./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) 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_test6-2.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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-free) )\nCHECK( init(main()), LTL(G valid-deref) )\nCHECK( init(main()), LTL(G valid-memtrack) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', '4a058bd9944921e52018f99044f11f694f824f3f09daf510330544b4558ba193'] 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_test6-2.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4a058bd9944921e52018f99044f11f694f824f3f09daf510330544b4558ba193 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 18:51:43,460 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 18:51:43,539 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-07 18:51:43,546 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 18:51:43,546 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 18:51:43,571 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 18:51:43,571 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 18:51:43,572 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 18:51:43,572 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 18:51:43,572 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 18:51:43,572 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 18:51:43,573 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 18:51:43,574 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 18:51:43,574 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 18:51:43,575 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 18:51:43,575 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 18:51:43,575 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 18:51:43,575 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 18:51:43,575 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 18:51:43,575 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 18:51:43,576 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-07 18:51:43,576 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-07 18:51:43,576 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-07 18:51:43,576 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 18:51:43,576 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-07 18:51:43,576 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 18:51:43,576 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 18:51:43,576 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 18:51:43,576 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 18:51:43,576 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 18:51:43,576 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 18:51:43,576 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 18:51:43,576 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 18:51:43,576 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 18:51:43,576 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 18:51:43,576 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 18:51:43,577 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 18:51:43,577 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 18:51:43,577 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 18:51:43,577 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 18:51:43,577 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 18:51:43,577 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 18:51:43,577 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-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 4a058bd9944921e52018f99044f11f694f824f3f09daf510330544b4558ba193 [2024-11-07 18:51:43,842 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 18:51:43,850 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 18:51:43,852 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 18:51:43,854 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 18:51:43,854 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 18:51:43,855 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-2.i [2024-11-07 18:51:45,181 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 18:51:45,551 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 18:51:45,552 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-2.i [2024-11-07 18:51:45,578 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/25d448331/97c07f0465044a3c9cd5517c2ab7dcd2/FLAGeef213e04 [2024-11-07 18:51:45,595 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/25d448331/97c07f0465044a3c9cd5517c2ab7dcd2 [2024-11-07 18:51:45,598 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 18:51:45,599 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 18:51:45,600 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 18:51:45,602 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 18:51:45,605 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 18:51:45,606 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:51:45" (1/1) ... [2024-11-07 18:51:45,607 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b3fbf1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:51:45, skipping insertion in model container [2024-11-07 18:51:45,608 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:51:45" (1/1) ... [2024-11-07 18:51:45,655 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 18:51:46,064 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 18:51:46,103 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 18:51:46,105 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 18:51:46,108 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 18:51:46,114 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 18:51:46,140 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 18:51:46,140 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 18:51:46,143 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 18:51:46,143 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 18:51:46,145 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 18:51:46,147 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 18:51:46,148 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 18:51:46,148 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 18:51:46,155 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 18:51:46,160 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 18:51:46,162 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 18:51:46,163 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 18:51:46,163 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 18:51:46,164 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 18:51:46,170 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 18:51:46,176 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 18:51:46,192 ERROR L321 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2024-11-07 18:51:46,192 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1373b48a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:51:46, skipping insertion in model container [2024-11-07 18:51:46,192 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 18:51:46,193 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-11-07 18:51:46,194 INFO L158 Benchmark]: Toolchain (without parser) took 594.74ms. Allocated memory is still 117.4MB. Free memory was 88.5MB in the beginning and 66.3MB in the end (delta: 22.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-07 18:51:46,194 INFO L158 Benchmark]: CDTParser took 0.78ms. Allocated memory is still 117.4MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 18:51:46,195 INFO L158 Benchmark]: CACSL2BoogieTranslator took 592.49ms. Allocated memory is still 117.4MB. Free memory was 88.3MB in the beginning and 66.3MB in the end (delta: 22.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-07 18:51:46,196 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.78ms. Allocated memory is still 117.4MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 592.49ms. Allocated memory is still 117.4MB. Free memory was 88.3MB in the beginning and 66.3MB in the end (delta: 22.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1001]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_test6-2.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.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-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4a058bd9944921e52018f99044f11f694f824f3f09daf510330544b4558ba193 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 18:51:48,120 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 18:51:48,207 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2024-11-07 18:51:48,217 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 18:51:48,217 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 18:51:48,235 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 18:51:48,236 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 18:51:48,236 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 18:51:48,238 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 18:51:48,238 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 18:51:48,238 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 18:51:48,238 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 18:51:48,239 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 18:51:48,239 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 18:51:48,239 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 18:51:48,239 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 18:51:48,239 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 18:51:48,240 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 18:51:48,240 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 18:51:48,241 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 18:51:48,241 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-07 18:51:48,241 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-07 18:51:48,241 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-07 18:51:48,241 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 18:51:48,241 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-07 18:51:48,241 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-07 18:51:48,241 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 18:51:48,241 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-07 18:51:48,241 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 18:51:48,242 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 18:51:48,242 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 18:51:48,242 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 18:51:48,242 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 18:51:48,242 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 18:51:48,242 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 18:51:48,243 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 18:51:48,243 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 18:51:48,243 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 18:51:48,244 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-07 18:51:48,244 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-07 18:51:48,244 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 18:51:48,244 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 18:51:48,244 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 18:51:48,244 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 18:51:48,245 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-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 4a058bd9944921e52018f99044f11f694f824f3f09daf510330544b4558ba193 [2024-11-07 18:51:48,542 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 18:51:48,550 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 18:51:48,552 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 18:51:48,554 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 18:51:48,555 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 18:51:48,556 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-2.i [2024-11-07 18:51:49,825 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 18:51:50,190 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 18:51:50,192 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test6-2.i [2024-11-07 18:51:50,214 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3282ad709/92a76875ab584834a4438ee96410f440/FLAG3d668fa24 [2024-11-07 18:51:50,230 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3282ad709/92a76875ab584834a4438ee96410f440 [2024-11-07 18:51:50,233 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 18:51:50,236 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 18:51:50,237 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 18:51:50,237 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 18:51:50,242 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 18:51:50,242 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:51:50" (1/1) ... [2024-11-07 18:51:50,243 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44c52fd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:51:50, skipping insertion in model container [2024-11-07 18:51:50,243 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:51:50" (1/1) ... [2024-11-07 18:51:50,290 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 18:51:50,687 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 18:51:50,722 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 18:51:50,725 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 18:51:50,728 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 18:51:50,735 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 18:51:50,765 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 18:51:50,766 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 18:51:50,768 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 18:51:50,768 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 18:51:50,772 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 18:51:50,774 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 18:51:50,774 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 18:51:50,775 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 18:51:50,781 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 18:51:50,782 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 18:51:50,784 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 18:51:50,789 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 18:51:50,790 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 18:51:50,790 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 18:51:50,794 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 18:51:50,802 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 18:51:50,817 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-07 18:51:50,836 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 18:51:50,881 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 18:51:50,893 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 18:51:50,896 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 18:51:50,898 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 18:51:50,903 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 18:51:50,921 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 18:51:50,922 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 18:51:50,923 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 18:51:50,924 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 18:51:50,929 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 18:51:50,929 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 18:51:50,930 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 18:51:50,930 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 18:51:50,935 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 18:51:50,936 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 18:51:50,937 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 18:51:50,940 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 18:51:50,940 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 18:51:50,941 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 18:51:50,943 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 18:51:50,946 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 18:51:50,953 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 18:51:51,061 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 18:51:51,116 INFO L204 MainTranslator]: Completed translation [2024-11-07 18:51:51,117 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:51:51 WrapperNode [2024-11-07 18:51:51,117 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 18:51:51,118 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 18:51:51,118 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 18:51:51,118 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 18:51:51,123 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:51:51" (1/1) ... [2024-11-07 18:51:51,157 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:51:51" (1/1) ... [2024-11-07 18:51:51,237 INFO L138 Inliner]: procedures = 286, calls = 353, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1243 [2024-11-07 18:51:51,238 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 18:51:51,238 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 18:51:51,238 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 18:51:51,238 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 18:51:51,246 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:51:51" (1/1) ... [2024-11-07 18:51:51,247 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:51:51" (1/1) ... [2024-11-07 18:51:51,263 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:51:51" (1/1) ... [2024-11-07 18:51:51,377 INFO L175 MemorySlicer]: Split 318 memory accesses to 4 slices as follows [2, 12, 270, 34]. 85 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 10, 0, 0]. The 62 writes are split as follows [0, 1, 57, 4]. [2024-11-07 18:51:51,381 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:51:51" (1/1) ... [2024-11-07 18:51:51,381 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:51:51" (1/1) ... [2024-11-07 18:51:51,453 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:51:51" (1/1) ... [2024-11-07 18:51:51,465 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:51:51" (1/1) ... [2024-11-07 18:51:51,478 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:51:51" (1/1) ... [2024-11-07 18:51:51,487 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:51:51" (1/1) ... [2024-11-07 18:51:51,503 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 18:51:51,506 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 18:51:51,506 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 18:51:51,507 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 18:51:51,508 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:51:51" (1/1) ... [2024-11-07 18:51:51,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 18:51:51,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 18:51:51,539 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 18:51:51,543 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 18:51:51,568 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-07 18:51:51,569 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-07 18:51:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-07 18:51:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-07 18:51:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-07 18:51:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-07 18:51:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-07 18:51:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-07 18:51:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-07 18:51:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-07 18:51:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 18:51:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 18:51:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 18:51:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 18:51:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-07 18:51:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 18:51:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-07 18:51:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-07 18:51:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-07 18:51:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-07 18:51:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-07 18:51:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-07 18:51:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-07 18:51:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-07 18:51:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-07 18:51:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-07 18:51:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-07 18:51:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-07 18:51:51,570 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2024-11-07 18:51:51,570 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2024-11-07 18:51:51,570 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 18:51:51,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 18:51:51,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 18:51:51,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 18:51:51,570 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2024-11-07 18:51:51,570 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2024-11-07 18:51:51,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 18:51:51,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 18:51:51,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 18:51:51,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 18:51:51,570 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2024-11-07 18:51:51,570 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2024-11-07 18:51:51,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 18:51:51,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 18:51:51,838 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 18:51:51,840 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 18:51:55,948 INFO L? ?]: Removed 1307 outVars from TransFormulas that were not future-live. [2024-11-07 18:51:55,948 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 18:51:55,988 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 18:51:55,988 INFO L316 CfgBuilder]: Removed 72 assume(true) statements. [2024-11-07 18:51:55,989 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:51:55 BoogieIcfgContainer [2024-11-07 18:51:55,992 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 18:51:55,994 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 18:51:55,994 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 18:51:55,998 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 18:51:55,998 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 06:51:50" (1/3) ... [2024-11-07 18:51:55,999 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8fba47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:51:55, skipping insertion in model container [2024-11-07 18:51:55,999 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:51:51" (2/3) ... [2024-11-07 18:51:55,999 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8fba47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:51:55, skipping insertion in model container [2024-11-07 18:51:56,000 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:51:55" (3/3) ... [2024-11-07 18:51:56,000 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test6-2.i [2024-11-07 18:51:56,014 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 18:51:56,014 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 625 error locations. [2024-11-07 18:51:56,071 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 18:51:56,081 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;@63882f30, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 18:51:56,081 INFO L334 AbstractCegarLoop]: Starting to check reachability of 625 error locations. [2024-11-07 18:51:56,091 INFO L276 IsEmpty]: Start isEmpty. Operand has 1284 states, 634 states have (on average 2.2145110410094637) internal successors, (1404), 1262 states have internal predecessors, (1404), 20 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-07 18:51:56,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-07 18:51:56,095 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 18:51:56,096 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-07 18:51:56,096 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, alt_mallocErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, alt_mallocErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 622 more)] === [2024-11-07 18:51:56,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 18:51:56,101 INFO L85 PathProgramCache]: Analyzing trace with hash 85465, now seen corresponding path program 1 times [2024-11-07 18:51:56,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 18:51:56,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [859344696] [2024-11-07 18:51:56,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 18:51:56,112 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 18:51:56,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 18:51:56,115 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 18:51:56,118 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-07 18:51:56,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 18:51:56,307 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 18:51:56,312 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 18:51:56,350 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-11-07 18:51:56,370 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 18:51:56,370 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 18:51:56,371 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 18:51:56,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [859344696] [2024-11-07 18:51:56,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [859344696] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 18:51:56,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 18:51:56,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 18:51:56,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412329541] [2024-11-07 18:51:56,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 18:51:56,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 18:51:56,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 18:51:56,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 18:51:56,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 18:51:56,403 INFO L87 Difference]: Start difference. First operand has 1284 states, 634 states have (on average 2.2145110410094637) internal successors, (1404), 1262 states have internal predecessors, (1404), 20 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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 18:51:58,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 18:51:58,118 INFO L93 Difference]: Finished difference Result 1544 states and 1637 transitions. [2024-11-07 18:51:58,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 18:51:58,120 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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 3 [2024-11-07 18:51:58,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 18:51:58,134 INFO L225 Difference]: With dead ends: 1544 [2024-11-07 18:51:58,134 INFO L226 Difference]: Without dead ends: 1542 [2024-11-07 18:51:58,136 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 18:51:58,138 INFO L432 NwaCegarLoop]: 911 mSDtfsCounter, 914 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 792 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 917 SdHoareTripleChecker+Valid, 1260 SdHoareTripleChecker+Invalid, 804 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 792 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-07 18:51:58,138 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [917 Valid, 1260 Invalid, 804 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 792 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-07 18:51:58,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1542 states. [2024-11-07 18:51:58,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1542 to 1305. [2024-11-07 18:51:58,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1305 states, 670 states have (on average 2.0791044776119403) internal successors, (1393), 1285 states have internal predecessors, (1393), 19 states have call successors, (19), 5 states have call predecessors, (19), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-07 18:51:58,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 1305 states and 1427 transitions. [2024-11-07 18:51:58,231 INFO L78 Accepts]: Start accepts. Automaton has 1305 states and 1427 transitions. Word has length 3 [2024-11-07 18:51:58,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 18:51:58,232 INFO L471 AbstractCegarLoop]: Abstraction has 1305 states and 1427 transitions. [2024-11-07 18:51:58,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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 18:51:58,232 INFO L276 IsEmpty]: Start isEmpty. Operand 1305 states and 1427 transitions. [2024-11-07 18:51:58,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-07 18:51:58,232 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 18:51:58,232 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-07 18:51:58,237 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-07 18:51:58,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 18:51:58,435 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, alt_mallocErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, alt_mallocErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 622 more)] === [2024-11-07 18:51:58,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 18:51:58,436 INFO L85 PathProgramCache]: Analyzing trace with hash 85466, now seen corresponding path program 1 times [2024-11-07 18:51:58,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 18:51:58,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1824367818] [2024-11-07 18:51:58,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 18:51:58,437 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 18:51:58,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 18:51:58,438 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 18:51:58,440 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-07 18:51:58,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 18:51:58,587 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 18:51:58,589 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 18:51:58,596 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-07 18:51:58,609 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 18:51:58,609 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 18:51:58,610 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 18:51:58,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1824367818] [2024-11-07 18:51:58,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1824367818] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 18:51:58,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 18:51:58,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 18:51:58,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089060050] [2024-11-07 18:51:58,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 18:51:58,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 18:51:58,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 18:51:58,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 18:51:58,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 18:51:58,612 INFO L87 Difference]: Start difference. First operand 1305 states and 1427 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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 18:52:01,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 18:52:01,144 INFO L93 Difference]: Finished difference Result 1908 states and 2080 transitions. [2024-11-07 18:52:01,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 18:52:01,145 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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 3 [2024-11-07 18:52:01,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 18:52:01,152 INFO L225 Difference]: With dead ends: 1908 [2024-11-07 18:52:01,152 INFO L226 Difference]: Without dead ends: 1908 [2024-11-07 18:52:01,152 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 18:52:01,153 INFO L432 NwaCegarLoop]: 1048 mSDtfsCounter, 636 mSDsluCounter, 712 mSDsCounter, 0 mSdLazyCounter, 916 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 643 SdHoareTripleChecker+Valid, 1760 SdHoareTripleChecker+Invalid, 921 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 916 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-07 18:52:01,153 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [643 Valid, 1760 Invalid, 921 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 916 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-07 18:52:01,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1908 states. [2024-11-07 18:52:01,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1908 to 1518. [2024-11-07 18:52:01,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1518 states, 882 states have (on average 2.061224489795918) internal successors, (1818), 1496 states have internal predecessors, (1818), 21 states have call successors, (21), 5 states have call predecessors, (21), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-07 18:52:01,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1518 states to 1518 states and 1856 transitions. [2024-11-07 18:52:01,189 INFO L78 Accepts]: Start accepts. Automaton has 1518 states and 1856 transitions. Word has length 3 [2024-11-07 18:52:01,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 18:52:01,190 INFO L471 AbstractCegarLoop]: Abstraction has 1518 states and 1856 transitions. [2024-11-07 18:52:01,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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 18:52:01,190 INFO L276 IsEmpty]: Start isEmpty. Operand 1518 states and 1856 transitions. [2024-11-07 18:52:01,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-07 18:52:01,190 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 18:52:01,190 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 18:52:01,193 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-07 18:52:01,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 18:52:01,393 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, alt_mallocErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, alt_mallocErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 622 more)] === [2024-11-07 18:52:01,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 18:52:01,394 INFO L85 PathProgramCache]: Analyzing trace with hash -1307350193, now seen corresponding path program 1 times [2024-11-07 18:52:01,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 18:52:01,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1082252189] [2024-11-07 18:52:01,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 18:52:01,394 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 18:52:01,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 18:52:01,398 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 18:52:01,399 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-07 18:52:01,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 18:52:01,575 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-07 18:52:01,577 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 18:52:01,590 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-07 18:52:01,596 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-11-07 18:52:01,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-07 18:52:01,657 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2024-11-07 18:52:01,673 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-07 18:52:01,673 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-11-07 18:52:01,701 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 18:52:01,701 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 18:52:01,701 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 18:52:01,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1082252189] [2024-11-07 18:52:01,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1082252189] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 18:52:01,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 18:52:01,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 18:52:01,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518560790] [2024-11-07 18:52:01,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 18:52:01,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 18:52:01,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 18:52:01,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 18:52:01,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 18:52:01,703 INFO L87 Difference]: Start difference. First operand 1518 states and 1856 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 18:52:06,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 18:52:06,010 INFO L93 Difference]: Finished difference Result 2603 states and 3022 transitions. [2024-11-07 18:52:06,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 18:52:06,011 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 8 [2024-11-07 18:52:06,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 18:52:06,020 INFO L225 Difference]: With dead ends: 2603 [2024-11-07 18:52:06,020 INFO L226 Difference]: Without dead ends: 2603 [2024-11-07 18:52:06,021 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 18:52:06,022 INFO L432 NwaCegarLoop]: 705 mSDtfsCounter, 1129 mSDsluCounter, 1108 mSDsCounter, 0 mSdLazyCounter, 2200 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1135 SdHoareTripleChecker+Valid, 1813 SdHoareTripleChecker+Invalid, 2213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 2200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-07 18:52:06,022 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1135 Valid, 1813 Invalid, 2213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 2200 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2024-11-07 18:52:06,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2603 states. [2024-11-07 18:52:06,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2603 to 1667. [2024-11-07 18:52:06,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1667 states, 1031 states have (on average 2.0417070805043647) internal successors, (2105), 1645 states have internal predecessors, (2105), 21 states have call successors, (21), 5 states have call predecessors, (21), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-07 18:52:06,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1667 states to 1667 states and 2143 transitions. [2024-11-07 18:52:06,082 INFO L78 Accepts]: Start accepts. Automaton has 1667 states and 2143 transitions. Word has length 8 [2024-11-07 18:52:06,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 18:52:06,082 INFO L471 AbstractCegarLoop]: Abstraction has 1667 states and 2143 transitions. [2024-11-07 18:52:06,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 18:52:06,083 INFO L276 IsEmpty]: Start isEmpty. Operand 1667 states and 2143 transitions. [2024-11-07 18:52:06,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-07 18:52:06,083 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 18:52:06,083 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 18:52:06,088 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-07 18:52:06,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 18:52:06,284 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, alt_mallocErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, alt_mallocErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 622 more)] === [2024-11-07 18:52:06,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 18:52:06,285 INFO L85 PathProgramCache]: Analyzing trace with hash -1873150296, now seen corresponding path program 1 times [2024-11-07 18:52:06,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 18:52:06,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1359323894] [2024-11-07 18:52:06,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 18:52:06,285 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 18:52:06,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 18:52:06,289 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 18:52:06,290 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-07 18:52:06,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 18:52:06,425 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 18:52:06,426 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 18:52:06,435 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-11-07 18:52:06,452 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 18:52:06,452 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 18:52:06,452 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 18:52:06,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1359323894] [2024-11-07 18:52:06,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1359323894] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 18:52:06,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 18:52:06,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 18:52:06,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876807466] [2024-11-07 18:52:06,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 18:52:06,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 18:52:06,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 18:52:06,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 18:52:06,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 18:52:06,453 INFO L87 Difference]: Start difference. First operand 1667 states and 2143 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 18:52:08,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 18:52:08,665 INFO L93 Difference]: Finished difference Result 2214 states and 2918 transitions. [2024-11-07 18:52:08,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 18:52:08,666 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-07 18:52:08,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 18:52:08,672 INFO L225 Difference]: With dead ends: 2214 [2024-11-07 18:52:08,673 INFO L226 Difference]: Without dead ends: 2214 [2024-11-07 18:52:08,673 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 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 18:52:08,673 INFO L432 NwaCegarLoop]: 1227 mSDtfsCounter, 924 mSDsluCounter, 1291 mSDsCounter, 0 mSdLazyCounter, 1687 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 927 SdHoareTripleChecker+Valid, 2518 SdHoareTripleChecker+Invalid, 1736 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 1687 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-07 18:52:08,674 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [927 Valid, 2518 Invalid, 1736 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 1687 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-07 18:52:08,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2214 states. [2024-11-07 18:52:08,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2214 to 1622. [2024-11-07 18:52:08,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1622 states, 1031 states have (on average 1.9844810863239573) internal successors, (2046), 1600 states have internal predecessors, (2046), 21 states have call successors, (21), 5 states have call predecessors, (21), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-07 18:52:08,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1622 states to 1622 states and 2084 transitions. [2024-11-07 18:52:08,708 INFO L78 Accepts]: Start accepts. Automaton has 1622 states and 2084 transitions. Word has length 9 [2024-11-07 18:52:08,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 18:52:08,708 INFO L471 AbstractCegarLoop]: Abstraction has 1622 states and 2084 transitions. [2024-11-07 18:52:08,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 18:52:08,709 INFO L276 IsEmpty]: Start isEmpty. Operand 1622 states and 2084 transitions. [2024-11-07 18:52:08,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-07 18:52:08,709 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 18:52:08,709 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 18:52:08,713 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-07 18:52:08,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 18:52:08,913 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, alt_mallocErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, alt_mallocErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 622 more)] === [2024-11-07 18:52:08,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 18:52:08,913 INFO L85 PathProgramCache]: Analyzing trace with hash -1873150295, now seen corresponding path program 1 times [2024-11-07 18:52:08,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 18:52:08,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [46629705] [2024-11-07 18:52:08,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 18:52:08,915 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 18:52:08,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 18:52:08,917 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 18:52:08,920 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-07 18:52:09,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 18:52:09,053 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-07 18:52:09,054 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 18:52:09,065 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-07 18:52:09,098 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 18:52:09,098 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 18:52:09,098 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 18:52:09,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [46629705] [2024-11-07 18:52:09,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [46629705] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 18:52:09,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 18:52:09,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 18:52:09,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428985260] [2024-11-07 18:52:09,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 18:52:09,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 18:52:09,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 18:52:09,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 18:52:09,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 18:52:09,099 INFO L87 Difference]: Start difference. First operand 1622 states and 2084 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 18:52:11,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 18:52:11,505 INFO L93 Difference]: Finished difference Result 2278 states and 2940 transitions. [2024-11-07 18:52:11,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 18:52:11,506 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-07 18:52:11,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 18:52:11,512 INFO L225 Difference]: With dead ends: 2278 [2024-11-07 18:52:11,512 INFO L226 Difference]: Without dead ends: 2278 [2024-11-07 18:52:11,512 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 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 18:52:11,513 INFO L432 NwaCegarLoop]: 1403 mSDtfsCounter, 704 mSDsluCounter, 1470 mSDsCounter, 0 mSdLazyCounter, 1674 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 706 SdHoareTripleChecker+Valid, 2873 SdHoareTripleChecker+Invalid, 1688 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 1674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-07 18:52:11,513 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [706 Valid, 2873 Invalid, 1688 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 1674 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-07 18:52:11,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2278 states. [2024-11-07 18:52:11,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2278 to 1614. [2024-11-07 18:52:11,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1614 states, 1033 states have (on average 1.9593417231364956) internal successors, (2024), 1592 states have internal predecessors, (2024), 21 states have call successors, (21), 5 states have call predecessors, (21), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-07 18:52:11,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1614 states to 1614 states and 2062 transitions. [2024-11-07 18:52:11,541 INFO L78 Accepts]: Start accepts. Automaton has 1614 states and 2062 transitions. Word has length 9 [2024-11-07 18:52:11,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 18:52:11,542 INFO L471 AbstractCegarLoop]: Abstraction has 1614 states and 2062 transitions. [2024-11-07 18:52:11,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 18:52:11,542 INFO L276 IsEmpty]: Start isEmpty. Operand 1614 states and 2062 transitions. [2024-11-07 18:52:11,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-07 18:52:11,542 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 18:52:11,543 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 18:52:11,547 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-07 18:52:11,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 18:52:11,743 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, alt_mallocErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, alt_mallocErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 622 more)] === [2024-11-07 18:52:11,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 18:52:11,744 INFO L85 PathProgramCache]: Analyzing trace with hash -325292811, now seen corresponding path program 1 times [2024-11-07 18:52:11,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 18:52:11,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1589299294] [2024-11-07 18:52:11,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 18:52:11,745 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 18:52:11,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 18:52:11,747 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 18:52:11,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-07 18:52:11,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 18:52:11,894 INFO L255 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 18:52:11,895 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 18:52:11,952 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 18:52:11,953 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 18:52:11,953 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 18:52:11,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1589299294] [2024-11-07 18:52:11,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1589299294] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 18:52:11,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 18:52:11,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 18:52:11,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398007664] [2024-11-07 18:52:11,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 18:52:11,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 18:52:11,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 18:52:11,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 18:52:11,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 18:52:11,956 INFO L87 Difference]: Start difference. First operand 1614 states and 2062 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 18:52:12,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 18:52:12,634 INFO L93 Difference]: Finished difference Result 2240 states and 2833 transitions. [2024-11-07 18:52:12,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 18:52:12,635 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 13 [2024-11-07 18:52:12,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 18:52:12,640 INFO L225 Difference]: With dead ends: 2240 [2024-11-07 18:52:12,640 INFO L226 Difference]: Without dead ends: 2240 [2024-11-07 18:52:12,640 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 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 18:52:12,640 INFO L432 NwaCegarLoop]: 1454 mSDtfsCounter, 640 mSDsluCounter, 2496 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 645 SdHoareTripleChecker+Valid, 3950 SdHoareTripleChecker+Invalid, 410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 18:52:12,641 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [645 Valid, 3950 Invalid, 410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 401 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 18:52:12,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2240 states. [2024-11-07 18:52:12,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2240 to 1877. [2024-11-07 18:52:12,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1877 states, 1293 states have (on average 1.9651972157772621) internal successors, (2541), 1852 states have internal predecessors, (2541), 24 states have call successors, (24), 5 states have call predecessors, (24), 4 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-07 18:52:12,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1877 states to 1877 states and 2585 transitions. [2024-11-07 18:52:12,671 INFO L78 Accepts]: Start accepts. Automaton has 1877 states and 2585 transitions. Word has length 13 [2024-11-07 18:52:12,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 18:52:12,671 INFO L471 AbstractCegarLoop]: Abstraction has 1877 states and 2585 transitions. [2024-11-07 18:52:12,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 18:52:12,671 INFO L276 IsEmpty]: Start isEmpty. Operand 1877 states and 2585 transitions. [2024-11-07 18:52:12,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-07 18:52:12,672 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 18:52:12,672 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 18:52:12,676 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-07 18:52:12,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 18:52:12,873 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr322REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, alt_mallocErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, alt_mallocErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 622 more)] === [2024-11-07 18:52:12,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 18:52:12,873 INFO L85 PathProgramCache]: Analyzing trace with hash -922136276, now seen corresponding path program 1 times [2024-11-07 18:52:12,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 18:52:12,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [125145285] [2024-11-07 18:52:12,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 18:52:12,874 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 18:52:12,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 18:52:12,875 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 18:52:12,876 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-07 18:52:13,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 18:52:13,017 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-07 18:52:13,019 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 18:52:13,026 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 18:52:13,026 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 18:52:13,026 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 18:52:13,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [125145285] [2024-11-07 18:52:13,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [125145285] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 18:52:13,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 18:52:13,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 18:52:13,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346656961] [2024-11-07 18:52:13,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 18:52:13,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 18:52:13,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 18:52:13,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 18:52:13,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 18:52:13,027 INFO L87 Difference]: Start difference. First operand 1877 states and 2585 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 18:52:13,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 18:52:13,057 INFO L93 Difference]: Finished difference Result 1781 states and 2413 transitions. [2024-11-07 18:52:13,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 18:52:13,057 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 13 [2024-11-07 18:52:13,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 18:52:13,063 INFO L225 Difference]: With dead ends: 1781 [2024-11-07 18:52:13,063 INFO L226 Difference]: Without dead ends: 1781 [2024-11-07 18:52:13,063 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 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 18:52:13,064 INFO L432 NwaCegarLoop]: 1229 mSDtfsCounter, 71 mSDsluCounter, 1166 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 2395 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 18:52:13,064 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 2395 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 18:52:13,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1781 states. [2024-11-07 18:52:13,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1781 to 1781. [2024-11-07 18:52:13,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1781 states, 1221 states have (on average 1.9402129402129402) internal successors, (2369), 1756 states have internal predecessors, (2369), 24 states have call successors, (24), 5 states have call predecessors, (24), 4 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-07 18:52:13,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1781 states to 1781 states and 2413 transitions. [2024-11-07 18:52:13,098 INFO L78 Accepts]: Start accepts. Automaton has 1781 states and 2413 transitions. Word has length 13 [2024-11-07 18:52:13,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 18:52:13,099 INFO L471 AbstractCegarLoop]: Abstraction has 1781 states and 2413 transitions. [2024-11-07 18:52:13,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 18:52:13,099 INFO L276 IsEmpty]: Start isEmpty. Operand 1781 states and 2413 transitions. [2024-11-07 18:52:13,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-07 18:52:13,099 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 18:52:13,099 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 18:52:13,104 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-11-07 18:52:13,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 18:52:13,304 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, alt_mallocErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, alt_mallocErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 622 more)] === [2024-11-07 18:52:13,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 18:52:13,304 INFO L85 PathProgramCache]: Analyzing trace with hash -1177229704, now seen corresponding path program 1 times [2024-11-07 18:52:13,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 18:52:13,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1726286190] [2024-11-07 18:52:13,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 18:52:13,304 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 18:52:13,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 18:52:13,306 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 18:52:13,307 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-07 18:52:13,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 18:52:13,476 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 18:52:13,478 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 18:52:13,484 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-07 18:52:13,485 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-07 18:52:13,486 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-07 18:52:13,492 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2024-11-07 18:52:13,543 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-07 18:52:13,543 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2024-11-07 18:52:13,557 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 18:52:13,558 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 18:52:13,558 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 18:52:13,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1726286190] [2024-11-07 18:52:13,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1726286190] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 18:52:13,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 18:52:13,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 18:52:13,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004015990] [2024-11-07 18:52:13,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 18:52:13,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 18:52:13,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 18:52:13,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 18:52:13,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 18:52:13,560 INFO L87 Difference]: Start difference. First operand 1781 states and 2413 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 18:52:13,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 18:52:13,937 INFO L93 Difference]: Finished difference Result 2505 states and 2939 transitions. [2024-11-07 18:52:13,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 18:52:13,938 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-11-07 18:52:13,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 18:52:13,943 INFO L225 Difference]: With dead ends: 2505 [2024-11-07 18:52:13,943 INFO L226 Difference]: Without dead ends: 2505 [2024-11-07 18:52:13,943 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 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 18:52:13,944 INFO L432 NwaCegarLoop]: 1453 mSDtfsCounter, 1107 mSDsluCounter, 2643 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1121 SdHoareTripleChecker+Valid, 4096 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 18:52:13,944 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1121 Valid, 4096 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 18:52:13,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2505 states. [2024-11-07 18:52:13,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2505 to 1446. [2024-11-07 18:52:13,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1446 states, 888 states have (on average 1.9324324324324325) internal successors, (1716), 1423 states have internal predecessors, (1716), 22 states have call successors, (22), 5 states have call predecessors, (22), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-07 18:52:13,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1446 states to 1446 states and 1756 transitions. [2024-11-07 18:52:13,967 INFO L78 Accepts]: Start accepts. Automaton has 1446 states and 1756 transitions. Word has length 16 [2024-11-07 18:52:13,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 18:52:13,967 INFO L471 AbstractCegarLoop]: Abstraction has 1446 states and 1756 transitions. [2024-11-07 18:52:13,967 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 18:52:13,967 INFO L276 IsEmpty]: Start isEmpty. Operand 1446 states and 1756 transitions. [2024-11-07 18:52:13,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-07 18:52:13,967 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 18:52:13,968 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 18:52:13,977 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-11-07 18:52:14,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 18:52:14,168 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, alt_mallocErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, alt_mallocErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 622 more)] === [2024-11-07 18:52:14,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 18:52:14,168 INFO L85 PathProgramCache]: Analyzing trace with hash -1057218028, now seen corresponding path program 1 times [2024-11-07 18:52:14,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 18:52:14,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2040482337] [2024-11-07 18:52:14,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 18:52:14,169 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 18:52:14,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 18:52:14,173 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 18:52:14,174 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-11-07 18:52:14,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 18:52:14,330 INFO L255 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-07 18:52:14,331 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 18:52:14,338 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 18:52:14,338 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 18:52:14,338 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 18:52:14,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2040482337] [2024-11-07 18:52:14,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2040482337] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 18:52:14,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 18:52:14,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 18:52:14,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601163865] [2024-11-07 18:52:14,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 18:52:14,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 18:52:14,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 18:52:14,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 18:52:14,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 18:52:14,339 INFO L87 Difference]: Start difference. First operand 1446 states and 1756 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 18:52:14,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 18:52:14,366 INFO L93 Difference]: Finished difference Result 1386 states and 1670 transitions. [2024-11-07 18:52:14,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 18:52:14,367 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 19 [2024-11-07 18:52:14,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 18:52:14,370 INFO L225 Difference]: With dead ends: 1386 [2024-11-07 18:52:14,370 INFO L226 Difference]: Without dead ends: 1386 [2024-11-07 18:52:14,370 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 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 18:52:14,371 INFO L432 NwaCegarLoop]: 1186 mSDtfsCounter, 71 mSDsluCounter, 1123 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 2309 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 18:52:14,371 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 2309 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 18:52:14,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1386 states. [2024-11-07 18:52:14,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1386 to 1386. [2024-11-07 18:52:14,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1386 states, 852 states have (on average 1.9131455399061033) internal successors, (1630), 1363 states have internal predecessors, (1630), 22 states have call successors, (22), 5 states have call predecessors, (22), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-07 18:52:14,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1386 states to 1386 states and 1670 transitions. [2024-11-07 18:52:14,386 INFO L78 Accepts]: Start accepts. Automaton has 1386 states and 1670 transitions. Word has length 19 [2024-11-07 18:52:14,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 18:52:14,387 INFO L471 AbstractCegarLoop]: Abstraction has 1386 states and 1670 transitions. [2024-11-07 18:52:14,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 18:52:14,387 INFO L276 IsEmpty]: Start isEmpty. Operand 1386 states and 1670 transitions. [2024-11-07 18:52:14,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-07 18:52:14,387 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 18:52:14,387 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] [2024-11-07 18:52:14,394 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2024-11-07 18:52:14,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 18:52:14,588 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr38REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, alt_mallocErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, alt_mallocErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 622 more)] === [2024-11-07 18:52:14,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 18:52:14,589 INFO L85 PathProgramCache]: Analyzing trace with hash 1920722190, now seen corresponding path program 1 times [2024-11-07 18:52:14,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 18:52:14,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1052719645] [2024-11-07 18:52:14,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 18:52:14,589 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 18:52:14,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 18:52:14,592 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 18:52:14,593 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-11-07 18:52:14,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 18:52:14,756 INFO L255 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 18:52:14,758 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 18:52:14,771 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 18:52:14,771 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 18:52:14,771 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 18:52:14,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1052719645] [2024-11-07 18:52:14,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1052719645] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 18:52:14,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 18:52:14,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 18:52:14,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612688099] [2024-11-07 18:52:14,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 18:52:14,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 18:52:14,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 18:52:14,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 18:52:14,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 18:52:14,772 INFO L87 Difference]: Start difference. First operand 1386 states and 1670 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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 18:52:14,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 18:52:14,830 INFO L93 Difference]: Finished difference Result 1356 states and 1612 transitions. [2024-11-07 18:52:14,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 18:52:14,830 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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 21 [2024-11-07 18:52:14,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 18:52:14,834 INFO L225 Difference]: With dead ends: 1356 [2024-11-07 18:52:14,834 INFO L226 Difference]: Without dead ends: 1356 [2024-11-07 18:52:14,834 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 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 18:52:14,834 INFO L432 NwaCegarLoop]: 1141 mSDtfsCounter, 48 mSDsluCounter, 2256 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 3397 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 18:52:14,834 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 3397 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 18:52:14,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1356 states. [2024-11-07 18:52:14,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1356 to 1356. [2024-11-07 18:52:14,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1356 states, 836 states have (on average 1.8803827751196172) internal successors, (1572), 1333 states have internal predecessors, (1572), 22 states have call successors, (22), 5 states have call predecessors, (22), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-07 18:52:14,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1356 states to 1356 states and 1612 transitions. [2024-11-07 18:52:14,851 INFO L78 Accepts]: Start accepts. Automaton has 1356 states and 1612 transitions. Word has length 21 [2024-11-07 18:52:14,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 18:52:14,851 INFO L471 AbstractCegarLoop]: Abstraction has 1356 states and 1612 transitions. [2024-11-07 18:52:14,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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 18:52:14,851 INFO L276 IsEmpty]: Start isEmpty. Operand 1356 states and 1612 transitions. [2024-11-07 18:52:14,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-07 18:52:14,852 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 18:52:14,852 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] [2024-11-07 18:52:14,858 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2024-11-07 18:52:15,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 18:52:15,053 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr53REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, alt_mallocErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, alt_mallocErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 622 more)] === [2024-11-07 18:52:15,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 18:52:15,054 INFO L85 PathProgramCache]: Analyzing trace with hash -956254243, now seen corresponding path program 1 times [2024-11-07 18:52:15,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 18:52:15,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1745878881] [2024-11-07 18:52:15,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 18:52:15,054 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 18:52:15,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 18:52:15,057 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 18:52:15,059 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2024-11-07 18:52:15,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 18:52:15,271 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-07 18:52:15,274 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 18:52:15,289 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-07 18:52:15,475 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 18:52:15,475 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 18:52:15,475 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 18:52:15,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1745878881] [2024-11-07 18:52:15,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1745878881] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 18:52:15,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 18:52:15,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 18:52:15,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138708925] [2024-11-07 18:52:15,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 18:52:15,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 18:52:15,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 18:52:15,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 18:52:15,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 18:52:15,476 INFO L87 Difference]: Start difference. First operand 1356 states and 1612 transitions. Second operand has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 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 18:52:18,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 18:52:18,270 INFO L93 Difference]: Finished difference Result 1909 states and 2292 transitions. [2024-11-07 18:52:18,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 18:52:18,270 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 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 35 [2024-11-07 18:52:18,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 18:52:18,276 INFO L225 Difference]: With dead ends: 1909 [2024-11-07 18:52:18,276 INFO L226 Difference]: Without dead ends: 1909 [2024-11-07 18:52:18,276 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-07 18:52:18,277 INFO L432 NwaCegarLoop]: 1387 mSDtfsCounter, 594 mSDsluCounter, 2271 mSDsCounter, 0 mSdLazyCounter, 2304 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 596 SdHoareTripleChecker+Valid, 3658 SdHoareTripleChecker+Invalid, 2308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-07 18:52:18,278 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [596 Valid, 3658 Invalid, 2308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2304 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-07 18:52:18,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1909 states. [2024-11-07 18:52:18,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1909 to 1352. [2024-11-07 18:52:18,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1352 states, 836 states have (on average 1.8708133971291867) internal successors, (1564), 1329 states have internal predecessors, (1564), 22 states have call successors, (22), 5 states have call predecessors, (22), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-07 18:52:18,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1352 states to 1352 states and 1604 transitions. [2024-11-07 18:52:18,295 INFO L78 Accepts]: Start accepts. Automaton has 1352 states and 1604 transitions. Word has length 35 [2024-11-07 18:52:18,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 18:52:18,296 INFO L471 AbstractCegarLoop]: Abstraction has 1352 states and 1604 transitions. [2024-11-07 18:52:18,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 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 18:52:18,297 INFO L276 IsEmpty]: Start isEmpty. Operand 1352 states and 1604 transitions. [2024-11-07 18:52:18,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-07 18:52:18,298 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 18:52:18,298 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] [2024-11-07 18:52:18,305 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2024-11-07 18:52:18,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 18:52:18,503 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr52REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, alt_mallocErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, alt_mallocErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 622 more)] === [2024-11-07 18:52:18,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 18:52:18,503 INFO L85 PathProgramCache]: Analyzing trace with hash -956254244, now seen corresponding path program 1 times [2024-11-07 18:52:18,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 18:52:18,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [799058349] [2024-11-07 18:52:18,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 18:52:18,504 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 18:52:18,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 18:52:18,505 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 18:52:18,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2024-11-07 18:52:18,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 18:52:18,683 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 18:52:18,685 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 18:52:18,690 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-11-07 18:52:18,759 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 18:52:18,759 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 18:52:18,759 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 18:52:18,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [799058349] [2024-11-07 18:52:18,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [799058349] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 18:52:18,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 18:52:18,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 18:52:18,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124874333] [2024-11-07 18:52:18,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 18:52:18,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 18:52:18,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 18:52:18,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 18:52:18,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 18:52:18,761 INFO L87 Difference]: Start difference. First operand 1352 states and 1604 transitions. Second operand has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 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 18:52:20,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 18:52:20,752 INFO L93 Difference]: Finished difference Result 1778 states and 2151 transitions. [2024-11-07 18:52:20,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 18:52:20,753 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 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 35 [2024-11-07 18:52:20,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 18:52:20,757 INFO L225 Difference]: With dead ends: 1778 [2024-11-07 18:52:20,757 INFO L226 Difference]: Without dead ends: 1778 [2024-11-07 18:52:20,758 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-07 18:52:20,758 INFO L432 NwaCegarLoop]: 747 mSDtfsCounter, 810 mSDsluCounter, 1540 mSDsCounter, 0 mSdLazyCounter, 1870 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 813 SdHoareTripleChecker+Valid, 2287 SdHoareTripleChecker+Invalid, 1878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1870 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-07 18:52:20,759 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [813 Valid, 2287 Invalid, 1878 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1870 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-07 18:52:20,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1778 states. [2024-11-07 18:52:20,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1778 to 1348. [2024-11-07 18:52:20,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1348 states, 836 states have (on average 1.861244019138756) internal successors, (1556), 1325 states have internal predecessors, (1556), 22 states have call successors, (22), 5 states have call predecessors, (22), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-07 18:52:20,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1348 states to 1348 states and 1596 transitions. [2024-11-07 18:52:20,775 INFO L78 Accepts]: Start accepts. Automaton has 1348 states and 1596 transitions. Word has length 35 [2024-11-07 18:52:20,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 18:52:20,775 INFO L471 AbstractCegarLoop]: Abstraction has 1348 states and 1596 transitions. [2024-11-07 18:52:20,775 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 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 18:52:20,775 INFO L276 IsEmpty]: Start isEmpty. Operand 1348 states and 1596 transitions. [2024-11-07 18:52:20,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-07 18:52:20,776 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 18:52:20,776 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] [2024-11-07 18:52:20,783 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2024-11-07 18:52:20,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 18:52:20,977 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting alt_mallocErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, alt_mallocErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, alt_mallocErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 622 more)] === [2024-11-07 18:52:20,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 18:52:20,977 INFO L85 PathProgramCache]: Analyzing trace with hash 103975123, now seen corresponding path program 1 times [2024-11-07 18:52:20,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 18:52:20,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [443544513] [2024-11-07 18:52:20,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 18:52:20,978 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 18:52:20,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 18:52:20,980 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 18:52:20,981 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2024-11-07 18:52:21,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 18:52:21,263 INFO L255 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 18:52:21,265 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 18:52:21,300 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 18:52:21,301 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 18:52:21,301 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 18:52:21,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [443544513] [2024-11-07 18:52:21,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [443544513] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 18:52:21,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 18:52:21,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 18:52:21,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169944363] [2024-11-07 18:52:21,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 18:52:21,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 18:52:21,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 18:52:21,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 18:52:21,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 18:52:21,303 INFO L87 Difference]: Start difference. First operand 1348 states and 1596 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 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 18:52:21,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 18:52:21,344 INFO L93 Difference]: Finished difference Result 1336 states and 1576 transitions. [2024-11-07 18:52:21,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 18:52:21,344 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 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 55 [2024-11-07 18:52:21,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 18:52:21,348 INFO L225 Difference]: With dead ends: 1336 [2024-11-07 18:52:21,348 INFO L226 Difference]: Without dead ends: 1336 [2024-11-07 18:52:21,349 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 52 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 18:52:21,349 INFO L432 NwaCegarLoop]: 1135 mSDtfsCounter, 21 mSDsluCounter, 2239 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 3374 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 18:52:21,349 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 3374 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 18:52:21,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1336 states. [2024-11-07 18:52:21,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1336 to 1336. [2024-11-07 18:52:21,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1336 states, 824 states have (on average 1.8640776699029127) internal successors, (1536), 1313 states have internal predecessors, (1536), 22 states have call successors, (22), 5 states have call predecessors, (22), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-07 18:52:21,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1336 states to 1336 states and 1576 transitions. [2024-11-07 18:52:21,360 INFO L78 Accepts]: Start accepts. Automaton has 1336 states and 1576 transitions. Word has length 55 [2024-11-07 18:52:21,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 18:52:21,360 INFO L471 AbstractCegarLoop]: Abstraction has 1336 states and 1576 transitions. [2024-11-07 18:52:21,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 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 18:52:21,360 INFO L276 IsEmpty]: Start isEmpty. Operand 1336 states and 1576 transitions. [2024-11-07 18:52:21,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-07 18:52:21,361 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 18:52:21,361 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] [2024-11-07 18:52:21,370 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Ended with exit code 0 [2024-11-07 18:52:21,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 18:52:21,566 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting alt_mallocErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, alt_mallocErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, alt_mallocErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 622 more)] === [2024-11-07 18:52:21,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 18:52:21,566 INFO L85 PathProgramCache]: Analyzing trace with hash -635878753, now seen corresponding path program 1 times [2024-11-07 18:52:21,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 18:52:21,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [218238318] [2024-11-07 18:52:21,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 18:52:21,567 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 18:52:21,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 18:52:21,570 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 18:52:21,573 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2024-11-07 18:52:21,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 18:52:21,928 INFO L255 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-07 18:52:21,931 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 18:52:21,963 INFO L349 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2024-11-07 18:52:21,963 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 17 [2024-11-07 18:52:22,011 INFO L349 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2024-11-07 18:52:22,011 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 28 [2024-11-07 18:52:22,397 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 18:52:22,397 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 18:52:22,398 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 18:52:22,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [218238318] [2024-11-07 18:52:22,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [218238318] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 18:52:22,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 18:52:22,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 18:52:22,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636005766] [2024-11-07 18:52:22,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 18:52:22,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 18:52:22,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 18:52:22,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 18:52:22,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-07 18:52:22,400 INFO L87 Difference]: Start difference. First operand 1336 states and 1576 transitions. Second operand has 6 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 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 18:52:25,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 18:52:25,115 INFO L93 Difference]: Finished difference Result 2445 states and 2881 transitions. [2024-11-07 18:52:25,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 18:52:25,115 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 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 63 [2024-11-07 18:52:25,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 18:52:25,121 INFO L225 Difference]: With dead ends: 2445 [2024-11-07 18:52:25,121 INFO L226 Difference]: Without dead ends: 2445 [2024-11-07 18:52:25,121 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 57 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2024-11-07 18:52:25,121 INFO L432 NwaCegarLoop]: 893 mSDtfsCounter, 1945 mSDsluCounter, 1813 mSDsCounter, 0 mSdLazyCounter, 1993 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1945 SdHoareTripleChecker+Valid, 2706 SdHoareTripleChecker+Invalid, 2025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1993 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-07 18:52:25,122 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1945 Valid, 2706 Invalid, 2025 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1993 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-07 18:52:25,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2445 states. [2024-11-07 18:52:25,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2445 to 1785. [2024-11-07 18:52:25,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1785 states, 1257 states have (on average 1.847255369928401) internal successors, (2322), 1749 states have internal predecessors, (2322), 35 states have call successors, (35), 9 states have call predecessors, (35), 7 states have return successors, (31), 28 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-07 18:52:25,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1785 states to 1785 states and 2388 transitions. [2024-11-07 18:52:25,143 INFO L78 Accepts]: Start accepts. Automaton has 1785 states and 2388 transitions. Word has length 63 [2024-11-07 18:52:25,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 18:52:25,143 INFO L471 AbstractCegarLoop]: Abstraction has 1785 states and 2388 transitions. [2024-11-07 18:52:25,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 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 18:52:25,143 INFO L276 IsEmpty]: Start isEmpty. Operand 1785 states and 2388 transitions. [2024-11-07 18:52:25,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-07 18:52:25,144 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 18:52:25,144 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] [2024-11-07 18:52:25,154 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Ended with exit code 0 [2024-11-07 18:52:25,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 18:52:25,345 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting alt_mallocErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, alt_mallocErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, alt_mallocErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 622 more)] === [2024-11-07 18:52:25,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 18:52:25,345 INFO L85 PathProgramCache]: Analyzing trace with hash -635878752, now seen corresponding path program 1 times [2024-11-07 18:52:25,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 18:52:25,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1946360268] [2024-11-07 18:52:25,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 18:52:25,346 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 18:52:25,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 18:52:25,348 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 18:52:25,349 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2024-11-07 18:52:25,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 18:52:25,671 INFO L255 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-07 18:52:25,674 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 18:52:25,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-07 18:52:25,731 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2024-11-07 18:52:25,782 INFO L349 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2024-11-07 18:52:25,782 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2024-11-07 18:52:26,308 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 18:52:26,308 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 18:52:26,308 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 18:52:26,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1946360268] [2024-11-07 18:52:26,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1946360268] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 18:52:26,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 18:52:26,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 18:52:26,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003090201] [2024-11-07 18:52:26,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 18:52:26,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 18:52:26,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 18:52:26,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 18:52:26,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-07 18:52:26,309 INFO L87 Difference]: Start difference. First operand 1785 states and 2388 transitions. Second operand has 6 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 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 18:52:28,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 18:52:28,083 INFO L93 Difference]: Finished difference Result 1790 states and 2394 transitions. [2024-11-07 18:52:28,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 18:52:28,083 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 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 63 [2024-11-07 18:52:28,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 18:52:28,088 INFO L225 Difference]: With dead ends: 1790 [2024-11-07 18:52:28,088 INFO L226 Difference]: Without dead ends: 1790 [2024-11-07 18:52:28,088 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 57 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-07 18:52:28,089 INFO L432 NwaCegarLoop]: 1130 mSDtfsCounter, 58 mSDsluCounter, 1253 mSDsCounter, 0 mSdLazyCounter, 1127 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 2383 SdHoareTripleChecker+Invalid, 1129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-07 18:52:28,089 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 2383 Invalid, 1129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1127 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-07 18:52:28,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1790 states. [2024-11-07 18:52:28,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1790 to 1790. [2024-11-07 18:52:28,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1790 states, 1261 states have (on average 1.84456780333069) internal successors, (2326), 1753 states have internal predecessors, (2326), 36 states have call successors, (36), 10 states have call predecessors, (36), 7 states have return successors, (32), 28 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-07 18:52:28,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1790 states to 1790 states and 2394 transitions. [2024-11-07 18:52:28,111 INFO L78 Accepts]: Start accepts. Automaton has 1790 states and 2394 transitions. Word has length 63 [2024-11-07 18:52:28,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 18:52:28,111 INFO L471 AbstractCegarLoop]: Abstraction has 1790 states and 2394 transitions. [2024-11-07 18:52:28,112 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 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 18:52:28,112 INFO L276 IsEmpty]: Start isEmpty. Operand 1790 states and 2394 transitions. [2024-11-07 18:52:28,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-07 18:52:28,112 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 18:52:28,112 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] [2024-11-07 18:52:28,123 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Ended with exit code 0 [2024-11-07 18:52:28,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 18:52:28,313 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, alt_mallocErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, alt_mallocErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 622 more)] === [2024-11-07 18:52:28,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 18:52:28,313 INFO L85 PathProgramCache]: Analyzing trace with hash 735482981, now seen corresponding path program 1 times [2024-11-07 18:52:28,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 18:52:28,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [532844379] [2024-11-07 18:52:28,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 18:52:28,314 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 18:52:28,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 18:52:28,316 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 18:52:28,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2024-11-07 18:52:28,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 18:52:28,574 INFO L255 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 18:52:28,576 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 18:52:28,602 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 18:52:28,602 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 18:52:28,602 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 18:52:28,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [532844379] [2024-11-07 18:52:28,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [532844379] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 18:52:28,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 18:52:28,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 18:52:28,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347608334] [2024-11-07 18:52:28,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 18:52:28,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 18:52:28,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 18:52:28,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 18:52:28,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 18:52:28,603 INFO L87 Difference]: Start difference. First operand 1790 states and 2394 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 3 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 18:52:28,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 18:52:28,668 INFO L93 Difference]: Finished difference Result 1816 states and 2421 transitions. [2024-11-07 18:52:28,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 18:52:28,669 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 3 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2024-11-07 18:52:28,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 18:52:28,679 INFO L225 Difference]: With dead ends: 1816 [2024-11-07 18:52:28,680 INFO L226 Difference]: Without dead ends: 1816 [2024-11-07 18:52:28,680 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-07 18:52:28,680 INFO L432 NwaCegarLoop]: 1145 mSDtfsCounter, 15 mSDsluCounter, 4575 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 5720 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 18:52:28,681 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 5720 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 18:52:28,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1816 states. [2024-11-07 18:52:28,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1816 to 1814. [2024-11-07 18:52:28,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1814 states, 1279 states have (on average 1.836591086786552) internal successors, (2349), 1773 states have internal predecessors, (2349), 38 states have call successors, (38), 14 states have call predecessors, (38), 11 states have return successors, (34), 30 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-07 18:52:28,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1814 states to 1814 states and 2421 transitions. [2024-11-07 18:52:28,711 INFO L78 Accepts]: Start accepts. Automaton has 1814 states and 2421 transitions. Word has length 71 [2024-11-07 18:52:28,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 18:52:28,711 INFO L471 AbstractCegarLoop]: Abstraction has 1814 states and 2421 transitions. [2024-11-07 18:52:28,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 3 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 18:52:28,712 INFO L276 IsEmpty]: Start isEmpty. Operand 1814 states and 2421 transitions. [2024-11-07 18:52:28,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-07 18:52:28,712 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 18:52:28,712 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] [2024-11-07 18:52:28,719 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Ended with exit code 0 [2024-11-07 18:52:28,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 18:52:28,912 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr70REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, alt_mallocErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, alt_mallocErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 622 more)] === [2024-11-07 18:52:28,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 18:52:28,913 INFO L85 PathProgramCache]: Analyzing trace with hash 1006494928, now seen corresponding path program 1 times [2024-11-07 18:52:28,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 18:52:28,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1686934976] [2024-11-07 18:52:28,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 18:52:28,914 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 18:52:28,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 18:52:28,915 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 18:52:28,916 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2024-11-07 18:52:29,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 18:52:29,168 INFO L255 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-07 18:52:29,170 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 18:52:29,280 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 18:52:29,280 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 18:52:29,280 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 18:52:29,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1686934976] [2024-11-07 18:52:29,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1686934976] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 18:52:29,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 18:52:29,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 18:52:29,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384590860] [2024-11-07 18:52:29,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 18:52:29,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 18:52:29,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 18:52:29,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 18:52:29,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 18:52:29,282 INFO L87 Difference]: Start difference. First operand 1814 states and 2421 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 18:52:29,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 18:52:29,464 INFO L93 Difference]: Finished difference Result 1826 states and 2435 transitions. [2024-11-07 18:52:29,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 18:52:29,464 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 69 [2024-11-07 18:52:29,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 18:52:29,471 INFO L225 Difference]: With dead ends: 1826 [2024-11-07 18:52:29,471 INFO L226 Difference]: Without dead ends: 1826 [2024-11-07 18:52:29,471 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-07 18:52:29,472 INFO L432 NwaCegarLoop]: 1129 mSDtfsCounter, 22 mSDsluCounter, 4416 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 5545 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 18:52:29,472 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 5545 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 18:52:29,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1826 states. [2024-11-07 18:52:29,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1826 to 1817. [2024-11-07 18:52:29,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1817 states, 1281 states have (on average 1.8352849336455894) internal successors, (2351), 1775 states have internal predecessors, (2351), 38 states have call successors, (38), 14 states have call predecessors, (38), 12 states have return successors, (35), 30 states have call predecessors, (35), 34 states have call successors, (35) [2024-11-07 18:52:29,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1817 states to 1817 states and 2424 transitions. [2024-11-07 18:52:29,510 INFO L78 Accepts]: Start accepts. Automaton has 1817 states and 2424 transitions. Word has length 69 [2024-11-07 18:52:29,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 18:52:29,512 INFO L471 AbstractCegarLoop]: Abstraction has 1817 states and 2424 transitions. [2024-11-07 18:52:29,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 18:52:29,512 INFO L276 IsEmpty]: Start isEmpty. Operand 1817 states and 2424 transitions. [2024-11-07 18:52:29,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-07 18:52:29,513 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 18:52:29,513 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] [2024-11-07 18:52:29,523 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Ended with exit code 0 [2024-11-07 18:52:29,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 18:52:29,718 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr70REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, alt_mallocErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, alt_mallocErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 622 more)] === [2024-11-07 18:52:29,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 18:52:29,718 INFO L85 PathProgramCache]: Analyzing trace with hash 1237454463, now seen corresponding path program 1 times [2024-11-07 18:52:29,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 18:52:29,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2021971056] [2024-11-07 18:52:29,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 18:52:29,719 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 18:52:29,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 18:52:29,721 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 18:52:29,722 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2024-11-07 18:52:30,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 18:52:30,119 INFO L255 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-07 18:52:30,121 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 18:52:30,124 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-11-07 18:52:30,215 WARN L873 $PredicateComparison]: unable to prove that (exists ((|alt_malloc_#res.base| (_ BitVec 32))) (= (store |c_old(#valid)| |alt_malloc_#res.base| (_ bv1 1)) |c_#valid|)) is different from true [2024-11-07 18:52:30,244 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2024-11-07 18:52:30,244 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 20 [2024-11-07 18:52:30,253 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 18:52:30,254 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 18:52:30,254 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 18:52:30,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2021971056] [2024-11-07 18:52:30,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2021971056] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 18:52:30,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 18:52:30,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 18:52:30,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207954657] [2024-11-07 18:52:30,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 18:52:30,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 18:52:30,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 18:52:30,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 18:52:30,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2024-11-07 18:52:30,255 INFO L87 Difference]: Start difference. First operand 1817 states and 2424 transitions. Second operand has 6 states, 5 states have (on average 14.0) internal successors, (70), 6 states have internal predecessors, (70), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 18:52:32,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 18:52:32,527 INFO L93 Difference]: Finished difference Result 2238 states and 2969 transitions. [2024-11-07 18:52:32,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 18:52:32,527 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.0) internal successors, (70), 6 states have internal predecessors, (70), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 74 [2024-11-07 18:52:32,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 18:52:32,534 INFO L225 Difference]: With dead ends: 2238 [2024-11-07 18:52:32,534 INFO L226 Difference]: Without dead ends: 2238 [2024-11-07 18:52:32,534 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 68 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=20, Unknown=1, NotChecked=8, Total=42 [2024-11-07 18:52:32,535 INFO L432 NwaCegarLoop]: 710 mSDtfsCounter, 771 mSDsluCounter, 1474 mSDsCounter, 0 mSdLazyCounter, 1922 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 774 SdHoareTripleChecker+Valid, 2184 SdHoareTripleChecker+Invalid, 3483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 1922 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1538 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-07 18:52:32,535 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [774 Valid, 2184 Invalid, 3483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 1922 Invalid, 0 Unknown, 1538 Unchecked, 2.2s Time] [2024-11-07 18:52:32,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2238 states. [2024-11-07 18:52:32,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2238 to 1816. [2024-11-07 18:52:32,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1816 states, 1281 states have (on average 1.8337236533957846) internal successors, (2349), 1774 states have internal predecessors, (2349), 38 states have call successors, (38), 14 states have call predecessors, (38), 12 states have return successors, (35), 30 states have call predecessors, (35), 34 states have call successors, (35) [2024-11-07 18:52:32,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1816 states to 1816 states and 2422 transitions. [2024-11-07 18:52:32,571 INFO L78 Accepts]: Start accepts. Automaton has 1816 states and 2422 transitions. Word has length 74 [2024-11-07 18:52:32,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 18:52:32,572 INFO L471 AbstractCegarLoop]: Abstraction has 1816 states and 2422 transitions. [2024-11-07 18:52:32,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.0) internal successors, (70), 6 states have internal predecessors, (70), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 18:52:32,573 INFO L276 IsEmpty]: Start isEmpty. Operand 1816 states and 2422 transitions. [2024-11-07 18:52:32,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-07 18:52:32,573 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 18:52:32,574 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] [2024-11-07 18:52:32,587 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2024-11-07 18:52:32,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 18:52:32,774 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr71REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, alt_mallocErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, alt_mallocErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 622 more)] === [2024-11-07 18:52:32,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 18:52:32,775 INFO L85 PathProgramCache]: Analyzing trace with hash 1237454464, now seen corresponding path program 1 times [2024-11-07 18:52:32,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 18:52:32,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2052006856] [2024-11-07 18:52:32,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 18:52:32,775 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 18:52:32,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 18:52:32,777 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 18:52:32,778 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2024-11-07 18:52:33,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 18:52:33,178 INFO L255 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-07 18:52:33,180 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 18:52:33,186 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-11-07 18:52:33,190 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-07 18:52:33,538 WARN L873 $PredicateComparison]: unable to prove that (exists ((|alt_malloc_#res.base| (_ BitVec 32))) (and (= (store |c_old(#length)| |alt_malloc_#res.base| (select |c_#length| |alt_malloc_#res.base|)) |c_#length|) (= (_ bv0 1) (select |c_old(#valid)| |alt_malloc_#res.base|)))) is different from true [2024-11-07 18:52:33,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-07 18:52:33,552 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2024-11-07 18:52:33,563 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-07 18:52:33,563 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-11-07 18:52:33,574 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 18:52:33,574 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 18:52:33,574 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 18:52:33,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2052006856] [2024-11-07 18:52:33,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2052006856] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 18:52:33,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 18:52:33,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 18:52:33,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782852352] [2024-11-07 18:52:33,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 18:52:33,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 18:52:33,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 18:52:33,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 18:52:33,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=21, Unknown=1, NotChecked=8, Total=42 [2024-11-07 18:52:33,576 INFO L87 Difference]: Start difference. First operand 1816 states and 2422 transitions. Second operand has 7 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 18:52:37,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 18:52:37,322 INFO L93 Difference]: Finished difference Result 2914 states and 3878 transitions. [2024-11-07 18:52:37,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 18:52:37,322 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 74 [2024-11-07 18:52:37,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 18:52:37,327 INFO L225 Difference]: With dead ends: 2914 [2024-11-07 18:52:37,327 INFO L226 Difference]: Without dead ends: 2914 [2024-11-07 18:52:37,327 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=28, Unknown=1, NotChecked=10, Total=56 [2024-11-07 18:52:37,328 INFO L432 NwaCegarLoop]: 1207 mSDtfsCounter, 1477 mSDsluCounter, 1634 mSDsCounter, 0 mSdLazyCounter, 3379 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1480 SdHoareTripleChecker+Valid, 2841 SdHoareTripleChecker+Invalid, 5429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 3379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 2022 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-11-07 18:52:37,328 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1480 Valid, 2841 Invalid, 5429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 3379 Invalid, 0 Unknown, 2022 Unchecked, 3.7s Time] [2024-11-07 18:52:37,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2914 states. [2024-11-07 18:52:37,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2914 to 1808. [2024-11-07 18:52:37,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1808 states, 1281 states have (on average 1.8212334113973458) internal successors, (2333), 1766 states have internal predecessors, (2333), 38 states have call successors, (38), 14 states have call predecessors, (38), 12 states have return successors, (35), 30 states have call predecessors, (35), 34 states have call successors, (35) [2024-11-07 18:52:37,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1808 states to 1808 states and 2406 transitions. [2024-11-07 18:52:37,350 INFO L78 Accepts]: Start accepts. Automaton has 1808 states and 2406 transitions. Word has length 74 [2024-11-07 18:52:37,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 18:52:37,351 INFO L471 AbstractCegarLoop]: Abstraction has 1808 states and 2406 transitions. [2024-11-07 18:52:37,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 18:52:37,351 INFO L276 IsEmpty]: Start isEmpty. Operand 1808 states and 2406 transitions. [2024-11-07 18:52:37,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-07 18:52:37,351 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 18:52:37,352 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 18:52:37,364 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Ended with exit code 0 [2024-11-07 18:52:37,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 18:52:37,552 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting alt_bzeroErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, alt_mallocErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, alt_mallocErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 622 more)] === [2024-11-07 18:52:37,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 18:52:37,553 INFO L85 PathProgramCache]: Analyzing trace with hash -948585261, now seen corresponding path program 1 times [2024-11-07 18:52:37,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 18:52:37,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2130408641] [2024-11-07 18:52:37,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 18:52:37,553 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 18:52:37,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 18:52:37,555 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 18:52:37,556 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2024-11-07 18:52:37,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 18:52:37,855 INFO L255 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-07 18:52:37,857 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 18:52:37,861 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-11-07 18:52:37,876 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-11-07 18:52:37,892 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-07 18:52:37,915 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 18:52:37,915 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 18:52:37,915 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 18:52:37,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2130408641] [2024-11-07 18:52:37,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2130408641] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 18:52:37,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 18:52:37,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 18:52:37,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336817173] [2024-11-07 18:52:37,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 18:52:37,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 18:52:37,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 18:52:37,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 18:52:37,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-07 18:52:37,916 INFO L87 Difference]: Start difference. First operand 1808 states and 2406 transitions. Second operand has 8 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 18:52:40,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 18:52:40,642 INFO L93 Difference]: Finished difference Result 1823 states and 2422 transitions. [2024-11-07 18:52:40,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 18:52:40,643 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 81 [2024-11-07 18:52:40,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 18:52:40,646 INFO L225 Difference]: With dead ends: 1823 [2024-11-07 18:52:40,646 INFO L226 Difference]: Without dead ends: 1823 [2024-11-07 18:52:40,646 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-07 18:52:40,647 INFO L432 NwaCegarLoop]: 1132 mSDtfsCounter, 16 mSDsluCounter, 3731 mSDsCounter, 0 mSdLazyCounter, 3116 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 4863 SdHoareTripleChecker+Invalid, 3118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-07 18:52:40,648 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 4863 Invalid, 3118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 3116 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-07 18:52:40,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1823 states. [2024-11-07 18:52:40,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1823 to 1822. [2024-11-07 18:52:40,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1822 states, 1293 states have (on average 1.8167053364269141) internal successors, (2349), 1778 states have internal predecessors, (2349), 38 states have call successors, (38), 16 states have call predecessors, (38), 14 states have return successors, (35), 30 states have call predecessors, (35), 34 states have call successors, (35) [2024-11-07 18:52:40,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1822 states to 1822 states and 2422 transitions. [2024-11-07 18:52:40,674 INFO L78 Accepts]: Start accepts. Automaton has 1822 states and 2422 transitions. Word has length 81 [2024-11-07 18:52:40,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 18:52:40,675 INFO L471 AbstractCegarLoop]: Abstraction has 1822 states and 2422 transitions. [2024-11-07 18:52:40,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 18:52:40,675 INFO L276 IsEmpty]: Start isEmpty. Operand 1822 states and 2422 transitions. [2024-11-07 18:52:40,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-07 18:52:40,676 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 18:52:40,676 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] [2024-11-07 18:52:40,686 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Ended with exit code 0 [2024-11-07 18:52:40,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 18:52:40,877 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting alt_bzeroErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, alt_mallocErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, alt_mallocErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 622 more)] === [2024-11-07 18:52:40,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 18:52:40,878 INFO L85 PathProgramCache]: Analyzing trace with hash 658628057, now seen corresponding path program 1 times [2024-11-07 18:52:40,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 18:52:40,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2128997180] [2024-11-07 18:52:40,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 18:52:40,878 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 18:52:40,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 18:52:40,881 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 18:52:40,885 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2024-11-07 18:52:41,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 18:52:41,222 INFO L255 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-07 18:52:41,225 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 18:52:41,246 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-07 18:52:41,275 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-07 18:52:41,281 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-11-07 18:52:41,307 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-11-07 18:52:41,365 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 18:52:41,365 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 18:52:41,365 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 18:52:41,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2128997180] [2024-11-07 18:52:41,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2128997180] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 18:52:41,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 18:52:41,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 18:52:41,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104639557] [2024-11-07 18:52:41,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 18:52:41,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 18:52:41,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 18:52:41,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 18:52:41,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-07 18:52:41,367 INFO L87 Difference]: Start difference. First operand 1822 states and 2422 transitions. Second operand has 9 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 18:52:44,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 18:52:44,951 INFO L93 Difference]: Finished difference Result 1822 states and 2420 transitions. [2024-11-07 18:52:44,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 18:52:44,952 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 82 [2024-11-07 18:52:44,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 18:52:44,954 INFO L225 Difference]: With dead ends: 1822 [2024-11-07 18:52:44,954 INFO L226 Difference]: Without dead ends: 1822 [2024-11-07 18:52:44,954 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-07 18:52:44,955 INFO L432 NwaCegarLoop]: 1128 mSDtfsCounter, 13 mSDsluCounter, 4710 mSDsCounter, 0 mSdLazyCounter, 3279 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 5838 SdHoareTripleChecker+Invalid, 3280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-11-07 18:52:44,955 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 5838 Invalid, 3280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3279 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-11-07 18:52:44,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1822 states. [2024-11-07 18:52:44,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1822 to 1822. [2024-11-07 18:52:44,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1822 states, 1293 states have (on average 1.8151585460170148) internal successors, (2347), 1778 states have internal predecessors, (2347), 38 states have call successors, (38), 16 states have call predecessors, (38), 14 states have return successors, (35), 30 states have call predecessors, (35), 34 states have call successors, (35) [2024-11-07 18:52:44,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1822 states to 1822 states and 2420 transitions. [2024-11-07 18:52:44,971 INFO L78 Accepts]: Start accepts. Automaton has 1822 states and 2420 transitions. Word has length 82 [2024-11-07 18:52:44,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 18:52:44,972 INFO L471 AbstractCegarLoop]: Abstraction has 1822 states and 2420 transitions. [2024-11-07 18:52:44,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 18:52:44,972 INFO L276 IsEmpty]: Start isEmpty. Operand 1822 states and 2420 transitions. [2024-11-07 18:52:44,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-07 18:52:44,973 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 18:52:44,973 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] [2024-11-07 18:52:44,984 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Ended with exit code 0 [2024-11-07 18:52:45,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 18:52:45,174 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr78REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, alt_mallocErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, alt_mallocErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 622 more)] === [2024-11-07 18:52:45,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 18:52:45,174 INFO L85 PathProgramCache]: Analyzing trace with hash 1486914519, now seen corresponding path program 1 times [2024-11-07 18:52:45,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 18:52:45,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1070865787] [2024-11-07 18:52:45,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 18:52:45,175 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 18:52:45,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 18:52:45,177 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 18:52:45,178 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2024-11-07 18:52:45,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 18:52:45,507 INFO L255 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 18:52:45,509 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 18:52:45,542 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 18:52:45,542 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 18:52:45,542 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 18:52:45,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1070865787] [2024-11-07 18:52:45,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1070865787] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 18:52:45,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 18:52:45,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 18:52:45,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206451131] [2024-11-07 18:52:45,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 18:52:45,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 18:52:45,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 18:52:45,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 18:52:45,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 18:52:45,543 INFO L87 Difference]: Start difference. First operand 1822 states and 2420 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-07 18:52:45,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 18:52:45,593 INFO L93 Difference]: Finished difference Result 1838 states and 2438 transitions. [2024-11-07 18:52:45,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 18:52:45,594 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 89 [2024-11-07 18:52:45,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 18:52:45,598 INFO L225 Difference]: With dead ends: 1838 [2024-11-07 18:52:45,598 INFO L226 Difference]: Without dead ends: 1832 [2024-11-07 18:52:45,599 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 18:52:45,600 INFO L432 NwaCegarLoop]: 1137 mSDtfsCounter, 3 mSDsluCounter, 3395 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 4532 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 18:52:45,600 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 4532 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 18:52:45,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1832 states. [2024-11-07 18:52:45,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1832 to 1832. [2024-11-07 18:52:45,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1832 states, 1301 states have (on average 1.8116833205226748) internal successors, (2357), 1788 states have internal predecessors, (2357), 38 states have call successors, (38), 16 states have call predecessors, (38), 16 states have return successors, (37), 30 states have call predecessors, (37), 34 states have call successors, (37) [2024-11-07 18:52:45,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1832 states to 1832 states and 2432 transitions. [2024-11-07 18:52:45,621 INFO L78 Accepts]: Start accepts. Automaton has 1832 states and 2432 transitions. Word has length 89 [2024-11-07 18:52:45,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 18:52:45,621 INFO L471 AbstractCegarLoop]: Abstraction has 1832 states and 2432 transitions. [2024-11-07 18:52:45,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-07 18:52:45,622 INFO L276 IsEmpty]: Start isEmpty. Operand 1832 states and 2432 transitions. [2024-11-07 18:52:45,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-07 18:52:45,622 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 18:52:45,622 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] [2024-11-07 18:52:45,633 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Ended with exit code 0 [2024-11-07 18:52:45,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 18:52:45,824 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr78REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, alt_mallocErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, alt_mallocErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 622 more)] === [2024-11-07 18:52:45,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 18:52:45,824 INFO L85 PathProgramCache]: Analyzing trace with hash 400224857, now seen corresponding path program 1 times [2024-11-07 18:52:45,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 18:52:45,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [610254737] [2024-11-07 18:52:45,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 18:52:45,825 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 18:52:45,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 18:52:45,827 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 18:52:45,829 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2024-11-07 18:52:46,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 18:52:46,212 INFO L255 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-07 18:52:46,214 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 18:52:46,258 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 18:52:46,258 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 18:52:46,346 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 18:52:46,347 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 18:52:46,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [610254737] [2024-11-07 18:52:46,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [610254737] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 18:52:46,347 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 18:52:46,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-07 18:52:46,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436890901] [2024-11-07 18:52:46,347 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 18:52:46,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 18:52:46,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 18:52:46,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 18:52:46,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-07 18:52:46,348 INFO L87 Difference]: Start difference. First operand 1832 states and 2432 transitions. Second operand has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 1 states have call successors, (3), 1 states have call predecessors, (3), 3 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 18:52:46,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 18:52:46,502 INFO L93 Difference]: Finished difference Result 1858 states and 2462 transitions. [2024-11-07 18:52:46,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 18:52:46,502 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 1 states have call successors, (3), 1 states have call predecessors, (3), 3 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 90 [2024-11-07 18:52:46,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 18:52:46,505 INFO L225 Difference]: With dead ends: 1858 [2024-11-07 18:52:46,505 INFO L226 Difference]: Without dead ends: 1846 [2024-11-07 18:52:46,505 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=130, Unknown=0, NotChecked=0, Total=210 [2024-11-07 18:52:46,505 INFO L432 NwaCegarLoop]: 1137 mSDtfsCounter, 17 mSDsluCounter, 5660 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 6797 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 18:52:46,505 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 6797 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 18:52:46,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1846 states. [2024-11-07 18:52:46,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1846 to 1840. [2024-11-07 18:52:46,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1840 states, 1309 states have (on average 1.8082505729564553) internal successors, (2367), 1796 states have internal predecessors, (2367), 38 states have call successors, (38), 16 states have call predecessors, (38), 16 states have return successors, (37), 30 states have call predecessors, (37), 34 states have call successors, (37) [2024-11-07 18:52:46,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1840 states to 1840 states and 2442 transitions. [2024-11-07 18:52:46,520 INFO L78 Accepts]: Start accepts. Automaton has 1840 states and 2442 transitions. Word has length 90 [2024-11-07 18:52:46,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 18:52:46,521 INFO L471 AbstractCegarLoop]: Abstraction has 1840 states and 2442 transitions. [2024-11-07 18:52:46,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 1 states have call successors, (3), 1 states have call predecessors, (3), 3 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 18:52:46,521 INFO L276 IsEmpty]: Start isEmpty. Operand 1840 states and 2442 transitions. [2024-11-07 18:52:46,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-07 18:52:46,521 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 18:52:46,521 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-07 18:52:46,531 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Forceful destruction successful, exit code 0 [2024-11-07 18:52:46,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 18:52:46,722 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr78REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, alt_mallocErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, alt_mallocErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 622 more)] === [2024-11-07 18:52:46,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 18:52:46,723 INFO L85 PathProgramCache]: Analyzing trace with hash -1962339241, now seen corresponding path program 2 times [2024-11-07 18:52:46,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 18:52:46,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1647973900] [2024-11-07 18:52:46,723 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 18:52:46,723 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 18:52:46,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 18:52:46,727 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 18:52:46,729 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2024-11-07 18:52:47,446 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 18:52:47,447 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 18:52:47,463 INFO L255 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-07 18:52:47,465 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 18:52:47,557 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 18:52:47,558 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 18:52:47,780 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 18:52:47,780 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 18:52:47,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1647973900] [2024-11-07 18:52:47,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1647973900] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 18:52:47,780 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 18:52:47,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2024-11-07 18:52:47,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658793856] [2024-11-07 18:52:47,781 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 18:52:47,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-07 18:52:47,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 18:52:47,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-07 18:52:47,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2024-11-07 18:52:47,782 INFO L87 Difference]: Start difference. First operand 1840 states and 2442 transitions. Second operand has 16 states, 16 states have (on average 6.0625) internal successors, (97), 16 states have internal predecessors, (97), 1 states have call successors, (3), 1 states have call predecessors, (3), 3 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 18:52:48,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 18:52:48,214 INFO L93 Difference]: Finished difference Result 1876 states and 2492 transitions. [2024-11-07 18:52:48,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-07 18:52:48,215 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 6.0625) internal successors, (97), 16 states have internal predecessors, (97), 1 states have call successors, (3), 1 states have call predecessors, (3), 3 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 93 [2024-11-07 18:52:48,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 18:52:48,217 INFO L225 Difference]: With dead ends: 1876 [2024-11-07 18:52:48,217 INFO L226 Difference]: Without dead ends: 1864 [2024-11-07 18:52:48,218 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=248, Invalid=454, Unknown=0, NotChecked=0, Total=702 [2024-11-07 18:52:48,218 INFO L432 NwaCegarLoop]: 1137 mSDtfsCounter, 34 mSDsluCounter, 6798 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 7935 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 18:52:48,218 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 7935 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 18:52:48,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1864 states. [2024-11-07 18:52:48,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1864 to 1858. [2024-11-07 18:52:48,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1858 states, 1327 states have (on average 1.8018085908063302) internal successors, (2391), 1814 states have internal predecessors, (2391), 38 states have call successors, (38), 16 states have call predecessors, (38), 16 states have return successors, (37), 30 states have call predecessors, (37), 34 states have call successors, (37) [2024-11-07 18:52:48,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1858 states to 1858 states and 2466 transitions. [2024-11-07 18:52:48,234 INFO L78 Accepts]: Start accepts. Automaton has 1858 states and 2466 transitions. Word has length 93 [2024-11-07 18:52:48,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 18:52:48,234 INFO L471 AbstractCegarLoop]: Abstraction has 1858 states and 2466 transitions. [2024-11-07 18:52:48,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 6.0625) internal successors, (97), 16 states have internal predecessors, (97), 1 states have call successors, (3), 1 states have call predecessors, (3), 3 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 18:52:48,234 INFO L276 IsEmpty]: Start isEmpty. Operand 1858 states and 2466 transitions. [2024-11-07 18:52:48,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-07 18:52:48,235 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 18:52:48,235 INFO L215 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:52:48,250 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Ended with exit code 0 [2024-11-07 18:52:48,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 18:52:48,436 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr78REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, alt_mallocErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, alt_mallocErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 622 more)] === [2024-11-07 18:52:48,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 18:52:48,436 INFO L85 PathProgramCache]: Analyzing trace with hash 860812567, now seen corresponding path program 3 times [2024-11-07 18:52:48,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 18:52:48,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1915186977] [2024-11-07 18:52:48,437 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-07 18:52:48,437 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 18:52:48,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 18:52:48,439 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 18:52:48,440 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2024-11-07 18:52:49,457 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-07 18:52:49,457 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 18:52:49,476 INFO L255 TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-07 18:52:49,479 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 18:52:49,645 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 18:52:49,645 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 18:52:50,181 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 18:52:50,181 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 18:52:50,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1915186977] [2024-11-07 18:52:50,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1915186977] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 18:52:50,181 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 18:52:50,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2024-11-07 18:52:50,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826474710] [2024-11-07 18:52:50,182 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 18:52:50,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-07 18:52:50,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 18:52:50,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-07 18:52:50,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=222, Invalid=534, Unknown=0, NotChecked=0, Total=756 [2024-11-07 18:52:50,185 INFO L87 Difference]: Start difference. First operand 1858 states and 2466 transitions. Second operand has 28 states, 28 states have (on average 3.892857142857143) internal successors, (109), 28 states have internal predecessors, (109), 1 states have call successors, (3), 1 states have call predecessors, (3), 3 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 18:52:51,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 18:52:51,980 INFO L93 Difference]: Finished difference Result 1912 states and 2550 transitions. [2024-11-07 18:52:51,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-07 18:52:51,981 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.892857142857143) internal successors, (109), 28 states have internal predecessors, (109), 1 states have call successors, (3), 1 states have call predecessors, (3), 3 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 99 [2024-11-07 18:52:51,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 18:52:51,984 INFO L225 Difference]: With dead ends: 1912 [2024-11-07 18:52:51,984 INFO L226 Difference]: Without dead ends: 1894 [2024-11-07 18:52:51,985 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 285 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=854, Invalid=1696, Unknown=0, NotChecked=0, Total=2550 [2024-11-07 18:52:51,985 INFO L432 NwaCegarLoop]: 1137 mSDtfsCounter, 79 mSDsluCounter, 13597 mSDsCounter, 0 mSdLazyCounter, 618 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 14734 SdHoareTripleChecker+Invalid, 659 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 18:52:51,985 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 14734 Invalid, 659 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 618 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 18:52:51,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1894 states. [2024-11-07 18:52:52,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1894 to 1894. [2024-11-07 18:52:52,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1894 states, 1363 states have (on average 1.7879677182685254) internal successors, (2437), 1850 states have internal predecessors, (2437), 38 states have call successors, (38), 16 states have call predecessors, (38), 16 states have return successors, (37), 30 states have call predecessors, (37), 34 states have call successors, (37) [2024-11-07 18:52:52,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1894 states to 1894 states and 2512 transitions. [2024-11-07 18:52:52,007 INFO L78 Accepts]: Start accepts. Automaton has 1894 states and 2512 transitions. Word has length 99 [2024-11-07 18:52:52,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 18:52:52,007 INFO L471 AbstractCegarLoop]: Abstraction has 1894 states and 2512 transitions. [2024-11-07 18:52:52,007 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.892857142857143) internal successors, (109), 28 states have internal predecessors, (109), 1 states have call successors, (3), 1 states have call predecessors, (3), 3 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 18:52:52,007 INFO L276 IsEmpty]: Start isEmpty. Operand 1894 states and 2512 transitions. [2024-11-07 18:52:52,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-07 18:52:52,008 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 18:52:52,008 INFO L215 NwaCegarLoop]: trace histogram [22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:52:52,021 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Ended with exit code 0 [2024-11-07 18:52:52,208 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 18:52:52,209 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr78REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, alt_mallocErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, alt_mallocErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 622 more)] === [2024-11-07 18:52:52,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 18:52:52,209 INFO L85 PathProgramCache]: Analyzing trace with hash -451672425, now seen corresponding path program 4 times [2024-11-07 18:52:52,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 18:52:52,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1176094318] [2024-11-07 18:52:52,210 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-07 18:52:52,210 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 18:52:52,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 18:52:52,212 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 18:52:52,214 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2024-11-07 18:52:52,976 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-07 18:52:52,977 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 18:52:52,999 INFO L255 TraceCheckSpWp]: Trace formula consists of 685 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-07 18:52:53,002 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 18:52:53,435 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 18:52:53,435 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 18:52:54,776 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 18:52:54,777 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 18:52:54,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1176094318] [2024-11-07 18:52:54,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1176094318] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 18:52:54,777 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 18:52:54,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 52 [2024-11-07 18:52:54,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307574640] [2024-11-07 18:52:54,777 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 18:52:54,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-11-07 18:52:54,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 18:52:54,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-11-07 18:52:54,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=725, Invalid=1927, Unknown=0, NotChecked=0, Total=2652 [2024-11-07 18:52:54,780 INFO L87 Difference]: Start difference. First operand 1894 states and 2512 transitions. Second operand has 52 states, 52 states have (on average 2.5576923076923075) internal successors, (133), 52 states have internal predecessors, (133), 1 states have call successors, (3), 1 states have call predecessors, (3), 3 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 18:53:02,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 18:53:02,368 INFO L93 Difference]: Finished difference Result 1980 states and 2662 transitions. [2024-11-07 18:53:02,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-11-07 18:53:02,369 INFO L78 Accepts]: Start accepts. Automaton has has 52 states, 52 states have (on average 2.5576923076923075) internal successors, (133), 52 states have internal predecessors, (133), 1 states have call successors, (3), 1 states have call predecessors, (3), 3 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 111 [2024-11-07 18:53:02,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 18:53:02,372 INFO L225 Difference]: With dead ends: 1980 [2024-11-07 18:53:02,372 INFO L226 Difference]: Without dead ends: 1968 [2024-11-07 18:53:02,374 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1126 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=2955, Invalid=6357, Unknown=0, NotChecked=0, Total=9312 [2024-11-07 18:53:02,375 INFO L432 NwaCegarLoop]: 1137 mSDtfsCounter, 96 mSDsluCounter, 29434 mSDsCounter, 0 mSdLazyCounter, 1564 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 30571 SdHoareTripleChecker+Invalid, 1635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 1564 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-07 18:53:02,377 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 30571 Invalid, 1635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 1564 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-07 18:53:02,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1968 states. [2024-11-07 18:53:02,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1968 to 1962. [2024-11-07 18:53:02,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1962 states, 1431 states have (on average 1.7672955974842768) internal successors, (2529), 1918 states have internal predecessors, (2529), 38 states have call successors, (38), 16 states have call predecessors, (38), 16 states have return successors, (37), 30 states have call predecessors, (37), 34 states have call successors, (37) [2024-11-07 18:53:02,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1962 states to 1962 states and 2604 transitions. [2024-11-07 18:53:02,400 INFO L78 Accepts]: Start accepts. Automaton has 1962 states and 2604 transitions. Word has length 111 [2024-11-07 18:53:02,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 18:53:02,401 INFO L471 AbstractCegarLoop]: Abstraction has 1962 states and 2604 transitions. [2024-11-07 18:53:02,401 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 2.5576923076923075) internal successors, (133), 52 states have internal predecessors, (133), 1 states have call successors, (3), 1 states have call predecessors, (3), 3 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 18:53:02,401 INFO L276 IsEmpty]: Start isEmpty. Operand 1962 states and 2604 transitions. [2024-11-07 18:53:02,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-07 18:53:02,402 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 18:53:02,402 INFO L215 NwaCegarLoop]: trace histogram [44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:53:02,418 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Ended with exit code 0 [2024-11-07 18:53:02,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 18:53:02,603 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr78REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, alt_mallocErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, alt_mallocErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 622 more)] === [2024-11-07 18:53:02,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 18:53:02,603 INFO L85 PathProgramCache]: Analyzing trace with hash 508361047, now seen corresponding path program 5 times [2024-11-07 18:53:02,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 18:53:02,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1891689941] [2024-11-07 18:53:02,604 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-07 18:53:02,604 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 18:53:02,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 18:53:02,606 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 18:53:02,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2024-11-07 18:53:03,978 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 23 check-sat command(s) [2024-11-07 18:53:03,979 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 18:53:04,008 INFO L255 TraceCheckSpWp]: Trace formula consists of 927 conjuncts, 64 conjuncts are in the unsatisfiable core [2024-11-07 18:53:04,015 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 18:53:04,018 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-11-07 18:53:04,149 INFO L349 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2024-11-07 18:53:04,149 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2024-11-07 18:53:04,174 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-11-07 18:53:04,274 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2024-11-07 18:53:05,273 INFO L349 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2024-11-07 18:53:05,273 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 43 [2024-11-07 18:53:05,312 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 15 [2024-11-07 18:53:05,339 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 903 trivial. 0 not checked. [2024-11-07 18:53:05,339 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 18:53:05,654 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2663 (Array (_ BitVec 32) (_ BitVec 32)))) (= (_ bv0 1) (bvadd (_ bv1 1) (select |c_#valid| (select (select (store |c_#memory_$Pointer$#2.base| |c_ULTIMATE.start_main_#t~mem71#1.base| v_ArrVal_2663) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))))) is different from false [2024-11-07 18:53:05,655 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 18:53:05,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1891689941] [2024-11-07 18:53:05,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1891689941] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 18:53:05,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [271377938] [2024-11-07 18:53:05,656 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-07 18:53:05,656 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-07 18:53:05,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-07 18:53:05,658 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-07 18:53:05,659 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process