./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-1.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_BER_test5-1.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', 'df25530cebe2f8dbf5c0f407e5ccf4cecba61e3d44431cb17b70a57441db534c'] 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_BER_test5-1.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 df25530cebe2f8dbf5c0f407e5ccf4cecba61e3d44431cb17b70a57441db534c --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 15:57:16,321 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 15:57:16,389 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2024-11-07 15:57:16,395 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 15:57:16,396 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 15:57:16,418 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 15:57:16,419 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 15:57:16,420 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 15:57:16,420 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 15:57:16,420 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 15:57:16,421 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 15:57:16,421 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 15:57:16,421 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 15:57:16,422 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 15:57:16,422 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 15:57:16,422 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 15:57:16,422 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 15:57:16,422 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 15:57:16,422 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 15:57:16,422 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 15:57:16,422 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 15:57:16,422 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 15:57:16,423 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-07 15:57:16,423 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-07 15:57:16,423 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 15:57:16,423 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 15:57:16,423 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-07 15:57:16,423 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 15:57:16,423 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 15:57:16,423 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 15:57:16,423 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 15:57:16,424 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 15:57:16,424 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 15:57:16,424 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 15:57:16,424 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 15:57:16,424 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 15:57:16,424 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 15:57:16,424 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 15:57:16,425 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 15:57:16,425 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 15:57:16,425 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 15:57:16,425 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 15:57:16,425 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 15:57:16,425 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 15:57:16,425 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 15:57:16,425 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 -> df25530cebe2f8dbf5c0f407e5ccf4cecba61e3d44431cb17b70a57441db534c [2024-11-07 15:57:16,653 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 15:57:16,659 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 15:57:16,661 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 15:57:16,661 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 15:57:16,662 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 15:57:16,662 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-1.i [2024-11-07 15:57:17,830 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 15:57:18,105 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 15:57:18,106 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-1.i [2024-11-07 15:57:18,118 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/db200103f/173725f9e3ac4de4a375b4f066dc4205/FLAGfa538111f [2024-11-07 15:57:18,404 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/db200103f/173725f9e3ac4de4a375b4f066dc4205 [2024-11-07 15:57:18,406 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 15:57:18,407 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 15:57:18,407 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 15:57:18,408 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 15:57:18,410 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 15:57:18,411 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:57:18" (1/1) ... [2024-11-07 15:57:18,412 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ed745cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:57:18, skipping insertion in model container [2024-11-07 15:57:18,412 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:57:18" (1/1) ... [2024-11-07 15:57:18,439 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 15:57:18,675 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 15:57:18,701 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 15:57:18,705 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 15:57:18,707 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 15:57:18,712 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 15:57:18,739 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 15:57:18,741 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 15:57:18,742 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 15:57:18,745 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 15:57:18,767 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 15:57:18,767 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 15:57:18,768 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 15:57:18,769 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 15:57:18,774 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 15:57:18,781 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 15:57:18,880 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 15:57:18,913 INFO L204 MainTranslator]: Completed translation [2024-11-07 15:57:18,914 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:57:18 WrapperNode [2024-11-07 15:57:18,914 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 15:57:18,915 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 15:57:18,915 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 15:57:18,915 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 15:57:18,919 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:57:18" (1/1) ... [2024-11-07 15:57:18,946 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:57:18" (1/1) ... [2024-11-07 15:57:19,019 INFO L138 Inliner]: procedures = 177, calls = 375, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2036 [2024-11-07 15:57:19,020 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 15:57:19,021 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 15:57:19,021 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 15:57:19,021 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 15:57:19,027 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:57:18" (1/1) ... [2024-11-07 15:57:19,028 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:57:18" (1/1) ... [2024-11-07 15:57:19,040 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:57:18" (1/1) ... [2024-11-07 15:57:19,139 INFO L175 MemorySlicer]: Split 349 memory accesses to 3 slices as follows [2, 323, 24]. 93 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 83 writes are split as follows [0, 82, 1]. [2024-11-07 15:57:19,139 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:57:18" (1/1) ... [2024-11-07 15:57:19,140 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:57:18" (1/1) ... [2024-11-07 15:57:19,165 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:57:18" (1/1) ... [2024-11-07 15:57:19,180 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:57:18" (1/1) ... [2024-11-07 15:57:19,194 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:57:18" (1/1) ... [2024-11-07 15:57:19,201 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:57:18" (1/1) ... [2024-11-07 15:57:19,212 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 15:57:19,213 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 15:57:19,214 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 15:57:19,214 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 15:57:19,214 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:57:18" (1/1) ... [2024-11-07 15:57:19,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 15:57:19,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:57:19,249 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 15:57:19,253 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 15:57:19,273 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-07 15:57:19,274 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-07 15:57:19,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 15:57:19,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 15:57:19,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 15:57:19,274 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 15:57:19,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 15:57:19,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 15:57:19,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 15:57:19,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 15:57:19,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-07 15:57:19,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-07 15:57:19,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-07 15:57:19,276 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-07 15:57:19,276 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-07 15:57:19,277 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-07 15:57:19,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 15:57:19,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 15:57:19,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 15:57:19,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 15:57:19,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 15:57:19,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 15:57:19,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 15:57:19,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 15:57:19,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 15:57:19,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 15:57:19,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 15:57:19,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 15:57:19,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 15:57:19,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 15:57:19,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 15:57:19,482 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 15:57:19,483 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 15:57:20,878 INFO L? ?]: Removed 485 outVars from TransFormulas that were not future-live. [2024-11-07 15:57:20,878 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 15:57:20,891 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 15:57:20,892 INFO L316 CfgBuilder]: Removed 83 assume(true) statements. [2024-11-07 15:57:20,892 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:57:20 BoogieIcfgContainer [2024-11-07 15:57:20,892 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 15:57:20,893 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 15:57:20,893 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 15:57:20,897 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 15:57:20,897 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 03:57:18" (1/3) ... [2024-11-07 15:57:20,897 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13ed065c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:57:20, skipping insertion in model container [2024-11-07 15:57:20,897 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:57:18" (2/3) ... [2024-11-07 15:57:20,897 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13ed065c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:57:20, skipping insertion in model container [2024-11-07 15:57:20,898 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:57:20" (3/3) ... [2024-11-07 15:57:20,898 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_BER_test5-1.i [2024-11-07 15:57:20,908 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 15:57:20,908 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-07 15:57:20,939 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 15:57:20,951 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;@2c6d7fe7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 15:57:20,952 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-07 15:57:20,956 INFO L276 IsEmpty]: Start isEmpty. Operand has 573 states, 554 states have (on average 1.6245487364620939) internal successors, (900), 563 states have internal predecessors, (900), 13 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-07 15:57:20,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-07 15:57:20,960 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 15:57:20,960 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:57:20,960 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 15:57:20,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:57:20,963 INFO L85 PathProgramCache]: Analyzing trace with hash 2051748014, now seen corresponding path program 1 times [2024-11-07 15:57:20,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:57:20,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40662679] [2024-11-07 15:57:20,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:57:20,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:57:21,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:57:21,084 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 15:57:21,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:57:21,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40662679] [2024-11-07 15:57:21,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40662679] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:57:21,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:57:21,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 15:57:21,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760975907] [2024-11-07 15:57:21,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:57:21,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:57:21,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:57:21,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:57:21,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:57:21,110 INFO L87 Difference]: Start difference. First operand has 573 states, 554 states have (on average 1.6245487364620939) internal successors, (900), 563 states have internal predecessors, (900), 13 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 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 15:57:21,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 15:57:21,216 INFO L93 Difference]: Finished difference Result 1122 states and 1642 transitions. [2024-11-07 15:57:21,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:57:21,218 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 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 15:57:21,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 15:57:21,229 INFO L225 Difference]: With dead ends: 1122 [2024-11-07 15:57:21,229 INFO L226 Difference]: Without dead ends: 1120 [2024-11-07 15:57:21,231 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 15:57:21,232 INFO L432 NwaCegarLoop]: 919 mSDtfsCounter, 786 mSDsluCounter, 822 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 797 SdHoareTripleChecker+Valid, 1741 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 15:57:21,233 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [797 Valid, 1741 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 15:57:21,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2024-11-07 15:57:21,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 571. [2024-11-07 15:57:21,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 571 states, 554 states have (on average 1.4566787003610109) internal successors, (807), 561 states have internal predecessors, (807), 13 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-07 15:57:21,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 831 transitions. [2024-11-07 15:57:21,285 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 831 transitions. Word has length 7 [2024-11-07 15:57:21,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 15:57:21,285 INFO L471 AbstractCegarLoop]: Abstraction has 571 states and 831 transitions. [2024-11-07 15:57:21,285 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 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 15:57:21,286 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 831 transitions. [2024-11-07 15:57:21,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-11-07 15:57:21,296 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 15:57:21,296 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:57:21,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 15:57:21,297 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 15:57:21,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:57:21,297 INFO L85 PathProgramCache]: Analyzing trace with hash -897687887, now seen corresponding path program 1 times [2024-11-07 15:57:21,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:57:21,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83966417] [2024-11-07 15:57:21,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:57:21,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:57:21,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:57:21,955 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:57:21,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:57:21,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83966417] [2024-11-07 15:57:21,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83966417] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:57:21,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:57:21,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 15:57:21,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460641566] [2024-11-07 15:57:21,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:57:21,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 15:57:21,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:57:21,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 15:57:21,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 15:57:21,959 INFO L87 Difference]: Start difference. First operand 571 states and 831 transitions. Second operand has 4 states, 4 states have (on average 52.25) internal successors, (209), 4 states have internal predecessors, (209), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:57:22,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 15:57:22,042 INFO L93 Difference]: Finished difference Result 574 states and 827 transitions. [2024-11-07 15:57:22,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 15:57:22,045 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 52.25) internal successors, (209), 4 states have internal predecessors, (209), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 210 [2024-11-07 15:57:22,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 15:57:22,047 INFO L225 Difference]: With dead ends: 574 [2024-11-07 15:57:22,048 INFO L226 Difference]: Without dead ends: 574 [2024-11-07 15:57:22,048 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 15:57:22,049 INFO L432 NwaCegarLoop]: 801 mSDtfsCounter, 105 mSDsluCounter, 1509 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 2310 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 15:57:22,049 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 2310 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 15:57:22,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2024-11-07 15:57:22,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 571. [2024-11-07 15:57:22,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 571 states, 554 states have (on average 1.444043321299639) internal successors, (800), 561 states have internal predecessors, (800), 13 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-07 15:57:22,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 824 transitions. [2024-11-07 15:57:22,070 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 824 transitions. Word has length 210 [2024-11-07 15:57:22,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 15:57:22,070 INFO L471 AbstractCegarLoop]: Abstraction has 571 states and 824 transitions. [2024-11-07 15:57:22,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 52.25) internal successors, (209), 4 states have internal predecessors, (209), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:57:22,070 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 824 transitions. [2024-11-07 15:57:22,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-11-07 15:57:22,076 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 15:57:22,076 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:57:22,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 15:57:22,076 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 15:57:22,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:57:22,077 INFO L85 PathProgramCache]: Analyzing trace with hash -1975652059, now seen corresponding path program 1 times [2024-11-07 15:57:22,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:57:22,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160737671] [2024-11-07 15:57:22,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:57:22,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:57:22,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:57:22,394 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:57:22,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:57:22,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160737671] [2024-11-07 15:57:22,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160737671] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:57:22,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:57:22,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 15:57:22,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022702046] [2024-11-07 15:57:22,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:57:22,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:57:22,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:57:22,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:57:22,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:57:22,398 INFO L87 Difference]: Start difference. First operand 571 states and 824 transitions. Second operand has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:57:22,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 15:57:22,456 INFO L93 Difference]: Finished difference Result 700 states and 1012 transitions. [2024-11-07 15:57:22,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:57:22,459 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 210 [2024-11-07 15:57:22,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 15:57:22,463 INFO L225 Difference]: With dead ends: 700 [2024-11-07 15:57:22,466 INFO L226 Difference]: Without dead ends: 700 [2024-11-07 15:57:22,466 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 15:57:22,467 INFO L432 NwaCegarLoop]: 821 mSDtfsCounter, 134 mSDsluCounter, 814 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 1635 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 15:57:22,467 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 1635 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 15:57:22,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 700 states. [2024-11-07 15:57:22,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 700 to 700. [2024-11-07 15:57:22,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 700 states, 683 states have (on average 1.4465592972181551) internal successors, (988), 690 states have internal predecessors, (988), 13 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-07 15:57:22,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 700 states and 1012 transitions. [2024-11-07 15:57:22,496 INFO L78 Accepts]: Start accepts. Automaton has 700 states and 1012 transitions. Word has length 210 [2024-11-07 15:57:22,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 15:57:22,497 INFO L471 AbstractCegarLoop]: Abstraction has 700 states and 1012 transitions. [2024-11-07 15:57:22,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 15:57:22,497 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 1012 transitions. [2024-11-07 15:57:22,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-11-07 15:57:22,502 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 15:57:22,502 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:57:22,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 15:57:22,503 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 15:57:22,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:57:22,503 INFO L85 PathProgramCache]: Analyzing trace with hash 1182561125, now seen corresponding path program 1 times [2024-11-07 15:57:22,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:57:22,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72697229] [2024-11-07 15:57:22,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:57:22,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:57:22,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:57:22,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 15:57:22,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:57:22,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 15:57:22,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:57:22,995 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 15:57:22,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:57:22,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72697229] [2024-11-07 15:57:22,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72697229] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:57:22,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:57:22,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 15:57:22,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210865610] [2024-11-07 15:57:22,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:57:22,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:57:22,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:57:22,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:57:22,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:57:22,998 INFO L87 Difference]: Start difference. First operand 700 states and 1012 transitions. Second operand has 6 states, 6 states have (on average 36.166666666666664) internal successors, (217), 5 states have internal predecessors, (217), 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 15:57:23,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 15:57:23,282 INFO L93 Difference]: Finished difference Result 661 states and 944 transitions. [2024-11-07 15:57:23,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:57:23,282 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 36.166666666666664) internal successors, (217), 5 states have internal predecessors, (217), 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 225 [2024-11-07 15:57:23,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 15:57:23,285 INFO L225 Difference]: With dead ends: 661 [2024-11-07 15:57:23,285 INFO L226 Difference]: Without dead ends: 661 [2024-11-07 15:57:23,285 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 15:57:23,285 INFO L432 NwaCegarLoop]: 709 mSDtfsCounter, 51 mSDsluCounter, 1994 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 2703 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 15:57:23,286 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 2703 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 15:57:23,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2024-11-07 15:57:23,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 658. [2024-11-07 15:57:23,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 658 states, 641 states have (on average 1.421216848673947) internal successors, (911), 648 states have internal predecessors, (911), 13 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-07 15:57:23,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 658 states and 935 transitions. [2024-11-07 15:57:23,303 INFO L78 Accepts]: Start accepts. Automaton has 658 states and 935 transitions. Word has length 225 [2024-11-07 15:57:23,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 15:57:23,303 INFO L471 AbstractCegarLoop]: Abstraction has 658 states and 935 transitions. [2024-11-07 15:57:23,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 36.166666666666664) internal successors, (217), 5 states have internal predecessors, (217), 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 15:57:23,304 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 935 transitions. [2024-11-07 15:57:23,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-11-07 15:57:23,306 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 15:57:23,307 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:57:23,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 15:57:23,307 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 15:57:23,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:57:23,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1723329399, now seen corresponding path program 1 times [2024-11-07 15:57:23,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:57:23,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524371348] [2024-11-07 15:57:23,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:57:23,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:57:23,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:57:23,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 15:57:23,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:57:23,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 15:57:23,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:57:23,561 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 15:57:23,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:57:23,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524371348] [2024-11-07 15:57:23,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524371348] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:57:23,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:57:23,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:57:23,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134504087] [2024-11-07 15:57:23,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:57:23,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 15:57:23,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:57:23,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 15:57:23,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 15:57:23,563 INFO L87 Difference]: Start difference. First operand 658 states and 935 transitions. Second operand has 5 states, 5 states have (on average 43.4) internal successors, (217), 4 states have internal predecessors, (217), 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 15:57:24,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 15:57:24,111 INFO L93 Difference]: Finished difference Result 655 states and 934 transitions. [2024-11-07 15:57:24,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:57:24,112 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 43.4) internal successors, (217), 4 states have internal predecessors, (217), 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 225 [2024-11-07 15:57:24,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 15:57:24,114 INFO L225 Difference]: With dead ends: 655 [2024-11-07 15:57:24,116 INFO L226 Difference]: Without dead ends: 655 [2024-11-07 15:57:24,116 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 15:57:24,116 INFO L432 NwaCegarLoop]: 711 mSDtfsCounter, 19 mSDsluCounter, 1999 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 2710 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 15:57:24,116 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 2710 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 15:57:24,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 655 states. [2024-11-07 15:57:24,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 655 to 652. [2024-11-07 15:57:24,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 652 states, 635 states have (on average 1.4188976377952756) internal successors, (901), 642 states have internal predecessors, (901), 13 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-07 15:57:24,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 925 transitions. [2024-11-07 15:57:24,130 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 925 transitions. Word has length 225 [2024-11-07 15:57:24,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 15:57:24,130 INFO L471 AbstractCegarLoop]: Abstraction has 652 states and 925 transitions. [2024-11-07 15:57:24,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 43.4) internal successors, (217), 4 states have internal predecessors, (217), 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 15:57:24,131 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 925 transitions. [2024-11-07 15:57:24,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-11-07 15:57:24,150 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 15:57:24,151 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:57:24,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 15:57:24,151 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 15:57:24,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:57:24,151 INFO L85 PathProgramCache]: Analyzing trace with hash 753199727, now seen corresponding path program 1 times [2024-11-07 15:57:24,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:57:24,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094949170] [2024-11-07 15:57:24,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:57:24,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:57:24,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:57:24,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 15:57:24,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:57:24,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 15:57:24,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:57:24,382 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 15:57:24,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:57:24,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094949170] [2024-11-07 15:57:24,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094949170] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:57:24,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:57:24,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 15:57:24,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531986622] [2024-11-07 15:57:24,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:57:24,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 15:57:24,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:57:24,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 15:57:24,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 15:57:24,384 INFO L87 Difference]: Start difference. First operand 652 states and 925 transitions. Second operand has 4 states, 4 states have (on average 54.25) internal successors, (217), 3 states have internal predecessors, (217), 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 15:57:24,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 15:57:24,701 INFO L93 Difference]: Finished difference Result 944 states and 1350 transitions. [2024-11-07 15:57:24,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 15:57:24,701 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 54.25) internal successors, (217), 3 states have internal predecessors, (217), 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 225 [2024-11-07 15:57:24,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 15:57:24,705 INFO L225 Difference]: With dead ends: 944 [2024-11-07 15:57:24,705 INFO L226 Difference]: Without dead ends: 944 [2024-11-07 15:57:24,705 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 15:57:24,706 INFO L432 NwaCegarLoop]: 921 mSDtfsCounter, 463 mSDsluCounter, 1519 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 470 SdHoareTripleChecker+Valid, 2440 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 15:57:24,706 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [470 Valid, 2440 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 15:57:24,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 944 states. [2024-11-07 15:57:24,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 944 to 937. [2024-11-07 15:57:24,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 937 states, 912 states have (on average 1.4199561403508771) internal successors, (1295), 924 states have internal predecessors, (1295), 21 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (19), 11 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-07 15:57:24,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 937 states and 1335 transitions. [2024-11-07 15:57:24,731 INFO L78 Accepts]: Start accepts. Automaton has 937 states and 1335 transitions. Word has length 225 [2024-11-07 15:57:24,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 15:57:24,731 INFO L471 AbstractCegarLoop]: Abstraction has 937 states and 1335 transitions. [2024-11-07 15:57:24,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 54.25) internal successors, (217), 3 states have internal predecessors, (217), 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 15:57:24,732 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 1335 transitions. [2024-11-07 15:57:24,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2024-11-07 15:57:24,734 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 15:57:24,735 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:57:24,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 15:57:24,735 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 15:57:24,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:57:24,735 INFO L85 PathProgramCache]: Analyzing trace with hash 344727401, now seen corresponding path program 1 times [2024-11-07 15:57:24,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:57:24,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447938070] [2024-11-07 15:57:24,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:57:24,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:57:24,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:57:25,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 15:57:25,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:57:25,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 15:57:25,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:57:25,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-07 15:57:25,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:57:25,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-07 15:57:25,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:57:25,066 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 15:57:25,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:57:25,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447938070] [2024-11-07 15:57:25,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447938070] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 15:57:25,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [713522174] [2024-11-07 15:57:25,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:57:25,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:57:25,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:57:25,069 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 15:57:25,070 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 15:57:25,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:57:25,472 INFO L255 TraceCheckSpWp]: Trace formula consists of 1197 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 15:57:25,478 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 15:57:25,516 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-07 15:57:25,517 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 15:57:25,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [713522174] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:57:25,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 15:57:25,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-07 15:57:25,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756752651] [2024-11-07 15:57:25,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:57:25,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:57:25,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:57:25,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:57:25,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:57:25,518 INFO L87 Difference]: Start difference. First operand 937 states and 1335 transitions. Second operand has 3 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 15:57:25,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 15:57:25,610 INFO L93 Difference]: Finished difference Result 977 states and 1375 transitions. [2024-11-07 15:57:25,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:57:25,611 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 240 [2024-11-07 15:57:25,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 15:57:25,614 INFO L225 Difference]: With dead ends: 977 [2024-11-07 15:57:25,614 INFO L226 Difference]: Without dead ends: 977 [2024-11-07 15:57:25,614 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:57:25,615 INFO L432 NwaCegarLoop]: 717 mSDtfsCounter, 7 mSDsluCounter, 700 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 1417 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 15:57:25,615 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 1417 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 15:57:25,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2024-11-07 15:57:25,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 977. [2024-11-07 15:57:25,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 977 states, 952 states have (on average 1.4023109243697478) internal successors, (1335), 964 states have internal predecessors, (1335), 21 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (19), 11 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-07 15:57:25,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1375 transitions. [2024-11-07 15:57:25,630 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1375 transitions. Word has length 240 [2024-11-07 15:57:25,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 15:57:25,630 INFO L471 AbstractCegarLoop]: Abstraction has 977 states and 1375 transitions. [2024-11-07 15:57:25,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 15:57:25,630 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1375 transitions. [2024-11-07 15:57:25,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2024-11-07 15:57:25,632 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 15:57:25,632 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:57:25,648 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-07 15:57:25,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:57:25,833 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 15:57:25,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:57:25,833 INFO L85 PathProgramCache]: Analyzing trace with hash 1716534699, now seen corresponding path program 1 times [2024-11-07 15:57:25,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:57:25,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202420058] [2024-11-07 15:57:25,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:57:25,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:57:25,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:57:26,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 15:57:26,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:57:26,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 15:57:26,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:57:26,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-07 15:57:26,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:57:26,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-07 15:57:26,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:57:26,098 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 15:57:26,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:57:26,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202420058] [2024-11-07 15:57:26,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202420058] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 15:57:26,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [608928058] [2024-11-07 15:57:26,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:57:26,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:57:26,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:57:26,100 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 15:57:26,101 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 15:57:26,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:57:26,526 INFO L255 TraceCheckSpWp]: Trace formula consists of 1201 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 15:57:26,533 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 15:57:26,576 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-07 15:57:26,576 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 15:57:26,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [608928058] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:57:26,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 15:57:26,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2024-11-07 15:57:26,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955228807] [2024-11-07 15:57:26,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:57:26,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 15:57:26,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:57:26,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 15:57:26,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-07 15:57:26,579 INFO L87 Difference]: Start difference. First operand 977 states and 1375 transitions. Second operand has 5 states, 5 states have (on average 44.4) internal successors, (222), 5 states have internal predecessors, (222), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 15:57:26,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 15:57:26,640 INFO L93 Difference]: Finished difference Result 949 states and 1333 transitions. [2024-11-07 15:57:26,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 15:57:26,640 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 44.4) internal successors, (222), 5 states have internal predecessors, (222), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 240 [2024-11-07 15:57:26,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 15:57:26,643 INFO L225 Difference]: With dead ends: 949 [2024-11-07 15:57:26,643 INFO L226 Difference]: Without dead ends: 949 [2024-11-07 15:57:26,643 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-07 15:57:26,644 INFO L432 NwaCegarLoop]: 707 mSDtfsCounter, 88 mSDsluCounter, 2016 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 2723 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 15:57:26,644 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 2723 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 15:57:26,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 949 states. [2024-11-07 15:57:26,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 949 to 949. [2024-11-07 15:57:26,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 949 states, 924 states have (on average 1.3993506493506493) internal successors, (1293), 936 states have internal predecessors, (1293), 21 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (19), 11 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-07 15:57:26,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 949 states and 1333 transitions. [2024-11-07 15:57:26,662 INFO L78 Accepts]: Start accepts. Automaton has 949 states and 1333 transitions. Word has length 240 [2024-11-07 15:57:26,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 15:57:26,663 INFO L471 AbstractCegarLoop]: Abstraction has 949 states and 1333 transitions. [2024-11-07 15:57:26,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 44.4) internal successors, (222), 5 states have internal predecessors, (222), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 15:57:26,663 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1333 transitions. [2024-11-07 15:57:26,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2024-11-07 15:57:26,665 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 15:57:26,665 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:57:26,680 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-07 15:57:26,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:57:26,866 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 15:57:26,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:57:26,866 INFO L85 PathProgramCache]: Analyzing trace with hash -826786723, now seen corresponding path program 1 times [2024-11-07 15:57:26,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:57:26,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847946329] [2024-11-07 15:57:26,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:57:26,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:57:26,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:57:27,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 15:57:27,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:57:27,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 15:57:27,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:57:27,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-07 15:57:27,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:57:27,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-07 15:57:27,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:57:27,124 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 15:57:27,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:57:27,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847946329] [2024-11-07 15:57:27,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847946329] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 15:57:27,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1102856580] [2024-11-07 15:57:27,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:57:27,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:57:27,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:57:27,126 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 15:57:27,128 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 15:57:27,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:57:27,552 INFO L255 TraceCheckSpWp]: Trace formula consists of 1173 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 15:57:27,556 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 15:57:27,586 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-07 15:57:27,586 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 15:57:27,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1102856580] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:57:27,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 15:57:27,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2024-11-07 15:57:27,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671400466] [2024-11-07 15:57:27,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:57:27,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 15:57:27,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:57:27,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 15:57:27,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-07 15:57:27,588 INFO L87 Difference]: Start difference. First operand 949 states and 1333 transitions. Second operand has 4 states, 4 states have (on average 55.5) internal successors, (222), 4 states have internal predecessors, (222), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 15:57:27,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 15:57:27,627 INFO L93 Difference]: Finished difference Result 841 states and 1161 transitions. [2024-11-07 15:57:27,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 15:57:27,628 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 55.5) internal successors, (222), 4 states have internal predecessors, (222), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 240 [2024-11-07 15:57:27,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 15:57:27,630 INFO L225 Difference]: With dead ends: 841 [2024-11-07 15:57:27,630 INFO L226 Difference]: Without dead ends: 841 [2024-11-07 15:57:27,631 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-07 15:57:27,631 INFO L432 NwaCegarLoop]: 632 mSDtfsCounter, 9 mSDsluCounter, 1245 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1877 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 15:57:27,631 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1877 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 15:57:27,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 841 states. [2024-11-07 15:57:27,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 841 to 841. [2024-11-07 15:57:27,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 841 states, 816 states have (on average 1.3737745098039216) internal successors, (1121), 828 states have internal predecessors, (1121), 21 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (19), 11 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-07 15:57:27,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 841 states and 1161 transitions. [2024-11-07 15:57:27,644 INFO L78 Accepts]: Start accepts. Automaton has 841 states and 1161 transitions. Word has length 240 [2024-11-07 15:57:27,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 15:57:27,645 INFO L471 AbstractCegarLoop]: Abstraction has 841 states and 1161 transitions. [2024-11-07 15:57:27,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 55.5) internal successors, (222), 4 states have internal predecessors, (222), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 15:57:27,645 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1161 transitions. [2024-11-07 15:57:27,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2024-11-07 15:57:27,647 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 15:57:27,647 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:57:27,662 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 15:57:27,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:57:27,848 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 15:57:27,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:57:27,848 INFO L85 PathProgramCache]: Analyzing trace with hash 545020575, now seen corresponding path program 1 times [2024-11-07 15:57:27,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:57:27,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981499420] [2024-11-07 15:57:27,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:57:27,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:57:27,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:57:28,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 15:57:28,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:57:28,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 15:57:28,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:57:28,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-07 15:57:28,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:57:28,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-07 15:57:28,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:57:28,088 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 15:57:28,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:57:28,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981499420] [2024-11-07 15:57:28,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981499420] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 15:57:28,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1610129177] [2024-11-07 15:57:28,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:57:28,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:57:28,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:57:28,090 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 15:57:28,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-07 15:57:28,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:57:28,495 INFO L255 TraceCheckSpWp]: Trace formula consists of 1177 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 15:57:28,498 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 15:57:28,655 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 15:57:28,655 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 15:57:28,828 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 15:57:28,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1610129177] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 15:57:28,828 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 15:57:28,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 8 [2024-11-07 15:57:28,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368589656] [2024-11-07 15:57:28,828 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 15:57:28,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 15:57:28,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:57:28,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 15:57:28,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-07 15:57:28,834 INFO L87 Difference]: Start difference. First operand 841 states and 1161 transitions. Second operand has 8 states, 8 states have (on average 67.25) internal successors, (538), 7 states have internal predecessors, (538), 4 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-07 15:57:29,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 15:57:29,364 INFO L93 Difference]: Finished difference Result 1930 states and 2693 transitions. [2024-11-07 15:57:29,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 15:57:29,365 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 67.25) internal successors, (538), 7 states have internal predecessors, (538), 4 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 240 [2024-11-07 15:57:29,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 15:57:29,371 INFO L225 Difference]: With dead ends: 1930 [2024-11-07 15:57:29,372 INFO L226 Difference]: Without dead ends: 1930 [2024-11-07 15:57:29,372 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 490 GetRequests, 484 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-07 15:57:29,372 INFO L432 NwaCegarLoop]: 678 mSDtfsCounter, 2403 mSDsluCounter, 2525 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2450 SdHoareTripleChecker+Valid, 3203 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 15:57:29,373 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2450 Valid, 3203 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 15:57:29,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1930 states. [2024-11-07 15:57:29,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1930 to 1712. [2024-11-07 15:57:29,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1712 states, 1662 states have (on average 1.3694344163658243) internal successors, (2276), 1684 states have internal predecessors, (2276), 46 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (44), 28 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-07 15:57:29,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1712 states to 1712 states and 2366 transitions. [2024-11-07 15:57:29,403 INFO L78 Accepts]: Start accepts. Automaton has 1712 states and 2366 transitions. Word has length 240 [2024-11-07 15:57:29,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 15:57:29,404 INFO L471 AbstractCegarLoop]: Abstraction has 1712 states and 2366 transitions. [2024-11-07 15:57:29,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 67.25) internal successors, (538), 7 states have internal predecessors, (538), 4 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-07 15:57:29,405 INFO L276 IsEmpty]: Start isEmpty. Operand 1712 states and 2366 transitions. [2024-11-07 15:57:29,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 679 [2024-11-07 15:57:29,413 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 15:57:29,413 INFO L215 NwaCegarLoop]: trace histogram [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, 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, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:57:29,428 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-07 15:57:29,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-07 15:57:29,615 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 15:57:29,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:57:29,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1556986692, now seen corresponding path program 1 times [2024-11-07 15:57:29,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:57:29,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695714851] [2024-11-07 15:57:29,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:57:29,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:57:29,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:57:30,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 15:57:30,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:57:30,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 15:57:30,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:57:30,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-07 15:57:30,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:57:30,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-07 15:57:30,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:57:30,674 INFO L134 CoverageAnalysis]: Checked inductivity of 892 backedges. 4 proven. 534 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2024-11-07 15:57:30,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:57:30,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695714851] [2024-11-07 15:57:30,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695714851] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 15:57:30,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [283168990] [2024-11-07 15:57:30,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:57:30,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 15:57:30,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:57:30,676 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 15:57:30,677 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-07 15:57:31,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:57:31,484 INFO L255 TraceCheckSpWp]: Trace formula consists of 3232 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-07 15:57:31,526 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 15:57:32,084 INFO L134 CoverageAnalysis]: Checked inductivity of 892 backedges. 0 proven. 868 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 15:57:32,085 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 15:57:32,667 INFO L134 CoverageAnalysis]: Checked inductivity of 892 backedges. 0 proven. 868 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 15:57:32,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [283168990] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 15:57:32,667 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 15:57:32,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 17 [2024-11-07 15:57:32,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115288292] [2024-11-07 15:57:32,669 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 15:57:32,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-07 15:57:32,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:57:32,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-07 15:57:32,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2024-11-07 15:57:32,673 INFO L87 Difference]: Start difference. First operand 1712 states and 2366 transitions. Second operand has 17 states, 17 states have (on average 98.23529411764706) internal successors, (1670), 16 states have internal predecessors, (1670), 5 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-07 15:57:39,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 15:57:39,071 INFO L93 Difference]: Finished difference Result 13569 states and 18906 transitions. [2024-11-07 15:57:39,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-11-07 15:57:39,072 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 98.23529411764706) internal successors, (1670), 16 states have internal predecessors, (1670), 5 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 678 [2024-11-07 15:57:39,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 15:57:39,111 INFO L225 Difference]: With dead ends: 13569 [2024-11-07 15:57:39,111 INFO L226 Difference]: Without dead ends: 13569 [2024-11-07 15:57:39,112 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1422 GetRequests, 1353 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1521 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=1242, Invalid=3728, Unknown=0, NotChecked=0, Total=4970 [2024-11-07 15:57:39,113 INFO L432 NwaCegarLoop]: 1370 mSDtfsCounter, 35291 mSDsluCounter, 13511 mSDsCounter, 0 mSdLazyCounter, 2586 mSolverCounterSat, 721 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35291 SdHoareTripleChecker+Valid, 14881 SdHoareTripleChecker+Invalid, 3307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 721 IncrementalHoareTripleChecker+Valid, 2586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-11-07 15:57:39,113 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35291 Valid, 14881 Invalid, 3307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [721 Valid, 2586 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2024-11-07 15:57:39,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13569 states. [2024-11-07 15:57:39,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13569 to 10334. [2024-11-07 15:57:39,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10334 states, 10142 states have (on average 1.3739893512127785) internal successors, (13935), 10219 states have internal predecessors, (13935), 188 states have call successors, (188), 3 states have call predecessors, (188), 2 states have return successors, (186), 126 states have call predecessors, (186), 186 states have call successors, (186) [2024-11-07 15:57:39,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10334 states to 10334 states and 14309 transitions. [2024-11-07 15:57:39,332 INFO L78 Accepts]: Start accepts. Automaton has 10334 states and 14309 transitions. Word has length 678 [2024-11-07 15:57:39,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 15:57:39,333 INFO L471 AbstractCegarLoop]: Abstraction has 10334 states and 14309 transitions. [2024-11-07 15:57:39,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 98.23529411764706) internal successors, (1670), 16 states have internal predecessors, (1670), 5 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-07 15:57:39,334 INFO L276 IsEmpty]: Start isEmpty. Operand 10334 states and 14309 transitions. [2024-11-07 15:57:39,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1565 [2024-11-07 15:57:39,391 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 15:57:39,391 INFO L215 NwaCegarLoop]: trace histogram [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, 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, 9, 9, 9, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:57:39,410 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-07 15:57:39,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-07 15:57:39,596 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 15:57:39,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:57:39,597 INFO L85 PathProgramCache]: Analyzing trace with hash 313254882, now seen corresponding path program 1 times [2024-11-07 15:57:39,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:57:39,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859972353] [2024-11-07 15:57:39,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:57:39,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms