./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) 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/AutomizerMemDerefMemtrack.xml', '-i', '../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-1.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-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 valid-memcleanup) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', 'dbea62dc4a872959247118f049e63d406eb1e848bb1ed8397f1082fdec77074c'] 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/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-1.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-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 valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dbea62dc4a872959247118f049e63d406eb1e848bb1ed8397f1082fdec77074c --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 16:08:53,531 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 16:08:53,604 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2024-11-07 16:08:53,608 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 16:08:53,609 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 16:08:53,630 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 16:08:53,632 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 16:08:53,633 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 16:08:53,633 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 16:08:53,634 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 16:08:53,634 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 16:08:53,634 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 16:08:53,635 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 16:08:53,635 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 16:08:53,635 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 16:08:53,636 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 16:08:53,636 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 16:08:53,636 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 16:08:53,636 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 16:08:53,636 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 16:08:53,636 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 16:08:53,636 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 16:08:53,636 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-07 16:08:53,636 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-07 16:08:53,636 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 16:08:53,636 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 16:08:53,637 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-07 16:08:53,637 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 16:08:53,637 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 16:08:53,637 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 16:08:53,637 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 16:08:53,637 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 16:08:53,637 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 16:08:53,637 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 16:08:53,638 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 16:08:53,638 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 16:08:53,638 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 16:08:53,638 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 16:08:53,638 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 16:08:53,638 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 16:08:53,638 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 16:08:53,638 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 16:08:53,638 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 16:08:53,638 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 16:08:53,639 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 16:08:53,639 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 valid-memcleanup) ) 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 -> dbea62dc4a872959247118f049e63d406eb1e848bb1ed8397f1082fdec77074c [2024-11-07 16:08:53,863 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 16:08:53,870 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 16:08:53,871 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 16:08:53,872 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 16:08:53,872 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 16:08:53,874 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-1.i [2024-11-07 16:08:54,989 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 16:08:55,248 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 16:08:55,248 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-1.i [2024-11-07 16:08:55,264 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1bb651071/212af092765d45c0b1ed3e9c55565e7b/FLAG95eb5b817 [2024-11-07 16:08:55,531 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1bb651071/212af092765d45c0b1ed3e9c55565e7b [2024-11-07 16:08:55,532 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 16:08:55,533 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 16:08:55,534 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 16:08:55,534 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 16:08:55,537 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 16:08:55,537 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:08:55" (1/1) ... [2024-11-07 16:08:55,538 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cdd01e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:08:55, skipping insertion in model container [2024-11-07 16:08:55,538 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:08:55" (1/1) ... [2024-11-07 16:08:55,563 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 16:08:55,807 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:08:55,825 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:08:55,828 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:08:55,831 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:08:55,834 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:08:55,863 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:08:55,863 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:08:55,864 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:08:55,864 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:08:55,869 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 16:08:55,875 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 16:08:55,950 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 16:08:55,978 INFO L204 MainTranslator]: Completed translation [2024-11-07 16:08:55,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:08:55 WrapperNode [2024-11-07 16:08:55,979 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 16:08:55,980 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 16:08:55,981 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 16:08:55,982 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 16:08:55,985 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:08:55" (1/1) ... [2024-11-07 16:08:56,001 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:08:55" (1/1) ... [2024-11-07 16:08:56,045 INFO L138 Inliner]: procedures = 208, calls = 229, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1302 [2024-11-07 16:08:56,046 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 16:08:56,046 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 16:08:56,046 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 16:08:56,046 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 16:08:56,053 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:08:55" (1/1) ... [2024-11-07 16:08:56,054 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:08:55" (1/1) ... [2024-11-07 16:08:56,069 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:08:55" (1/1) ... [2024-11-07 16:08:56,122 INFO L175 MemorySlicer]: Split 208 memory accesses to 3 slices as follows [2, 34, 172]. 83 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 46 writes are split as follows [0, 4, 42]. [2024-11-07 16:08:56,122 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:08:55" (1/1) ... [2024-11-07 16:08:56,122 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:08:55" (1/1) ... [2024-11-07 16:08:56,148 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:08:55" (1/1) ... [2024-11-07 16:08:56,164 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:08:55" (1/1) ... [2024-11-07 16:08:56,172 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:08:55" (1/1) ... [2024-11-07 16:08:56,177 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:08:55" (1/1) ... [2024-11-07 16:08:56,186 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 16:08:56,188 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 16:08:56,188 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 16:08:56,188 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 16:08:56,188 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:08:55" (1/1) ... [2024-11-07 16:08:56,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 16:08:56,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 16:08:56,217 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 16:08:56,221 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 16:08:56,238 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-07 16:08:56,238 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-07 16:08:56,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-07 16:08:56,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-07 16:08:56,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-07 16:08:56,239 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-07 16:08:56,239 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-07 16:08:56,239 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-07 16:08:56,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 16:08:56,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 16:08:56,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 16:08:56,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 16:08:56,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 16:08:56,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 16:08:56,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 16:08:56,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 16:08:56,240 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 16:08:56,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 16:08:56,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 16:08:56,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 16:08:56,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 16:08:56,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 16:08:56,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 16:08:56,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 16:08:56,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 16:08:56,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 16:08:56,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 16:08:56,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 16:08:56,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 16:08:56,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 16:08:56,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 16:08:56,396 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 16:08:56,397 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 16:08:57,388 INFO L? ?]: Removed 304 outVars from TransFormulas that were not future-live. [2024-11-07 16:08:57,389 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 16:08:57,403 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 16:08:57,403 INFO L316 CfgBuilder]: Removed 54 assume(true) statements. [2024-11-07 16:08:57,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:08:57 BoogieIcfgContainer [2024-11-07 16:08:57,403 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 16:08:57,408 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 16:08:57,408 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 16:08:57,411 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 16:08:57,411 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:08:55" (1/3) ... [2024-11-07 16:08:57,412 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c704b3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:08:57, skipping insertion in model container [2024-11-07 16:08:57,412 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:08:55" (2/3) ... [2024-11-07 16:08:57,412 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c704b3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:08:57, skipping insertion in model container [2024-11-07 16:08:57,412 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:08:57" (3/3) ... [2024-11-07 16:08:57,413 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test2-1.i [2024-11-07 16:08:57,422 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 16:08:57,422 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-07 16:08:57,461 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 16:08:57,471 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=None, 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;@5565ce8f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 16:08:57,472 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-07 16:08:57,476 INFO L276 IsEmpty]: Start isEmpty. Operand has 385 states, 369 states have (on average 1.6233062330623307) internal successors, (599), 378 states have internal predecessors, (599), 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 16:08:57,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-07 16:08:57,481 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:08:57,482 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-07 16:08:57,482 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 16:08:57,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:08:57,485 INFO L85 PathProgramCache]: Analyzing trace with hash -1585083213, now seen corresponding path program 1 times [2024-11-07 16:08:57,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 16:08:57,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964176416] [2024-11-07 16:08:57,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:08:57,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 16:08:57,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:08:57,598 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 16:08:57,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 16:08:57,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964176416] [2024-11-07 16:08:57,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964176416] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 16:08:57,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 16:08:57,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 16:08:57,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683560291] [2024-11-07 16:08:57,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 16:08:57,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 16:08:57,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 16:08:57,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 16:08:57,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 16:08:57,622 INFO L87 Difference]: Start difference. First operand has 385 states, 369 states have (on average 1.6233062330623307) internal successors, (599), 378 states have internal predecessors, (599), 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 16:08:57,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:08:57,652 INFO L93 Difference]: Finished difference Result 383 states and 556 transitions. [2024-11-07 16:08:57,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 16:08:57,653 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 16:08:57,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:08:57,661 INFO L225 Difference]: With dead ends: 383 [2024-11-07 16:08:57,661 INFO L226 Difference]: Without dead ends: 381 [2024-11-07 16:08:57,662 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 16:08:57,663 INFO L432 NwaCegarLoop]: 556 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, 556 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 16:08:57,664 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 556 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 16:08:57,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2024-11-07 16:08:57,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 381. [2024-11-07 16:08:57,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 367 states have (on average 1.4604904632152589) internal successors, (536), 374 states have internal predecessors, (536), 10 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-07 16:08:57,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 554 transitions. [2024-11-07 16:08:57,712 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 554 transitions. Word has length 7 [2024-11-07 16:08:57,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:08:57,712 INFO L471 AbstractCegarLoop]: Abstraction has 381 states and 554 transitions. [2024-11-07 16:08:57,712 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 16:08:57,712 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 554 transitions. [2024-11-07 16:08:57,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-07 16:08:57,714 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:08:57,714 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 16:08:57,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 16:08:57,714 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 16:08:57,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:08:57,715 INFO L85 PathProgramCache]: Analyzing trace with hash -940236438, now seen corresponding path program 1 times [2024-11-07 16:08:57,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 16:08:57,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178569714] [2024-11-07 16:08:57,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:08:57,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 16:08:57,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:08:57,862 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 16:08:57,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 16:08:57,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178569714] [2024-11-07 16:08:57,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178569714] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 16:08:57,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 16:08:57,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 16:08:57,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696799027] [2024-11-07 16:08:57,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 16:08:57,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 16:08:57,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 16:08:57,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 16:08:57,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 16:08:57,865 INFO L87 Difference]: Start difference. First operand 381 states and 554 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 16:08:57,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:08:57,992 INFO L93 Difference]: Finished difference Result 745 states and 1092 transitions. [2024-11-07 16:08:57,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 16:08:57,993 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-07 16:08:57,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:08:57,996 INFO L225 Difference]: With dead ends: 745 [2024-11-07 16:08:57,996 INFO L226 Difference]: Without dead ends: 745 [2024-11-07 16:08:57,996 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 16:08:57,996 INFO L432 NwaCegarLoop]: 537 mSDtfsCounter, 518 mSDsluCounter, 1059 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 526 SdHoareTripleChecker+Valid, 1596 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 16:08:57,997 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [526 Valid, 1596 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 16:08:57,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2024-11-07 16:08:58,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 383. [2024-11-07 16:08:58,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 369 states have (on average 1.4579945799457994) internal successors, (538), 376 states have internal predecessors, (538), 10 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-07 16:08:58,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 556 transitions. [2024-11-07 16:08:58,020 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 556 transitions. Word has length 9 [2024-11-07 16:08:58,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:08:58,020 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 556 transitions. [2024-11-07 16:08:58,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 16:08:58,021 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 556 transitions. [2024-11-07 16:08:58,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-07 16:08:58,022 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:08:58,022 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-07 16:08:58,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 16:08:58,022 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 16:08:58,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:08:58,023 INFO L85 PathProgramCache]: Analyzing trace with hash -1595384599, now seen corresponding path program 1 times [2024-11-07 16:08:58,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 16:08:58,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696903829] [2024-11-07 16:08:58,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:08:58,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 16:08:58,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:08:58,314 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 16:08:58,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 16:08:58,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696903829] [2024-11-07 16:08:58,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696903829] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 16:08:58,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 16:08:58,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 16:08:58,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990446181] [2024-11-07 16:08:58,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 16:08:58,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 16:08:58,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 16:08:58,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 16:08:58,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 16:08:58,316 INFO L87 Difference]: Start difference. First operand 383 states and 556 transitions. Second operand has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 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 16:08:58,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:08:58,377 INFO L93 Difference]: Finished difference Result 386 states and 552 transitions. [2024-11-07 16:08:58,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 16:08:58,378 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 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 85 [2024-11-07 16:08:58,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:08:58,380 INFO L225 Difference]: With dead ends: 386 [2024-11-07 16:08:58,380 INFO L226 Difference]: Without dead ends: 386 [2024-11-07 16:08:58,380 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 16:08:58,380 INFO L432 NwaCegarLoop]: 526 mSDtfsCounter, 106 mSDsluCounter, 959 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 1485 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 16:08:58,381 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 1485 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 16:08:58,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2024-11-07 16:08:58,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 383. [2024-11-07 16:08:58,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 369 states have (on average 1.4390243902439024) internal successors, (531), 376 states have internal predecessors, (531), 10 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-07 16:08:58,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 549 transitions. [2024-11-07 16:08:58,395 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 549 transitions. Word has length 85 [2024-11-07 16:08:58,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:08:58,396 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 549 transitions. [2024-11-07 16:08:58,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 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 16:08:58,396 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 549 transitions. [2024-11-07 16:08:58,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-07 16:08:58,397 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:08:58,397 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-07 16:08:58,398 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 16:08:58,398 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 16:08:58,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:08:58,398 INFO L85 PathProgramCache]: Analyzing trace with hash 2124048923, now seen corresponding path program 1 times [2024-11-07 16:08:58,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 16:08:58,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326814357] [2024-11-07 16:08:58,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:08:58,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 16:08:58,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:08:58,596 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 16:08:58,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 16:08:58,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326814357] [2024-11-07 16:08:58,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326814357] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 16:08:58,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 16:08:58,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 16:08:58,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058488925] [2024-11-07 16:08:58,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 16:08:58,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 16:08:58,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 16:08:58,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 16:08:58,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 16:08:58,597 INFO L87 Difference]: Start difference. First operand 383 states and 549 transitions. Second operand has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 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 16:08:58,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:08:58,641 INFO L93 Difference]: Finished difference Result 335 states and 469 transitions. [2024-11-07 16:08:58,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 16:08:58,641 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 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 85 [2024-11-07 16:08:58,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:08:58,643 INFO L225 Difference]: With dead ends: 335 [2024-11-07 16:08:58,643 INFO L226 Difference]: Without dead ends: 335 [2024-11-07 16:08:58,643 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 16:08:58,643 INFO L432 NwaCegarLoop]: 451 mSDtfsCounter, 9 mSDsluCounter, 883 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1334 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 16:08:58,644 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1334 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 16:08:58,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2024-11-07 16:08:58,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 335. [2024-11-07 16:08:58,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 321 states have (on average 1.4049844236760125) internal successors, (451), 328 states have internal predecessors, (451), 10 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-07 16:08:58,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 469 transitions. [2024-11-07 16:08:58,653 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 469 transitions. Word has length 85 [2024-11-07 16:08:58,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:08:58,653 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 469 transitions. [2024-11-07 16:08:58,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 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 16:08:58,653 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 469 transitions. [2024-11-07 16:08:58,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-07 16:08:58,655 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:08:58,655 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-07 16:08:58,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 16:08:58,655 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 16:08:58,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:08:58,655 INFO L85 PathProgramCache]: Analyzing trace with hash 1922224989, now seen corresponding path program 1 times [2024-11-07 16:08:58,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 16:08:58,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205835867] [2024-11-07 16:08:58,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:08:58,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 16:08:58,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:08:58,810 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 16:08:58,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 16:08:58,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205835867] [2024-11-07 16:08:58,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205835867] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 16:08:58,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 16:08:58,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 16:08:58,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741811337] [2024-11-07 16:08:58,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 16:08:58,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 16:08:58,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 16:08:58,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 16:08:58,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 16:08:58,811 INFO L87 Difference]: Start difference. First operand 335 states and 469 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 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 16:08:58,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:08:58,849 INFO L93 Difference]: Finished difference Result 566 states and 804 transitions. [2024-11-07 16:08:58,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 16:08:58,850 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 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 85 [2024-11-07 16:08:58,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:08:58,852 INFO L225 Difference]: With dead ends: 566 [2024-11-07 16:08:58,852 INFO L226 Difference]: Without dead ends: 566 [2024-11-07 16:08:58,852 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 16:08:58,852 INFO L432 NwaCegarLoop]: 666 mSDtfsCounter, 269 mSDsluCounter, 453 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 1119 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 16:08:58,852 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [274 Valid, 1119 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 16:08:58,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2024-11-07 16:08:58,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 562. [2024-11-07 16:08:58,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 562 states, 543 states have (on average 1.423572744014733) internal successors, (773), 555 states have internal predecessors, (773), 15 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (13), 5 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-07 16:08:58,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 801 transitions. [2024-11-07 16:08:58,862 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 801 transitions. Word has length 85 [2024-11-07 16:08:58,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:08:58,863 INFO L471 AbstractCegarLoop]: Abstraction has 562 states and 801 transitions. [2024-11-07 16:08:58,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 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 16:08:58,863 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 801 transitions. [2024-11-07 16:08:58,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-07 16:08:58,864 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:08:58,864 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 16:08:58,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 16:08:58,864 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 16:08:58,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:08:58,865 INFO L85 PathProgramCache]: Analyzing trace with hash -2000053124, now seen corresponding path program 1 times [2024-11-07 16:08:58,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 16:08:58,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736005463] [2024-11-07 16:08:58,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:08:58,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 16:08:58,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:08:59,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 16:08:59,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:08:59,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 16:08:59,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:08:59,211 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-07 16:08:59,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 16:08:59,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736005463] [2024-11-07 16:08:59,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736005463] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 16:08:59,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 16:08:59,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 16:08:59,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164151043] [2024-11-07 16:08:59,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 16:08:59,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 16:08:59,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 16:08:59,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 16:08:59,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 16:08:59,214 INFO L87 Difference]: Start difference. First operand 562 states and 801 transitions. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 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 16:08:59,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:08:59,507 INFO L93 Difference]: Finished difference Result 812 states and 1174 transitions. [2024-11-07 16:08:59,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 16:08:59,507 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 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 100 [2024-11-07 16:08:59,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:08:59,510 INFO L225 Difference]: With dead ends: 812 [2024-11-07 16:08:59,511 INFO L226 Difference]: Without dead ends: 812 [2024-11-07 16:08:59,511 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 16:08:59,511 INFO L432 NwaCegarLoop]: 483 mSDtfsCounter, 437 mSDsluCounter, 1301 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 448 SdHoareTripleChecker+Valid, 1784 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 16:08:59,512 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [448 Valid, 1784 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 16:08:59,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812 states. [2024-11-07 16:08:59,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812 to 564. [2024-11-07 16:08:59,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 564 states, 545 states have (on average 1.4220183486238531) internal successors, (775), 557 states have internal predecessors, (775), 15 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (13), 5 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-07 16:08:59,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 803 transitions. [2024-11-07 16:08:59,528 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 803 transitions. Word has length 100 [2024-11-07 16:08:59,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:08:59,529 INFO L471 AbstractCegarLoop]: Abstraction has 564 states and 803 transitions. [2024-11-07 16:08:59,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 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 16:08:59,529 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 803 transitions. [2024-11-07 16:08:59,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-07 16:08:59,531 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:08:59,531 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 16:08:59,531 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 16:08:59,531 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 16:08:59,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:08:59,531 INFO L85 PathProgramCache]: Analyzing trace with hash 379565716, now seen corresponding path program 1 times [2024-11-07 16:08:59,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 16:08:59,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141724055] [2024-11-07 16:08:59,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:08:59,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 16:08:59,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:08:59,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 16:08:59,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:08:59,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 16:08:59,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:08:59,806 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-07 16:08:59,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 16:08:59,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141724055] [2024-11-07 16:08:59,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141724055] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 16:08:59,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 16:08:59,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 16:08:59,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469121183] [2024-11-07 16:08:59,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 16:08:59,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 16:08:59,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 16:08:59,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 16:08:59,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-07 16:08:59,809 INFO L87 Difference]: Start difference. First operand 564 states and 803 transitions. Second operand has 6 states, 6 states have (on average 24.666666666666668) internal successors, (148), 5 states have internal predecessors, (148), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 16:09:00,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:09:00,030 INFO L93 Difference]: Finished difference Result 483 states and 655 transitions. [2024-11-07 16:09:00,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 16:09:00,031 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 24.666666666666668) internal successors, (148), 5 states have internal predecessors, (148), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 157 [2024-11-07 16:09:00,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:09:00,032 INFO L225 Difference]: With dead ends: 483 [2024-11-07 16:09:00,032 INFO L226 Difference]: Without dead ends: 483 [2024-11-07 16:09:00,033 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-07 16:09:00,033 INFO L432 NwaCegarLoop]: 354 mSDtfsCounter, 32 mSDsluCounter, 973 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 1327 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 16:09:00,033 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 1327 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 16:09:00,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2024-11-07 16:09:00,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 480. [2024-11-07 16:09:00,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 480 states, 461 states have (on average 1.3470715835140998) internal successors, (621), 473 states have internal predecessors, (621), 15 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (13), 5 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-07 16:09:00,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 649 transitions. [2024-11-07 16:09:00,042 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 649 transitions. Word has length 157 [2024-11-07 16:09:00,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:09:00,042 INFO L471 AbstractCegarLoop]: Abstraction has 480 states and 649 transitions. [2024-11-07 16:09:00,042 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.666666666666668) internal successors, (148), 5 states have internal predecessors, (148), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 16:09:00,043 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 649 transitions. [2024-11-07 16:09:00,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-07 16:09:00,043 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:09:00,044 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 16:09:00,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 16:09:00,044 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 16:09:00,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:09:00,044 INFO L85 PathProgramCache]: Analyzing trace with hash -164690494, now seen corresponding path program 1 times [2024-11-07 16:09:00,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 16:09:00,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243572960] [2024-11-07 16:09:00,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:09:00,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 16:09:00,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:09:00,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 16:09:00,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:09:00,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 16:09:00,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:09:00,222 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-07 16:09:00,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 16:09:00,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243572960] [2024-11-07 16:09:00,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243572960] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 16:09:00,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 16:09:00,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 16:09:00,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941911071] [2024-11-07 16:09:00,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 16:09:00,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 16:09:00,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 16:09:00,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 16:09:00,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 16:09:00,225 INFO L87 Difference]: Start difference. First operand 480 states and 649 transitions. Second operand has 5 states, 5 states have (on average 29.6) internal successors, (148), 4 states have internal predecessors, (148), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 16:09:00,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:09:00,416 INFO L93 Difference]: Finished difference Result 471 states and 635 transitions. [2024-11-07 16:09:00,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 16:09:00,417 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.6) internal successors, (148), 4 states have internal predecessors, (148), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 157 [2024-11-07 16:09:00,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:09:00,419 INFO L225 Difference]: With dead ends: 471 [2024-11-07 16:09:00,421 INFO L226 Difference]: Without dead ends: 471 [2024-11-07 16:09:00,422 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 16:09:00,422 INFO L432 NwaCegarLoop]: 356 mSDtfsCounter, 19 mSDsluCounter, 974 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 1330 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 16:09:00,422 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 1330 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 16:09:00,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2024-11-07 16:09:00,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 468. [2024-11-07 16:09:00,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 468 states, 449 states have (on average 1.3385300668151447) internal successors, (601), 461 states have internal predecessors, (601), 15 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (13), 5 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-07 16:09:00,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 629 transitions. [2024-11-07 16:09:00,442 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 629 transitions. Word has length 157 [2024-11-07 16:09:00,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:09:00,442 INFO L471 AbstractCegarLoop]: Abstraction has 468 states and 629 transitions. [2024-11-07 16:09:00,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.6) internal successors, (148), 4 states have internal predecessors, (148), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 16:09:00,442 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 629 transitions. [2024-11-07 16:09:00,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-07 16:09:00,443 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:09:00,443 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 16:09:00,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 16:09:00,443 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 16:09:00,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:09:00,443 INFO L85 PathProgramCache]: Analyzing trace with hash 579858890, now seen corresponding path program 1 times [2024-11-07 16:09:00,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 16:09:00,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604611025] [2024-11-07 16:09:00,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:09:00,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 16:09:00,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:09:00,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 16:09:00,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:09:00,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 16:09:00,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:09:00,664 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 16:09:00,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 16:09:00,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604611025] [2024-11-07 16:09:00,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604611025] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 16:09:00,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 16:09:00,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 16:09:00,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859432559] [2024-11-07 16:09:00,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 16:09:00,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 16:09:00,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 16:09:00,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 16:09:00,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-07 16:09:00,666 INFO L87 Difference]: Start difference. First operand 468 states and 629 transitions. Second operand has 6 states, 6 states have (on average 24.833333333333332) internal successors, (149), 5 states have internal predecessors, (149), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 16:09:00,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:09:00,967 INFO L93 Difference]: Finished difference Result 554 states and 743 transitions. [2024-11-07 16:09:00,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 16:09:00,968 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 24.833333333333332) internal successors, (149), 5 states have internal predecessors, (149), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 157 [2024-11-07 16:09:00,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:09:00,970 INFO L225 Difference]: With dead ends: 554 [2024-11-07 16:09:00,970 INFO L226 Difference]: Without dead ends: 554 [2024-11-07 16:09:00,970 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-07 16:09:00,971 INFO L432 NwaCegarLoop]: 441 mSDtfsCounter, 1174 mSDsluCounter, 848 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1181 SdHoareTripleChecker+Valid, 1289 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 16:09:00,971 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1181 Valid, 1289 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 16:09:00,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2024-11-07 16:09:00,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 370. [2024-11-07 16:09:00,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 356 states have (on average 1.3258426966292134) internal successors, (472), 363 states have internal predecessors, (472), 10 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-07 16:09:00,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 490 transitions. [2024-11-07 16:09:00,981 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 490 transitions. Word has length 157 [2024-11-07 16:09:00,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:09:00,981 INFO L471 AbstractCegarLoop]: Abstraction has 370 states and 490 transitions. [2024-11-07 16:09:00,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.833333333333332) internal successors, (149), 5 states have internal predecessors, (149), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 16:09:00,981 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 490 transitions. [2024-11-07 16:09:00,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-07 16:09:00,983 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:09:00,983 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 16:09:00,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 16:09:00,984 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 16:09:00,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:09:00,984 INFO L85 PathProgramCache]: Analyzing trace with hash -1039178274, now seen corresponding path program 1 times [2024-11-07 16:09:00,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 16:09:00,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858861481] [2024-11-07 16:09:00,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:09:00,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 16:09:01,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:09:01,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 16:09:01,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:09:01,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 16:09:01,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:09:01,567 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 16:09:01,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 16:09:01,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858861481] [2024-11-07 16:09:01,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858861481] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 16:09:01,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1576160408] [2024-11-07 16:09:01,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:09:01,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 16:09:01,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 16:09:01,570 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 16:09:01,571 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 16:09:01,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:09:01,847 INFO L255 TraceCheckSpWp]: Trace formula consists of 772 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-07 16:09:01,855 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 16:09:01,875 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 16:09:02,049 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 19 treesize of output 11 [2024-11-07 16:09:02,065 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 16:09:02,068 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 16:09:02,252 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 16:09:02,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1576160408] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 16:09:02,252 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 16:09:02,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 5] total 13 [2024-11-07 16:09:02,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752769316] [2024-11-07 16:09:02,252 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 16:09:02,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-07 16:09:02,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 16:09:02,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-07 16:09:02,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2024-11-07 16:09:02,255 INFO L87 Difference]: Start difference. First operand 370 states and 490 transitions. Second operand has 13 states, 13 states have (on average 25.307692307692307) internal successors, (329), 12 states have internal predecessors, (329), 4 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-07 16:09:02,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:09:02,711 INFO L93 Difference]: Finished difference Result 1094 states and 1466 transitions. [2024-11-07 16:09:02,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 16:09:02,712 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 25.307692307692307) internal successors, (329), 12 states have internal predecessors, (329), 4 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 167 [2024-11-07 16:09:02,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:09:02,715 INFO L225 Difference]: With dead ends: 1094 [2024-11-07 16:09:02,716 INFO L226 Difference]: Without dead ends: 1094 [2024-11-07 16:09:02,716 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 330 SyntacticMatches, 3 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-07 16:09:02,716 INFO L432 NwaCegarLoop]: 527 mSDtfsCounter, 1348 mSDsluCounter, 3613 mSDsCounter, 0 mSdLazyCounter, 367 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1366 SdHoareTripleChecker+Valid, 4140 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 16:09:02,716 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1366 Valid, 4140 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 367 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 16:09:02,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1094 states. [2024-11-07 16:09:02,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1094 to 705. [2024-11-07 16:09:02,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 705 states, 687 states have (on average 1.3231441048034935) internal successors, (909), 694 states have internal predecessors, (909), 13 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-07 16:09:02,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 705 states and 933 transitions. [2024-11-07 16:09:02,730 INFO L78 Accepts]: Start accepts. Automaton has 705 states and 933 transitions. Word has length 167 [2024-11-07 16:09:02,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:09:02,730 INFO L471 AbstractCegarLoop]: Abstraction has 705 states and 933 transitions. [2024-11-07 16:09:02,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 25.307692307692307) internal successors, (329), 12 states have internal predecessors, (329), 4 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-07 16:09:02,730 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 933 transitions. [2024-11-07 16:09:02,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2024-11-07 16:09:02,734 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:09:02,734 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 16:09:02,749 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 16:09:02,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-07 16:09:02,935 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 16:09:02,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:09:02,935 INFO L85 PathProgramCache]: Analyzing trace with hash -1402764315, now seen corresponding path program 1 times [2024-11-07 16:09:02,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 16:09:02,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852478116] [2024-11-07 16:09:02,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:09:02,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 16:09:03,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:09:05,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 16:09:05,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:09:05,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 16:09:05,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:09:05,393 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 458 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 16:09:05,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 16:09:05,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852478116] [2024-11-07 16:09:05,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852478116] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 16:09:05,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1946445342] [2024-11-07 16:09:05,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:09:05,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 16:09:05,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 16:09:05,395 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 16:09:05,397 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 16:09:05,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:09:05,886 INFO L255 TraceCheckSpWp]: Trace formula consists of 1903 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-07 16:09:05,895 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 16:09:05,904 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 16:09:06,054 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 19 treesize of output 11 [2024-11-07 16:09:06,158 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 19 treesize of output 11 [2024-11-07 16:09:06,255 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 19 treesize of output 11 [2024-11-07 16:09:06,352 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 19 treesize of output 11 [2024-11-07 16:09:06,373 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 458 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 16:09:06,376 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 16:09:06,835 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 458 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 16:09:06,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1946445342] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 16:09:06,835 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 16:09:06,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 9, 8] total 25 [2024-11-07 16:09:06,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264043679] [2024-11-07 16:09:06,835 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 16:09:06,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-07 16:09:06,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 16:09:06,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-07 16:09:06,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=184, Invalid=416, Unknown=0, NotChecked=0, Total=600 [2024-11-07 16:09:06,838 INFO L87 Difference]: Start difference. First operand 705 states and 933 transitions. Second operand has 25 states, 25 states have (on average 40.52) internal successors, (1013), 24 states have internal predecessors, (1013), 4 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-07 16:09:07,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:09:07,912 INFO L93 Difference]: Finished difference Result 2285 states and 3074 transitions. [2024-11-07 16:09:07,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-07 16:09:07,913 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 40.52) internal successors, (1013), 24 states have internal predecessors, (1013), 4 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 395 [2024-11-07 16:09:07,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:09:07,919 INFO L225 Difference]: With dead ends: 2285 [2024-11-07 16:09:07,920 INFO L226 Difference]: Without dead ends: 2285 [2024-11-07 16:09:07,920 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 819 GetRequests, 783 SyntacticMatches, 3 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 392 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=324, Invalid=866, Unknown=0, NotChecked=0, Total=1190 [2024-11-07 16:09:07,920 INFO L432 NwaCegarLoop]: 1383 mSDtfsCounter, 4094 mSDsluCounter, 10660 mSDsCounter, 0 mSdLazyCounter, 1022 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4139 SdHoareTripleChecker+Valid, 12043 SdHoareTripleChecker+Invalid, 1143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 1022 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-07 16:09:07,920 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4139 Valid, 12043 Invalid, 1143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 1022 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-07 16:09:07,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2285 states. [2024-11-07 16:09:07,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2285 to 1533. [2024-11-07 16:09:07,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1533 states, 1509 states have (on average 1.3220675944333995) internal successors, (1995), 1516 states have internal predecessors, (1995), 19 states have call successors, (19), 4 states have call predecessors, (19), 3 states have return successors, (17), 13 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-07 16:09:07,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1533 states to 1533 states and 2031 transitions. [2024-11-07 16:09:07,944 INFO L78 Accepts]: Start accepts. Automaton has 1533 states and 2031 transitions. Word has length 395 [2024-11-07 16:09:07,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:09:07,944 INFO L471 AbstractCegarLoop]: Abstraction has 1533 states and 2031 transitions. [2024-11-07 16:09:07,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 40.52) internal successors, (1013), 24 states have internal predecessors, (1013), 4 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-07 16:09:07,945 INFO L276 IsEmpty]: Start isEmpty. Operand 1533 states and 2031 transitions. [2024-11-07 16:09:07,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 852 [2024-11-07 16:09:07,955 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:09:07,956 INFO L215 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 16:09:07,973 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-07 16:09:08,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 16:09:08,156 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 16:09:08,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:09:08,157 INFO L85 PathProgramCache]: Analyzing trace with hash 1715691891, now seen corresponding path program 2 times [2024-11-07 16:09:08,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 16:09:08,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657946220] [2024-11-07 16:09:08,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:09:08,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 16:10:02,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:10:03,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 16:10:03,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:10:03,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 16:10:03,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:10:03,853 INFO L134 CoverageAnalysis]: Checked inductivity of 3426 backedges. 506 proven. 3 refuted. 0 times theorem prover too weak. 2917 trivial. 0 not checked. [2024-11-07 16:10:03,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 16:10:03,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657946220] [2024-11-07 16:10:03,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657946220] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 16:10:03,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [993051512] [2024-11-07 16:10:03,853 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 16:10:03,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 16:10:03,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 16:10:03,855 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 16:10:03,856 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 16:10:04,389 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-07 16:10:04,389 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 16:10:04,392 INFO L255 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-07 16:10:04,403 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 16:10:04,421 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 16:10:04,900 INFO L134 CoverageAnalysis]: Checked inductivity of 3426 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3426 trivial. 0 not checked. [2024-11-07 16:10:04,900 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 16:10:04,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [993051512] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 16:10:04,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 16:10:04,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [5] total 13 [2024-11-07 16:10:04,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043170652] [2024-11-07 16:10:04,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 16:10:04,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 16:10:04,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 16:10:04,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 16:10:04,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-07 16:10:04,902 INFO L87 Difference]: Start difference. First operand 1533 states and 2031 transitions. Second operand has 10 states, 10 states have (on average 16.1) internal successors, (161), 10 states have internal predecessors, (161), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 16:10:05,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:10:05,595 INFO L93 Difference]: Finished difference Result 1651 states and 2194 transitions. [2024-11-07 16:10:05,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 16:10:05,596 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 16.1) internal successors, (161), 10 states have internal predecessors, (161), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 851 [2024-11-07 16:10:05,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:10:05,602 INFO L225 Difference]: With dead ends: 1651 [2024-11-07 16:10:05,602 INFO L226 Difference]: Without dead ends: 1651 [2024-11-07 16:10:05,602 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 864 GetRequests, 846 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=81, Invalid=299, Unknown=0, NotChecked=0, Total=380 [2024-11-07 16:10:05,603 INFO L432 NwaCegarLoop]: 407 mSDtfsCounter, 337 mSDsluCounter, 1671 mSDsCounter, 0 mSdLazyCounter, 417 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 345 SdHoareTripleChecker+Valid, 2078 SdHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 16:10:05,603 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [345 Valid, 2078 Invalid, 418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 417 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 16:10:05,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1651 states. [2024-11-07 16:10:05,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1651 to 1562. [2024-11-07 16:10:05,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1562 states, 1538 states have (on average 1.315994798439532) internal successors, (2024), 1545 states have internal predecessors, (2024), 19 states have call successors, (19), 4 states have call predecessors, (19), 3 states have return successors, (17), 13 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-07 16:10:05,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1562 states to 1562 states and 2060 transitions. [2024-11-07 16:10:05,627 INFO L78 Accepts]: Start accepts. Automaton has 1562 states and 2060 transitions. Word has length 851 [2024-11-07 16:10:05,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:10:05,628 INFO L471 AbstractCegarLoop]: Abstraction has 1562 states and 2060 transitions. [2024-11-07 16:10:05,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 16.1) internal successors, (161), 10 states have internal predecessors, (161), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 16:10:05,628 INFO L276 IsEmpty]: Start isEmpty. Operand 1562 states and 2060 transitions. [2024-11-07 16:10:05,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 853 [2024-11-07 16:10:05,638 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:10:05,639 INFO L215 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 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 16:10:05,653 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-07 16:10:05,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 16:10:05,842 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 16:10:05,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:10:05,842 INFO L85 PathProgramCache]: Analyzing trace with hash -1306940207, now seen corresponding path program 1 times [2024-11-07 16:10:05,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 16:10:05,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117703070] [2024-11-07 16:10:05,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:10:05,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms