./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test3-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test3-2.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! overflow) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', 'be29e8161f6a6b8e8b181f151bf5388e6a9e3237ae426f572d4ceda403cee9b8'] 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_BER_nondet_test3-2.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash be29e8161f6a6b8e8b181f151bf5388e6a9e3237ae426f572d4ceda403cee9b8 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 23:02:47,050 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 23:02:47,135 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-07 23:02:47,143 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 23:02:47,144 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 23:02:47,170 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 23:02:47,173 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 23:02:47,173 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 23:02:47,173 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 23:02:47,174 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 23:02:47,174 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 23:02:47,174 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 23:02:47,175 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 23:02:47,175 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 23:02:47,176 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 23:02:47,176 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 23:02:47,177 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 23:02:47,177 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 23:02:47,177 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 23:02:47,177 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 23:02:47,177 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 23:02:47,177 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 23:02:47,177 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 23:02:47,178 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 23:02:47,178 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 23:02:47,178 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 23:02:47,178 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 23:02:47,178 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 23:02:47,178 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 23:02:47,179 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 23:02:47,179 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 23:02:47,179 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 23:02:47,179 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 23:02:47,179 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 23:02:47,179 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 23:02:47,180 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 23:02:47,180 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 23:02:47,180 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 23:02:47,180 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 23:02:47,180 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 23:02:47,180 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 23:02:47,181 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 23:02:47,181 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 23:02:47,181 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 23:02:47,181 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 -> be29e8161f6a6b8e8b181f151bf5388e6a9e3237ae426f572d4ceda403cee9b8 [2024-11-07 23:02:47,431 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 23:02:47,438 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 23:02:47,440 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 23:02:47,441 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 23:02:47,441 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 23:02:47,443 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test3-2.i [2024-11-07 23:02:48,676 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 23:02:48,973 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 23:02:48,976 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test3-2.i [2024-11-07 23:02:48,992 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/15d6478f7/440f1a4e5c7f40d0a984a64873d3749f/FLAG87a5f9c52 [2024-11-07 23:02:49,007 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/15d6478f7/440f1a4e5c7f40d0a984a64873d3749f [2024-11-07 23:02:49,009 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 23:02:49,010 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 23:02:49,011 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 23:02:49,011 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 23:02:49,015 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 23:02:49,016 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:02:49" (1/1) ... [2024-11-07 23:02:49,017 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f8a0580 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:02:49, skipping insertion in model container [2024-11-07 23:02:49,017 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:02:49" (1/1) ... [2024-11-07 23:02:49,063 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 23:02:49,438 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 23:02:49,458 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 23:02:49,572 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 23:02:49,610 INFO L204 MainTranslator]: Completed translation [2024-11-07 23:02:49,611 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:02:49 WrapperNode [2024-11-07 23:02:49,612 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 23:02:49,612 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 23:02:49,613 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 23:02:49,613 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 23:02:49,618 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:02:49" (1/1) ... [2024-11-07 23:02:49,658 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:02:49" (1/1) ... [2024-11-07 23:02:49,753 INFO L138 Inliner]: procedures = 177, calls = 325, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1608 [2024-11-07 23:02:49,754 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 23:02:49,754 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 23:02:49,755 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 23:02:49,755 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 23:02:49,766 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:02:49" (1/1) ... [2024-11-07 23:02:49,766 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:02:49" (1/1) ... [2024-11-07 23:02:49,782 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:02:49" (1/1) ... [2024-11-07 23:02:49,872 INFO L175 MemorySlicer]: Split 302 memory accesses to 3 slices as follows [266, 2, 34]. 88 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [0, 2, 0]. The 62 writes are split as follows [58, 0, 4]. [2024-11-07 23:02:49,872 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:02:49" (1/1) ... [2024-11-07 23:02:49,873 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:02:49" (1/1) ... [2024-11-07 23:02:49,920 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:02:49" (1/1) ... [2024-11-07 23:02:49,931 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:02:49" (1/1) ... [2024-11-07 23:02:49,937 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:02:49" (1/1) ... [2024-11-07 23:02:49,943 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:02:49" (1/1) ... [2024-11-07 23:02:49,954 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 23:02:49,959 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 23:02:49,959 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 23:02:49,959 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 23:02:49,960 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:02:49" (1/1) ... [2024-11-07 23:02:49,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 23:02:49,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:02:49,998 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 23:02:50,002 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 23:02:50,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 23:02:50,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 23:02:50,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 23:02:50,026 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 23:02:50,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 23:02:50,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 23:02:50,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 23:02:50,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 23:02:50,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-07 23:02:50,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-07 23:02:50,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-07 23:02:50,027 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-07 23:02:50,027 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-07 23:02:50,027 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-07 23:02:50,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 23:02:50,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 23:02:50,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 23:02:50,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 23:02:50,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 23:02:50,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 23:02:50,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 23:02:50,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 23:02:50,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 23:02:50,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 23:02:50,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 23:02:50,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 23:02:50,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 23:02:50,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 23:02:50,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 23:02:50,252 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 23:02:50,254 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 23:02:51,841 INFO L? ?]: Removed 347 outVars from TransFormulas that were not future-live. [2024-11-07 23:02:51,841 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 23:02:51,864 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 23:02:51,864 INFO L316 CfgBuilder]: Removed 72 assume(true) statements. [2024-11-07 23:02:51,865 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:02:51 BoogieIcfgContainer [2024-11-07 23:02:51,865 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 23:02:51,869 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 23:02:51,870 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 23:02:51,874 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 23:02:51,875 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:02:49" (1/3) ... [2024-11-07 23:02:51,875 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5efe6a2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:02:51, skipping insertion in model container [2024-11-07 23:02:51,875 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:02:49" (2/3) ... [2024-11-07 23:02:51,876 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5efe6a2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:02:51, skipping insertion in model container [2024-11-07 23:02:51,876 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:02:51" (3/3) ... [2024-11-07 23:02:51,877 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_BER_nondet_test3-2.i [2024-11-07 23:02:51,890 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 23:02:51,891 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-07 23:02:51,979 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 23:02:51,991 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;@30a5fc89, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 23:02:51,992 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-07 23:02:51,998 INFO L276 IsEmpty]: Start isEmpty. Operand has 449 states, 435 states have (on average 1.625287356321839) internal successors, (707), 442 states have internal predecessors, (707), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-07 23:02:52,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-07 23:02:52,003 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:02:52,003 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:02:52,004 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:02:52,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:02:52,008 INFO L85 PathProgramCache]: Analyzing trace with hash -408358773, now seen corresponding path program 1 times [2024-11-07 23:02:52,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:02:52,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058242149] [2024-11-07 23:02:52,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:02:52,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:02:52,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:02:52,161 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 23:02:52,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:02:52,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058242149] [2024-11-07 23:02:52,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058242149] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:02:52,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:02:52,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 23:02:52,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212950090] [2024-11-07 23:02:52,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:02:52,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 23:02:52,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:02:52,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 23:02:52,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 23:02:52,186 INFO L87 Difference]: Start difference. First operand has 449 states, 435 states have (on average 1.625287356321839) internal successors, (707), 442 states have internal predecessors, (707), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 23:02:52,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:02:52,248 INFO L93 Difference]: Finished difference Result 894 states and 1431 transitions. [2024-11-07 23:02:52,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 23:02:52,250 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 8 [2024-11-07 23:02:52,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:02:52,259 INFO L225 Difference]: With dead ends: 894 [2024-11-07 23:02:52,259 INFO L226 Difference]: Without dead ends: 403 [2024-11-07 23:02:52,263 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 23:02:52,265 INFO L432 NwaCegarLoop]: 638 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, 638 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 23:02:52,266 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 638 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 23:02:52,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2024-11-07 23:02:52,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 403. [2024-11-07 23:02:52,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 391 states have (on average 1.4552429667519182) internal successors, (569), 397 states have internal predecessors, (569), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-07 23:02:52,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 577 transitions. [2024-11-07 23:02:52,332 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 577 transitions. Word has length 8 [2024-11-07 23:02:52,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:02:52,333 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 577 transitions. [2024-11-07 23:02:52,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 23:02:52,334 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 577 transitions. [2024-11-07 23:02:52,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-07 23:02:52,335 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:02:52,335 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:02:52,335 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 23:02:52,335 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:02:52,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:02:52,337 INFO L85 PathProgramCache]: Analyzing trace with hash -408356851, now seen corresponding path program 1 times [2024-11-07 23:02:52,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:02:52,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703459402] [2024-11-07 23:02:52,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:02:52,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:02:52,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 23:02:52,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [283416471] [2024-11-07 23:02:52,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:02:52,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:02:52,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:02:52,400 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 23:02:52,402 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 23:02:52,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:02:52,594 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-07 23:02:52,600 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:02:52,629 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 23:02:52,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:02:52,668 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 23:02:52,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:02:52,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703459402] [2024-11-07 23:02:52,669 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 23:02:52,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [283416471] [2024-11-07 23:02:52,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [283416471] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:02:52,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:02:52,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 23:02:52,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753702067] [2024-11-07 23:02:52,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:02:52,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 23:02:52,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:02:52,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 23:02:52,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 23:02:52,672 INFO L87 Difference]: Start difference. First operand 403 states and 577 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 23:02:52,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:02:52,846 INFO L93 Difference]: Finished difference Result 795 states and 1144 transitions. [2024-11-07 23:02:52,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 23:02:52,846 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 8 [2024-11-07 23:02:52,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:02:52,851 INFO L225 Difference]: With dead ends: 795 [2024-11-07 23:02:52,851 INFO L226 Difference]: Without dead ends: 793 [2024-11-07 23:02:52,852 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 23:02:52,852 INFO L432 NwaCegarLoop]: 597 mSDtfsCounter, 552 mSDsluCounter, 1144 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 556 SdHoareTripleChecker+Valid, 1741 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 23:02:52,853 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [556 Valid, 1741 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 23:02:52,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2024-11-07 23:02:52,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 409. [2024-11-07 23:02:52,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 397 states have (on average 1.45088161209068) internal successors, (576), 403 states have internal predecessors, (576), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-07 23:02:52,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 584 transitions. [2024-11-07 23:02:52,878 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 584 transitions. Word has length 8 [2024-11-07 23:02:52,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:02:52,880 INFO L471 AbstractCegarLoop]: Abstraction has 409 states and 584 transitions. [2024-11-07 23:02:52,880 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 23:02:52,880 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 584 transitions. [2024-11-07 23:02:52,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-07 23:02:52,883 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:02:52,883 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] [2024-11-07 23:02:52,898 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 23:02:53,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:02:53,088 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:02:53,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:02:53,089 INFO L85 PathProgramCache]: Analyzing trace with hash -1052288590, now seen corresponding path program 1 times [2024-11-07 23:02:53,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:02:53,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594859489] [2024-11-07 23:02:53,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:02:53,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:02:53,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:02:53,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-07 23:02:53,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:02:53,435 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 23:02:53,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:02:53,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594859489] [2024-11-07 23:02:53,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594859489] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:02:53,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:02:53,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 23:02:53,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673416489] [2024-11-07 23:02:53,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:02:53,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 23:02:53,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:02:53,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 23:02:53,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 23:02:53,441 INFO L87 Difference]: Start difference. First operand 409 states and 584 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 23:02:53,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:02:53,528 INFO L93 Difference]: Finished difference Result 604 states and 865 transitions. [2024-11-07 23:02:53,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 23:02:53,529 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 71 [2024-11-07 23:02:53,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:02:53,531 INFO L225 Difference]: With dead ends: 604 [2024-11-07 23:02:53,531 INFO L226 Difference]: Without dead ends: 412 [2024-11-07 23:02:53,531 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 23:02:53,532 INFO L432 NwaCegarLoop]: 549 mSDtfsCounter, 105 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 1554 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 23:02:53,533 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 1554 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 23:02:53,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2024-11-07 23:02:53,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 409. [2024-11-07 23:02:53,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 397 states have (on average 1.433249370277078) internal successors, (569), 403 states have internal predecessors, (569), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-07 23:02:53,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 577 transitions. [2024-11-07 23:02:53,553 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 577 transitions. Word has length 71 [2024-11-07 23:02:53,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:02:53,553 INFO L471 AbstractCegarLoop]: Abstraction has 409 states and 577 transitions. [2024-11-07 23:02:53,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 23:02:53,553 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 577 transitions. [2024-11-07 23:02:53,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-07 23:02:53,559 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:02:53,559 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] [2024-11-07 23:02:53,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 23:02:53,560 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:02:53,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:02:53,560 INFO L85 PathProgramCache]: Analyzing trace with hash 1408941734, now seen corresponding path program 1 times [2024-11-07 23:02:53,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:02:53,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799219717] [2024-11-07 23:02:53,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:02:53,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:02:53,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:02:53,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-07 23:02:53,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:02:53,730 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 23:02:53,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:02:53,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799219717] [2024-11-07 23:02:53,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799219717] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:02:53,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:02:53,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 23:02:53,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035485385] [2024-11-07 23:02:53,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:02:53,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 23:02:53,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:02:53,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 23:02:53,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 23:02:53,732 INFO L87 Difference]: Start difference. First operand 409 states and 577 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 23:02:53,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:02:53,778 INFO L93 Difference]: Finished difference Result 601 states and 848 transitions. [2024-11-07 23:02:53,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 23:02:53,778 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 71 [2024-11-07 23:02:53,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:02:53,782 INFO L225 Difference]: With dead ends: 601 [2024-11-07 23:02:53,782 INFO L226 Difference]: Without dead ends: 404 [2024-11-07 23:02:53,783 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 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 23:02:53,785 INFO L432 NwaCegarLoop]: 568 mSDtfsCounter, 0 mSDsluCounter, 1131 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1699 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 23:02:53,786 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1699 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 23:02:53,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2024-11-07 23:02:53,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 404. [2024-11-07 23:02:53,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 394 states have (on average 1.4340101522842639) internal successors, (565), 399 states have internal predecessors, (565), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 23:02:53,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 571 transitions. [2024-11-07 23:02:53,801 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 571 transitions. Word has length 71 [2024-11-07 23:02:53,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:02:53,802 INFO L471 AbstractCegarLoop]: Abstraction has 404 states and 571 transitions. [2024-11-07 23:02:53,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 23:02:53,802 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 571 transitions. [2024-11-07 23:02:53,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-07 23:02:53,804 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:02:53,804 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] [2024-11-07 23:02:53,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 23:02:53,805 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:02:53,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:02:53,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1797250841, now seen corresponding path program 1 times [2024-11-07 23:02:53,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:02:53,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179374355] [2024-11-07 23:02:53,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:02:53,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:02:53,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:02:53,954 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 23:02:53,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:02:53,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179374355] [2024-11-07 23:02:53,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179374355] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:02:53,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:02:53,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 23:02:53,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659299149] [2024-11-07 23:02:53,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:02:53,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 23:02:53,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:02:53,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 23:02:53,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 23:02:53,957 INFO L87 Difference]: Start difference. First operand 404 states and 571 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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 23:02:53,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:02:53,994 INFO L93 Difference]: Finished difference Result 598 states and 844 transitions. [2024-11-07 23:02:53,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 23:02:53,995 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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 72 [2024-11-07 23:02:53,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:02:53,998 INFO L225 Difference]: With dead ends: 598 [2024-11-07 23:02:53,998 INFO L226 Difference]: Without dead ends: 404 [2024-11-07 23:02:53,998 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 23:02:54,001 INFO L432 NwaCegarLoop]: 563 mSDtfsCounter, 15 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 1100 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 23:02:54,001 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 1100 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 23:02:54,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2024-11-07 23:02:54,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 404. [2024-11-07 23:02:54,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 394 states have (on average 1.4238578680203047) internal successors, (561), 399 states have internal predecessors, (561), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 23:02:54,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 567 transitions. [2024-11-07 23:02:54,013 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 567 transitions. Word has length 72 [2024-11-07 23:02:54,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:02:54,013 INFO L471 AbstractCegarLoop]: Abstraction has 404 states and 567 transitions. [2024-11-07 23:02:54,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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 23:02:54,016 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 567 transitions. [2024-11-07 23:02:54,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-07 23:02:54,017 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:02:54,017 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] [2024-11-07 23:02:54,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 23:02:54,017 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 23:02:54,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:02:54,018 INFO L85 PathProgramCache]: Analyzing trace with hash 508941033, now seen corresponding path program 1 times [2024-11-07 23:02:54,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:02:54,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867278742] [2024-11-07 23:02:54,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:02:54,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:02:54,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:02:54,325 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 23:02:54,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:02:54,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867278742] [2024-11-07 23:02:54,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867278742] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:02:54,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:02:54,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 23:02:54,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639767606] [2024-11-07 23:02:54,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:02:54,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 23:02:54,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:02:54,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 23:02:54,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 23:02:54,327 INFO L87 Difference]: Start difference. First operand 404 states and 567 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 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 23:02:54,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:02:54,409 INFO L93 Difference]: Finished difference Result 757 states and 1058 transitions. [2024-11-07 23:02:54,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 23:02:54,410 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 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 82 [2024-11-07 23:02:54,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:02:54,411 INFO L225 Difference]: With dead ends: 757 [2024-11-07 23:02:54,413 INFO L226 Difference]: Without dead ends: 362 [2024-11-07 23:02:54,414 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 23:02:54,415 INFO L432 NwaCegarLoop]: 455 mSDtfsCounter, 36 mSDsluCounter, 896 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 1351 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 23:02:54,415 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 1351 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 23:02:54,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2024-11-07 23:02:54,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2024-11-07 23:02:54,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 352 states have (on average 1.375) internal successors, (484), 357 states have internal predecessors, (484), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 23:02:54,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 490 transitions. [2024-11-07 23:02:54,434 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 490 transitions. Word has length 82 [2024-11-07 23:02:54,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:02:54,434 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 490 transitions. [2024-11-07 23:02:54,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 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 23:02:54,435 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 490 transitions. [2024-11-07 23:02:54,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-07 23:02:54,436 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:02:54,436 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] [2024-11-07 23:02:54,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 23:02:54,436 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 23:02:54,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:02:54,436 INFO L85 PathProgramCache]: Analyzing trace with hash 733475413, now seen corresponding path program 1 times [2024-11-07 23:02:54,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:02:54,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682082788] [2024-11-07 23:02:54,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:02:54,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:02:54,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:02:54,635 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 23:02:54,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:02:54,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682082788] [2024-11-07 23:02:54,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682082788] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:02:54,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:02:54,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 23:02:54,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498356402] [2024-11-07 23:02:54,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:02:54,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 23:02:54,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:02:54,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 23:02:54,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 23:02:54,637 INFO L87 Difference]: Start difference. First operand 362 states and 490 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 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 23:02:54,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:02:54,705 INFO L93 Difference]: Finished difference Result 709 states and 964 transitions. [2024-11-07 23:02:54,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 23:02:54,705 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 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 82 [2024-11-07 23:02:54,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:02:54,707 INFO L225 Difference]: With dead ends: 709 [2024-11-07 23:02:54,707 INFO L226 Difference]: Without dead ends: 356 [2024-11-07 23:02:54,708 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 23:02:54,708 INFO L432 NwaCegarLoop]: 457 mSDtfsCounter, 9 mSDsluCounter, 895 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1352 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 23:02:54,709 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1352 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 23:02:54,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2024-11-07 23:02:54,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2024-11-07 23:02:54,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 346 states have (on average 1.369942196531792) internal successors, (474), 351 states have internal predecessors, (474), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 23:02:54,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 480 transitions. [2024-11-07 23:02:54,724 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 480 transitions. Word has length 82 [2024-11-07 23:02:54,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:02:54,725 INFO L471 AbstractCegarLoop]: Abstraction has 356 states and 480 transitions. [2024-11-07 23:02:54,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 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 23:02:54,725 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 480 transitions. [2024-11-07 23:02:54,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-07 23:02:54,726 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:02:54,726 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] [2024-11-07 23:02:54,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 23:02:54,726 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 23:02:54,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:02:54,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1156001885, now seen corresponding path program 1 times [2024-11-07 23:02:54,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:02:54,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950610658] [2024-11-07 23:02:54,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:02:54,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:02:54,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:02:54,903 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 23:02:54,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:02:54,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950610658] [2024-11-07 23:02:54,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950610658] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:02:54,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:02:54,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 23:02:54,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425089021] [2024-11-07 23:02:54,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:02:54,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 23:02:54,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:02:54,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 23:02:54,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 23:02:54,905 INFO L87 Difference]: Start difference. First operand 356 states and 480 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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 23:02:54,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:02:54,972 INFO L93 Difference]: Finished difference Result 920 states and 1254 transitions. [2024-11-07 23:02:54,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 23:02:54,977 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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 82 [2024-11-07 23:02:54,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:02:54,979 INFO L225 Difference]: With dead ends: 920 [2024-11-07 23:02:54,979 INFO L226 Difference]: Without dead ends: 443 [2024-11-07 23:02:54,980 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 23:02:54,981 INFO L432 NwaCegarLoop]: 472 mSDtfsCounter, 251 mSDsluCounter, 450 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 922 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 23:02:54,982 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 922 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 23:02:54,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2024-11-07 23:02:54,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 441. [2024-11-07 23:02:54,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 431 states have (on average 1.359628770301624) internal successors, (586), 436 states have internal predecessors, (586), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 23:02:54,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 592 transitions. [2024-11-07 23:02:54,998 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 592 transitions. Word has length 82 [2024-11-07 23:02:54,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:02:54,998 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 592 transitions. [2024-11-07 23:02:54,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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 23:02:54,999 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 592 transitions. [2024-11-07 23:02:54,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-07 23:02:55,001 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:02:55,001 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] [2024-11-07 23:02:55,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 23:02:55,002 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:02:55,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:02:55,002 INFO L85 PathProgramCache]: Analyzing trace with hash 1998909170, now seen corresponding path program 1 times [2024-11-07 23:02:55,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:02:55,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407250937] [2024-11-07 23:02:55,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:02:55,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:02:55,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:02:55,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-07 23:02:55,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:02:55,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 23:02:55,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:02:55,404 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 23:02:55,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:02:55,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407250937] [2024-11-07 23:02:55,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407250937] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:02:55,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:02:55,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 23:02:55,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195045443] [2024-11-07 23:02:55,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:02:55,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 23:02:55,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:02:55,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 23:02:55,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 23:02:55,407 INFO L87 Difference]: Start difference. First operand 441 states and 592 transitions. Second operand has 5 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 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 23:02:55,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:02:55,710 INFO L93 Difference]: Finished difference Result 703 states and 955 transitions. [2024-11-07 23:02:55,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 23:02:55,711 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 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 97 [2024-11-07 23:02:55,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:02:55,716 INFO L225 Difference]: With dead ends: 703 [2024-11-07 23:02:55,716 INFO L226 Difference]: Without dead ends: 701 [2024-11-07 23:02:55,717 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 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 23:02:55,719 INFO L432 NwaCegarLoop]: 458 mSDtfsCounter, 371 mSDsluCounter, 1295 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 373 SdHoareTripleChecker+Valid, 1753 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 23:02:55,720 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [373 Valid, 1753 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 23:02:55,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 701 states. [2024-11-07 23:02:55,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 701 to 505. [2024-11-07 23:02:55,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 492 states have (on average 1.3495934959349594) internal successors, (664), 497 states have internal predecessors, (664), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 23:02:55,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 676 transitions. [2024-11-07 23:02:55,738 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 676 transitions. Word has length 97 [2024-11-07 23:02:55,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:02:55,738 INFO L471 AbstractCegarLoop]: Abstraction has 505 states and 676 transitions. [2024-11-07 23:02:55,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 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 23:02:55,739 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 676 transitions. [2024-11-07 23:02:55,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-07 23:02:55,743 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:02:55,743 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:02:55,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 23:02:55,743 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:02:55,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:02:55,744 INFO L85 PathProgramCache]: Analyzing trace with hash 18083025, now seen corresponding path program 1 times [2024-11-07 23:02:55,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:02:55,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785573660] [2024-11-07 23:02:55,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:02:55,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:02:56,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:02:56,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-07 23:02:56,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:02:56,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 23:02:56,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:02:56,327 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-07 23:02:56,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:02:56,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785573660] [2024-11-07 23:02:56,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785573660] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:02:56,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [469865125] [2024-11-07 23:02:56,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:02:56,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:02:56,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:02:56,330 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 23:02:56,332 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 23:02:56,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:02:56,729 INFO L255 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-07 23:02:56,737 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:02:56,742 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 23:02:56,766 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 23:02:56,788 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 23:02:57,348 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-07 23:02:57,348 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 55 [2024-11-07 23:02:57,586 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 23:02:57,587 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 23:02:57,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [469865125] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:02:57,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 23:02:57,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 14 [2024-11-07 23:02:57,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54352891] [2024-11-07 23:02:57,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:02:57,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 23:02:57,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:02:57,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 23:02:57,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2024-11-07 23:02:57,589 INFO L87 Difference]: Start difference. First operand 505 states and 676 transitions. Second operand has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 11 states have internal predecessors, (96), 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 23:02:58,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:02:58,584 INFO L93 Difference]: Finished difference Result 1162 states and 1576 transitions. [2024-11-07 23:02:58,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 23:02:58,585 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 11 states have internal predecessors, (96), 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 103 [2024-11-07 23:02:58,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:02:58,588 INFO L225 Difference]: With dead ends: 1162 [2024-11-07 23:02:58,589 INFO L226 Difference]: Without dead ends: 698 [2024-11-07 23:02:58,590 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=89, Invalid=373, Unknown=0, NotChecked=0, Total=462 [2024-11-07 23:02:58,590 INFO L432 NwaCegarLoop]: 443 mSDtfsCounter, 550 mSDsluCounter, 1970 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 552 SdHoareTripleChecker+Valid, 2413 SdHoareTripleChecker+Invalid, 457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 23:02:58,591 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [552 Valid, 2413 Invalid, 457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 452 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 23:02:58,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 698 states. [2024-11-07 23:02:58,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 698 to 505. [2024-11-07 23:02:58,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 492 states have (on average 1.3475609756097562) internal successors, (663), 497 states have internal predecessors, (663), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 23:02:58,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 675 transitions. [2024-11-07 23:02:58,607 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 675 transitions. Word has length 103 [2024-11-07 23:02:58,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:02:58,608 INFO L471 AbstractCegarLoop]: Abstraction has 505 states and 675 transitions. [2024-11-07 23:02:58,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.727272727272727) internal successors, (96), 11 states have internal predecessors, (96), 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 23:02:58,608 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 675 transitions. [2024-11-07 23:02:58,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-07 23:02:58,608 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:02:58,609 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:02:58,627 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-07 23:02:58,812 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 23:02:58,813 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:02:58,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:02:58,814 INFO L85 PathProgramCache]: Analyzing trace with hash 842617750, now seen corresponding path program 1 times [2024-11-07 23:02:58,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:02:58,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090406754] [2024-11-07 23:02:58,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:02:58,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:02:58,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:02:59,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-07 23:02:59,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:02:59,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 23:02:59,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:02:59,198 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-07 23:02:59,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:02:59,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090406754] [2024-11-07 23:02:59,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090406754] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:02:59,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [265123089] [2024-11-07 23:02:59,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:02:59,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:02:59,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:02:59,201 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 23:02:59,203 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 23:02:59,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:02:59,593 INFO L255 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-07 23:02:59,598 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:02:59,836 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 23:02:59,836 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 23:02:59,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [265123089] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:02:59,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 23:02:59,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2024-11-07 23:02:59,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460903685] [2024-11-07 23:02:59,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:02:59,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 23:02:59,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:02:59,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 23:02:59,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-07 23:02:59,840 INFO L87 Difference]: Start difference. First operand 505 states and 675 transitions. Second operand has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 7 states have internal predecessors, (97), 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 23:03:00,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:03:00,184 INFO L93 Difference]: Finished difference Result 979 states and 1323 transitions. [2024-11-07 23:03:00,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 23:03:00,185 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 7 states have internal predecessors, (97), 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 104 [2024-11-07 23:03:00,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:03:00,187 INFO L225 Difference]: With dead ends: 979 [2024-11-07 23:03:00,188 INFO L226 Difference]: Without dead ends: 515 [2024-11-07 23:03:00,189 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-07 23:03:00,189 INFO L432 NwaCegarLoop]: 452 mSDtfsCounter, 11 mSDsluCounter, 1944 mSDsCounter, 0 mSdLazyCounter, 399 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 2396 SdHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 23:03:00,190 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 2396 Invalid, 401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 399 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 23:03:00,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2024-11-07 23:03:00,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 513. [2024-11-07 23:03:00,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 513 states, 500 states have (on average 1.342) internal successors, (671), 505 states have internal predecessors, (671), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 23:03:00,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 683 transitions. [2024-11-07 23:03:00,222 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 683 transitions. Word has length 104 [2024-11-07 23:03:00,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:03:00,222 INFO L471 AbstractCegarLoop]: Abstraction has 513 states and 683 transitions. [2024-11-07 23:03:00,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 7 states have internal predecessors, (97), 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 23:03:00,222 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 683 transitions. [2024-11-07 23:03:00,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-07 23:03:00,224 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:03:00,225 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:03:00,246 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 23:03:00,425 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 23:03:00,426 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:03:00,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:03:00,427 INFO L85 PathProgramCache]: Analyzing trace with hash 1413134563, now seen corresponding path program 1 times [2024-11-07 23:03:00,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:03:00,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925252125] [2024-11-07 23:03:00,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:03:00,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:03:00,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:03:00,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 23:03:00,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:03:00,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 23:03:00,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:03:00,804 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 23:03:00,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:03:00,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925252125] [2024-11-07 23:03:00,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925252125] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:03:00,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:03:00,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 23:03:00,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465491842] [2024-11-07 23:03:00,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:03:00,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 23:03:00,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:03:00,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 23:03:00,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-07 23:03:00,806 INFO L87 Difference]: Start difference. First operand 513 states and 683 transitions. Second operand has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 6 states have internal predecessors, (99), 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 23:03:01,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:03:01,237 INFO L93 Difference]: Finished difference Result 991 states and 1338 transitions. [2024-11-07 23:03:01,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 23:03:01,238 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 6 states have internal predecessors, (99), 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 106 [2024-11-07 23:03:01,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:03:01,240 INFO L225 Difference]: With dead ends: 991 [2024-11-07 23:03:01,241 INFO L226 Difference]: Without dead ends: 522 [2024-11-07 23:03:01,241 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 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 23:03:01,242 INFO L432 NwaCegarLoop]: 461 mSDtfsCounter, 7 mSDsluCounter, 1941 mSDsCounter, 0 mSdLazyCounter, 393 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 2402 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 393 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 23:03:01,242 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 2402 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 393 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 23:03:01,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2024-11-07 23:03:01,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 519. [2024-11-07 23:03:01,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 506 states have (on average 1.3379446640316206) internal successors, (677), 511 states have internal predecessors, (677), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 23:03:01,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 689 transitions. [2024-11-07 23:03:01,258 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 689 transitions. Word has length 106 [2024-11-07 23:03:01,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:03:01,258 INFO L471 AbstractCegarLoop]: Abstraction has 519 states and 689 transitions. [2024-11-07 23:03:01,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 6 states have internal predecessors, (99), 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 23:03:01,259 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 689 transitions. [2024-11-07 23:03:01,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-07 23:03:01,260 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:03:01,260 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:03:01,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 23:03:01,261 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:03:01,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:03:01,261 INFO L85 PathProgramCache]: Analyzing trace with hash 1491713743, now seen corresponding path program 1 times [2024-11-07 23:03:01,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:03:01,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568027676] [2024-11-07 23:03:01,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:03:01,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:03:01,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:03:01,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 23:03:01,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:03:01,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 23:03:01,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:03:01,602 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 23:03:01,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:03:01,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568027676] [2024-11-07 23:03:01,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568027676] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:03:01,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:03:01,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 23:03:01,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702702703] [2024-11-07 23:03:01,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:03:01,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 23:03:01,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:03:01,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 23:03:01,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-07 23:03:01,606 INFO L87 Difference]: Start difference. First operand 519 states and 689 transitions. Second operand has 8 states, 8 states have (on average 12.375) internal successors, (99), 7 states have internal predecessors, (99), 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 23:03:02,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:03:02,138 INFO L93 Difference]: Finished difference Result 993 states and 1337 transitions. [2024-11-07 23:03:02,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 23:03:02,139 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.375) internal successors, (99), 7 states have internal predecessors, (99), 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 106 [2024-11-07 23:03:02,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:03:02,141 INFO L225 Difference]: With dead ends: 993 [2024-11-07 23:03:02,141 INFO L226 Difference]: Without dead ends: 532 [2024-11-07 23:03:02,143 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 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 23:03:02,144 INFO L432 NwaCegarLoop]: 451 mSDtfsCounter, 11 mSDsluCounter, 2318 mSDsCounter, 0 mSdLazyCounter, 494 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 2769 SdHoareTripleChecker+Invalid, 498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 23:03:02,144 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 2769 Invalid, 498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 494 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 23:03:02,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2024-11-07 23:03:02,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 519. [2024-11-07 23:03:02,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 506 states have (on average 1.3379446640316206) internal successors, (677), 511 states have internal predecessors, (677), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 23:03:02,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 689 transitions. [2024-11-07 23:03:02,163 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 689 transitions. Word has length 106 [2024-11-07 23:03:02,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:03:02,163 INFO L471 AbstractCegarLoop]: Abstraction has 519 states and 689 transitions. [2024-11-07 23:03:02,163 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.375) internal successors, (99), 7 states have internal predecessors, (99), 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 23:03:02,164 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 689 transitions. [2024-11-07 23:03:02,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-07 23:03:02,165 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:03:02,165 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:03:02,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-07 23:03:02,165 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:03:02,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:03:02,166 INFO L85 PathProgramCache]: Analyzing trace with hash 996769920, now seen corresponding path program 1 times [2024-11-07 23:03:02,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:03:02,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349311290] [2024-11-07 23:03:02,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:03:02,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:03:02,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:03:02,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 23:03:02,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:03:02,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-07 23:03:02,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:03:02,548 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 23:03:02,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:03:02,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349311290] [2024-11-07 23:03:02,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349311290] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:03:02,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:03:02,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 23:03:02,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040672613] [2024-11-07 23:03:02,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:03:02,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 23:03:02,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:03:02,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 23:03:02,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-07 23:03:02,550 INFO L87 Difference]: Start difference. First operand 519 states and 689 transitions. Second operand has 10 states, 10 states have (on average 10.0) internal successors, (100), 9 states have internal predecessors, (100), 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 23:03:02,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:03:02,967 INFO L93 Difference]: Finished difference Result 998 states and 1341 transitions. [2024-11-07 23:03:02,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 23:03:02,967 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.0) internal successors, (100), 9 states have internal predecessors, (100), 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 107 [2024-11-07 23:03:02,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:03:02,970 INFO L225 Difference]: With dead ends: 998 [2024-11-07 23:03:02,970 INFO L226 Difference]: Without dead ends: 542 [2024-11-07 23:03:02,971 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-07 23:03:02,972 INFO L432 NwaCegarLoop]: 451 mSDtfsCounter, 19 mSDsluCounter, 2413 mSDsCounter, 0 mSdLazyCounter, 471 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 2864 SdHoareTripleChecker+Invalid, 475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 471 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 23:03:02,972 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 2864 Invalid, 475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 471 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 23:03:02,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2024-11-07 23:03:02,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 533. [2024-11-07 23:03:02,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 533 states, 520 states have (on average 1.3365384615384615) internal successors, (695), 525 states have internal predecessors, (695), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 23:03:02,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 707 transitions. [2024-11-07 23:03:02,988 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 707 transitions. Word has length 107 [2024-11-07 23:03:02,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:03:02,988 INFO L471 AbstractCegarLoop]: Abstraction has 533 states and 707 transitions. [2024-11-07 23:03:02,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.0) internal successors, (100), 9 states have internal predecessors, (100), 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 23:03:02,988 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 707 transitions. [2024-11-07 23:03:02,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-07 23:03:02,989 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:03:02,990 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:03:02,990 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-07 23:03:02,990 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:03:02,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:03:02,990 INFO L85 PathProgramCache]: Analyzing trace with hash 622297372, now seen corresponding path program 1 times [2024-11-07 23:03:02,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:03:02,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421709976] [2024-11-07 23:03:02,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:03:02,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:03:03,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:03:03,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 23:03:03,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:03:03,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-07 23:03:03,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:03:03,347 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-07 23:03:03,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:03:03,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421709976] [2024-11-07 23:03:03,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421709976] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:03:03,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1707174734] [2024-11-07 23:03:03,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:03:03,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:03:03,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:03:03,350 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 23:03:03,352 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 23:03:03,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:03:03,734 INFO L255 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-07 23:03:03,739 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:03:03,846 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 23:03:03,846 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 23:03:03,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1707174734] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:03:03,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 23:03:03,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2024-11-07 23:03:03,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047436664] [2024-11-07 23:03:03,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:03:03,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 23:03:03,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:03:03,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 23:03:03,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-07 23:03:03,852 INFO L87 Difference]: Start difference. First operand 533 states and 707 transitions. Second operand has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 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 23:03:04,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:03:04,160 INFO L93 Difference]: Finished difference Result 1006 states and 1347 transitions. [2024-11-07 23:03:04,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 23:03:04,162 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 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 107 [2024-11-07 23:03:04,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:03:04,164 INFO L225 Difference]: With dead ends: 1006 [2024-11-07 23:03:04,164 INFO L226 Difference]: Without dead ends: 543 [2024-11-07 23:03:04,165 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-07 23:03:04,167 INFO L432 NwaCegarLoop]: 446 mSDtfsCounter, 32 mSDsluCounter, 1968 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 2414 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 23:03:04,167 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 2414 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 23:03:04,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2024-11-07 23:03:04,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 537. [2024-11-07 23:03:04,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 537 states, 524 states have (on average 1.333969465648855) internal successors, (699), 529 states have internal predecessors, (699), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 23:03:04,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 711 transitions. [2024-11-07 23:03:04,184 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 711 transitions. Word has length 107 [2024-11-07 23:03:04,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:03:04,184 INFO L471 AbstractCegarLoop]: Abstraction has 537 states and 711 transitions. [2024-11-07 23:03:04,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 7 states have internal predecessors, (100), 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 23:03:04,185 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 711 transitions. [2024-11-07 23:03:04,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-07 23:03:04,185 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:03:04,186 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:03:04,205 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-07 23:03:04,386 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,SelfDestructingSolverStorable14 [2024-11-07 23:03:04,387 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:03:04,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:03:04,387 INFO L85 PathProgramCache]: Analyzing trace with hash 1318216707, now seen corresponding path program 1 times [2024-11-07 23:03:04,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:03:04,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171900397] [2024-11-07 23:03:04,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:03:04,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:03:04,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:03:04,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-07 23:03:04,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:03:04,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-07 23:03:04,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:03:04,818 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 23:03:04,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:03:04,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171900397] [2024-11-07 23:03:04,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171900397] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:03:04,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:03:04,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-07 23:03:04,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827179677] [2024-11-07 23:03:04,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:03:04,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 23:03:04,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:03:04,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 23:03:04,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-07 23:03:04,821 INFO L87 Difference]: Start difference. First operand 537 states and 711 transitions. Second operand has 11 states, 11 states have (on average 9.181818181818182) internal successors, (101), 10 states have internal predecessors, (101), 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 23:03:05,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:03:05,516 INFO L93 Difference]: Finished difference Result 1028 states and 1380 transitions. [2024-11-07 23:03:05,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 23:03:05,516 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.181818181818182) internal successors, (101), 10 states have internal predecessors, (101), 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 108 [2024-11-07 23:03:05,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:03:05,519 INFO L225 Difference]: With dead ends: 1028 [2024-11-07 23:03:05,519 INFO L226 Difference]: Without dead ends: 558 [2024-11-07 23:03:05,520 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-11-07 23:03:05,521 INFO L432 NwaCegarLoop]: 458 mSDtfsCounter, 22 mSDsluCounter, 3178 mSDsCounter, 0 mSdLazyCounter, 732 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 3636 SdHoareTripleChecker+Invalid, 736 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 732 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 23:03:05,521 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 3636 Invalid, 736 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 732 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 23:03:05,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2024-11-07 23:03:05,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 543. [2024-11-07 23:03:05,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 530 states have (on average 1.330188679245283) internal successors, (705), 535 states have internal predecessors, (705), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 23:03:05,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 717 transitions. [2024-11-07 23:03:05,540 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 717 transitions. Word has length 108 [2024-11-07 23:03:05,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:03:05,540 INFO L471 AbstractCegarLoop]: Abstraction has 543 states and 717 transitions. [2024-11-07 23:03:05,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.181818181818182) internal successors, (101), 10 states have internal predecessors, (101), 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 23:03:05,541 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 717 transitions. [2024-11-07 23:03:05,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-07 23:03:05,542 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:03:05,542 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:03:05,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-07 23:03:05,542 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:03:05,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:03:05,543 INFO L85 PathProgramCache]: Analyzing trace with hash -1700497689, now seen corresponding path program 1 times [2024-11-07 23:03:05,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:03:05,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207354471] [2024-11-07 23:03:05,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:03:05,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:03:05,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:03:05,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-07 23:03:05,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:03:05,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-07 23:03:05,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:03:05,824 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-07 23:03:05,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:03:05,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207354471] [2024-11-07 23:03:05,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207354471] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:03:05,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1796996012] [2024-11-07 23:03:05,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:03:05,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:03:05,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:03:05,827 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 23:03:05,829 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 23:03:06,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:03:06,265 INFO L255 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-07 23:03:06,269 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:03:06,279 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 23:03:06,328 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:03:06,328 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 23:03:06,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1796996012] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:03:06,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 23:03:06,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 8 [2024-11-07 23:03:06,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507525775] [2024-11-07 23:03:06,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:03:06,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 23:03:06,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:03:06,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 23:03:06,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-07 23:03:06,331 INFO L87 Difference]: Start difference. First operand 543 states and 717 transitions. Second operand has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 6 states have internal predecessors, (104), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 23:03:06,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:03:06,432 INFO L93 Difference]: Finished difference Result 979 states and 1304 transitions. [2024-11-07 23:03:06,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 23:03:06,433 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 6 states have internal predecessors, (104), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 108 [2024-11-07 23:03:06,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:03:06,436 INFO L225 Difference]: With dead ends: 979 [2024-11-07 23:03:06,436 INFO L226 Difference]: Without dead ends: 546 [2024-11-07 23:03:06,438 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-07 23:03:06,439 INFO L432 NwaCegarLoop]: 464 mSDtfsCounter, 187 mSDsluCounter, 1829 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 2293 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 23:03:06,439 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 2293 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 23:03:06,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 546 states. [2024-11-07 23:03:06,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 546 to 546. [2024-11-07 23:03:06,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 532 states have (on average 1.330827067669173) internal successors, (708), 538 states have internal predecessors, (708), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2024-11-07 23:03:06,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 722 transitions. [2024-11-07 23:03:06,456 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 722 transitions. Word has length 108 [2024-11-07 23:03:06,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:03:06,456 INFO L471 AbstractCegarLoop]: Abstraction has 546 states and 722 transitions. [2024-11-07 23:03:06,457 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 6 states have internal predecessors, (104), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 23:03:06,457 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 722 transitions. [2024-11-07 23:03:06,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-07 23:03:06,458 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:03:06,458 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:03:06,477 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-07 23:03:06,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-07 23:03:06,659 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 23:03:06,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:03:06,659 INFO L85 PathProgramCache]: Analyzing trace with hash 1158666757, now seen corresponding path program 1 times [2024-11-07 23:03:06,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:03:06,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364574891] [2024-11-07 23:03:06,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:03:06,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:03:06,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:03:06,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-07 23:03:06,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:03:07,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 23:03:07,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:03:07,055 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-07 23:03:07,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:03:07,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364574891] [2024-11-07 23:03:07,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364574891] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:03:07,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [168487032] [2024-11-07 23:03:07,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:03:07,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:03:07,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:03:07,065 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 23:03:07,066 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-07 23:03:07,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:03:07,920 INFO L255 TraceCheckSpWp]: Trace formula consists of 643 conjuncts, 106 conjuncts are in the unsatisfiable core [2024-11-07 23:03:07,928 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:03:07,933 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2024-11-07 23:03:08,147 INFO L349 Elim1Store]: treesize reduction 26, result has 35.0 percent of original size [2024-11-07 23:03:08,147 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 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 23:03:08,159 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 15 treesize of output 1 [2024-11-07 23:03:08,164 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 23:03:08,224 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 18 treesize of output 10 [2024-11-07 23:03:08,228 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 7 treesize of output 3 [2024-11-07 23:03:08,361 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-07 23:03:08,362 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45 [2024-11-07 23:03:08,366 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11 [2024-11-07 23:03:49,689 INFO L224 Elim1Store]: Index analysis took 1041 ms