./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_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_JEN_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', '096e364e485b0e5279ae2fe39d9edab416c1da593e20bd1edd3d0a079c23fdc3'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_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 096e364e485b0e5279ae2fe39d9edab416c1da593e20bd1edd3d0a079c23fdc3 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 23:09:50,214 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 23:09:50,304 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-07 23:09:50,308 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 23:09:50,310 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 23:09:50,328 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 23:09:50,328 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 23:09:50,328 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 23:09:50,329 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 23:09:50,329 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 23:09:50,329 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 23:09:50,329 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 23:09:50,329 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 23:09:50,330 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 23:09:50,330 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 23:09:50,330 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 23:09:50,330 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 23:09:50,330 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 23:09:50,330 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 23:09:50,330 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 23:09:50,331 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 23:09:50,331 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 23:09:50,331 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 23:09:50,331 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 23:09:50,331 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 23:09:50,331 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 23:09:50,331 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 23:09:50,331 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 23:09:50,331 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 23:09:50,332 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 23:09:50,332 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 23:09:50,332 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 23:09:50,332 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 23:09:50,332 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 23:09:50,332 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 23:09:50,332 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 23:09:50,332 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 23:09:50,333 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 23:09:50,333 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 23:09:50,333 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 23:09:50,333 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 23:09:50,333 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 23:09:50,333 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 23:09:50,333 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 23:09:50,333 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 -> 096e364e485b0e5279ae2fe39d9edab416c1da593e20bd1edd3d0a079c23fdc3 [2024-11-07 23:09:50,574 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 23:09:50,583 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 23:09:50,585 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 23:09:50,586 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 23:09:50,586 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 23:09:50,587 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.i [2024-11-07 23:09:51,825 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 23:09:52,189 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 23:09:52,190 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.i [2024-11-07 23:09:52,211 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/80d2008bf/984bf24a67dd41fd9ec11240ac873df4/FLAGdd837858b [2024-11-07 23:09:52,235 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/80d2008bf/984bf24a67dd41fd9ec11240ac873df4 [2024-11-07 23:09:52,237 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 23:09:52,238 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 23:09:52,239 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 23:09:52,240 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 23:09:52,244 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 23:09:52,245 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:09:52" (1/1) ... [2024-11-07 23:09:52,245 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63332695 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:09:52, skipping insertion in model container [2024-11-07 23:09:52,245 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:09:52" (1/1) ... [2024-11-07 23:09:52,288 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 23:09:52,709 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 23:09:52,722 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 23:09:52,811 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 23:09:52,850 INFO L204 MainTranslator]: Completed translation [2024-11-07 23:09:52,851 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:09:52 WrapperNode [2024-11-07 23:09:52,851 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 23:09:52,853 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 23:09:52,853 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 23:09:52,853 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 23:09:52,858 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:09:52" (1/1) ... [2024-11-07 23:09:52,896 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:09:52" (1/1) ... [2024-11-07 23:09:52,980 INFO L138 Inliner]: procedures = 177, calls = 330, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1629 [2024-11-07 23:09:52,980 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 23:09:52,981 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 23:09:52,981 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 23:09:52,981 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 23:09:52,990 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:09:52" (1/1) ... [2024-11-07 23:09:52,990 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:09:52" (1/1) ... [2024-11-07 23:09:53,011 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:09:52" (1/1) ... [2024-11-07 23:09:53,122 INFO L175 MemorySlicer]: Split 303 memory accesses to 3 slices as follows [2, 34, 267]. 88 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 62 writes are split as follows [0, 4, 58]. [2024-11-07 23:09:53,126 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:09:52" (1/1) ... [2024-11-07 23:09:53,127 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:09:52" (1/1) ... [2024-11-07 23:09:53,172 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:09:52" (1/1) ... [2024-11-07 23:09:53,193 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:09:52" (1/1) ... [2024-11-07 23:09:53,204 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:09:52" (1/1) ... [2024-11-07 23:09:53,213 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:09:52" (1/1) ... [2024-11-07 23:09:53,226 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 23:09:53,227 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 23:09:53,228 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 23:09:53,228 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 23:09:53,229 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:09:52" (1/1) ... [2024-11-07 23:09:53,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 23:09:53,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:09:53,260 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 23:09:53,263 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 23:09:53,287 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-07 23:09:53,288 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-07 23:09:53,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 23:09:53,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 23:09:53,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 23:09:53,289 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 23:09:53,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 23:09:53,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 23:09:53,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 23:09:53,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 23:09:53,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-07 23:09:53,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-07 23:09:53,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-07 23:09:53,290 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-07 23:09:53,290 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-07 23:09:53,290 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-07 23:09:53,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 23:09:53,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 23:09:53,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 23:09:53,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 23:09:53,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 23:09:53,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 23:09:53,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 23:09:53,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 23:09:53,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 23:09:53,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 23:09:53,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 23:09:53,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 23:09:53,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 23:09:53,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 23:09:53,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 23:09:53,538 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 23:09:53,540 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 23:09:55,132 INFO L? ?]: Removed 358 outVars from TransFormulas that were not future-live. [2024-11-07 23:09:55,132 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 23:09:55,152 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 23:09:55,153 INFO L316 CfgBuilder]: Removed 72 assume(true) statements. [2024-11-07 23:09:55,153 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:09:55 BoogieIcfgContainer [2024-11-07 23:09:55,153 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 23:09:55,155 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 23:09:55,155 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 23:09:55,159 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 23:09:55,159 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:09:52" (1/3) ... [2024-11-07 23:09:55,160 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ec85b0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:09:55, skipping insertion in model container [2024-11-07 23:09:55,160 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:09:52" (2/3) ... [2024-11-07 23:09:55,161 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ec85b0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:09:55, skipping insertion in model container [2024-11-07 23:09:55,161 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:09:55" (3/3) ... [2024-11-07 23:09:55,162 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test3-2.i [2024-11-07 23:09:55,174 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 23:09:55,175 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-11-07 23:09:55,234 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 23:09:55,243 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;@7300f8fa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 23:09:55,244 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-07 23:09:55,249 INFO L276 IsEmpty]: Start isEmpty. Operand has 464 states, 442 states have (on average 1.6289592760180995) internal successors, (720), 457 states have internal predecessors, (720), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-07 23:09:55,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-07 23:09:55,253 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:09:55,253 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:09:55,253 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-07 23:09:55,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:09:55,257 INFO L85 PathProgramCache]: Analyzing trace with hash 170881670, now seen corresponding path program 1 times [2024-11-07 23:09:55,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:09:55,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749533142] [2024-11-07 23:09:55,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:09:55,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:09:55,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:09:55,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:09:55,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:09:55,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749533142] [2024-11-07 23:09:55,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749533142] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:09:55,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:09:55,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 23:09:55,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763756241] [2024-11-07 23:09:55,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:09:55,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 23:09:55,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:09:55,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 23:09:55,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 23:09:55,449 INFO L87 Difference]: Start difference. First operand has 464 states, 442 states have (on average 1.6289592760180995) internal successors, (720), 457 states have internal predecessors, (720), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:09:55,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:09:55,528 INFO L93 Difference]: Finished difference Result 924 states and 1482 transitions. [2024-11-07 23:09:55,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 23:09:55,529 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-07 23:09:55,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:09:55,537 INFO L225 Difference]: With dead ends: 924 [2024-11-07 23:09:55,537 INFO L226 Difference]: Without dead ends: 420 [2024-11-07 23:09:55,542 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 23:09:55,545 INFO L432 NwaCegarLoop]: 659 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, 659 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 23:09:55,545 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 659 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 23:09:55,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2024-11-07 23:09:55,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 420. [2024-11-07 23:09:55,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 402 states have (on average 1.4601990049751243) internal successors, (587), 414 states have internal predecessors, (587), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-07 23:09:55,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 603 transitions. [2024-11-07 23:09:55,614 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 603 transitions. Word has length 7 [2024-11-07 23:09:55,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:09:55,614 INFO L471 AbstractCegarLoop]: Abstraction has 420 states and 603 transitions. [2024-11-07 23:09:55,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:09:55,614 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 603 transitions. [2024-11-07 23:09:55,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-07 23:09:55,614 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:09:55,614 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:09:55,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 23:09:55,615 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-07 23:09:55,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:09:55,617 INFO L85 PathProgramCache]: Analyzing trace with hash 170883592, now seen corresponding path program 1 times [2024-11-07 23:09:55,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:09:55,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614847894] [2024-11-07 23:09:55,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:09:55,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:09:55,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 23:09:55,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [343567544] [2024-11-07 23:09:55,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:09:55,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:09:55,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:09:55,670 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 23:09:55,672 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-07 23:09:55,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:09:55,859 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 23:09:55,864 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:09:55,890 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-07 23:09:55,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:09:55,964 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 23:09:55,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:09:55,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614847894] [2024-11-07 23:09:55,965 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 23:09:55,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [343567544] [2024-11-07 23:09:55,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [343567544] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:09:55,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:09:55,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 23:09:55,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134510543] [2024-11-07 23:09:55,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:09:55,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 23:09:55,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:09:55,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 23:09:55,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 23:09:55,969 INFO L87 Difference]: Start difference. First operand 420 states and 603 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:09:56,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:09:56,137 INFO L93 Difference]: Finished difference Result 830 states and 1197 transitions. [2024-11-07 23:09:56,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 23:09:56,137 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-07 23:09:56,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:09:56,142 INFO L225 Difference]: With dead ends: 830 [2024-11-07 23:09:56,142 INFO L226 Difference]: Without dead ends: 828 [2024-11-07 23:09:56,142 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 23:09:56,143 INFO L432 NwaCegarLoop]: 625 mSDtfsCounter, 571 mSDsluCounter, 1195 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 579 SdHoareTripleChecker+Valid, 1820 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 23:09:56,143 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [579 Valid, 1820 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 23:09:56,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2024-11-07 23:09:56,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 426. [2024-11-07 23:09:56,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 408 states have (on average 1.4558823529411764) internal successors, (594), 420 states have internal predecessors, (594), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-07 23:09:56,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 610 transitions. [2024-11-07 23:09:56,170 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 610 transitions. Word has length 7 [2024-11-07 23:09:56,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:09:56,171 INFO L471 AbstractCegarLoop]: Abstraction has 426 states and 610 transitions. [2024-11-07 23:09:56,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:09:56,171 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 610 transitions. [2024-11-07 23:09:56,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-07 23:09:56,172 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:09:56,172 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:09:56,185 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 23:09:56,372 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 23:09:56,373 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-07 23:09:56,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:09:56,373 INFO L85 PathProgramCache]: Analyzing trace with hash -157664827, now seen corresponding path program 1 times [2024-11-07 23:09:56,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:09:56,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133364341] [2024-11-07 23:09:56,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:09:56,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:09:56,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:09:56,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:09:56,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:09:56,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133364341] [2024-11-07 23:09:56,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133364341] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:09:56,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:09:56,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 23:09:56,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545645609] [2024-11-07 23:09:56,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:09:56,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 23:09:56,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:09:56,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 23:09:56,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 23:09:56,553 INFO L87 Difference]: Start difference. First operand 426 states and 610 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:09:56,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:09:56,682 INFO L93 Difference]: Finished difference Result 1038 states and 1500 transitions. [2024-11-07 23:09:56,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 23:09:56,683 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 10 [2024-11-07 23:09:56,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:09:56,687 INFO L225 Difference]: With dead ends: 1038 [2024-11-07 23:09:56,687 INFO L226 Difference]: Without dead ends: 827 [2024-11-07 23:09:56,688 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 23:09:56,689 INFO L432 NwaCegarLoop]: 585 mSDtfsCounter, 572 mSDsluCounter, 1156 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 580 SdHoareTripleChecker+Valid, 1741 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 23:09:56,689 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [580 Valid, 1741 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 23:09:56,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 827 states. [2024-11-07 23:09:56,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 827 to 426. [2024-11-07 23:09:56,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 408 states have (on average 1.4534313725490196) internal successors, (593), 420 states have internal predecessors, (593), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-07 23:09:56,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 609 transitions. [2024-11-07 23:09:56,712 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 609 transitions. Word has length 10 [2024-11-07 23:09:56,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:09:56,712 INFO L471 AbstractCegarLoop]: Abstraction has 426 states and 609 transitions. [2024-11-07 23:09:56,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:09:56,713 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 609 transitions. [2024-11-07 23:09:56,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-07 23:09:56,716 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:09:56,716 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] [2024-11-07 23:09:56,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 23:09:56,717 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-07 23:09:56,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:09:56,717 INFO L85 PathProgramCache]: Analyzing trace with hash 205854116, now seen corresponding path program 1 times [2024-11-07 23:09:56,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:09:56,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562857639] [2024-11-07 23:09:56,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:09:56,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:09:56,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:09:57,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:09:57,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:09:57,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562857639] [2024-11-07 23:09:57,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562857639] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:09:57,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:09:57,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 23:09:57,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419010342] [2024-11-07 23:09:57,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:09:57,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 23:09:57,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:09:57,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 23:09:57,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 23:09:57,157 INFO L87 Difference]: Start difference. First operand 426 states and 609 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:09:57,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:09:57,240 INFO L93 Difference]: Finished difference Result 847 states and 1213 transitions. [2024-11-07 23:09:57,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 23:09:57,241 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 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 81 [2024-11-07 23:09:57,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:09:57,244 INFO L225 Difference]: With dead ends: 847 [2024-11-07 23:09:57,244 INFO L226 Difference]: Without dead ends: 429 [2024-11-07 23:09:57,245 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 23:09:57,246 INFO L432 NwaCegarLoop]: 575 mSDtfsCounter, 102 mSDsluCounter, 1131 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 1706 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 23:09:57,247 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 1706 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 23:09:57,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2024-11-07 23:09:57,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 426. [2024-11-07 23:09:57,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 408 states have (on average 1.4362745098039216) internal successors, (586), 420 states have internal predecessors, (586), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-07 23:09:57,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 602 transitions. [2024-11-07 23:09:57,265 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 602 transitions. Word has length 81 [2024-11-07 23:09:57,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:09:57,265 INFO L471 AbstractCegarLoop]: Abstraction has 426 states and 602 transitions. [2024-11-07 23:09:57,266 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:09:57,266 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 602 transitions. [2024-11-07 23:09:57,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-07 23:09:57,267 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:09:57,267 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] [2024-11-07 23:09:57,267 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 23:09:57,267 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-07 23:09:57,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:09:57,268 INFO L85 PathProgramCache]: Analyzing trace with hash 774993816, now seen corresponding path program 1 times [2024-11-07 23:09:57,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:09:57,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945079] [2024-11-07 23:09:57,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:09:57,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:09:57,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:09:57,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:09:57,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:09:57,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945079] [2024-11-07 23:09:57,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945079] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:09:57,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:09:57,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 23:09:57,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791721148] [2024-11-07 23:09:57,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:09:57,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 23:09:57,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:09:57,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 23:09:57,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 23:09:57,514 INFO L87 Difference]: Start difference. First operand 426 states and 602 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:09:57,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:09:57,619 INFO L93 Difference]: Finished difference Result 1155 states and 1655 transitions. [2024-11-07 23:09:57,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 23:09:57,619 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 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 81 [2024-11-07 23:09:57,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:09:57,623 INFO L225 Difference]: With dead ends: 1155 [2024-11-07 23:09:57,623 INFO L226 Difference]: Without dead ends: 737 [2024-11-07 23:09:57,626 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 23:09:57,628 INFO L432 NwaCegarLoop]: 808 mSDtfsCounter, 392 mSDsluCounter, 577 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 397 SdHoareTripleChecker+Valid, 1385 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 23:09:57,631 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [397 Valid, 1385 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 23:09:57,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 737 states. [2024-11-07 23:09:57,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 737 to 715. [2024-11-07 23:09:57,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 715 states, 697 states have (on average 1.4533715925394548) internal successors, (1013), 709 states have internal predecessors, (1013), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-07 23:09:57,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 715 states and 1029 transitions. [2024-11-07 23:09:57,670 INFO L78 Accepts]: Start accepts. Automaton has 715 states and 1029 transitions. Word has length 81 [2024-11-07 23:09:57,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:09:57,670 INFO L471 AbstractCegarLoop]: Abstraction has 715 states and 1029 transitions. [2024-11-07 23:09:57,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 23:09:57,671 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 1029 transitions. [2024-11-07 23:09:57,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-07 23:09:57,673 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:09:57,674 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] [2024-11-07 23:09:57,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 23:09:57,675 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-07 23:09:57,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:09:57,676 INFO L85 PathProgramCache]: Analyzing trace with hash -1547727619, now seen corresponding path program 1 times [2024-11-07 23:09:57,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:09:57,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826918752] [2024-11-07 23:09:57,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:09:57,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:09:57,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:09:57,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 23:09:57,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:09:57,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-07 23:09:57,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:09:57,938 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 23:09:57,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:09:57,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826918752] [2024-11-07 23:09:57,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826918752] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:09:57,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:09:57,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 23:09:57,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098373960] [2024-11-07 23:09:57,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:09:57,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 23:09:57,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:09:57,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 23:09:57,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 23:09:57,945 INFO L87 Difference]: Start difference. First operand 715 states and 1029 transitions. Second operand has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 23:09:58,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:09:58,251 INFO L93 Difference]: Finished difference Result 1367 states and 1974 transitions. [2024-11-07 23:09:58,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 23:09:58,251 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 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 96 [2024-11-07 23:09:58,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:09:58,255 INFO L225 Difference]: With dead ends: 1367 [2024-11-07 23:09:58,255 INFO L226 Difference]: Without dead ends: 730 [2024-11-07 23:09:58,256 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 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 23:09:58,256 INFO L432 NwaCegarLoop]: 586 mSDtfsCounter, 7 mSDsluCounter, 1063 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 1649 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 23:09:58,257 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 1649 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 23:09:58,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 730 states. [2024-11-07 23:09:58,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 730 to 727. [2024-11-07 23:09:58,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 727 states, 709 states have (on average 1.4456981664315938) internal successors, (1025), 721 states have internal predecessors, (1025), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-07 23:09:58,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 727 states and 1041 transitions. [2024-11-07 23:09:58,279 INFO L78 Accepts]: Start accepts. Automaton has 727 states and 1041 transitions. Word has length 96 [2024-11-07 23:09:58,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:09:58,280 INFO L471 AbstractCegarLoop]: Abstraction has 727 states and 1041 transitions. [2024-11-07 23:09:58,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 23:09:58,281 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 1041 transitions. [2024-11-07 23:09:58,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-07 23:09:58,283 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:09:58,283 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] [2024-11-07 23:09:58,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 23:09:58,284 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-07 23:09:58,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:09:58,284 INFO L85 PathProgramCache]: Analyzing trace with hash 138452219, now seen corresponding path program 1 times [2024-11-07 23:09:58,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:09:58,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69290787] [2024-11-07 23:09:58,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:09:58,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:09:58,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:09:58,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 23:09:58,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:09:58,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-07 23:09:58,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:09:58,686 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 23:09:58,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:09:58,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69290787] [2024-11-07 23:09:58,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69290787] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:09:58,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:09:58,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 23:09:58,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248870938] [2024-11-07 23:09:58,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:09:58,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 23:09:58,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:09:58,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 23:09:58,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 23:09:58,688 INFO L87 Difference]: Start difference. First operand 727 states and 1041 transitions. Second operand has 5 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 23:09:59,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:09:59,070 INFO L93 Difference]: Finished difference Result 1035 states and 1483 transitions. [2024-11-07 23:09:59,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 23:09:59,071 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 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 96 [2024-11-07 23:09:59,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:09:59,077 INFO L225 Difference]: With dead ends: 1035 [2024-11-07 23:09:59,077 INFO L226 Difference]: Without dead ends: 1033 [2024-11-07 23:09:59,078 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 23:09:59,079 INFO L432 NwaCegarLoop]: 573 mSDtfsCounter, 485 mSDsluCounter, 1607 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 492 SdHoareTripleChecker+Valid, 2180 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 23:09:59,080 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [492 Valid, 2180 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 23:09:59,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1033 states. [2024-11-07 23:09:59,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1033 to 791. [2024-11-07 23:09:59,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 791 states, 770 states have (on average 1.4324675324675324) internal successors, (1103), 782 states have internal predecessors, (1103), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-07 23:09:59,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 1125 transitions. [2024-11-07 23:09:59,106 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 1125 transitions. Word has length 96 [2024-11-07 23:09:59,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:09:59,107 INFO L471 AbstractCegarLoop]: Abstraction has 791 states and 1125 transitions. [2024-11-07 23:09:59,107 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 23:09:59,107 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 1125 transitions. [2024-11-07 23:09:59,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-07 23:09:59,111 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:09:59,111 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:09:59,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 23:09:59,112 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-07 23:09:59,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:09:59,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1842610394, now seen corresponding path program 1 times [2024-11-07 23:09:59,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:09:59,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060114672] [2024-11-07 23:09:59,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:09:59,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:09:59,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:09:59,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 23:09:59,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:09:59,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-07 23:09:59,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:09:59,575 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-07 23:09:59,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:09:59,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060114672] [2024-11-07 23:09:59,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060114672] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:09:59,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1310723123] [2024-11-07 23:09:59,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:09:59,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:09:59,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:09:59,579 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 23:09:59,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-07 23:09:59,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:09:59,959 INFO L255 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-07 23:09:59,968 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:09:59,974 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-07 23:09:59,999 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 23:10:00,025 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 23:10:00,519 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-07 23:10:00,520 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 23:10:00,796 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 23:10:00,796 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 23:10:00,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1310723123] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:10:00,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 23:10:00,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 14 [2024-11-07 23:10:00,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551516811] [2024-11-07 23:10:00,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:10:00,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 23:10:00,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:10:00,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 23:10:00,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2024-11-07 23:10:00,799 INFO L87 Difference]: Start difference. First operand 791 states and 1125 transitions. Second operand has 11 states, 11 states have (on average 8.636363636363637) internal successors, (95), 11 states have internal predecessors, (95), 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 23:10:02,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:10:02,449 INFO L93 Difference]: Finished difference Result 1766 states and 2515 transitions. [2024-11-07 23:10:02,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 23:10:02,450 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.636363636363637) internal successors, (95), 11 states have internal predecessors, (95), 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 102 [2024-11-07 23:10:02,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:10:02,456 INFO L225 Difference]: With dead ends: 1766 [2024-11-07 23:10:02,456 INFO L226 Difference]: Without dead ends: 1069 [2024-11-07 23:10:02,457 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=89, Invalid=373, Unknown=0, NotChecked=0, Total=462 [2024-11-07 23:10:02,458 INFO L432 NwaCegarLoop]: 564 mSDtfsCounter, 843 mSDsluCounter, 2734 mSDsCounter, 0 mSdLazyCounter, 945 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 850 SdHoareTripleChecker+Valid, 3298 SdHoareTripleChecker+Invalid, 952 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 945 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-07 23:10:02,458 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [850 Valid, 3298 Invalid, 952 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 945 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-07 23:10:02,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1069 states. [2024-11-07 23:10:02,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1069 to 823. [2024-11-07 23:10:02,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 823 states, 802 states have (on average 1.4214463840399003) internal successors, (1140), 814 states have internal predecessors, (1140), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-07 23:10:02,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 823 states and 1162 transitions. [2024-11-07 23:10:02,486 INFO L78 Accepts]: Start accepts. Automaton has 823 states and 1162 transitions. Word has length 102 [2024-11-07 23:10:02,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:10:02,487 INFO L471 AbstractCegarLoop]: Abstraction has 823 states and 1162 transitions. [2024-11-07 23:10:02,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.636363636363637) internal successors, (95), 11 states have internal predecessors, (95), 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 23:10:02,487 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1162 transitions. [2024-11-07 23:10:02,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-07 23:10:02,488 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:10:02,488 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:10:02,507 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 23:10:02,692 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:10:02,693 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-07 23:10:02,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:10:02,693 INFO L85 PathProgramCache]: Analyzing trace with hash 1665672286, now seen corresponding path program 1 times [2024-11-07 23:10:02,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:10:02,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12188599] [2024-11-07 23:10:02,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:10:02,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:10:02,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:02,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 23:10:02,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:02,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-07 23:10:02,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:02,857 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 23:10:02,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:10:02,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12188599] [2024-11-07 23:10:02,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12188599] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:10:02,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:10:02,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 23:10:02,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511655311] [2024-11-07 23:10:02,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:10:02,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 23:10:02,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:10:02,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 23:10:02,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 23:10:02,859 INFO L87 Difference]: Start difference. First operand 823 states and 1162 transitions. Second operand has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 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 23:10:03,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:10:03,134 INFO L93 Difference]: Finished difference Result 1479 states and 2095 transitions. [2024-11-07 23:10:03,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 23:10:03,135 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 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 102 [2024-11-07 23:10:03,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 23:10:03,138 INFO L225 Difference]: With dead ends: 1479 [2024-11-07 23:10:03,138 INFO L226 Difference]: Without dead ends: 686 [2024-11-07 23:10:03,140 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 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 23:10:03,140 INFO L432 NwaCegarLoop]: 496 mSDtfsCounter, 15 mSDsluCounter, 1379 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 1875 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 23:10:03,140 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 1875 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 23:10:03,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2024-11-07 23:10:03,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 683. [2024-11-07 23:10:03,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 683 states, 662 states have (on average 1.404833836858006) internal successors, (930), 674 states have internal predecessors, (930), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-07 23:10:03,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 683 states and 952 transitions. [2024-11-07 23:10:03,163 INFO L78 Accepts]: Start accepts. Automaton has 683 states and 952 transitions. Word has length 102 [2024-11-07 23:10:03,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 23:10:03,163 INFO L471 AbstractCegarLoop]: Abstraction has 683 states and 952 transitions. [2024-11-07 23:10:03,163 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 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 23:10:03,163 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 952 transitions. [2024-11-07 23:10:03,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-07 23:10:03,164 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 23:10:03,164 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 23:10:03,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 23:10:03,164 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-07 23:10:03,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:10:03,177 INFO L85 PathProgramCache]: Analyzing trace with hash 312942259, now seen corresponding path program 1 times [2024-11-07 23:10:03,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:10:03,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633183349] [2024-11-07 23:10:03,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:10:03,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:10:03,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:03,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-07 23:10:03,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:03,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-07 23:10:03,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:03,550 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 23:10:03,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:10:03,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633183349] [2024-11-07 23:10:03,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633183349] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:10:03,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1913259300] [2024-11-07 23:10:03,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:10:03,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:10:03,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:10:03,553 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 23:10:03,555 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 23:10:03,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:10:03,907 INFO L255 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-07 23:10:03,914 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:11:16,042 WARN L286 SmtUtils]: Spent 7.41s on a formula simplification. DAG size of input: 30 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)