./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-1.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! overflow) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', '8d4416b38cd75f122474354d64a020f92e3751959548582c6308a6e879679f77'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-1.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8d4416b38cd75f122474354d64a020f92e3751959548582c6308a6e879679f77 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 23:15:54,726 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 23:15:54,792 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-07 23:15:54,797 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 23:15:54,799 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 23:15:54,820 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 23:15:54,821 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 23:15:54,821 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 23:15:54,821 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 23:15:54,821 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 23:15:54,821 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 23:15:54,821 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 23:15:54,822 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 23:15:54,822 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 23:15:54,822 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 23:15:54,822 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 23:15:54,822 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 23:15:54,823 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 23:15:54,823 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 23:15:54,823 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 23:15:54,824 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 23:15:54,824 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 23:15:54,824 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 23:15:54,824 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 23:15:54,824 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 23:15:54,824 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 23:15:54,824 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 23:15:54,824 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 23:15:54,824 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 23:15:54,824 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 23:15:54,824 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 23:15:54,824 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 23:15:54,824 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 23:15:54,824 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 23:15:54,824 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 23:15:54,824 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 23:15:54,824 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 23:15:54,824 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 23:15:54,824 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 23:15:54,824 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 23:15:54,824 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 23:15:54,824 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 23:15:54,825 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 23:15:54,825 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 23:15:54,825 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 -> 8d4416b38cd75f122474354d64a020f92e3751959548582c6308a6e879679f77 [2024-11-07 23:15:55,044 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 23:15:55,053 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 23:15:55,056 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 23:15:55,058 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 23:15:55,058 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 23:15:55,059 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-1.i [2024-11-07 23:15:56,190 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 23:15:56,467 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 23:15:56,467 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test4-1.i [2024-11-07 23:15:56,487 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/52a429651/2e29962027484f57b0c72860b761e823/FLAGe9eb109c4 [2024-11-07 23:15:56,759 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/52a429651/2e29962027484f57b0c72860b761e823 [2024-11-07 23:15:56,761 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 23:15:56,762 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 23:15:56,763 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 23:15:56,763 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 23:15:56,766 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 23:15:56,767 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:15:56" (1/1) ... [2024-11-07 23:15:56,767 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fb1a5ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:15:56, skipping insertion in model container [2024-11-07 23:15:56,767 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:15:56" (1/1) ... [2024-11-07 23:15:56,793 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 23:15:57,104 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 23:15:57,112 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 23:15:57,206 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 23:15:57,235 INFO L204 MainTranslator]: Completed translation [2024-11-07 23:15:57,235 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:15:57 WrapperNode [2024-11-07 23:15:57,236 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 23:15:57,237 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 23:15:57,237 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 23:15:57,237 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 23:15:57,243 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:15:57" (1/1) ... [2024-11-07 23:15:57,270 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:15:57" (1/1) ... [2024-11-07 23:15:57,337 INFO L138 Inliner]: procedures = 176, calls = 336, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1597 [2024-11-07 23:15:57,337 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 23:15:57,338 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 23:15:57,338 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 23:15:57,338 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 23:15:57,345 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:15:57" (1/1) ... [2024-11-07 23:15:57,346 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:15:57" (1/1) ... [2024-11-07 23:15:57,359 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:15:57" (1/1) ... [2024-11-07 23:15:57,430 INFO L175 MemorySlicer]: Split 309 memory accesses to 2 slices as follows [2, 307]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 82 writes are split as follows [0, 82]. [2024-11-07 23:15:57,430 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:15:57" (1/1) ... [2024-11-07 23:15:57,431 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:15:57" (1/1) ... [2024-11-07 23:15:57,462 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:15:57" (1/1) ... [2024-11-07 23:15:57,470 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:15:57" (1/1) ... [2024-11-07 23:15:57,473 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:15:57" (1/1) ... [2024-11-07 23:15:57,478 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:15:57" (1/1) ... [2024-11-07 23:15:57,489 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 23:15:57,489 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 23:15:57,490 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 23:15:57,490 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 23:15:57,490 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:15:57" (1/1) ... [2024-11-07 23:15:57,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 23:15:57,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:15:57,517 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 23:15:57,519 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 23:15:57,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 23:15:57,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 23:15:57,538 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 23:15:57,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 23:15:57,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 23:15:57,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 23:15:57,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-07 23:15:57,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-07 23:15:57,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-07 23:15:57,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-07 23:15:57,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 23:15:57,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 23:15:57,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 23:15:57,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 23:15:57,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 23:15:57,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 23:15:57,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 23:15:57,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 23:15:57,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 23:15:57,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 23:15:57,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 23:15:57,707 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 23:15:57,709 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 23:15:58,876 INFO L? ?]: Removed 393 outVars from TransFormulas that were not future-live. [2024-11-07 23:15:58,877 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 23:15:58,894 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 23:15:58,895 INFO L316 CfgBuilder]: Removed 60 assume(true) statements. [2024-11-07 23:15:58,895 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:15:58 BoogieIcfgContainer [2024-11-07 23:15:58,895 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 23:15:58,896 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 23:15:58,897 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 23:15:58,900 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 23:15:58,900 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:15:56" (1/3) ... [2024-11-07 23:15:58,901 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39bb7200 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:15:58, skipping insertion in model container [2024-11-07 23:15:58,901 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:15:57" (2/3) ... [2024-11-07 23:15:58,901 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39bb7200 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:15:58, skipping insertion in model container [2024-11-07 23:15:58,901 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:15:58" (3/3) ... [2024-11-07 23:15:58,902 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test4-1.i [2024-11-07 23:15:58,912 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 23:15:58,912 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-07 23:15:58,964 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 23:15:58,975 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;@20e1f2be, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 23:15:58,976 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-07 23:15:58,981 INFO L276 IsEmpty]: Start isEmpty. Operand has 437 states, 412 states have (on average 1.6213592233009708) internal successors, (668), 428 states have internal predecessors, (668), 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 23:15:58,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-07 23:15:58,986 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:15:58,987 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-07 23:15:58,987 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 23:15:58,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:15:58,991 INFO L85 PathProgramCache]: Analyzing trace with hash 1408033094, now seen corresponding path program 1 times [2024-11-07 23:15:58,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:15:58,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127112096] [2024-11-07 23:15:58,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:15:58,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:15:59,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:15:59,087 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 23:15:59,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:15:59,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127112096] [2024-11-07 23:15:59,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127112096] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:15:59,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:15:59,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 23:15:59,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486432194] [2024-11-07 23:15:59,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:15:59,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 23:15:59,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:15:59,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 23:15:59,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 23:15:59,107 INFO L87 Difference]: Start difference. First operand has 437 states, 412 states have (on average 1.6213592233009708) internal successors, (668), 428 states have internal predecessors, (668), 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) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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 23:15:59,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:15:59,151 INFO L93 Difference]: Finished difference Result 870 states and 1407 transitions. [2024-11-07 23:15:59,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 23:15:59,152 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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 23:15:59,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:15:59,160 INFO L225 Difference]: With dead ends: 870 [2024-11-07 23:15:59,161 INFO L226 Difference]: Without dead ends: 430 [2024-11-07 23:15:59,164 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 23:15:59,166 INFO L432 NwaCegarLoop]: 629 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 629 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 23:15:59,167 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 629 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 23:15:59,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2024-11-07 23:15:59,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 430. [2024-11-07 23:15:59,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 407 states have (on average 1.4545454545454546) internal successors, (592), 421 states have internal predecessors, (592), 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 23:15:59,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 624 transitions. [2024-11-07 23:15:59,212 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 624 transitions. Word has length 6 [2024-11-07 23:15:59,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:15:59,212 INFO L471 AbstractCegarLoop]: Abstraction has 430 states and 624 transitions. [2024-11-07 23:15:59,213 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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 23:15:59,213 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 624 transitions. [2024-11-07 23:15:59,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-07 23:15:59,213 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:15:59,213 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-07 23:15:59,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 23:15:59,213 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:15:59,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:15:59,214 INFO L85 PathProgramCache]: Analyzing trace with hash 1364389279, now seen corresponding path program 1 times [2024-11-07 23:15:59,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:15:59,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421786640] [2024-11-07 23:15:59,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:15:59,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:15:59,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:15:59,265 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 23:15:59,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:15:59,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421786640] [2024-11-07 23:15:59,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421786640] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:15:59,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:15:59,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 23:15:59,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123198425] [2024-11-07 23:15:59,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:15:59,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 23:15:59,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:15:59,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 23:15:59,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 23:15:59,267 INFO L87 Difference]: Start difference. First operand 430 states and 624 transitions. 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 23:15:59,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:15:59,320 INFO L93 Difference]: Finished difference Result 850 states and 1238 transitions. [2024-11-07 23:15:59,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 23:15:59,320 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 23:15:59,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:15:59,324 INFO L225 Difference]: With dead ends: 850 [2024-11-07 23:15:59,324 INFO L226 Difference]: Without dead ends: 816 [2024-11-07 23:15:59,324 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 23:15:59,325 INFO L432 NwaCegarLoop]: 666 mSDtfsCounter, 547 mSDsluCounter, 616 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 553 SdHoareTripleChecker+Valid, 1282 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 23:15:59,325 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [553 Valid, 1282 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 23:15:59,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 816 states. [2024-11-07 23:15:59,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 816 to 435. [2024-11-07 23:15:59,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 412 states have (on average 1.4490291262135921) internal successors, (597), 426 states have internal predecessors, (597), 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 23:15:59,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 629 transitions. [2024-11-07 23:15:59,352 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 629 transitions. Word has length 6 [2024-11-07 23:15:59,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:15:59,353 INFO L471 AbstractCegarLoop]: Abstraction has 435 states and 629 transitions. [2024-11-07 23:15:59,353 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 23:15:59,353 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 629 transitions. [2024-11-07 23:15:59,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-07 23:15:59,359 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:15:59,359 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:15:59,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 23:15:59,360 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 23:15:59,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:15:59,360 INFO L85 PathProgramCache]: Analyzing trace with hash -220519858, now seen corresponding path program 1 times [2024-11-07 23:15:59,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:15:59,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057180507] [2024-11-07 23:15:59,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:15:59,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:15:59,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:15:59,873 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 23:15:59,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:15:59,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057180507] [2024-11-07 23:15:59,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057180507] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:15:59,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:15:59,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 23:15:59,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603854956] [2024-11-07 23:15:59,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:15:59,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 23:15:59,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:15:59,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 23:15:59,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 23:15:59,874 INFO L87 Difference]: Start difference. First operand 435 states and 629 transitions. Second operand has 5 states, 5 states have (on average 30.2) internal successors, (151), 5 states have internal predecessors, (151), 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 23:15:59,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:15:59,957 INFO L93 Difference]: Finished difference Result 866 states and 1254 transitions. [2024-11-07 23:15:59,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 23:15:59,957 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.2) internal successors, (151), 5 states have internal predecessors, (151), 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 151 [2024-11-07 23:15:59,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:15:59,959 INFO L225 Difference]: With dead ends: 866 [2024-11-07 23:15:59,959 INFO L226 Difference]: Without dead ends: 438 [2024-11-07 23:15:59,960 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 23:15:59,960 INFO L432 NwaCegarLoop]: 596 mSDtfsCounter, 87 mSDsluCounter, 1683 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 2279 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 23:15:59,961 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 2279 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 23:15:59,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2024-11-07 23:15:59,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 435. [2024-11-07 23:15:59,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 412 states have (on average 1.4320388349514563) internal successors, (590), 426 states have internal predecessors, (590), 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 23:15:59,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 622 transitions. [2024-11-07 23:15:59,978 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 622 transitions. Word has length 151 [2024-11-07 23:15:59,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:15:59,978 INFO L471 AbstractCegarLoop]: Abstraction has 435 states and 622 transitions. [2024-11-07 23:15:59,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.2) internal successors, (151), 5 states have internal predecessors, (151), 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 23:15:59,979 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 622 transitions. [2024-11-07 23:15:59,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-07 23:15:59,985 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:15:59,985 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:15:59,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 23:15:59,986 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 23:15:59,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:15:59,986 INFO L85 PathProgramCache]: Analyzing trace with hash -315882022, now seen corresponding path program 1 times [2024-11-07 23:15:59,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:15:59,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394866484] [2024-11-07 23:15:59,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:15:59,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:16:00,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:00,210 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 23:16:00,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:16:00,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394866484] [2024-11-07 23:16:00,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394866484] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:16:00,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:16:00,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 23:16:00,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999264835] [2024-11-07 23:16:00,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:16:00,211 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 23:16:00,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:16:00,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 23:16:00,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 23:16:00,212 INFO L87 Difference]: Start difference. First operand 435 states and 622 transitions. Second operand has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 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 23:16:00,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:16:00,259 INFO L93 Difference]: Finished difference Result 869 states and 1246 transitions. [2024-11-07 23:16:00,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 23:16:00,260 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 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 151 [2024-11-07 23:16:00,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:16:00,263 INFO L225 Difference]: With dead ends: 869 [2024-11-07 23:16:00,264 INFO L226 Difference]: Without dead ends: 441 [2024-11-07 23:16:00,265 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 23:16:00,266 INFO L432 NwaCegarLoop]: 611 mSDtfsCounter, 1 mSDsluCounter, 589 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1200 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 23:16:00,267 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1200 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 23:16:00,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2024-11-07 23:16:00,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 441. [2024-11-07 23:16:00,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 418 states have (on average 1.4258373205741626) internal successors, (596), 432 states have internal predecessors, (596), 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 23:16:00,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 628 transitions. [2024-11-07 23:16:00,284 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 628 transitions. Word has length 151 [2024-11-07 23:16:00,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:16:00,284 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 628 transitions. [2024-11-07 23:16:00,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 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 23:16:00,284 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 628 transitions. [2024-11-07 23:16:00,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-07 23:16:00,288 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:16:00,288 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:16:00,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 23:16:00,288 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 23:16:00,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:16:00,289 INFO L85 PathProgramCache]: Analyzing trace with hash -803929128, now seen corresponding path program 1 times [2024-11-07 23:16:00,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:16:00,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086152142] [2024-11-07 23:16:00,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:16:00,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:16:00,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:00,487 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 23:16:00,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:16:00,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086152142] [2024-11-07 23:16:00,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086152142] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:16:00,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:16:00,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 23:16:00,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670298914] [2024-11-07 23:16:00,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:16:00,488 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 23:16:00,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:16:00,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 23:16:00,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 23:16:00,489 INFO L87 Difference]: Start difference. First operand 441 states and 628 transitions. Second operand has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 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 23:16:00,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:16:00,525 INFO L93 Difference]: Finished difference Result 1008 states and 1442 transitions. [2024-11-07 23:16:00,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 23:16:00,527 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 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 151 [2024-11-07 23:16:00,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:16:00,530 INFO L225 Difference]: With dead ends: 1008 [2024-11-07 23:16:00,530 INFO L226 Difference]: Without dead ends: 574 [2024-11-07 23:16:00,531 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 23:16:00,531 INFO L432 NwaCegarLoop]: 616 mSDtfsCounter, 134 mSDsluCounter, 609 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 1225 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 23:16:00,531 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 1225 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 23:16:00,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2024-11-07 23:16:00,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 574. [2024-11-07 23:16:00,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 574 states, 551 states have (on average 1.4301270417422867) internal successors, (788), 565 states have internal predecessors, (788), 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 23:16:00,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 574 states and 820 transitions. [2024-11-07 23:16:00,544 INFO L78 Accepts]: Start accepts. Automaton has 574 states and 820 transitions. Word has length 151 [2024-11-07 23:16:00,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:16:00,544 INFO L471 AbstractCegarLoop]: Abstraction has 574 states and 820 transitions. [2024-11-07 23:16:00,547 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 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 23:16:00,547 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 820 transitions. [2024-11-07 23:16:00,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-07 23:16:00,549 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:16:00,549 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:16:00,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 23:16:00,549 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:16:00,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:16:00,549 INFO L85 PathProgramCache]: Analyzing trace with hash -2044506263, now seen corresponding path program 1 times [2024-11-07 23:16:00,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:16:00,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539859937] [2024-11-07 23:16:00,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:16:00,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:16:00,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:00,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 23:16:00,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:00,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-07 23:16:00,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:00,867 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 23:16:00,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:16:00,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539859937] [2024-11-07 23:16:00,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539859937] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:16:00,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:16:00,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 23:16:00,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464412239] [2024-11-07 23:16:00,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:16:00,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 23:16:00,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:16:00,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 23:16:00,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 23:16:00,869 INFO L87 Difference]: Start difference. First operand 574 states and 820 transitions. Second operand has 5 states, 5 states have (on average 31.8) internal successors, (159), 4 states have internal predecessors, (159), 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 23:16:01,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:16:01,254 INFO L93 Difference]: Finished difference Result 969 states and 1384 transitions. [2024-11-07 23:16:01,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 23:16:01,255 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.8) internal successors, (159), 4 states have internal predecessors, (159), 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 166 [2024-11-07 23:16:01,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:16:01,257 INFO L225 Difference]: With dead ends: 969 [2024-11-07 23:16:01,258 INFO L226 Difference]: Without dead ends: 535 [2024-11-07 23:16:01,259 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-07 23:16:01,260 INFO L432 NwaCegarLoop]: 511 mSDtfsCounter, 36 mSDsluCounter, 1382 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 1893 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 23:16:01,260 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 1893 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 23:16:01,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2024-11-07 23:16:01,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 532. [2024-11-07 23:16:01,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 532 states, 509 states have (on average 1.3968565815324165) internal successors, (711), 523 states have internal predecessors, (711), 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 23:16:01,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 532 states and 743 transitions. [2024-11-07 23:16:01,278 INFO L78 Accepts]: Start accepts. Automaton has 532 states and 743 transitions. Word has length 166 [2024-11-07 23:16:01,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:16:01,279 INFO L471 AbstractCegarLoop]: Abstraction has 532 states and 743 transitions. [2024-11-07 23:16:01,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.8) internal successors, (159), 4 states have internal predecessors, (159), 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 23:16:01,279 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 743 transitions. [2024-11-07 23:16:01,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-07 23:16:01,280 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:16:01,280 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:16:01,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 23:16:01,281 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:16:01,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:16:01,281 INFO L85 PathProgramCache]: Analyzing trace with hash -467033507, now seen corresponding path program 1 times [2024-11-07 23:16:01,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:16:01,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007744304] [2024-11-07 23:16:01,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:16:01,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:16:01,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:01,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 23:16:01,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:01,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-07 23:16:01,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:01,552 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 23:16:01,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:16:01,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007744304] [2024-11-07 23:16:01,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007744304] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:16:01,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:16:01,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 23:16:01,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319953383] [2024-11-07 23:16:01,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:16:01,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 23:16:01,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:16:01,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 23:16:01,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 23:16:01,554 INFO L87 Difference]: Start difference. First operand 532 states and 743 transitions. Second operand has 4 states, 4 states have (on average 39.75) internal successors, (159), 3 states have internal predecessors, (159), 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 23:16:01,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:16:01,914 INFO L93 Difference]: Finished difference Result 1073 states and 1497 transitions. [2024-11-07 23:16:01,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 23:16:01,915 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.75) internal successors, (159), 3 states have internal predecessors, (159), 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 166 [2024-11-07 23:16:01,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:16:01,918 INFO L225 Difference]: With dead ends: 1073 [2024-11-07 23:16:01,918 INFO L226 Difference]: Without dead ends: 681 [2024-11-07 23:16:01,919 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 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 23:16:01,919 INFO L432 NwaCegarLoop]: 529 mSDtfsCounter, 249 mSDsluCounter, 929 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 1458 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 23:16:01,920 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 1458 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 23:16:01,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 681 states. [2024-11-07 23:16:01,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 681 to 678. [2024-11-07 23:16:01,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 678 states, 652 states have (on average 1.383435582822086) internal successors, (902), 666 states have internal predecessors, (902), 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 23:16:01,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 678 states and 940 transitions. [2024-11-07 23:16:01,957 INFO L78 Accepts]: Start accepts. Automaton has 678 states and 940 transitions. Word has length 166 [2024-11-07 23:16:01,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:16:01,958 INFO L471 AbstractCegarLoop]: Abstraction has 678 states and 940 transitions. [2024-11-07 23:16:01,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.75) internal successors, (159), 3 states have internal predecessors, (159), 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 23:16:01,958 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 940 transitions. [2024-11-07 23:16:01,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-07 23:16:01,959 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:16:01,960 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:16:01,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 23:16:01,960 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:16:01,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:16:01,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1374700938, now seen corresponding path program 1 times [2024-11-07 23:16:01,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:16:01,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037904143] [2024-11-07 23:16:01,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:16:01,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:16:02,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:02,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 23:16:02,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:02,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-07 23:16:02,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:02,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 23:16:02,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:02,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 23:16:02,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:02,304 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 23:16:02,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:16:02,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037904143] [2024-11-07 23:16:02,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037904143] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:16:02,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:16:02,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 23:16:02,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159173175] [2024-11-07 23:16:02,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:16:02,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 23:16:02,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:16:02,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 23:16:02,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 23:16:02,307 INFO L87 Difference]: Start difference. First operand 678 states and 940 transitions. Second operand has 5 states, 4 states have (on average 41.0) internal successors, (164), 4 states have internal predecessors, (164), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 23:16:02,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:16:02,780 INFO L93 Difference]: Finished difference Result 747 states and 1041 transitions. [2024-11-07 23:16:02,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 23:16:02,781 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 41.0) internal successors, (164), 4 states have internal predecessors, (164), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 181 [2024-11-07 23:16:02,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:16:02,784 INFO L225 Difference]: With dead ends: 747 [2024-11-07 23:16:02,785 INFO L226 Difference]: Without dead ends: 745 [2024-11-07 23:16:02,785 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 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 23:16:02,786 INFO L432 NwaCegarLoop]: 523 mSDtfsCounter, 301 mSDsluCounter, 1433 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 305 SdHoareTripleChecker+Valid, 1956 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 23:16:02,786 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [305 Valid, 1956 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 23:16:02,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2024-11-07 23:16:02,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 742. [2024-11-07 23:16:02,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 742 states, 713 states have (on average 1.3744740532959328) internal successors, (980), 727 states have internal predecessors, (980), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-07 23:16:02,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 1024 transitions. [2024-11-07 23:16:02,806 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 1024 transitions. Word has length 181 [2024-11-07 23:16:02,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:16:02,807 INFO L471 AbstractCegarLoop]: Abstraction has 742 states and 1024 transitions. [2024-11-07 23:16:02,807 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 41.0) internal successors, (164), 4 states have internal predecessors, (164), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 23:16:02,807 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 1024 transitions. [2024-11-07 23:16:02,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-07 23:16:02,811 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:16:02,811 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:16:02,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 23:16:02,811 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:16:02,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:16:02,812 INFO L85 PathProgramCache]: Analyzing trace with hash 1170292628, now seen corresponding path program 1 times [2024-11-07 23:16:02,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:16:02,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457960130] [2024-11-07 23:16:02,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:16:02,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:16:02,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:03,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 23:16:03,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:03,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-07 23:16:03,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:03,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 23:16:03,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:03,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 23:16:03,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:03,136 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 23:16:03,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:16:03,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457960130] [2024-11-07 23:16:03,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457960130] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:16:03,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2073968609] [2024-11-07 23:16:03,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:16:03,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:16:03,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:16:03,139 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 23:16:03,140 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 23:16:03,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:03,504 INFO L255 TraceCheckSpWp]: Trace formula consists of 1025 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 23:16:03,510 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:16:03,717 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 23:16:03,717 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 23:16:03,966 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 23:16:03,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2073968609] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 23:16:03,966 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 23:16:03,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2024-11-07 23:16:03,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693357918] [2024-11-07 23:16:03,967 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 23:16:03,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 23:16:03,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:16:03,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 23:16:03,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-07 23:16:03,969 INFO L87 Difference]: Start difference. First operand 742 states and 1024 transitions. Second operand has 11 states, 11 states have (on average 44.81818181818182) internal successors, (493), 10 states have internal predecessors, (493), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-07 23:16:04,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:16:04,367 INFO L93 Difference]: Finished difference Result 1132 states and 1587 transitions. [2024-11-07 23:16:04,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 23:16:04,368 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 44.81818181818182) internal successors, (493), 10 states have internal predecessors, (493), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 186 [2024-11-07 23:16:04,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:16:04,372 INFO L225 Difference]: With dead ends: 1132 [2024-11-07 23:16:04,372 INFO L226 Difference]: Without dead ends: 1098 [2024-11-07 23:16:04,373 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 383 GetRequests, 374 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-07 23:16:04,373 INFO L432 NwaCegarLoop]: 521 mSDtfsCounter, 1808 mSDsluCounter, 2893 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1836 SdHoareTripleChecker+Valid, 3414 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 23:16:04,373 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1836 Valid, 3414 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 23:16:04,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1098 states. [2024-11-07 23:16:04,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1098 to 1095. [2024-11-07 23:16:04,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1095 states, 1060 states have (on average 1.3726415094339623) internal successors, (1455), 1074 states have internal predecessors, (1455), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 19 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-07 23:16:04,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 1095 states and 1511 transitions. [2024-11-07 23:16:04,396 INFO L78 Accepts]: Start accepts. Automaton has 1095 states and 1511 transitions. Word has length 186 [2024-11-07 23:16:04,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:16:04,396 INFO L471 AbstractCegarLoop]: Abstraction has 1095 states and 1511 transitions. [2024-11-07 23:16:04,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 44.81818181818182) internal successors, (493), 10 states have internal predecessors, (493), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-07 23:16:04,396 INFO L276 IsEmpty]: Start isEmpty. Operand 1095 states and 1511 transitions. [2024-11-07 23:16:04,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-07 23:16:04,398 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:16:04,398 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:16:04,413 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-07 23:16:04,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:16:04,599 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:16:04,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:16:04,599 INFO L85 PathProgramCache]: Analyzing trace with hash 1876231077, now seen corresponding path program 1 times [2024-11-07 23:16:04,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:16:04,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011783383] [2024-11-07 23:16:04,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:16:04,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:16:05,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:05,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-07 23:16:05,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:05,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-07 23:16:05,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:05,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 23:16:05,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:05,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 23:16:05,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:05,355 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-07 23:16:05,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:16:05,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011783383] [2024-11-07 23:16:05,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011783383] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:16:05,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [834725942] [2024-11-07 23:16:05,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:16:05,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:16:05,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:16:05,358 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 23:16:05,359 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 23:16:05,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:05,797 INFO L255 TraceCheckSpWp]: Trace formula consists of 1032 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-07 23:16:05,803 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:16:05,833 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 23:16:05,850 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 27 treesize of output 11 [2024-11-07 23:16:06,462 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 23:16:06,464 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 23:16:06,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [834725942] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:16:06,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 23:16:06,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 14 [2024-11-07 23:16:06,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603880228] [2024-11-07 23:16:06,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:16:06,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 23:16:06,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:16:06,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 23:16:06,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-07 23:16:06,465 INFO L87 Difference]: Start difference. First operand 1095 states and 1511 transitions. Second operand has 11 states, 11 states have (on average 15.454545454545455) internal successors, (170), 11 states have internal predecessors, (170), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 23:16:08,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:16:08,200 INFO L93 Difference]: Finished difference Result 2134 states and 2939 transitions. [2024-11-07 23:16:08,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 23:16:08,201 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 15.454545454545455) internal successors, (170), 11 states have internal predecessors, (170), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 187 [2024-11-07 23:16:08,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:16:08,205 INFO L225 Difference]: With dead ends: 2134 [2024-11-07 23:16:08,205 INFO L226 Difference]: Without dead ends: 1132 [2024-11-07 23:16:08,207 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=101, Invalid=361, Unknown=0, NotChecked=0, Total=462 [2024-11-07 23:16:08,208 INFO L432 NwaCegarLoop]: 559 mSDtfsCounter, 722 mSDsluCounter, 2866 mSDsCounter, 0 mSdLazyCounter, 1182 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 727 SdHoareTripleChecker+Valid, 3425 SdHoareTripleChecker+Invalid, 1186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-07 23:16:08,208 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [727 Valid, 3425 Invalid, 1186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1182 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-07 23:16:08,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1132 states. [2024-11-07 23:16:08,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1132 to 1127. [2024-11-07 23:16:08,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1127 states, 1092 states have (on average 1.3663003663003663) internal successors, (1492), 1106 states have internal predecessors, (1492), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 19 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-07 23:16:08,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 1127 states and 1548 transitions. [2024-11-07 23:16:08,242 INFO L78 Accepts]: Start accepts. Automaton has 1127 states and 1548 transitions. Word has length 187 [2024-11-07 23:16:08,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:16:08,243 INFO L471 AbstractCegarLoop]: Abstraction has 1127 states and 1548 transitions. [2024-11-07 23:16:08,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 15.454545454545455) internal successors, (170), 11 states have internal predecessors, (170), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 23:16:08,244 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 1548 transitions. [2024-11-07 23:16:08,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-07 23:16:08,245 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:16:08,245 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:16:08,262 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 23:16:08,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:16:08,450 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:16:08,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:16:08,450 INFO L85 PathProgramCache]: Analyzing trace with hash 2110538288, now seen corresponding path program 1 times [2024-11-07 23:16:08,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:16:08,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593736838] [2024-11-07 23:16:08,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:16:08,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:16:08,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:09,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 23:16:09,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:09,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-07 23:16:09,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:09,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 23:16:09,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:09,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-07 23:16:09,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:09,143 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-07 23:16:09,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:16:09,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593736838] [2024-11-07 23:16:09,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593736838] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:16:09,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1461485031] [2024-11-07 23:16:09,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:16:09,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:16:09,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:16:09,146 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 23:16:09,147 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 23:16:09,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:09,597 INFO L255 TraceCheckSpWp]: Trace formula consists of 1033 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-07 23:16:09,601 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:16:09,641 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 23:16:09,642 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 23:16:09,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1461485031] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:16:09,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 23:16:09,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2024-11-07 23:16:09,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896667136] [2024-11-07 23:16:09,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:16:09,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 23:16:09,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:16:09,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 23:16:09,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 23:16:09,643 INFO L87 Difference]: Start difference. First operand 1127 states and 1548 transitions. Second operand has 4 states, 4 states have (on average 42.75) internal successors, (171), 4 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 23:16:09,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:16:09,826 INFO L93 Difference]: Finished difference Result 2220 states and 3049 transitions. [2024-11-07 23:16:09,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 23:16:09,826 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.75) internal successors, (171), 4 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 188 [2024-11-07 23:16:09,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:16:09,830 INFO L225 Difference]: With dead ends: 2220 [2024-11-07 23:16:09,830 INFO L226 Difference]: Without dead ends: 1218 [2024-11-07 23:16:09,833 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-07 23:16:09,833 INFO L432 NwaCegarLoop]: 525 mSDtfsCounter, 17 mSDsluCounter, 860 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 1385 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 23:16:09,834 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 1385 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 23:16:09,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1218 states. [2024-11-07 23:16:09,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1218 to 1194. [2024-11-07 23:16:09,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1194 states, 1159 states have (on average 1.355478861087144) internal successors, (1571), 1173 states have internal predecessors, (1571), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 19 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-07 23:16:09,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 1194 states and 1627 transitions. [2024-11-07 23:16:09,860 INFO L78 Accepts]: Start accepts. Automaton has 1194 states and 1627 transitions. Word has length 188 [2024-11-07 23:16:09,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:16:09,860 INFO L471 AbstractCegarLoop]: Abstraction has 1194 states and 1627 transitions. [2024-11-07 23:16:09,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.75) internal successors, (171), 4 states have internal predecessors, (171), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 23:16:09,860 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 1627 transitions. [2024-11-07 23:16:09,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-07 23:16:09,861 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:16:09,861 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:16:09,877 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-07 23:16:10,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:16:10,066 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:16:10,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:16:10,066 INFO L85 PathProgramCache]: Analyzing trace with hash 1224994656, now seen corresponding path program 1 times [2024-11-07 23:16:10,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:16:10,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959875811] [2024-11-07 23:16:10,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:16:10,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:16:10,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:10,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-07 23:16:10,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:10,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 23:16:10,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:10,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 23:16:10,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:10,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-07 23:16:10,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:10,371 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 23:16:10,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:16:10,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959875811] [2024-11-07 23:16:10,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959875811] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:16:10,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:16:10,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 23:16:10,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260563720] [2024-11-07 23:16:10,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:16:10,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 23:16:10,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:16:10,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 23:16:10,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-07 23:16:10,373 INFO L87 Difference]: Start difference. First operand 1194 states and 1627 transitions. Second operand has 7 states, 7 states have (on average 24.571428571428573) internal successors, (172), 6 states have internal predecessors, (172), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 23:16:10,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:16:10,949 INFO L93 Difference]: Finished difference Result 2280 states and 3131 transitions. [2024-11-07 23:16:10,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 23:16:10,950 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.571428571428573) internal successors, (172), 6 states have internal predecessors, (172), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 189 [2024-11-07 23:16:10,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:16:10,954 INFO L225 Difference]: With dead ends: 2280 [2024-11-07 23:16:10,955 INFO L226 Difference]: Without dead ends: 1215 [2024-11-07 23:16:10,956 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-07 23:16:10,956 INFO L432 NwaCegarLoop]: 520 mSDtfsCounter, 14 mSDsluCounter, 1560 mSDsCounter, 0 mSdLazyCounter, 606 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 2080 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 23:16:10,956 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 2080 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 606 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 23:16:10,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1215 states. [2024-11-07 23:16:10,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1215 to 1206. [2024-11-07 23:16:10,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1206 states, 1171 states have (on average 1.354397950469684) internal successors, (1586), 1185 states have internal predecessors, (1586), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 19 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-07 23:16:10,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1206 states to 1206 states and 1642 transitions. [2024-11-07 23:16:10,982 INFO L78 Accepts]: Start accepts. Automaton has 1206 states and 1642 transitions. Word has length 189 [2024-11-07 23:16:10,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:16:10,982 INFO L471 AbstractCegarLoop]: Abstraction has 1206 states and 1642 transitions. [2024-11-07 23:16:10,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.571428571428573) internal successors, (172), 6 states have internal predecessors, (172), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 23:16:10,982 INFO L276 IsEmpty]: Start isEmpty. Operand 1206 states and 1642 transitions. [2024-11-07 23:16:10,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-07 23:16:10,984 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:16:10,984 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:16:10,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 23:16:10,985 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:16:10,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:16:10,985 INFO L85 PathProgramCache]: Analyzing trace with hash 550054889, now seen corresponding path program 1 times [2024-11-07 23:16:10,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:16:10,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090028747] [2024-11-07 23:16:10,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:16:10,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:16:11,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:11,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-07 23:16:11,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:11,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 23:16:11,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:11,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 23:16:11,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:11,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-07 23:16:11,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:11,296 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 23:16:11,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:16:11,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090028747] [2024-11-07 23:16:11,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090028747] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:16:11,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:16:11,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 23:16:11,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781834920] [2024-11-07 23:16:11,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:16:11,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 23:16:11,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:16:11,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 23:16:11,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-07 23:16:11,299 INFO L87 Difference]: Start difference. First operand 1206 states and 1642 transitions. Second operand has 8 states, 8 states have (on average 21.625) internal successors, (173), 7 states have internal predecessors, (173), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 23:16:12,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:16:12,036 INFO L93 Difference]: Finished difference Result 2308 states and 3169 transitions. [2024-11-07 23:16:12,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 23:16:12,036 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 21.625) internal successors, (173), 7 states have internal predecessors, (173), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 190 [2024-11-07 23:16:12,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:16:12,041 INFO L225 Difference]: With dead ends: 2308 [2024-11-07 23:16:12,041 INFO L226 Difference]: Without dead ends: 1242 [2024-11-07 23:16:12,042 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-07 23:16:12,043 INFO L432 NwaCegarLoop]: 510 mSDtfsCounter, 18 mSDsluCounter, 2277 mSDsCounter, 0 mSdLazyCounter, 936 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 2787 SdHoareTripleChecker+Invalid, 953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 936 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 23:16:12,043 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 2787 Invalid, 953 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 936 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 23:16:12,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1242 states. [2024-11-07 23:16:12,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1242 to 1230. [2024-11-07 23:16:12,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1230 states, 1195 states have (on average 1.3548117154811716) internal successors, (1619), 1209 states have internal predecessors, (1619), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 19 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-07 23:16:12,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1230 states to 1230 states and 1675 transitions. [2024-11-07 23:16:12,071 INFO L78 Accepts]: Start accepts. Automaton has 1230 states and 1675 transitions. Word has length 190 [2024-11-07 23:16:12,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:16:12,071 INFO L471 AbstractCegarLoop]: Abstraction has 1230 states and 1675 transitions. [2024-11-07 23:16:12,071 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.625) internal successors, (173), 7 states have internal predecessors, (173), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 23:16:12,072 INFO L276 IsEmpty]: Start isEmpty. Operand 1230 states and 1675 transitions. [2024-11-07 23:16:12,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-07 23:16:12,073 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:16:12,073 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:16:12,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-07 23:16:12,074 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:16:12,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:16:12,074 INFO L85 PathProgramCache]: Analyzing trace with hash -1910520627, now seen corresponding path program 1 times [2024-11-07 23:16:12,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:16:12,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942867212] [2024-11-07 23:16:12,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:16:12,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:16:12,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:12,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-07 23:16:12,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:12,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 23:16:12,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:12,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-07 23:16:12,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:12,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-07 23:16:12,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:12,514 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-07 23:16:12,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:16:12,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942867212] [2024-11-07 23:16:12,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942867212] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:16:12,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [433861133] [2024-11-07 23:16:12,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:16:12,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:16:12,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:16:12,516 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 23:16:12,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-07 23:16:13,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:13,180 INFO L255 TraceCheckSpWp]: Trace formula consists of 1032 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-07 23:16:13,183 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:16:13,214 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-07 23:16:13,214 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 23:16:13,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [433861133] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:16:13,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 23:16:13,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 6 [2024-11-07 23:16:13,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964589521] [2024-11-07 23:16:13,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:16:13,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 23:16:13,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:16:13,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 23:16:13,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 23:16:13,215 INFO L87 Difference]: Start difference. First operand 1230 states and 1675 transitions. Second operand has 4 states, 4 states have (on average 44.0) internal successors, (176), 4 states have internal predecessors, (176), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 23:16:13,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:16:13,253 INFO L93 Difference]: Finished difference Result 2275 states and 3114 transitions. [2024-11-07 23:16:13,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 23:16:13,254 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 44.0) internal successors, (176), 4 states have internal predecessors, (176), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 190 [2024-11-07 23:16:13,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:16:13,257 INFO L225 Difference]: With dead ends: 2275 [2024-11-07 23:16:13,257 INFO L226 Difference]: Without dead ends: 1233 [2024-11-07 23:16:13,258 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 23:16:13,259 INFO L432 NwaCegarLoop]: 530 mSDtfsCounter, 0 mSDsluCounter, 1053 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1583 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 23:16:13,259 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1583 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 23:16:13,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1233 states. [2024-11-07 23:16:13,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1233 to 1233. [2024-11-07 23:16:13,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1233 states, 1197 states have (on average 1.3550543024227235) internal successors, (1622), 1212 states have internal predecessors, (1622), 28 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (34), 19 states have call predecessors, (34), 28 states have call successors, (34) [2024-11-07 23:16:13,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1233 states to 1233 states and 1684 transitions. [2024-11-07 23:16:13,287 INFO L78 Accepts]: Start accepts. Automaton has 1233 states and 1684 transitions. Word has length 190 [2024-11-07 23:16:13,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:16:13,287 INFO L471 AbstractCegarLoop]: Abstraction has 1233 states and 1684 transitions. [2024-11-07 23:16:13,287 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 44.0) internal successors, (176), 4 states have internal predecessors, (176), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 23:16:13,287 INFO L276 IsEmpty]: Start isEmpty. Operand 1233 states and 1684 transitions. [2024-11-07 23:16:13,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-07 23:16:13,289 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:16:13,289 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:16:13,308 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-07 23:16:13,490 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 23:16:13,490 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:16:13,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:16:13,491 INFO L85 PathProgramCache]: Analyzing trace with hash -178802935, now seen corresponding path program 1 times [2024-11-07 23:16:13,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:16:13,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030739945] [2024-11-07 23:16:13,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:16:13,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:16:14,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:14,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-07 23:16:14,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:14,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-07 23:16:14,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:14,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-07 23:16:14,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:14,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 23:16:14,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:14,342 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 5 proven. 19 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-07 23:16:14,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:16:14,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030739945] [2024-11-07 23:16:14,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030739945] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:16:14,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [960385735] [2024-11-07 23:16:14,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:16:14,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:16:14,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:16:14,345 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 23:16:14,346 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-07 23:16:14,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:16:15,002 INFO L255 TraceCheckSpWp]: Trace formula consists of 1092 conjuncts, 151 conjuncts are in the unsatisfiable core [2024-11-07 23:16:15,011 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:16:15,023 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-07 23:16:15,058 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 23:16:15,383 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 11 [2024-11-07 23:16:15,396 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 11 [2024-11-07 23:16:15,405 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-07 23:16:15,412 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 23:16:15,430 INFO L349 Elim1Store]: treesize reduction 26, result has 35.0 percent of original size [2024-11-07 23:16:15,431 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 29 [2024-11-07 23:16:15,441 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-07 23:16:15,498 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-07 23:16:15,501 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-11-07 23:16:15,504 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-11-07 23:16:15,623 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-07 23:16:15,623 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 57 [2024-11-07 23:16:15,626 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11 [2024-11-07 23:16:15,636 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11 [2024-11-07 23:17:05,500 INFO L224 Elim1Store]: Index analysis took 928 ms