./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-2.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/uthash-2.0.2/uthash_JEN_test1-2.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', '60f6803c5e3744d9299e1af81cd011414f5ac623b556345642fa85a1d93686e4'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-2.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 60f6803c5e3744d9299e1af81cd011414f5ac623b556345642fa85a1d93686e4 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 23:09:15,237 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 23:09:15,343 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-07 23:09:15,347 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 23:09:15,348 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 23:09:15,372 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 23:09:15,373 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 23:09:15,373 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 23:09:15,374 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 23:09:15,374 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 23:09:15,375 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 23:09:15,375 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 23:09:15,376 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 23:09:15,376 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 23:09:15,376 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 23:09:15,377 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 23:09:15,377 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 23:09:15,377 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 23:09:15,377 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 23:09:15,377 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 23:09:15,377 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 23:09:15,377 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 23:09:15,377 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 23:09:15,378 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 23:09:15,378 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 23:09:15,378 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 23:09:15,378 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 23:09:15,378 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 23:09:15,378 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 23:09:15,378 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 23:09:15,379 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 23:09:15,379 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 23:09:15,379 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 23:09:15,379 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 23:09:15,379 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 23:09:15,380 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 23:09:15,380 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 23:09:15,380 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 23:09:15,380 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 23:09:15,380 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 23:09:15,380 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 23:09:15,380 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 23:09:15,380 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 23:09:15,380 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 23:09:15,380 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 -> 60f6803c5e3744d9299e1af81cd011414f5ac623b556345642fa85a1d93686e4 [2024-11-07 23:09:15,664 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 23:09:15,674 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 23:09:15,677 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 23:09:15,678 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 23:09:15,678 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 23:09:15,679 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-2.i [2024-11-07 23:09:16,990 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 23:09:17,296 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 23:09:17,297 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-2.i [2024-11-07 23:09:17,312 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9ce642295/201c91c6beda4134a35eb8eab182d7c2/FLAG8907e7a7a [2024-11-07 23:09:17,324 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9ce642295/201c91c6beda4134a35eb8eab182d7c2 [2024-11-07 23:09:17,326 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 23:09:17,327 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 23:09:17,328 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 23:09:17,328 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 23:09:17,332 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 23:09:17,333 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:09:17" (1/1) ... [2024-11-07 23:09:17,334 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30014f8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:09:17, skipping insertion in model container [2024-11-07 23:09:17,334 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:09:17" (1/1) ... [2024-11-07 23:09:17,374 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 23:09:17,872 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 23:09:17,885 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 23:09:18,003 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 23:09:18,040 INFO L204 MainTranslator]: Completed translation [2024-11-07 23:09:18,041 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:09:18 WrapperNode [2024-11-07 23:09:18,041 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 23:09:18,042 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 23:09:18,042 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 23:09:18,042 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 23:09:18,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:09:18" (1/1) ... [2024-11-07 23:09:18,064 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:09:18" (1/1) ... [2024-11-07 23:09:18,113 INFO L138 Inliner]: procedures = 176, calls = 231, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1015 [2024-11-07 23:09:18,114 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 23:09:18,114 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 23:09:18,114 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 23:09:18,114 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 23:09:18,124 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:09:18" (1/1) ... [2024-11-07 23:09:18,125 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:09:18" (1/1) ... [2024-11-07 23:09:18,133 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:09:18" (1/1) ... [2024-11-07 23:09:18,209 INFO L175 MemorySlicer]: Split 206 memory accesses to 2 slices as follows [204, 2]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [0, 2]. The 50 writes are split as follows [50, 0]. [2024-11-07 23:09:18,209 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:09:18" (1/1) ... [2024-11-07 23:09:18,209 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:09:18" (1/1) ... [2024-11-07 23:09:18,257 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:09:18" (1/1) ... [2024-11-07 23:09:18,272 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:09:18" (1/1) ... [2024-11-07 23:09:18,280 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:09:18" (1/1) ... [2024-11-07 23:09:18,284 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:09:18" (1/1) ... [2024-11-07 23:09:18,292 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 23:09:18,294 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 23:09:18,294 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 23:09:18,294 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 23:09:18,295 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:09:18" (1/1) ... [2024-11-07 23:09:18,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 23:09:18,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:09:18,334 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 23:09:18,340 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 23:09:18,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 23:09:18,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 23:09:18,359 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 23:09:18,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 23:09:18,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 23:09:18,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 23:09:18,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-07 23:09:18,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-07 23:09:18,359 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-07 23:09:18,359 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-07 23:09:18,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 23:09:18,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 23:09:18,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 23:09:18,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 23:09:18,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 23:09:18,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 23:09:18,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 23:09:18,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 23:09:18,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 23:09:18,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 23:09:18,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 23:09:18,583 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 23:09:18,585 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 23:09:19,688 INFO L? ?]: Removed 239 outVars from TransFormulas that were not future-live. [2024-11-07 23:09:19,688 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 23:09:19,707 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 23:09:19,709 INFO L316 CfgBuilder]: Removed 40 assume(true) statements. [2024-11-07 23:09:19,710 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:09:19 BoogieIcfgContainer [2024-11-07 23:09:19,710 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 23:09:19,712 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 23:09:19,712 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 23:09:19,717 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 23:09:19,717 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:09:17" (1/3) ... [2024-11-07 23:09:19,718 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@542aca8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:09:19, skipping insertion in model container [2024-11-07 23:09:19,718 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:09:18" (2/3) ... [2024-11-07 23:09:19,718 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@542aca8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:09:19, skipping insertion in model container [2024-11-07 23:09:19,718 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:09:19" (3/3) ... [2024-11-07 23:09:19,719 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test1-2.i [2024-11-07 23:09:19,732 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 23:09:19,733 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-07 23:09:19,787 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 23:09:19,797 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;@148f71bb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 23:09:19,798 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-07 23:09:19,803 INFO L276 IsEmpty]: Start isEmpty. Operand has 282 states, 260 states have (on average 1.623076923076923) internal successors, (422), 276 states have internal predecessors, (422), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-07 23:09:19,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-07 23:09:19,810 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:09:19,810 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-07 23:09:19,811 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:09:19,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:09:19,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1363672333, now seen corresponding path program 1 times [2024-11-07 23:09:19,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:09:19,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319358508] [2024-11-07 23:09:19,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:09:19,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:09:19,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:09:20,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:09:20,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:09:20,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319358508] [2024-11-07 23:09:20,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319358508] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:09:20,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:09:20,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 23:09:20,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904280867] [2024-11-07 23:09:20,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:09:20,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 23:09:20,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:09:20,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 23:09:20,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 23:09:20,051 INFO L87 Difference]: Start difference. First operand has 282 states, 260 states have (on average 1.623076923076923) internal successors, (422), 276 states have internal predecessors, (422), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:09:20,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:09:20,183 INFO L93 Difference]: Finished difference Result 756 states and 1223 transitions. [2024-11-07 23:09:20,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 23:09:20,186 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-07 23:09:20,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:09:20,195 INFO L225 Difference]: With dead ends: 756 [2024-11-07 23:09:20,196 INFO L226 Difference]: Without dead ends: 436 [2024-11-07 23:09:20,200 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 23:09:20,202 INFO L432 NwaCegarLoop]: 438 mSDtfsCounter, 276 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 828 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 23:09:20,203 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [279 Valid, 828 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 23:09:20,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2024-11-07 23:09:20,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 245. [2024-11-07 23:09:20,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 225 states have (on average 1.448888888888889) internal successors, (326), 239 states have internal predecessors, (326), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-07 23:09:20,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 352 transitions. [2024-11-07 23:09:20,266 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 352 transitions. Word has length 6 [2024-11-07 23:09:20,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:09:20,267 INFO L471 AbstractCegarLoop]: Abstraction has 245 states and 352 transitions. [2024-11-07 23:09:20,267 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:09:20,267 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 352 transitions. [2024-11-07 23:09:20,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-07 23:09:20,271 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:09:20,271 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:09:20,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 23:09:20,272 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:09:20,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:09:20,272 INFO L85 PathProgramCache]: Analyzing trace with hash 34814661, now seen corresponding path program 1 times [2024-11-07 23:09:20,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:09:20,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708649203] [2024-11-07 23:09:20,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:09:20,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:09:20,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:09:20,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:09:20,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:09:20,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708649203] [2024-11-07 23:09:20,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708649203] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:09:20,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:09:20,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 23:09:20,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948200964] [2024-11-07 23:09:20,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:09:20,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 23:09:20,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:09:20,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 23:09:20,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 23:09:20,771 INFO L87 Difference]: Start difference. First operand 245 states and 352 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:09:20,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:09:20,894 INFO L93 Difference]: Finished difference Result 486 states and 700 transitions. [2024-11-07 23:09:20,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 23:09:20,895 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2024-11-07 23:09:20,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:09:20,897 INFO L225 Difference]: With dead ends: 486 [2024-11-07 23:09:20,898 INFO L226 Difference]: Without dead ends: 248 [2024-11-07 23:09:20,898 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 23:09:20,899 INFO L432 NwaCegarLoop]: 319 mSDtfsCounter, 87 mSDsluCounter, 852 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 1171 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 23:09:20,899 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 1171 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 23:09:20,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-11-07 23:09:20,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 245. [2024-11-07 23:09:20,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 225 states have (on average 1.4177777777777778) internal successors, (319), 239 states have internal predecessors, (319), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-07 23:09:20,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 345 transitions. [2024-11-07 23:09:20,923 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 345 transitions. Word has length 80 [2024-11-07 23:09:20,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:09:20,923 INFO L471 AbstractCegarLoop]: Abstraction has 245 states and 345 transitions. [2024-11-07 23:09:20,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:09:20,924 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 345 transitions. [2024-11-07 23:09:20,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-07 23:09:20,926 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:09:20,927 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:09:20,927 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 23:09:20,927 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:09:20,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:09:20,928 INFO L85 PathProgramCache]: Analyzing trace with hash 603954361, now seen corresponding path program 1 times [2024-11-07 23:09:20,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:09:20,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268189606] [2024-11-07 23:09:20,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:09:20,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:09:20,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:09:21,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:09:21,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:09:21,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268189606] [2024-11-07 23:09:21,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268189606] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:09:21,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:09:21,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 23:09:21,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327597750] [2024-11-07 23:09:21,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:09:21,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 23:09:21,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:09:21,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 23:09:21,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 23:09:21,134 INFO L87 Difference]: Start difference. First operand 245 states and 345 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:09:21,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:09:21,184 INFO L93 Difference]: Finished difference Result 489 states and 692 transitions. [2024-11-07 23:09:21,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 23:09:21,185 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2024-11-07 23:09:21,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:09:21,187 INFO L225 Difference]: With dead ends: 489 [2024-11-07 23:09:21,187 INFO L226 Difference]: Without dead ends: 251 [2024-11-07 23:09:21,188 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 23:09:21,188 INFO L432 NwaCegarLoop]: 334 mSDtfsCounter, 1 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 646 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 23:09:21,189 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 646 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 23:09:21,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2024-11-07 23:09:21,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 251. [2024-11-07 23:09:21,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 231 states have (on average 1.406926406926407) internal successors, (325), 245 states have internal predecessors, (325), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-07 23:09:21,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 351 transitions. [2024-11-07 23:09:21,207 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 351 transitions. Word has length 80 [2024-11-07 23:09:21,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:09:21,208 INFO L471 AbstractCegarLoop]: Abstraction has 251 states and 351 transitions. [2024-11-07 23:09:21,208 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:09:21,208 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 351 transitions. [2024-11-07 23:09:21,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-07 23:09:21,209 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:09:21,209 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:09:21,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 23:09:21,210 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:09:21,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:09:21,210 INFO L85 PathProgramCache]: Analyzing trace with hash 1085034619, now seen corresponding path program 1 times [2024-11-07 23:09:21,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:09:21,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583618794] [2024-11-07 23:09:21,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:09:21,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:09:21,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:09:21,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:09:21,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:09:21,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583618794] [2024-11-07 23:09:21,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583618794] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:09:21,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:09:21,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 23:09:21,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498190121] [2024-11-07 23:09:21,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:09:21,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 23:09:21,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:09:21,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 23:09:21,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 23:09:21,425 INFO L87 Difference]: Start difference. First operand 251 states and 351 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:09:21,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:09:21,478 INFO L93 Difference]: Finished difference Result 628 states and 888 transitions. [2024-11-07 23:09:21,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 23:09:21,480 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2024-11-07 23:09:21,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:09:21,483 INFO L225 Difference]: With dead ends: 628 [2024-11-07 23:09:21,484 INFO L226 Difference]: Without dead ends: 384 [2024-11-07 23:09:21,486 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 23:09:21,486 INFO L432 NwaCegarLoop]: 339 mSDtfsCounter, 134 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 670 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 23:09:21,487 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 670 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 23:09:21,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2024-11-07 23:09:21,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 384. [2024-11-07 23:09:21,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 364 states have (on average 1.4203296703296704) internal successors, (517), 378 states have internal predecessors, (517), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-07 23:09:21,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 543 transitions. [2024-11-07 23:09:21,511 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 543 transitions. Word has length 80 [2024-11-07 23:09:21,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:09:21,512 INFO L471 AbstractCegarLoop]: Abstraction has 384 states and 543 transitions. [2024-11-07 23:09:21,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:09:21,513 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 543 transitions. [2024-11-07 23:09:21,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-07 23:09:21,514 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:09:21,514 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:09:21,514 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 23:09:21,515 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:09:21,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:09:21,515 INFO L85 PathProgramCache]: Analyzing trace with hash -1908428790, now seen corresponding path program 1 times [2024-11-07 23:09:21,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:09:21,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720509361] [2024-11-07 23:09:21,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:09:21,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:09:21,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:09:21,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 23:09:21,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:09:21,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-07 23:09:21,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:09:21,883 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 23:09:21,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:09:21,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720509361] [2024-11-07 23:09:21,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720509361] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:09:21,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:09:21,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 23:09:21,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561209616] [2024-11-07 23:09:21,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:09:21,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 23:09:21,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:09:21,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 23:09:21,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 23:09:21,889 INFO L87 Difference]: Start difference. First operand 384 states and 543 transitions. Second operand has 5 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 23:09:22,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:09:22,162 INFO L93 Difference]: Finished difference Result 453 states and 638 transitions. [2024-11-07 23:09:22,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 23:09:22,165 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 95 [2024-11-07 23:09:22,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:09:22,168 INFO L225 Difference]: With dead ends: 453 [2024-11-07 23:09:22,168 INFO L226 Difference]: Without dead ends: 451 [2024-11-07 23:09:22,168 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 23:09:22,171 INFO L432 NwaCegarLoop]: 329 mSDtfsCounter, 192 mSDsluCounter, 894 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 1223 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 23:09:22,171 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 1223 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 23:09:22,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2024-11-07 23:09:22,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 448. [2024-11-07 23:09:22,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 425 states have (on average 1.4) internal successors, (595), 439 states have internal predecessors, (595), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-07 23:09:22,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 627 transitions. [2024-11-07 23:09:22,187 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 627 transitions. Word has length 95 [2024-11-07 23:09:22,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:09:22,188 INFO L471 AbstractCegarLoop]: Abstraction has 448 states and 627 transitions. [2024-11-07 23:09:22,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 23:09:22,188 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 627 transitions. [2024-11-07 23:09:22,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-07 23:09:22,189 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:09:22,189 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:09:22,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 23:09:22,190 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:09:22,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:09:22,191 INFO L85 PathProgramCache]: Analyzing trace with hash 319187996, now seen corresponding path program 1 times [2024-11-07 23:09:22,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:09:22,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438325696] [2024-11-07 23:09:22,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:09:22,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:09:22,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:09:22,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 23:09:22,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:09:22,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-07 23:09:22,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:09:22,512 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 23:09:22,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:09:22,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438325696] [2024-11-07 23:09:22,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438325696] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:09:22,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [477742172] [2024-11-07 23:09:22,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:09:22,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:09:22,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:09:22,518 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 23:09:22,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-07 23:09:22,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:09:22,825 INFO L255 TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 23:09:22,831 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:09:23,029 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 23:09:23,030 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 23:09:23,219 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 23:09:23,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [477742172] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 23:09:23,220 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 23:09:23,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2024-11-07 23:09:23,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422859424] [2024-11-07 23:09:23,220 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 23:09:23,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 23:09:23,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:09:23,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 23:09:23,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-07 23:09:23,224 INFO L87 Difference]: Start difference. First operand 448 states and 627 transitions. Second operand has 11 states, 11 states have (on average 24.09090909090909) internal successors, (265), 10 states have internal predecessors, (265), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-07 23:09:23,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:09:23,612 INFO L93 Difference]: Finished difference Result 690 states and 981 transitions. [2024-11-07 23:09:23,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 23:09:23,612 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 24.09090909090909) internal successors, (265), 10 states have internal predecessors, (265), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 100 [2024-11-07 23:09:23,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:09:23,616 INFO L225 Difference]: With dead ends: 690 [2024-11-07 23:09:23,616 INFO L226 Difference]: Without dead ends: 656 [2024-11-07 23:09:23,617 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-07 23:09:23,618 INFO L432 NwaCegarLoop]: 327 mSDtfsCounter, 729 mSDsluCounter, 2138 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 743 SdHoareTripleChecker+Valid, 2465 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 23:09:23,618 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [743 Valid, 2465 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 23:09:23,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2024-11-07 23:09:23,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 653. [2024-11-07 23:09:23,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 653 states, 627 states have (on average 1.3971291866028708) internal successors, (876), 641 states have internal predecessors, (876), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 10 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-07 23:09:23,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 914 transitions. [2024-11-07 23:09:23,639 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 914 transitions. Word has length 100 [2024-11-07 23:09:23,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:09:23,639 INFO L471 AbstractCegarLoop]: Abstraction has 653 states and 914 transitions. [2024-11-07 23:09:23,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 24.09090909090909) internal successors, (265), 10 states have internal predecessors, (265), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-07 23:09:23,639 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 914 transitions. [2024-11-07 23:09:23,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-07 23:09:23,640 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:09:23,641 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:09:23,660 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-07 23:09:23,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:09:23,845 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:09:23,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:09:23,846 INFO L85 PathProgramCache]: Analyzing trace with hash 1284016587, now seen corresponding path program 1 times [2024-11-07 23:09:23,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:09:23,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889299745] [2024-11-07 23:09:23,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:09:23,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:09:24,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:09:24,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 23:09:24,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:09:24,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-07 23:09:24,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:09:24,400 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-07 23:09:24,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:09:24,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889299745] [2024-11-07 23:09:24,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [889299745] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:09:24,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1966154137] [2024-11-07 23:09:24,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:09:24,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:09:24,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:09:24,403 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 23:09:24,406 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-07 23:09:24,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:09:24,706 INFO L255 TraceCheckSpWp]: Trace formula consists of 560 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-07 23:09:24,711 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:09:24,749 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-07 23:09:24,783 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-11-07 23:09:25,652 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 23:09:25,652 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 23:09:25,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1966154137] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:09:25,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 23:09:25,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [5] total 15 [2024-11-07 23:09:25,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564389464] [2024-11-07 23:09:25,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:09:25,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 23:09:25,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:09:25,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 23:09:25,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2024-11-07 23:09:25,654 INFO L87 Difference]: Start difference. First operand 653 states and 914 transitions. Second operand has 12 states, 12 states have (on average 7.833333333333333) internal successors, (94), 12 states have internal predecessors, (94), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 23:09:28,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:09:28,059 INFO L93 Difference]: Finished difference Result 1250 states and 1745 transitions. [2024-11-07 23:09:28,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 23:09:28,062 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.833333333333333) internal successors, (94), 12 states have internal predecessors, (94), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 101 [2024-11-07 23:09:28,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:09:28,066 INFO L225 Difference]: With dead ends: 1250 [2024-11-07 23:09:28,066 INFO L226 Difference]: Without dead ends: 690 [2024-11-07 23:09:28,067 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=112, Invalid=394, Unknown=0, NotChecked=0, Total=506 [2024-11-07 23:09:28,068 INFO L432 NwaCegarLoop]: 365 mSDtfsCounter, 762 mSDsluCounter, 1690 mSDsCounter, 0 mSdLazyCounter, 1078 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 764 SdHoareTripleChecker+Valid, 2055 SdHoareTripleChecker+Invalid, 1086 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1078 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-07 23:09:28,068 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [764 Valid, 2055 Invalid, 1086 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1078 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-07 23:09:28,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 690 states. [2024-11-07 23:09:28,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 690 to 685. [2024-11-07 23:09:28,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 685 states, 659 states have (on average 1.385432473444613) internal successors, (913), 673 states have internal predecessors, (913), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 10 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-07 23:09:28,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 685 states and 951 transitions. [2024-11-07 23:09:28,106 INFO L78 Accepts]: Start accepts. Automaton has 685 states and 951 transitions. Word has length 101 [2024-11-07 23:09:28,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:09:28,106 INFO L471 AbstractCegarLoop]: Abstraction has 685 states and 951 transitions. [2024-11-07 23:09:28,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.833333333333333) internal successors, (94), 12 states have internal predecessors, (94), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 23:09:28,106 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 951 transitions. [2024-11-07 23:09:28,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-07 23:09:28,107 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:09:28,108 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:09:28,127 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-07 23:09:28,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:09:28,313 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:09:28,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:09:28,313 INFO L85 PathProgramCache]: Analyzing trace with hash -911140202, now seen corresponding path program 1 times [2024-11-07 23:09:28,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:09:28,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426384111] [2024-11-07 23:09:28,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:09:28,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:09:28,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:09:28,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 23:09:28,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:09:28,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-07 23:09:28,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:09:28,663 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-07 23:09:28,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:09:28,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426384111] [2024-11-07 23:09:28,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426384111] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:09:28,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [666951532] [2024-11-07 23:09:28,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:09:28,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:09:28,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:09:28,667 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 23:09:28,669 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-07 23:09:29,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:09:29,074 INFO L255 TraceCheckSpWp]: Trace formula consists of 561 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-07 23:09:29,078 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:10:40,460 WARN L286 SmtUtils]: Spent 5.46s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-07 23:10:49,915 WARN L286 SmtUtils]: Spent 5.14s on a formula simplification. DAG size of input: 30 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)