: Analyzing trace with hash -1459917836, now seen corresponding path program 1 times [2024-11-07 20:02:06,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:02:06,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738007369] [2024-11-07 20:02:06,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:02:06,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:02:06,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:06,114 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:02:06,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:02:06,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738007369] [2024-11-07 20:02:06,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738007369] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:02:06,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:02:06,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:02:06,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829459507] [2024-11-07 20:02:06,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:02:06,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:02:06,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:02:06,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:02:06,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:02:06,116 INFO L87 Difference]: Start difference. First operand 37 states and 41 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 20:02:06,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:02:06,138 INFO L93 Difference]: Finished difference Result 37 states and 41 transitions. [2024-11-07 20:02:06,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:02:06,139 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-07 20:02:06,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:02:06,139 INFO L225 Difference]: With dead ends: 37 [2024-11-07 20:02:06,140 INFO L226 Difference]: Without dead ends: 36 [2024-11-07 20:02:06,140 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:02:06,140 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 3 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:02:06,140 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 64 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:02:06,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-11-07 20:02:06,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2024-11-07 20:02:06,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 35 states have internal predecessors, (40), 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 20:02:06,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 40 transitions. [2024-11-07 20:02:06,145 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 40 transitions. Word has length 15 [2024-11-07 20:02:06,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:02:06,145 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 40 transitions. [2024-11-07 20:02:06,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 20:02:06,146 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2024-11-07 20:02:06,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-07 20:02:06,146 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:02:06,146 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:02:06,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 20:02:06,149 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-07 20:02:06,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:02:06,149 INFO L85 PathProgramCache]: Analyzing trace with hash 1444637878, now seen corresponding path program 1 times [2024-11-07 20:02:06,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:02:06,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820914809] [2024-11-07 20:02:06,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:02:06,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:02:06,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:06,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:02:06,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:02:06,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820914809] [2024-11-07 20:02:06,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820914809] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:02:06,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:02:06,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:02:06,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887895935] [2024-11-07 20:02:06,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:02:06,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:02:06,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:02:06,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:02:06,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:02:06,220 INFO L87 Difference]: Start difference. First operand 36 states and 40 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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 20:02:06,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:02:06,234 INFO L93 Difference]: Finished difference Result 36 states and 40 transitions. [2024-11-07 20:02:06,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:02:06,235 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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 17 [2024-11-07 20:02:06,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:02:06,235 INFO L225 Difference]: With dead ends: 36 [2024-11-07 20:02:06,235 INFO L226 Difference]: Without dead ends: 35 [2024-11-07 20:02:06,236 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:02:06,237 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 1 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:02:06,237 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 42 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:02:06,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2024-11-07 20:02:06,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2024-11-07 20:02:06,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 34 states have internal predecessors, (39), 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 20:02:06,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 39 transitions. [2024-11-07 20:02:06,243 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 39 transitions. Word has length 17 [2024-11-07 20:02:06,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:02:06,244 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 39 transitions. [2024-11-07 20:02:06,244 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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 20:02:06,244 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2024-11-07 20:02:06,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-07 20:02:06,244 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:02:06,244 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:02:06,244 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 20:02:06,244 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-07 20:02:06,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:02:06,245 INFO L85 PathProgramCache]: Analyzing trace with hash 1834101343, now seen corresponding path program 1 times [2024-11-07 20:02:06,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:02:06,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328251420] [2024-11-07 20:02:06,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:02:06,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:02:06,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:06,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:02:06,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:02:06,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328251420] [2024-11-07 20:02:06,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328251420] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:02:06,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:02:06,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 20:02:06,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038745797] [2024-11-07 20:02:06,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:02:06,382 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 20:02:06,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:02:06,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 20:02:06,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-07 20:02:06,383 INFO L87 Difference]: Start difference. First operand 35 states and 39 transitions. Second operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 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 20:02:06,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:02:06,433 INFO L93 Difference]: Finished difference Result 46 states and 51 transitions. [2024-11-07 20:02:06,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 20:02:06,434 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 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 18 [2024-11-07 20:02:06,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:02:06,434 INFO L225 Difference]: With dead ends: 46 [2024-11-07 20:02:06,434 INFO L226 Difference]: Without dead ends: 38 [2024-11-07 20:02:06,434 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-07 20:02:06,435 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 7 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:02:06,435 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 76 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:02:06,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-11-07 20:02:06,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 32. [2024-11-07 20:02:06,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 31 states have internal predecessors, (34), 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 20:02:06,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 34 transitions. [2024-11-07 20:02:06,438 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 34 transitions. Word has length 18 [2024-11-07 20:02:06,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:02:06,438 INFO L471 AbstractCegarLoop]: Abstraction has 32 states and 34 transitions. [2024-11-07 20:02:06,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 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 20:02:06,439 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions. [2024-11-07 20:02:06,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-07 20:02:06,439 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:02:06,439 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:02:06,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 20:02:06,439 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-07 20:02:06,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:02:06,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1529834374, now seen corresponding path program 1 times [2024-11-07 20:02:06,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:02:06,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767159652] [2024-11-07 20:02:06,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:02:06,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:02:06,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:06,523 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:02:06,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:02:06,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767159652] [2024-11-07 20:02:06,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767159652] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:02:06,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1046739641] [2024-11-07 20:02:06,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:02:06,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:02:06,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:02:06,526 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 20:02:06,527 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 20:02:06,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:06,659 INFO L255 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 20:02:06,664 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:02:06,730 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:02:06,730 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:02:06,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1046739641] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:02:06,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:02:06,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-07 20:02:06,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525141553] [2024-11-07 20:02:06,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:02:06,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 20:02:06,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:02:06,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 20:02:06,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:02:06,731 INFO L87 Difference]: Start difference. First operand 32 states and 34 transitions. Second operand has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 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 20:02:06,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:02:06,762 INFO L93 Difference]: Finished difference Result 32 states and 34 transitions. [2024-11-07 20:02:06,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 20:02:06,763 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 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 19 [2024-11-07 20:02:06,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:02:06,763 INFO L225 Difference]: With dead ends: 32 [2024-11-07 20:02:06,763 INFO L226 Difference]: Without dead ends: 31 [2024-11-07 20:02:06,763 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:02:06,764 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 4 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:02:06,764 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 77 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:02:06,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2024-11-07 20:02:06,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2024-11-07 20:02:06,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 30 states have internal predecessors, (33), 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 20:02:06,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 33 transitions. [2024-11-07 20:02:06,769 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 33 transitions. Word has length 19 [2024-11-07 20:02:06,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:02:06,770 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 33 transitions. [2024-11-07 20:02:06,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 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 20:02:06,771 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 33 transitions. [2024-11-07 20:02:06,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-07 20:02:06,771 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:02:06,771 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:02:06,789 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 20:02:06,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-07 20:02:06,972 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-07 20:02:06,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:02:06,972 INFO L85 PathProgramCache]: Analyzing trace with hash -180225285, now seen corresponding path program 1 times [2024-11-07 20:02:06,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:02:06,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883422913] [2024-11-07 20:02:06,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:02:06,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:02:06,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:07,067 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:02:07,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:02:07,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883422913] [2024-11-07 20:02:07,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883422913] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:02:07,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1888019333] [2024-11-07 20:02:07,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:02:07,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:02:07,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:02:07,071 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 20:02:07,072 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 20:02:07,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:07,202 INFO L255 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 20:02:07,204 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:02:07,267 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:02:07,267 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:02:07,337 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:02:07,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1888019333] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:02:07,338 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:02:07,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-07 20:02:07,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422577977] [2024-11-07 20:02:07,338 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:02:07,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 20:02:07,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:02:07,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 20:02:07,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-07 20:02:07,339 INFO L87 Difference]: Start difference. First operand 31 states and 33 transitions. Second operand has 12 states, 11 states have (on average 4.363636363636363) internal successors, (48), 12 states have internal predecessors, (48), 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 20:02:07,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:02:07,380 INFO L93 Difference]: Finished difference Result 62 states and 71 transitions. [2024-11-07 20:02:07,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 20:02:07,380 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.363636363636363) internal successors, (48), 12 states have internal predecessors, (48), 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 20 [2024-11-07 20:02:07,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:02:07,381 INFO L225 Difference]: With dead ends: 62 [2024-11-07 20:02:07,381 INFO L226 Difference]: Without dead ends: 61 [2024-11-07 20:02:07,381 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-07 20:02:07,381 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 7 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:02:07,382 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 118 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:02:07,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-11-07 20:02:07,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 59. [2024-11-07 20:02:07,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 56 states have (on average 1.1785714285714286) internal successors, (66), 58 states have internal predecessors, (66), 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 20:02:07,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 66 transitions. [2024-11-07 20:02:07,386 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 66 transitions. Word has length 20 [2024-11-07 20:02:07,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:02:07,386 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 66 transitions. [2024-11-07 20:02:07,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.363636363636363) internal successors, (48), 12 states have internal predecessors, (48), 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 20:02:07,386 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 66 transitions. [2024-11-07 20:02:07,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-07 20:02:07,386 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:02:07,386 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:02:07,405 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 20:02:07,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:02:07,591 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-07 20:02:07,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:02:07,591 INFO L85 PathProgramCache]: Analyzing trace with hash 1985811558, now seen corresponding path program 1 times [2024-11-07 20:02:07,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:02:07,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428521133] [2024-11-07 20:02:07,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:02:07,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:02:07,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:07,756 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:02:07,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:02:07,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428521133] [2024-11-07 20:02:07,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428521133] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:02:07,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1706504457] [2024-11-07 20:02:07,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:02:07,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:02:07,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:02:07,759 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 20:02:07,760 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 20:02:07,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:07,896 INFO L255 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-07 20:02:07,898 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:02:07,961 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:02:07,961 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:02:08,053 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:02:08,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1706504457] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:02:08,053 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:02:08,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2024-11-07 20:02:08,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843124806] [2024-11-07 20:02:08,053 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:02:08,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-07 20:02:08,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:02:08,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-07 20:02:08,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2024-11-07 20:02:08,054 INFO L87 Difference]: Start difference. First operand 59 states and 66 transitions. Second operand has 16 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 16 states have internal predecessors, (58), 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 20:02:08,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:02:08,112 INFO L93 Difference]: Finished difference Result 63 states and 71 transitions. [2024-11-07 20:02:08,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 20:02:08,112 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 16 states have internal predecessors, (58), 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 25 [2024-11-07 20:02:08,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:02:08,113 INFO L225 Difference]: With dead ends: 63 [2024-11-07 20:02:08,113 INFO L226 Difference]: Without dead ends: 62 [2024-11-07 20:02:08,113 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2024-11-07 20:02:08,113 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 12 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:02:08,114 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 117 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:02:08,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-11-07 20:02:08,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 58. [2024-11-07 20:02:08,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 56 states have (on average 1.1607142857142858) internal successors, (65), 57 states have internal predecessors, (65), 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 20:02:08,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 65 transitions. [2024-11-07 20:02:08,118 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 65 transitions. Word has length 25 [2024-11-07 20:02:08,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:02:08,118 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 65 transitions. [2024-11-07 20:02:08,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 16 states have internal predecessors, (58), 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 20:02:08,119 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 65 transitions. [2024-11-07 20:02:08,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-07 20:02:08,119 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:02:08,119 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:02:08,136 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 20:02:08,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:02:08,320 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-07 20:02:08,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:02:08,320 INFO L85 PathProgramCache]: Analyzing trace with hash 432669773, now seen corresponding path program 1 times [2024-11-07 20:02:08,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:02:08,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014158710] [2024-11-07 20:02:08,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:02:08,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:02:08,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:08,485 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:02:08,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:02:08,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014158710] [2024-11-07 20:02:08,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014158710] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:02:08,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [935105168] [2024-11-07 20:02:08,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:02:08,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:02:08,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:02:08,489 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 20:02:08,490 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 20:02:08,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:08,632 INFO L255 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-07 20:02:08,634 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:02:08,714 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:02:08,714 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:02:08,831 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:02:08,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [935105168] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:02:08,831 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:02:08,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 17 [2024-11-07 20:02:08,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003193984] [2024-11-07 20:02:08,832 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:02:08,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-07 20:02:08,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:02:08,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-07 20:02:08,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=240, Unknown=0, NotChecked=0, Total=306 [2024-11-07 20:02:08,833 INFO L87 Difference]: Start difference. First operand 58 states and 65 transitions. Second operand has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 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 20:02:08,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:02:08,903 INFO L93 Difference]: Finished difference Result 68 states and 77 transitions. [2024-11-07 20:02:08,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 20:02:08,904 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 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 28 [2024-11-07 20:02:08,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:02:08,905 INFO L225 Difference]: With dead ends: 68 [2024-11-07 20:02:08,905 INFO L226 Difference]: Without dead ends: 51 [2024-11-07 20:02:08,905 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=240, Unknown=0, NotChecked=0, Total=306 [2024-11-07 20:02:08,906 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 13 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:02:08,906 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 80 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:02:08,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-11-07 20:02:08,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2024-11-07 20:02:08,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 50 states have (on average 1.1) internal successors, (55), 50 states have internal predecessors, (55), 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 20:02:08,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 55 transitions. [2024-11-07 20:02:08,911 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 55 transitions. Word has length 28 [2024-11-07 20:02:08,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:02:08,911 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 55 transitions. [2024-11-07 20:02:08,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.764705882352941) internal successors, (64), 18 states have internal predecessors, (64), 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 20:02:08,912 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 55 transitions. [2024-11-07 20:02:08,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-07 20:02:08,916 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:02:08,916 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1] [2024-11-07 20:02:08,933 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 20:02:09,116 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,SelfDestructingSolverStorable13 [2024-11-07 20:02:09,117 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-07 20:02:09,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:02:09,117 INFO L85 PathProgramCache]: Analyzing trace with hash -776926779, now seen corresponding path program 2 times [2024-11-07 20:02:09,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:02:09,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101429490] [2024-11-07 20:02:09,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:02:09,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:02:09,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:09,408 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:02:09,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:02:09,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101429490] [2024-11-07 20:02:09,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101429490] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:02:09,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2134835312] [2024-11-07 20:02:09,409 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 20:02:09,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:02:09,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:02:09,412 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 20:02:09,412 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 20:02:09,614 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 20:02:09,614 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:02:09,616 INFO L255 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-07 20:02:09,619 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:02:09,697 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:02:09,697 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:02:09,881 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:02:09,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2134835312] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:02:09,882 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:02:09,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 23 [2024-11-07 20:02:09,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948773992] [2024-11-07 20:02:09,882 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:02:09,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-07 20:02:09,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:02:09,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-07 20:02:09,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2024-11-07 20:02:09,884 INFO L87 Difference]: Start difference. First operand 51 states and 55 transitions. Second operand has 24 states, 23 states have (on average 4.695652173913044) internal successors, (108), 24 states have internal predecessors, (108), 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 20:02:09,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:02:09,934 INFO L93 Difference]: Finished difference Result 112 states and 127 transitions. [2024-11-07 20:02:09,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-07 20:02:09,935 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 4.695652173913044) internal successors, (108), 24 states have internal predecessors, (108), 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 50 [2024-11-07 20:02:09,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:02:09,936 INFO L225 Difference]: With dead ends: 112 [2024-11-07 20:02:09,936 INFO L226 Difference]: Without dead ends: 111 [2024-11-07 20:02:09,936 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2024-11-07 20:02:09,937 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 16 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:02:09,937 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 134 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:02:09,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-07 20:02:09,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2024-11-07 20:02:09,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 110 states have (on average 1.1) internal successors, (121), 110 states have internal predecessors, (121), 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 20:02:09,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 121 transitions. [2024-11-07 20:02:09,942 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 121 transitions. Word has length 50 [2024-11-07 20:02:09,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:02:09,943 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 121 transitions. [2024-11-07 20:02:09,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 4.695652173913044) internal successors, (108), 24 states have internal predecessors, (108), 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 20:02:09,943 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 121 transitions. [2024-11-07 20:02:09,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-07 20:02:09,944 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:02:09,944 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 1, 1, 1, 1] [2024-11-07 20:02:09,961 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-07 20:02:10,145 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,SelfDestructingSolverStorable14 [2024-11-07 20:02:10,145 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-07 20:02:10,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:02:10,145 INFO L85 PathProgramCache]: Analyzing trace with hash -1073197351, now seen corresponding path program 3 times [2024-11-07 20:02:10,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:02:10,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481941242] [2024-11-07 20:02:10,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:02:10,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:02:10,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:10,985 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 0 proven. 530 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:02:10,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:02:10,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481941242] [2024-11-07 20:02:10,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481941242] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:02:10,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [474348548] [2024-11-07 20:02:10,986 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-07 20:02:10,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:02:10,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:02:10,988 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 20:02:10,991 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 20:02:24,863 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-07 20:02:24,863 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:02:24,881 INFO L255 TraceCheckSpWp]: Trace formula consists of 1017 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-07 20:02:24,889 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:02:25,052 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 0 proven. 530 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:02:25,052 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:02:25,685 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 0 proven. 530 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:02:25,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [474348548] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:02:25,685 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:02:25,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 47 [2024-11-07 20:02:25,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221385505] [2024-11-07 20:02:25,686 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:02:25,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-07 20:02:25,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:02:25,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-07 20:02:25,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=599, Invalid=1657, Unknown=0, NotChecked=0, Total=2256 [2024-11-07 20:02:25,690 INFO L87 Difference]: Start difference. First operand 111 states and 121 transitions. Second operand has 48 states, 47 states have (on average 4.851063829787234) internal successors, (228), 48 states have internal predecessors, (228), 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 20:02:25,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:02:25,802 INFO L93 Difference]: Finished difference Result 232 states and 265 transitions. [2024-11-07 20:02:25,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-11-07 20:02:25,803 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 4.851063829787234) internal successors, (228), 48 states have internal predecessors, (228), 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 110 [2024-11-07 20:02:25,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:02:25,804 INFO L225 Difference]: With dead ends: 232 [2024-11-07 20:02:25,805 INFO L226 Difference]: Without dead ends: 231 [2024-11-07 20:02:25,806 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 687 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=599, Invalid=1657, Unknown=0, NotChecked=0, Total=2256 [2024-11-07 20:02:25,806 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 41 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:02:25,807 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 211 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:02:25,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2024-11-07 20:02:25,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 231. [2024-11-07 20:02:25,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 230 states have (on average 1.1) internal successors, (253), 230 states have internal predecessors, (253), 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 20:02:25,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 253 transitions. [2024-11-07 20:02:25,845 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 253 transitions. Word has length 110 [2024-11-07 20:02:25,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:02:25,846 INFO L471 AbstractCegarLoop]: Abstraction has 231 states and 253 transitions. [2024-11-07 20:02:25,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 4.851063829787234) internal successors, (228), 48 states have internal predecessors, (228), 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 20:02:25,847 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 253 transitions. [2024-11-07 20:02:25,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2024-11-07 20:02:25,853 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:02:25,853 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 23, 23, 22, 22, 22, 22, 1, 1, 1, 1] [2024-11-07 20:02:25,889 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-07 20:02:26,054 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,SelfDestructingSolverStorable15 [2024-11-07 20:02:26,054 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-07 20:02:26,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:02:26,055 INFO L85 PathProgramCache]: Analyzing trace with hash 22345473, now seen corresponding path program 4 times [2024-11-07 20:02:26,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:02:26,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456695337] [2024-11-07 20:02:26,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:02:26,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:02:26,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:28,730 INFO L134 CoverageAnalysis]: Checked inductivity of 2486 backedges. 0 proven. 2486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:02:28,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:02:28,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456695337] [2024-11-07 20:02:28,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456695337] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:02:28,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1979510081] [2024-11-07 20:02:28,731 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-07 20:02:28,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:02:28,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:02:28,734 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 20:02:28,735 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