./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_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_JEN_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', '3a97724240a87192496d8328468f54cf5b25ba6881d4dae32505036169c4a273'] 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_JEN_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 3a97724240a87192496d8328468f54cf5b25ba6881d4dae32505036169c4a273 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 16:03:18,553 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 16:03:18,613 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2024-11-07 16:03:18,618 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 16:03:18,618 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 16:03:18,641 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 16:03:18,641 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 16:03:18,641 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 16:03:18,642 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 16:03:18,642 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 16:03:18,642 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 16:03:18,642 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 16:03:18,642 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 16:03:18,643 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 16:03:18,643 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 16:03:18,644 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 16:03:18,644 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 16:03:18,644 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 16:03:18,645 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 16:03:18,645 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 16:03:18,645 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 16:03:18,645 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 16:03:18,645 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-07 16:03:18,645 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-07 16:03:18,645 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 16:03:18,645 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 16:03:18,645 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-07 16:03:18,645 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 16:03:18,645 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 16:03:18,645 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 16:03:18,645 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 16:03:18,646 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 16:03:18,646 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 16:03:18,646 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 16:03:18,646 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 16:03:18,646 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 16:03:18,646 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 16:03:18,646 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 16:03:18,646 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 16:03:18,646 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 16:03:18,646 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 16:03:18,646 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 16:03:18,646 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 16:03:18,646 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 16:03:18,646 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 16:03:18,646 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 -> 3a97724240a87192496d8328468f54cf5b25ba6881d4dae32505036169c4a273 [2024-11-07 16:03:18,870 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 16:03:18,878 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 16:03:18,881 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 16:03:18,882 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 16:03:18,882 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 16:03:18,884 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-1.i [2024-11-07 16:03:19,986 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 16:03:20,259 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 16:03:20,260 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-1.i [2024-11-07 16:03:20,281 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/08dc29b53/42d742b2a4b24a6a87c7744fd2269045/FLAG59635b1bf [2024-11-07 16:03:20,295 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/08dc29b53/42d742b2a4b24a6a87c7744fd2269045 [2024-11-07 16:03:20,296 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 16:03:20,297 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 16:03:20,299 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 16:03:20,299 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 16:03:20,302 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 16:03:20,302 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:03:20" (1/1) ... [2024-11-07 16:03:20,303 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cb0e04b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:03:20, skipping insertion in model container [2024-11-07 16:03:20,303 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:03:20" (1/1) ... [2024-11-07 16:03:20,339 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 16:03:20,605 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 16:03:20,627 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 16:03:20,630 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 16:03:20,632 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 16:03:20,635 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 16:03:20,656 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 16:03:20,657 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 16:03:20,658 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 16:03:20,661 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 16:03:20,684 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 16:03:20,684 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 16:03:20,685 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 16:03:20,685 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 16:03:20,691 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 16:03:20,701 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 16:03:20,781 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 16:03:20,809 INFO L204 MainTranslator]: Completed translation [2024-11-07 16:03:20,809 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:03:20 WrapperNode [2024-11-07 16:03:20,810 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 16:03:20,810 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 16:03:20,810 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 16:03:20,810 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 16:03:20,814 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:03:20" (1/1) ... [2024-11-07 16:03:20,837 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:03:20" (1/1) ... [2024-11-07 16:03:20,907 INFO L138 Inliner]: procedures = 177, calls = 375, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2036 [2024-11-07 16:03:20,907 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 16:03:20,907 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 16:03:20,908 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 16:03:20,908 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 16:03:20,913 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:03:20" (1/1) ... [2024-11-07 16:03:20,913 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:03:20" (1/1) ... [2024-11-07 16:03:20,928 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:03:20" (1/1) ... [2024-11-07 16:03:20,999 INFO L175 MemorySlicer]: Split 349 memory accesses to 3 slices as follows [2, 24, 323]. 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, 1, 82]. [2024-11-07 16:03:21,000 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:03:20" (1/1) ... [2024-11-07 16:03:21,000 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:03:20" (1/1) ... [2024-11-07 16:03:21,045 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:03:20" (1/1) ... [2024-11-07 16:03:21,062 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:03:20" (1/1) ... [2024-11-07 16:03:21,070 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:03:20" (1/1) ... [2024-11-07 16:03:21,077 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:03:20" (1/1) ... [2024-11-07 16:03:21,089 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 16:03:21,090 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 16:03:21,090 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 16:03:21,090 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 16:03:21,091 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:03:20" (1/1) ... [2024-11-07 16:03:21,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 16:03:21,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 16:03:21,116 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 16:03:21,120 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 16:03:21,133 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-07 16:03:21,133 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-07 16:03:21,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 16:03:21,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 16:03:21,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 16:03:21,133 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 16:03:21,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 16:03:21,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 16:03:21,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 16:03:21,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 16:03:21,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-07 16:03:21,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-07 16:03:21,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-07 16:03:21,134 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-07 16:03:21,134 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-07 16:03:21,134 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-07 16:03:21,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 16:03:21,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 16:03:21,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 16:03:21,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 16:03:21,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 16:03:21,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 16:03:21,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 16:03:21,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 16:03:21,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 16:03:21,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 16:03:21,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 16:03:21,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 16:03:21,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 16:03:21,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 16:03:21,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 16:03:21,297 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 16:03:21,298 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 16:03:22,745 INFO L? ?]: Removed 485 outVars from TransFormulas that were not future-live. [2024-11-07 16:03:22,745 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 16:03:22,765 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 16:03:22,765 INFO L316 CfgBuilder]: Removed 83 assume(true) statements. [2024-11-07 16:03:22,765 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:03:22 BoogieIcfgContainer [2024-11-07 16:03:22,765 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 16:03:22,771 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 16:03:22,771 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 16:03:22,775 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 16:03:22,775 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:03:20" (1/3) ... [2024-11-07 16:03:22,776 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73bd164c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:03:22, skipping insertion in model container [2024-11-07 16:03:22,776 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:03:20" (2/3) ... [2024-11-07 16:03:22,776 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73bd164c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:03:22, skipping insertion in model container [2024-11-07 16:03:22,777 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:03:22" (3/3) ... [2024-11-07 16:03:22,777 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test5-1.i [2024-11-07 16:03:22,788 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 16:03:22,788 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-07 16:03:22,827 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 16:03:22,836 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;@4db0779f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 16:03:22,836 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-07 16:03:22,840 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 16:03:22,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-07 16:03:22,847 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:03:22,847 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-07 16:03:22,848 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 16:03:22,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:03:22,851 INFO L85 PathProgramCache]: Analyzing trace with hash 2051748014, now seen corresponding path program 1 times [2024-11-07 16:03:22,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 16:03:22,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319693249] [2024-11-07 16:03:22,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:03:22,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 16:03:22,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:03:22,995 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 16:03:22,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 16:03:22,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319693249] [2024-11-07 16:03:22,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319693249] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 16:03:22,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 16:03:22,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 16:03:23,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403854736] [2024-11-07 16:03:23,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 16:03:23,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 16:03:23,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 16:03:23,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 16:03:23,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 16:03:23,022 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 16:03:23,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:03:23,138 INFO L93 Difference]: Finished difference Result 1122 states and 1642 transitions. [2024-11-07 16:03:23,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 16:03:23,141 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 16:03:23,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:03:23,154 INFO L225 Difference]: With dead ends: 1122 [2024-11-07 16:03:23,154 INFO L226 Difference]: Without dead ends: 1120 [2024-11-07 16:03:23,155 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 16:03:23,159 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 16:03:23,159 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 16:03:23,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2024-11-07 16:03:23,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 571. [2024-11-07 16:03:23,236 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 16:03:23,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 831 transitions. [2024-11-07 16:03:23,243 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 831 transitions. Word has length 7 [2024-11-07 16:03:23,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:03:23,243 INFO L471 AbstractCegarLoop]: Abstraction has 571 states and 831 transitions. [2024-11-07 16:03:23,243 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 16:03:23,243 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 831 transitions. [2024-11-07 16:03:23,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-11-07 16:03:23,254 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:03:23,254 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 16:03:23,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 16:03:23,255 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 16:03:23,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:03:23,256 INFO L85 PathProgramCache]: Analyzing trace with hash -897687887, now seen corresponding path program 1 times [2024-11-07 16:03:23,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 16:03:23,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72169142] [2024-11-07 16:03:23,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:03:23,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 16:03:23,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:03:23,858 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 16:03:23,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 16:03:23,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72169142] [2024-11-07 16:03:23,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72169142] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 16:03:23,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 16:03:23,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 16:03:23,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805557313] [2024-11-07 16:03:23,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 16:03:23,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 16:03:23,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 16:03:23,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 16:03:23,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 16:03:23,862 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 16:03:23,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:03:23,935 INFO L93 Difference]: Finished difference Result 574 states and 827 transitions. [2024-11-07 16:03:23,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 16:03:23,936 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 16:03:23,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:03:23,938 INFO L225 Difference]: With dead ends: 574 [2024-11-07 16:03:23,938 INFO L226 Difference]: Without dead ends: 574 [2024-11-07 16:03:23,939 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 16:03:23,940 INFO L432 NwaCegarLoop]: 801 mSDtfsCounter, 105 mSDsluCounter, 1509 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 2310 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 16:03:23,940 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 16:03:23,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2024-11-07 16:03:23,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 571. [2024-11-07 16:03:23,957 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 16:03:23,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 824 transitions. [2024-11-07 16:03:23,962 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 824 transitions. Word has length 210 [2024-11-07 16:03:23,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:03:23,962 INFO L471 AbstractCegarLoop]: Abstraction has 571 states and 824 transitions. [2024-11-07 16:03:23,962 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 16:03:23,963 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 824 transitions. [2024-11-07 16:03:23,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-11-07 16:03:23,965 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:03:23,966 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 16:03:23,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 16:03:23,966 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 16:03:23,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:03:23,966 INFO L85 PathProgramCache]: Analyzing trace with hash -1975652059, now seen corresponding path program 1 times [2024-11-07 16:03:23,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 16:03:23,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688953874] [2024-11-07 16:03:23,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:03:23,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 16:03:24,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:03:24,220 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 16:03:24,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 16:03:24,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688953874] [2024-11-07 16:03:24,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688953874] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 16:03:24,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 16:03:24,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 16:03:24,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759347084] [2024-11-07 16:03:24,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 16:03:24,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 16:03:24,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 16:03:24,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 16:03:24,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 16:03:24,224 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 16:03:24,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:03:24,265 INFO L93 Difference]: Finished difference Result 700 states and 1012 transitions. [2024-11-07 16:03:24,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 16:03:24,267 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 16:03:24,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:03:24,269 INFO L225 Difference]: With dead ends: 700 [2024-11-07 16:03:24,269 INFO L226 Difference]: Without dead ends: 700 [2024-11-07 16:03:24,270 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 16:03:24,270 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 16:03:24,272 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 16:03:24,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 700 states. [2024-11-07 16:03:24,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 700 to 700. [2024-11-07 16:03:24,288 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 16:03:24,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 700 states and 1012 transitions. [2024-11-07 16:03:24,291 INFO L78 Accepts]: Start accepts. Automaton has 700 states and 1012 transitions. Word has length 210 [2024-11-07 16:03:24,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:03:24,292 INFO L471 AbstractCegarLoop]: Abstraction has 700 states and 1012 transitions. [2024-11-07 16:03:24,292 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 16:03:24,292 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 1012 transitions. [2024-11-07 16:03:24,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-11-07 16:03:24,294 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:03:24,294 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 16:03:24,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 16:03:24,295 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 16:03:24,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:03:24,295 INFO L85 PathProgramCache]: Analyzing trace with hash -902650523, now seen corresponding path program 1 times [2024-11-07 16:03:24,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 16:03:24,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103888587] [2024-11-07 16:03:24,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:03:24,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 16:03:24,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:03:24,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 16:03:24,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:03:24,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 16:03:24,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:03:24,716 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 16:03:24,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 16:03:24,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103888587] [2024-11-07 16:03:24,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103888587] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 16:03:24,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 16:03:24,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 16:03:24,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135509280] [2024-11-07 16:03:24,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 16:03:24,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 16:03:24,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 16:03:24,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 16:03:24,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-07 16:03:24,719 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 16:03:25,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:03:25,810 INFO L93 Difference]: Finished difference Result 661 states and 944 transitions. [2024-11-07 16:03:25,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 16:03:25,810 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 16:03:25,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:03:25,813 INFO L225 Difference]: With dead ends: 661 [2024-11-07 16:03:25,814 INFO L226 Difference]: Without dead ends: 661 [2024-11-07 16:03:25,814 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 16:03:25,816 INFO L432 NwaCegarLoop]: 709 mSDtfsCounter, 51 mSDsluCounter, 1994 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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, 1.1s IncrementalHoareTripleChecker+Time [2024-11-07 16:03:25,817 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 2703 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-07 16:03:25,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2024-11-07 16:03:25,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 658. [2024-11-07 16:03:25,832 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 16:03:25,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 658 states and 935 transitions. [2024-11-07 16:03:25,835 INFO L78 Accepts]: Start accepts. Automaton has 658 states and 935 transitions. Word has length 225 [2024-11-07 16:03:25,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:03:25,835 INFO L471 AbstractCegarLoop]: Abstraction has 658 states and 935 transitions. [2024-11-07 16:03:25,835 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 16:03:25,835 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 935 transitions. [2024-11-07 16:03:25,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-11-07 16:03:25,840 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:03:25,840 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 16:03:25,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 16:03:25,840 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 16:03:25,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:03:25,841 INFO L85 PathProgramCache]: Analyzing trace with hash -361882249, now seen corresponding path program 1 times [2024-11-07 16:03:25,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 16:03:25,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686018469] [2024-11-07 16:03:25,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:03:25,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 16:03:25,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:03:26,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 16:03:26,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:03:26,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 16:03:26,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:03:26,108 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 16:03:26,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 16:03:26,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686018469] [2024-11-07 16:03:26,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686018469] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 16:03:26,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 16:03:26,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 16:03:26,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199801224] [2024-11-07 16:03:26,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 16:03:26,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 16:03:26,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 16:03:26,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 16:03:26,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 16:03:26,111 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 16:03:26,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:03:26,464 INFO L93 Difference]: Finished difference Result 655 states and 934 transitions. [2024-11-07 16:03:26,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 16:03:26,464 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 16:03:26,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:03:26,467 INFO L225 Difference]: With dead ends: 655 [2024-11-07 16:03:26,467 INFO L226 Difference]: Without dead ends: 655 [2024-11-07 16:03:26,467 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 16:03:26,467 INFO L432 NwaCegarLoop]: 711 mSDtfsCounter, 19 mSDsluCounter, 1999 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 16:03:26,467 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 2710 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 16:03:26,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 655 states. [2024-11-07 16:03:26,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 655 to 652. [2024-11-07 16:03:26,476 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 16:03:26,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 925 transitions. [2024-11-07 16:03:26,478 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 925 transitions. Word has length 225 [2024-11-07 16:03:26,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:03:26,479 INFO L471 AbstractCegarLoop]: Abstraction has 652 states and 925 transitions. [2024-11-07 16:03:26,479 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 16:03:26,479 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 925 transitions. [2024-11-07 16:03:26,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-11-07 16:03:26,481 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:03:26,481 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 16:03:26,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 16:03:26,481 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 16:03:26,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:03:26,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1332011921, now seen corresponding path program 1 times [2024-11-07 16:03:26,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 16:03:26,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271869068] [2024-11-07 16:03:26,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:03:26,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 16:03:26,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:03:26,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 16:03:26,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:03:26,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 16:03:26,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:03:26,741 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 16:03:26,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 16:03:26,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271869068] [2024-11-07 16:03:26,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271869068] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 16:03:26,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 16:03:26,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 16:03:26,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170775133] [2024-11-07 16:03:26,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 16:03:26,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 16:03:26,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 16:03:26,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 16:03:26,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 16:03:26,743 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 16:03:27,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:03:27,044 INFO L93 Difference]: Finished difference Result 944 states and 1350 transitions. [2024-11-07 16:03:27,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 16:03:27,045 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 16:03:27,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:03:27,048 INFO L225 Difference]: With dead ends: 944 [2024-11-07 16:03:27,048 INFO L226 Difference]: Without dead ends: 944 [2024-11-07 16:03:27,048 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 16:03:27,050 INFO L432 NwaCegarLoop]: 921 mSDtfsCounter, 463 mSDsluCounter, 1519 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 470 SdHoareTripleChecker+Valid, 2440 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 16:03:27,050 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [470 Valid, 2440 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 16:03:27,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 944 states. [2024-11-07 16:03:27,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 944 to 937. [2024-11-07 16:03:27,084 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 16:03:27,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 937 states and 1335 transitions. [2024-11-07 16:03:27,088 INFO L78 Accepts]: Start accepts. Automaton has 937 states and 1335 transitions. Word has length 225 [2024-11-07 16:03:27,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:03:27,089 INFO L471 AbstractCegarLoop]: Abstraction has 937 states and 1335 transitions. [2024-11-07 16:03:27,089 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 16:03:27,089 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 1335 transitions. [2024-11-07 16:03:27,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2024-11-07 16:03:27,091 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:03:27,091 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 16:03:27,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 16:03:27,092 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 16:03:27,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:03:27,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1977203561, now seen corresponding path program 1 times [2024-11-07 16:03:27,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 16:03:27,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297734292] [2024-11-07 16:03:27,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:03:27,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 16:03:27,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:03:27,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 16:03:27,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:03:27,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 16:03:27,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:03:27,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-07 16:03:27,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:03:27,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-07 16:03:27,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:03:27,420 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 16:03:27,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 16:03:27,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297734292] [2024-11-07 16:03:27,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297734292] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 16:03:27,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [5472355] [2024-11-07 16:03:27,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:03:27,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 16:03:27,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 16:03:27,422 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 16:03:27,424 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 16:03:27,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:03:27,822 INFO L255 TraceCheckSpWp]: Trace formula consists of 1197 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 16:03:27,829 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 16:03:27,859 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 16:03:27,861 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 16:03:27,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [5472355] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 16:03:27,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 16:03:27,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2024-11-07 16:03:27,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659293282] [2024-11-07 16:03:27,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 16:03:27,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 16:03:27,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 16:03:27,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 16:03:27,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 16:03:27,863 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 16:03:27,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:03:27,924 INFO L93 Difference]: Finished difference Result 977 states and 1375 transitions. [2024-11-07 16:03:27,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 16:03:27,924 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 16:03:27,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:03:27,928 INFO L225 Difference]: With dead ends: 977 [2024-11-07 16:03:27,928 INFO L226 Difference]: Without dead ends: 977 [2024-11-07 16:03:27,929 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 16:03:27,929 INFO L432 NwaCegarLoop]: 717 mSDtfsCounter, 7 mSDsluCounter, 700 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 16:03:27,929 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 1417 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 16:03:27,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2024-11-07 16:03:27,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 977. [2024-11-07 16:03:27,946 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 16:03:27,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1375 transitions. [2024-11-07 16:03:27,949 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1375 transitions. Word has length 240 [2024-11-07 16:03:27,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:03:27,950 INFO L471 AbstractCegarLoop]: Abstraction has 977 states and 1375 transitions. [2024-11-07 16:03:27,951 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 16:03:27,952 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1375 transitions. [2024-11-07 16:03:27,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2024-11-07 16:03:27,954 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:03:27,954 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 16:03:27,970 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-07 16:03:28,155 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 16:03:28,155 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 16:03:28,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:03:28,156 INFO L85 PathProgramCache]: Analyzing trace with hash -945956437, now seen corresponding path program 1 times [2024-11-07 16:03:28,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 16:03:28,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220432832] [2024-11-07 16:03:28,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:03:28,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 16:03:28,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:03:28,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 16:03:28,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:03:28,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 16:03:28,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:03:28,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-07 16:03:28,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:03:28,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-07 16:03:28,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:03:28,436 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 16:03:28,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 16:03:28,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220432832] [2024-11-07 16:03:28,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220432832] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 16:03:28,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [339081064] [2024-11-07 16:03:28,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:03:28,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 16:03:28,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 16:03:28,438 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 16:03:28,439 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 16:03:28,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:03:28,868 INFO L255 TraceCheckSpWp]: Trace formula consists of 1201 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 16:03:28,873 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 16:03:28,915 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 16:03:28,915 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 16:03:28,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [339081064] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 16:03:28,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 16:03:28,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2024-11-07 16:03:28,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544290562] [2024-11-07 16:03:28,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 16:03:28,915 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 16:03:28,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 16:03:28,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 16:03:28,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-07 16:03:28,917 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 16:03:28,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:03:28,979 INFO L93 Difference]: Finished difference Result 949 states and 1333 transitions. [2024-11-07 16:03:28,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 16:03:28,979 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 16:03:28,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:03:28,982 INFO L225 Difference]: With dead ends: 949 [2024-11-07 16:03:28,982 INFO L226 Difference]: Without dead ends: 949 [2024-11-07 16:03:28,982 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 16:03:28,983 INFO L432 NwaCegarLoop]: 707 mSDtfsCounter, 88 mSDsluCounter, 2016 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 2723 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 16:03:28,983 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 2723 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 16:03:28,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 949 states. [2024-11-07 16:03:28,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 949 to 949. [2024-11-07 16:03:28,995 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 16:03:28,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 949 states and 1333 transitions. [2024-11-07 16:03:28,998 INFO L78 Accepts]: Start accepts. Automaton has 949 states and 1333 transitions. Word has length 240 [2024-11-07 16:03:28,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:03:28,998 INFO L471 AbstractCegarLoop]: Abstraction has 949 states and 1333 transitions. [2024-11-07 16:03:28,998 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 16:03:28,998 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1333 transitions. [2024-11-07 16:03:29,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2024-11-07 16:03:29,000 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:03:29,000 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 16:03:29,016 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 16:03:29,201 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 16:03:29,201 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 16:03:29,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:03:29,201 INFO L85 PathProgramCache]: Analyzing trace with hash 805689437, now seen corresponding path program 1 times [2024-11-07 16:03:29,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 16:03:29,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163054053] [2024-11-07 16:03:29,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:03:29,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 16:03:29,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:03:29,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 16:03:29,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:03:29,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 16:03:29,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:03:29,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-07 16:03:29,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:03:29,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-07 16:03:29,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:03:29,485 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 16:03:29,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 16:03:29,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163054053] [2024-11-07 16:03:29,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163054053] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 16:03:29,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1084338362] [2024-11-07 16:03:29,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:03:29,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 16:03:29,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 16:03:29,487 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 16:03:29,488 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 16:03:29,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:03:29,901 INFO L255 TraceCheckSpWp]: Trace formula consists of 1173 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 16:03:29,922 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 16:03:29,965 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 16:03:29,967 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 16:03:29,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1084338362] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 16:03:29,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 16:03:29,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2024-11-07 16:03:29,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89068682] [2024-11-07 16:03:29,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 16:03:29,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 16:03:29,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 16:03:29,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 16:03:29,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-07 16:03:29,969 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 16:03:30,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:03:30,016 INFO L93 Difference]: Finished difference Result 841 states and 1161 transitions. [2024-11-07 16:03:30,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 16:03:30,017 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 16:03:30,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:03:30,020 INFO L225 Difference]: With dead ends: 841 [2024-11-07 16:03:30,020 INFO L226 Difference]: Without dead ends: 841 [2024-11-07 16:03:30,020 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 16:03:30,021 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 16:03:30,021 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 16:03:30,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 841 states. [2024-11-07 16:03:30,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 841 to 841. [2024-11-07 16:03:30,034 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 16:03:30,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 841 states and 1161 transitions. [2024-11-07 16:03:30,037 INFO L78 Accepts]: Start accepts. Automaton has 841 states and 1161 transitions. Word has length 240 [2024-11-07 16:03:30,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:03:30,037 INFO L471 AbstractCegarLoop]: Abstraction has 841 states and 1161 transitions. [2024-11-07 16:03:30,037 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 16:03:30,038 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1161 transitions. [2024-11-07 16:03:30,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2024-11-07 16:03:30,040 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:03:30,040 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 16:03:30,056 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-07 16:03:30,240 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 16:03:30,241 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 16:03:30,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:03:30,241 INFO L85 PathProgramCache]: Analyzing trace with hash -2117470561, now seen corresponding path program 1 times [2024-11-07 16:03:30,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 16:03:30,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938723964] [2024-11-07 16:03:30,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:03:30,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 16:03:30,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:03:30,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 16:03:30,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:03:30,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 16:03:30,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:03:30,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-07 16:03:30,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:03:30,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-07 16:03:30,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:03:30,459 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 16:03:30,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 16:03:30,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938723964] [2024-11-07 16:03:30,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938723964] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 16:03:30,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [985182939] [2024-11-07 16:03:30,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:03:30,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 16:03:30,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 16:03:30,462 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 16:03:30,464 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 16:03:30,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:03:30,889 INFO L255 TraceCheckSpWp]: Trace formula consists of 1177 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 16:03:30,893 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 16:03:31,052 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 16:03:31,052 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 16:03:31,240 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 16:03:31,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [985182939] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 16:03:31,241 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 16:03:31,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 8 [2024-11-07 16:03:31,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077314715] [2024-11-07 16:03:31,241 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 16:03:31,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 16:03:31,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 16:03:31,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 16:03:31,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-07 16:03:31,243 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 16:03:31,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:03:31,625 INFO L93 Difference]: Finished difference Result 1930 states and 2693 transitions. [2024-11-07 16:03:31,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 16:03:31,626 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 16:03:31,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:03:31,634 INFO L225 Difference]: With dead ends: 1930 [2024-11-07 16:03:31,634 INFO L226 Difference]: Without dead ends: 1930 [2024-11-07 16:03:31,635 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 16:03:31,636 INFO L432 NwaCegarLoop]: 678 mSDtfsCounter, 2403 mSDsluCounter, 2525 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 16:03:31,636 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2450 Valid, 3203 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 16:03:31,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1930 states. [2024-11-07 16:03:31,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1930 to 1712. [2024-11-07 16:03:31,665 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 16:03:31,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1712 states to 1712 states and 2366 transitions. [2024-11-07 16:03:31,670 INFO L78 Accepts]: Start accepts. Automaton has 1712 states and 2366 transitions. Word has length 240 [2024-11-07 16:03:31,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:03:31,671 INFO L471 AbstractCegarLoop]: Abstraction has 1712 states and 2366 transitions. [2024-11-07 16:03:31,672 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 16:03:31,672 INFO L276 IsEmpty]: Start isEmpty. Operand 1712 states and 2366 transitions. [2024-11-07 16:03:31,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 679 [2024-11-07 16:03:31,683 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:03:31,683 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 16:03:31,700 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 16:03:31,887 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 16:03:31,889 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 16:03:31,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:03:31,889 INFO L85 PathProgramCache]: Analyzing trace with hash 353261380, now seen corresponding path program 1 times [2024-11-07 16:03:31,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 16:03:31,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444611839] [2024-11-07 16:03:31,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:03:31,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 16:03:32,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:03:32,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 16:03:32,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:03:32,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 16:03:32,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:03:32,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-07 16:03:32,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:03:32,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-07 16:03:32,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:03:32,943 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 16:03:32,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 16:03:32,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444611839] [2024-11-07 16:03:32,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444611839] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 16:03:32,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [668477871] [2024-11-07 16:03:32,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:03:32,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 16:03:32,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 16:03:32,945 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 16:03:32,946 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 16:03:33,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 16:03:33,764 INFO L255 TraceCheckSpWp]: Trace formula consists of 3232 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-07 16:03:33,774 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 16:03:34,295 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 16:03:34,296 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 16:03:34,868 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 16:03:34,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [668477871] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 16:03:34,868 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 16:03:34,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 17 [2024-11-07 16:03:34,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970442413] [2024-11-07 16:03:34,869 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 16:03:34,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-07 16:03:34,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 16:03:34,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-07 16:03:34,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2024-11-07 16:03:34,872 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 16:03:40,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 16:03:40,781 INFO L93 Difference]: Finished difference Result 13569 states and 18906 transitions. [2024-11-07 16:03:40,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-11-07 16:03:40,782 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 16:03:40,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 16:03:40,818 INFO L225 Difference]: With dead ends: 13569 [2024-11-07 16:03:40,818 INFO L226 Difference]: Without dead ends: 13569 [2024-11-07 16:03:40,819 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1422 GetRequests, 1353 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1521 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=1242, Invalid=3728, Unknown=0, NotChecked=0, Total=4970 [2024-11-07 16:03:40,820 INFO L432 NwaCegarLoop]: 1370 mSDtfsCounter, 35291 mSDsluCounter, 13511 mSDsCounter, 0 mSdLazyCounter, 2586 mSolverCounterSat, 721 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35291 SdHoareTripleChecker+Valid, 14881 SdHoareTripleChecker+Invalid, 3307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 721 IncrementalHoareTripleChecker+Valid, 2586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-11-07 16:03:40,820 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35291 Valid, 14881 Invalid, 3307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [721 Valid, 2586 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2024-11-07 16:03:40,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13569 states. [2024-11-07 16:03:40,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13569 to 10334. [2024-11-07 16:03:40,976 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 16:03:40,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10334 states to 10334 states and 14309 transitions. [2024-11-07 16:03:40,994 INFO L78 Accepts]: Start accepts. Automaton has 10334 states and 14309 transitions. Word has length 678 [2024-11-07 16:03:40,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 16:03:40,995 INFO L471 AbstractCegarLoop]: Abstraction has 10334 states and 14309 transitions. [2024-11-07 16:03:40,998 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 16:03:40,998 INFO L276 IsEmpty]: Start isEmpty. Operand 10334 states and 14309 transitions. [2024-11-07 16:03:41,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1565 [2024-11-07 16:03:41,021 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 16:03:41,021 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 16:03:41,041 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-07 16:03:41,228 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 16:03:41,229 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 16:03:41,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 16:03:41,229 INFO L85 PathProgramCache]: Analyzing trace with hash 293568482, now seen corresponding path program 1 times [2024-11-07 16:03:41,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 16:03:41,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381525614] [2024-11-07 16:03:41,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 16:03:41,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms