./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_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_FNV_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', 'c7b5cea41c34641368705a00e3051c009f6877551b3530b7d4fceaf386f5f58c'] 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_FNV_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 c7b5cea41c34641368705a00e3051c009f6877551b3530b7d4fceaf386f5f58c --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 16:00:14,264 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 16:00:14,348 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2024-11-07 16:00:14,353 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 16:00:14,353 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 16:00:14,381 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 16:00:14,384 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 16:00:14,384 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 16:00:14,384 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 16:00:14,385 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 16:00:14,385 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 16:00:14,386 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 16:00:14,386 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 16:00:14,386 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 16:00:14,386 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 16:00:14,386 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 16:00:14,387 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 16:00:14,387 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 16:00:14,387 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 16:00:14,387 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 16:00:14,387 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 16:00:14,387 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 16:00:14,388 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-07 16:00:14,388 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-07 16:00:14,388 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 16:00:14,388 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 16:00:14,388 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-07 16:00:14,388 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 16:00:14,389 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 16:00:14,389 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 16:00:14,389 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 16:00:14,389 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 16:00:14,389 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 16:00:14,389 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 16:00:14,389 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 16:00:14,389 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 16:00:14,390 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 16:00:14,390 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 16:00:14,390 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 16:00:14,390 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 16:00:14,391 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 16:00:14,391 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 16:00:14,391 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 16:00:14,391 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 16:00:14,391 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 16:00:14,391 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 -> c7b5cea41c34641368705a00e3051c009f6877551b3530b7d4fceaf386f5f58c [2024-11-07 16:00:14,735 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 16:00:14,743 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 16:00:14,745 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 16:00:14,746 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 16:00:14,747 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 16:00:14,749 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-1.i [2024-11-07 16:00:15,986 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 16:00:16,346 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 16:00:16,347 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test5-1.i [2024-11-07 16:00:16,369 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5a908fdae/7c900e0aa17946dc8c624f8e0be2b957/FLAG5b5ee5be3 [2024-11-07 16:00:16,558 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5a908fdae/7c900e0aa17946dc8c624f8e0be2b957 [2024-11-07 16:00:16,559 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 16:00:16,561 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 16:00:16,562 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 16:00:16,562 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 16:00:16,565 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 16:00:16,566 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:00:16" (1/1) ... [2024-11-07 16:00:16,568 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4455e779 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:00:16, skipping insertion in model container [2024-11-07 16:00:16,568 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:00:16" (1/1) ... [2024-11-07 16:00:16,612 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 16:00:16,911 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:00:16,935 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:00:16,938 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:00:16,941 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:00:16,947 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:00:16,981 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:00:16,983 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:00:16,989 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:00:16,997 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:00:17,019 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:00:17,020 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:00:17,025 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:00:17,025 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 16:00:17,036 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 16:00:17,055 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 16:00:17,163 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 16:00:17,207 INFO L204 MainTranslator]: Completed translation [2024-11-07 16:00:17,207 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:00:17 WrapperNode [2024-11-07 16:00:17,207 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 16:00:17,208 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 16:00:17,208 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 16:00:17,208 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 16:00:17,212 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:00:17" (1/1) ... [2024-11-07 16:00:17,247 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:00:17" (1/1) ... [2024-11-07 16:00:17,339 INFO L138 Inliner]: procedures = 177, calls = 375, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2036 [2024-11-07 16:00:17,340 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 16:00:17,341 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 16:00:17,341 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 16:00:17,341 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 16:00:17,349 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:00:17" (1/1) ... [2024-11-07 16:00:17,349 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:00:17" (1/1) ... [2024-11-07 16:00:17,366 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:00:17" (1/1) ... [2024-11-07 16:00:17,467 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 16:00:17,468 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:00:17" (1/1) ... [2024-11-07 16:00:17,468 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:00:17" (1/1) ... [2024-11-07 16:00:17,514 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:00:17" (1/1) ... [2024-11-07 16:00:17,527 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:00:17" (1/1) ... [2024-11-07 16:00:17,533 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:00:17" (1/1) ... [2024-11-07 16:00:17,538 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:00:17" (1/1) ... [2024-11-07 16:00:17,549 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 16:00:17,550 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 16:00:17,550 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 16:00:17,550 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 16:00:17,551 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:00:17" (1/1) ... [2024-11-07 16:00:17,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 16:00:17,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 16:00:17,583 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 16:00:17,587 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 16:00:17,609 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-07 16:00:17,609 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-07 16:00:17,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 16:00:17,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 16:00:17,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 16:00:17,610 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 16:00:17,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 16:00:17,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 16:00:17,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 16:00:17,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 16:00:17,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-07 16:00:17,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-07 16:00:17,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-07 16:00:17,612 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-07 16:00:17,612 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-07 16:00:17,612 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-07 16:00:17,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 16:00:17,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 16:00:17,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 16:00:17,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 16:00:17,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 16:00:17,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 16:00:17,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 16:00:17,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 16:00:17,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 16:00:17,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 16:00:17,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 16:00:17,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 16:00:17,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 16:00:17,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 16:00:17,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 16:00:17,868 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 16:00:17,870 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 16:00:19,881 INFO L? ?]: Removed 485 outVars from TransFormulas that were not future-live. [2024-11-07 16:00:19,882 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 16:00:19,909 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 16:00:19,912 INFO L316 CfgBuilder]: Removed 83 assume(true) statements. [2024-11-07 16:00:19,915 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:00:19 BoogieIcfgContainer [2024-11-07 16:00:19,915 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 16:00:19,917 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 16:00:19,917 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 16:00:19,922 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 16:00:19,922 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:00:16" (1/3) ... [2024-11-07 16:00:19,923 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e4fbcbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:00:19, skipping insertion in model container [2024-11-07 16:00:19,923 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:00:17" (2/3) ... [2024-11-07 16:00:19,923 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e4fbcbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:00:19, skipping insertion in model container [2024-11-07 16:00:19,923 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:00:19" (3/3) ... [2024-11-07 16:00:19,924 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test5-1.i [2024-11-07 16:00:19,938 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 16:00:19,938 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-07 16:00:19,989 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 16:00:19,999 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;@d4a9e60, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 16:00:19,999 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-07 16:00:20,005 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 16:00:20,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-07 16:00:20,010 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:00:20,011 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-07 16:00:20,011 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 16:00:20,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:00:20,015 INFO L85 PathProgramCache]: Analyzing trace with hash 2051748014, now seen corresponding path program 1 times [2024-11-07 16:00:20,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 16:00:20,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535972978] [2024-11-07 16:00:20,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:00:20,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 16:00:20,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:00:20,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 16:00:20,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 16:00:20,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535972978] [2024-11-07 16:00:20,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535972978] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 16:00:20,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 16:00:20,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 16:00:20,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364927471] [2024-11-07 16:00:20,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 16:00:20,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 16:00:20,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 16:00:20,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 16:00:20,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 16:00:20,262 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 16:00:20,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:00:20,434 INFO L93 Difference]: Finished difference Result 1122 states and 1642 transitions. [2024-11-07 16:00:20,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 16:00:20,437 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 16:00:20,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:00:20,457 INFO L225 Difference]: With dead ends: 1122 [2024-11-07 16:00:20,458 INFO L226 Difference]: Without dead ends: 1120 [2024-11-07 16:00:20,460 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 16:00:20,463 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 16:00:20,463 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 16:00:20,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2024-11-07 16:00:20,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 571. [2024-11-07 16:00:20,543 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 16:00:20,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 831 transitions. [2024-11-07 16:00:20,552 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 831 transitions. Word has length 7 [2024-11-07 16:00:20,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:00:20,553 INFO L471 AbstractCegarLoop]: Abstraction has 571 states and 831 transitions. [2024-11-07 16:00:20,553 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 16:00:20,553 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 831 transitions. [2024-11-07 16:00:20,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-11-07 16:00:20,567 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:00:20,567 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 16:00:20,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 16:00:20,567 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 16:00:20,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:00:20,568 INFO L85 PathProgramCache]: Analyzing trace with hash -897687887, now seen corresponding path program 1 times [2024-11-07 16:00:20,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 16:00:20,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102798310] [2024-11-07 16:00:20,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:00:20,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 16:00:20,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:00:21,367 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 16:00:21,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 16:00:21,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102798310] [2024-11-07 16:00:21,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102798310] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 16:00:21,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 16:00:21,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 16:00:21,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433416395] [2024-11-07 16:00:21,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 16:00:21,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 16:00:21,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 16:00:21,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 16:00:21,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 16:00:21,372 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 16:00:21,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:00:21,497 INFO L93 Difference]: Finished difference Result 574 states and 827 transitions. [2024-11-07 16:00:21,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 16:00:21,498 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 16:00:21,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:00:21,501 INFO L225 Difference]: With dead ends: 574 [2024-11-07 16:00:21,503 INFO L226 Difference]: Without dead ends: 574 [2024-11-07 16:00:21,503 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 16:00:21,504 INFO L432 NwaCegarLoop]: 801 mSDtfsCounter, 105 mSDsluCounter, 1509 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 16:00:21,504 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 16:00:21,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2024-11-07 16:00:21,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 571. [2024-11-07 16:00:21,527 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 16:00:21,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 824 transitions. [2024-11-07 16:00:21,536 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 824 transitions. Word has length 210 [2024-11-07 16:00:21,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:00:21,537 INFO L471 AbstractCegarLoop]: Abstraction has 571 states and 824 transitions. [2024-11-07 16:00:21,537 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 16:00:21,537 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 824 transitions. [2024-11-07 16:00:21,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-11-07 16:00:21,542 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:00:21,542 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 16:00:21,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 16:00:21,542 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 16:00:21,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:00:21,544 INFO L85 PathProgramCache]: Analyzing trace with hash -1975652059, now seen corresponding path program 1 times [2024-11-07 16:00:21,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 16:00:21,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306830914] [2024-11-07 16:00:21,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:00:21,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 16:00:21,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:00:21,904 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 16:00:21,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 16:00:21,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306830914] [2024-11-07 16:00:21,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306830914] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 16:00:21,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 16:00:21,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 16:00:21,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778649562] [2024-11-07 16:00:21,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 16:00:21,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 16:00:21,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 16:00:21,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 16:00:21,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 16:00:21,910 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 16:00:21,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:00:21,962 INFO L93 Difference]: Finished difference Result 700 states and 1012 transitions. [2024-11-07 16:00:21,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 16:00:21,965 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 16:00:21,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:00:21,971 INFO L225 Difference]: With dead ends: 700 [2024-11-07 16:00:21,971 INFO L226 Difference]: Without dead ends: 700 [2024-11-07 16:00:21,972 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 16:00:21,972 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 16:00:21,973 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 16:00:21,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 700 states. [2024-11-07 16:00:21,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 700 to 700. [2024-11-07 16:00:21,993 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 16:00:21,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 700 states and 1012 transitions. [2024-11-07 16:00:21,999 INFO L78 Accepts]: Start accepts. Automaton has 700 states and 1012 transitions. Word has length 210 [2024-11-07 16:00:21,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:00:21,999 INFO L471 AbstractCegarLoop]: Abstraction has 700 states and 1012 transitions. [2024-11-07 16:00:22,000 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 16:00:22,001 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 1012 transitions. [2024-11-07 16:00:22,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-11-07 16:00:22,015 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:00:22,016 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 16:00:22,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 16:00:22,016 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 16:00:22,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:00:22,017 INFO L85 PathProgramCache]: Analyzing trace with hash 1182561125, now seen corresponding path program 1 times [2024-11-07 16:00:22,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 16:00:22,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942176989] [2024-11-07 16:00:22,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:00:22,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 16:00:22,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:00:22,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 16:00:22,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:00:22,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 16:00:22,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:00:22,614 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 16:00:22,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 16:00:22,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942176989] [2024-11-07 16:00:22,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942176989] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 16:00:22,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 16:00:22,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 16:00:22,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259194924] [2024-11-07 16:00:22,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 16:00:22,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 16:00:22,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 16:00:22,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 16:00:22,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-07 16:00:22,618 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 16:00:23,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:00:23,046 INFO L93 Difference]: Finished difference Result 661 states and 944 transitions. [2024-11-07 16:00:23,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 16:00:23,047 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 16:00:23,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:00:23,052 INFO L225 Difference]: With dead ends: 661 [2024-11-07 16:00:23,052 INFO L226 Difference]: Without dead ends: 661 [2024-11-07 16:00:23,053 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-07 16:00:23,053 INFO L432 NwaCegarLoop]: 709 mSDtfsCounter, 51 mSDsluCounter, 1994 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 16:00:23,053 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 2703 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 16:00:23,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2024-11-07 16:00:23,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 658. [2024-11-07 16:00:23,074 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 16:00:23,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 658 states and 935 transitions. [2024-11-07 16:00:23,077 INFO L78 Accepts]: Start accepts. Automaton has 658 states and 935 transitions. Word has length 225 [2024-11-07 16:00:23,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:00:23,078 INFO L471 AbstractCegarLoop]: Abstraction has 658 states and 935 transitions. [2024-11-07 16:00:23,079 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 16:00:23,079 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 935 transitions. [2024-11-07 16:00:23,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-11-07 16:00:23,081 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:00:23,081 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 16:00:23,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 16:00:23,082 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 16:00:23,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:00:23,082 INFO L85 PathProgramCache]: Analyzing trace with hash 1723329399, now seen corresponding path program 1 times [2024-11-07 16:00:23,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 16:00:23,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107833418] [2024-11-07 16:00:23,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:00:23,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 16:00:23,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:00:23,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 16:00:23,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:00:23,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 16:00:23,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:00:23,486 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 16:00:23,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 16:00:23,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107833418] [2024-11-07 16:00:23,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107833418] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 16:00:23,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 16:00:23,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 16:00:23,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699542688] [2024-11-07 16:00:23,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 16:00:23,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 16:00:23,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 16:00:23,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 16:00:23,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 16:00:23,488 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 16:00:24,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:00:24,215 INFO L93 Difference]: Finished difference Result 655 states and 934 transitions. [2024-11-07 16:00:24,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 16:00:24,215 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 16:00:24,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:00:24,219 INFO L225 Difference]: With dead ends: 655 [2024-11-07 16:00:24,219 INFO L226 Difference]: Without dead ends: 655 [2024-11-07 16:00:24,220 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-07 16:00:24,222 INFO L432 NwaCegarLoop]: 711 mSDtfsCounter, 19 mSDsluCounter, 1999 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 16:00:24,226 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 2710 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 16:00:24,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 655 states. [2024-11-07 16:00:24,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 655 to 652. [2024-11-07 16:00:24,243 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 16:00:24,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 925 transitions. [2024-11-07 16:00:24,248 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 925 transitions. Word has length 225 [2024-11-07 16:00:24,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:00:24,249 INFO L471 AbstractCegarLoop]: Abstraction has 652 states and 925 transitions. [2024-11-07 16:00:24,249 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 16:00:24,249 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 925 transitions. [2024-11-07 16:00:24,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-11-07 16:00:24,253 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:00:24,254 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 16:00:24,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 16:00:24,254 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 16:00:24,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:00:24,255 INFO L85 PathProgramCache]: Analyzing trace with hash 753199727, now seen corresponding path program 1 times [2024-11-07 16:00:24,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 16:00:24,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442574898] [2024-11-07 16:00:24,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:00:24,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 16:00:24,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:00:24,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 16:00:24,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:00:24,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 16:00:24,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:00:24,627 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 16:00:24,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 16:00:24,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442574898] [2024-11-07 16:00:24,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442574898] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 16:00:24,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 16:00:24,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 16:00:24,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157150155] [2024-11-07 16:00:24,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 16:00:24,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 16:00:24,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 16:00:24,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 16:00:24,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 16:00:24,631 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 16:00:25,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:00:25,067 INFO L93 Difference]: Finished difference Result 944 states and 1350 transitions. [2024-11-07 16:00:25,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 16:00:25,068 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 16:00:25,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:00:25,073 INFO L225 Difference]: With dead ends: 944 [2024-11-07 16:00:25,073 INFO L226 Difference]: Without dead ends: 944 [2024-11-07 16:00:25,073 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 16:00:25,075 INFO L432 NwaCegarLoop]: 921 mSDtfsCounter, 463 mSDsluCounter, 1519 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 16:00:25,075 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [470 Valid, 2440 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 16:00:25,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 944 states. [2024-11-07 16:00:25,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 944 to 937. [2024-11-07 16:00:25,101 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 16:00:25,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 937 states and 1335 transitions. [2024-11-07 16:00:25,105 INFO L78 Accepts]: Start accepts. Automaton has 937 states and 1335 transitions. Word has length 225 [2024-11-07 16:00:25,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:00:25,105 INFO L471 AbstractCegarLoop]: Abstraction has 937 states and 1335 transitions. [2024-11-07 16:00:25,105 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 16:00:25,106 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 1335 transitions. [2024-11-07 16:00:25,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2024-11-07 16:00:25,108 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:00:25,109 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 16:00:25,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 16:00:25,109 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 16:00:25,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:00:25,109 INFO L85 PathProgramCache]: Analyzing trace with hash 344727401, now seen corresponding path program 1 times [2024-11-07 16:00:25,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 16:00:25,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810727134] [2024-11-07 16:00:25,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:00:25,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 16:00:25,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:00:25,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 16:00:25,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:00:25,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 16:00:25,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:00:25,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-07 16:00:25,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:00:25,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-07 16:00:25,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:00:25,513 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 16:00:25,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 16:00:25,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810727134] [2024-11-07 16:00:25,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810727134] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 16:00:25,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1816500547] [2024-11-07 16:00:25,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:00:25,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 16:00:25,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 16:00:25,517 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 16:00:25,519 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-07 16:00:26,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:00:26,095 INFO L255 TraceCheckSpWp]: Trace formula consists of 1197 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 16:00:26,104 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 16:00:26,145 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 16:00:26,146 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 16:00:26,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1816500547] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 16:00:26,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 16:00:26,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-07 16:00:26,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187305244] [2024-11-07 16:00:26,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 16:00:26,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 16:00:26,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 16:00:26,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 16:00:26,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 16:00:26,148 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 16:00:26,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:00:26,232 INFO L93 Difference]: Finished difference Result 977 states and 1375 transitions. [2024-11-07 16:00:26,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 16:00:26,233 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 16:00:26,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:00:26,237 INFO L225 Difference]: With dead ends: 977 [2024-11-07 16:00:26,237 INFO L226 Difference]: Without dead ends: 977 [2024-11-07 16:00:26,237 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 16:00:26,238 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 16:00:26,238 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 16:00:26,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2024-11-07 16:00:26,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 977. [2024-11-07 16:00:26,256 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 16:00:26,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1375 transitions. [2024-11-07 16:00:26,260 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1375 transitions. Word has length 240 [2024-11-07 16:00:26,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:00:26,261 INFO L471 AbstractCegarLoop]: Abstraction has 977 states and 1375 transitions. [2024-11-07 16:00:26,261 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 16:00:26,261 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1375 transitions. [2024-11-07 16:00:26,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2024-11-07 16:00:26,264 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:00:26,264 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 16:00:26,285 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-07 16:00:26,465 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 16:00:26,465 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 16:00:26,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:00:26,466 INFO L85 PathProgramCache]: Analyzing trace with hash 1716534699, now seen corresponding path program 1 times [2024-11-07 16:00:26,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 16:00:26,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917334373] [2024-11-07 16:00:26,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:00:26,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 16:00:26,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:00:26,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 16:00:26,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:00:26,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 16:00:26,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:00:26,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-07 16:00:26,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:00:26,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-07 16:00:26,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:00:26,891 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 16:00:26,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 16:00:26,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917334373] [2024-11-07 16:00:26,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917334373] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 16:00:26,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [298490985] [2024-11-07 16:00:26,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:00:26,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 16:00:26,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 16:00:26,894 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 16:00:26,896 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-07 16:00:27,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:00:27,472 INFO L255 TraceCheckSpWp]: Trace formula consists of 1201 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 16:00:27,480 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 16:00:27,539 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 16:00:27,540 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 16:00:27,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [298490985] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 16:00:27,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 16:00:27,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2024-11-07 16:00:27,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189280939] [2024-11-07 16:00:27,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 16:00:27,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 16:00:27,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 16:00:27,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 16:00:27,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-07 16:00:27,548 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 16:00:27,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:00:27,635 INFO L93 Difference]: Finished difference Result 949 states and 1333 transitions. [2024-11-07 16:00:27,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 16:00:27,636 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 16:00:27,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:00:27,641 INFO L225 Difference]: With dead ends: 949 [2024-11-07 16:00:27,642 INFO L226 Difference]: Without dead ends: 949 [2024-11-07 16:00:27,642 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 16:00:27,643 INFO L432 NwaCegarLoop]: 707 mSDtfsCounter, 88 mSDsluCounter, 2016 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 16:00:27,643 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 2723 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 16:00:27,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 949 states. [2024-11-07 16:00:27,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 949 to 949. [2024-11-07 16:00:27,666 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 16:00:27,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 949 states and 1333 transitions. [2024-11-07 16:00:27,671 INFO L78 Accepts]: Start accepts. Automaton has 949 states and 1333 transitions. Word has length 240 [2024-11-07 16:00:27,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:00:27,672 INFO L471 AbstractCegarLoop]: Abstraction has 949 states and 1333 transitions. [2024-11-07 16:00:27,672 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 16:00:27,672 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1333 transitions. [2024-11-07 16:00:27,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2024-11-07 16:00:27,675 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:00:27,676 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 16:00:27,697 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 16:00:27,876 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 16:00:27,877 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 16:00:27,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:00:27,878 INFO L85 PathProgramCache]: Analyzing trace with hash -826786723, now seen corresponding path program 1 times [2024-11-07 16:00:27,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 16:00:27,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145111018] [2024-11-07 16:00:27,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:00:27,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 16:00:28,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:00:28,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 16:00:28,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:00:28,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 16:00:28,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:00:28,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-07 16:00:28,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:00:28,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-07 16:00:28,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:00:28,243 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 16:00:28,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 16:00:28,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145111018] [2024-11-07 16:00:28,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145111018] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 16:00:28,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [276228339] [2024-11-07 16:00:28,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:00:28,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 16:00:28,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 16:00:28,246 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 16:00:28,248 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-07 16:00:28,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:00:28,806 INFO L255 TraceCheckSpWp]: Trace formula consists of 1173 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 16:00:28,811 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 16:00:28,855 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 16:00:28,856 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 16:00:28,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [276228339] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 16:00:28,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 16:00:28,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2024-11-07 16:00:28,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251301342] [2024-11-07 16:00:28,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 16:00:28,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 16:00:28,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 16:00:28,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 16:00:28,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-07 16:00:28,859 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 16:00:28,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:00:28,917 INFO L93 Difference]: Finished difference Result 841 states and 1161 transitions. [2024-11-07 16:00:28,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 16:00:28,918 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 16:00:28,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:00:28,922 INFO L225 Difference]: With dead ends: 841 [2024-11-07 16:00:28,922 INFO L226 Difference]: Without dead ends: 841 [2024-11-07 16:00:28,922 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 16:00:28,924 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 16:00:28,924 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 16:00:28,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 841 states. [2024-11-07 16:00:28,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 841 to 841. [2024-11-07 16:00:28,942 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 16:00:28,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 841 states and 1161 transitions. [2024-11-07 16:00:28,946 INFO L78 Accepts]: Start accepts. Automaton has 841 states and 1161 transitions. Word has length 240 [2024-11-07 16:00:28,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:00:28,946 INFO L471 AbstractCegarLoop]: Abstraction has 841 states and 1161 transitions. [2024-11-07 16:00:28,947 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 16:00:28,947 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1161 transitions. [2024-11-07 16:00:28,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2024-11-07 16:00:28,950 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:00:28,950 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 16:00:28,972 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-07 16:00:29,151 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 16:00:29,151 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 16:00:29,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:00:29,152 INFO L85 PathProgramCache]: Analyzing trace with hash 545020575, now seen corresponding path program 1 times [2024-11-07 16:00:29,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 16:00:29,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957225190] [2024-11-07 16:00:29,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:00:29,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 16:00:29,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:00:29,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 16:00:29,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:00:29,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 16:00:29,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:00:29,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-07 16:00:29,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:00:29,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-07 16:00:29,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:00:29,485 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 16:00:29,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 16:00:29,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957225190] [2024-11-07 16:00:29,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957225190] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 16:00:29,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1792060725] [2024-11-07 16:00:29,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:00:29,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 16:00:29,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 16:00:29,488 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 16:00:29,490 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 16:00:30,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:00:30,066 INFO L255 TraceCheckSpWp]: Trace formula consists of 1177 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 16:00:30,071 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 16:00:30,289 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 16:00:30,289 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 16:00:30,533 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 16:00:30,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1792060725] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 16:00:30,534 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 16:00:30,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 8 [2024-11-07 16:00:30,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995054860] [2024-11-07 16:00:30,534 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 16:00:30,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 16:00:30,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 16:00:30,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 16:00:30,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-07 16:00:30,537 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 16:00:31,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:00:31,273 INFO L93 Difference]: Finished difference Result 1930 states and 2693 transitions. [2024-11-07 16:00:31,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 16:00:31,274 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 16:00:31,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:00:31,282 INFO L225 Difference]: With dead ends: 1930 [2024-11-07 16:00:31,282 INFO L226 Difference]: Without dead ends: 1930 [2024-11-07 16:00:31,283 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 16:00:31,283 INFO L432 NwaCegarLoop]: 678 mSDtfsCounter, 2403 mSDsluCounter, 2525 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 16:00:31,283 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2450 Valid, 3203 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 16:00:31,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1930 states. [2024-11-07 16:00:31,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1930 to 1712. [2024-11-07 16:00:31,328 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 16:00:31,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1712 states to 1712 states and 2366 transitions. [2024-11-07 16:00:31,335 INFO L78 Accepts]: Start accepts. Automaton has 1712 states and 2366 transitions. Word has length 240 [2024-11-07 16:00:31,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:00:31,336 INFO L471 AbstractCegarLoop]: Abstraction has 1712 states and 2366 transitions. [2024-11-07 16:00:31,336 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 16:00:31,336 INFO L276 IsEmpty]: Start isEmpty. Operand 1712 states and 2366 transitions. [2024-11-07 16:00:31,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 679 [2024-11-07 16:00:31,352 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:00:31,353 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 16:00:31,375 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 16:00:31,556 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 16:00:31,557 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 16:00:31,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:00:31,557 INFO L85 PathProgramCache]: Analyzing trace with hash 1556986692, now seen corresponding path program 1 times [2024-11-07 16:00:31,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 16:00:31,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999038839] [2024-11-07 16:00:31,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:00:31,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 16:00:31,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:00:32,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 16:00:32,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:00:32,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 16:00:32,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:00:32,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-07 16:00:32,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:00:32,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-07 16:00:32,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:00:32,934 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 16:00:32,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 16:00:32,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999038839] [2024-11-07 16:00:32,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999038839] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 16:00:32,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [547367827] [2024-11-07 16:00:32,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:00:32,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 16:00:32,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 16:00:32,938 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 16:00:32,943 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 16:00:34,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:00:34,083 INFO L255 TraceCheckSpWp]: Trace formula consists of 3232 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-07 16:00:34,095 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 16:00:34,769 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 16:00:34,770 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 16:00:35,516 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 16:00:35,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [547367827] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 16:00:35,517 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 16:00:35,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 17 [2024-11-07 16:00:35,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213682944] [2024-11-07 16:00:35,517 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 16:00:35,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-07 16:00:35,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 16:00:35,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-07 16:00:35,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2024-11-07 16:00:35,522 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 16:00:42,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:00:42,024 INFO L93 Difference]: Finished difference Result 13569 states and 18906 transitions. [2024-11-07 16:00:42,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-11-07 16:00:42,026 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 16:00:42,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:00:42,074 INFO L225 Difference]: With dead ends: 13569 [2024-11-07 16:00:42,074 INFO L226 Difference]: Without dead ends: 13569 [2024-11-07 16:00:42,075 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 16:00:42,076 INFO L432 NwaCegarLoop]: 1370 mSDtfsCounter, 35291 mSDsluCounter, 13511 mSDsCounter, 0 mSdLazyCounter, 2586 mSolverCounterSat, 721 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s 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, 5.1s IncrementalHoareTripleChecker+Time [2024-11-07 16:00:42,076 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35291 Valid, 14881 Invalid, 3307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [721 Valid, 2586 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2024-11-07 16:00:42,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13569 states. [2024-11-07 16:00:42,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13569 to 10334. [2024-11-07 16:00:42,296 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 16:00:42,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10334 states to 10334 states and 14309 transitions. [2024-11-07 16:00:42,315 INFO L78 Accepts]: Start accepts. Automaton has 10334 states and 14309 transitions. Word has length 678 [2024-11-07 16:00:42,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:00:42,316 INFO L471 AbstractCegarLoop]: Abstraction has 10334 states and 14309 transitions. [2024-11-07 16:00:42,318 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 16:00:42,320 INFO L276 IsEmpty]: Start isEmpty. Operand 10334 states and 14309 transitions. [2024-11-07 16:00:42,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1565 [2024-11-07 16:00:42,403 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:00:42,403 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 16:00:42,430 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-07 16:00:42,607 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 16:00:42,608 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 16:00:42,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:00:42,608 INFO L85 PathProgramCache]: Analyzing trace with hash 313254882, now seen corresponding path program 1 times [2024-11-07 16:00:42,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 16:00:42,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481136213] [2024-11-07 16:00:42,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:00:42,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms