./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_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_OAT_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', 'bd635b7902366e8a0b08b14a90a1f3949f04bf734a3e09a83f5077ced842f5da'] 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_OAT_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 bd635b7902366e8a0b08b14a90a1f3949f04bf734a3e09a83f5077ced842f5da --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 18:55:39,922 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 18:55:40,008 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-07 18:55:40,014 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 18:55:40,016 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 18:55:40,050 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 18:55:40,050 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 18:55:40,051 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 18:55:40,051 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 18:55:40,052 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 18:55:40,052 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 18:55:40,052 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 18:55:40,052 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 18:55:40,053 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 18:55:40,053 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 18:55:40,053 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 18:55:40,053 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 18:55:40,053 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 18:55:40,053 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 18:55:40,054 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 18:55:40,054 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-07 18:55:40,054 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-07 18:55:40,054 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-07 18:55:40,054 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 18:55:40,054 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-07 18:55:40,054 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 18:55:40,055 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 18:55:40,055 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 18:55:40,055 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 18:55:40,055 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 18:55:40,055 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 18:55:40,055 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 18:55:40,056 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 18:55:40,056 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 18:55:40,056 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 18:55:40,056 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 18:55:40,056 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 18:55:40,056 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 18:55:40,057 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 18:55:40,057 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 18:55:40,057 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 18:55:40,057 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 18:55:40,057 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 -> bd635b7902366e8a0b08b14a90a1f3949f04bf734a3e09a83f5077ced842f5da [2024-11-07 18:55:40,370 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 18:55:40,378 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 18:55:40,382 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 18:55:40,383 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 18:55:40,383 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 18:55:40,385 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i [2024-11-07 18:55:41,699 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 18:55:42,033 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 18:55:42,034 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i [2024-11-07 18:55:42,057 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/37c17265e/dcbe0b1258684e9a9f00a8249da2c74e/FLAG0d1cd5f3e [2024-11-07 18:55:42,077 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/37c17265e/dcbe0b1258684e9a9f00a8249da2c74e [2024-11-07 18:55:42,080 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 18:55:42,081 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 18:55:42,083 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 18:55:42,084 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 18:55:42,088 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 18:55:42,088 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:55:42" (1/1) ... [2024-11-07 18:55:42,089 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32dc5e5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:55:42, skipping insertion in model container [2024-11-07 18:55:42,089 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:55:42" (1/1) ... [2024-11-07 18:55:42,129 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 18:55:42,526 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 18:55:42,564 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 18:55:42,567 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 18:55:42,571 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 18:55:42,579 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 18:55:42,608 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 18:55:42,608 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 18:55:42,610 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 18:55:42,612 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 18:55:42,615 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 18:55:42,618 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 18:55:42,619 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 18:55:42,619 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 18:55:42,624 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 18:55:42,629 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 18:55:42,631 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 18:55:42,631 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 18:55:42,632 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 18:55:42,635 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 18:55:42,638 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 18:55:42,645 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 18:55:42,666 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 18:55:42,667 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@334a13d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:55:42, skipping insertion in model container [2024-11-07 18:55:42,667 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 18:55:42,667 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-11-07 18:55:42,669 INFO L158 Benchmark]: Toolchain (without parser) took 587.47ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 67.1MB in the end (delta: 22.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-07 18:55:42,670 INFO L158 Benchmark]: CDTParser took 0.88ms. Allocated memory is still 117.4MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 18:55:42,670 INFO L158 Benchmark]: CACSL2BoogieTranslator took 584.31ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 67.1MB in the end (delta: 21.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-07 18:55:42,671 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.88ms. Allocated memory is still 117.4MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 584.31ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 67.1MB in the end (delta: 21.8MB). Peak memory consumption was 16.8MB. 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_OAT_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 bd635b7902366e8a0b08b14a90a1f3949f04bf734a3e09a83f5077ced842f5da --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 18:55:44,774 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 18:55:44,892 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2024-11-07 18:55:44,898 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 18:55:44,899 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 18:55:44,930 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 18:55:44,931 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 18:55:44,932 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 18:55:44,932 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 18:55:44,932 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 18:55:44,933 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 18:55:44,933 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 18:55:44,934 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 18:55:44,934 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 18:55:44,934 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 18:55:44,934 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 18:55:44,934 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 18:55:44,934 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 18:55:44,934 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 18:55:44,935 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 18:55:44,935 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-07 18:55:44,935 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-07 18:55:44,935 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-07 18:55:44,935 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 18:55:44,935 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-07 18:55:44,935 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-07 18:55:44,935 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 18:55:44,935 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-07 18:55:44,936 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 18:55:44,936 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 18:55:44,936 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 18:55:44,936 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 18:55:44,936 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 18:55:44,936 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 18:55:44,936 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 18:55:44,937 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 18:55:44,937 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 18:55:44,937 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 18:55:44,937 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-07 18:55:44,937 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-07 18:55:44,937 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 18:55:44,938 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 18:55:44,938 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 18:55:44,938 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 18:55:44,938 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 -> bd635b7902366e8a0b08b14a90a1f3949f04bf734a3e09a83f5077ced842f5da [2024-11-07 18:55:45,237 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 18:55:45,243 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 18:55:45,245 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 18:55:45,246 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 18:55:45,247 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 18:55:45,248 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i [2024-11-07 18:55:46,569 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 18:55:46,929 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 18:55:46,930 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i [2024-11-07 18:55:46,950 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0481875bd/88448efcc4e94c88851bb715e7d0eaa7/FLAG05bfc731d [2024-11-07 18:55:47,136 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0481875bd/88448efcc4e94c88851bb715e7d0eaa7 [2024-11-07 18:55:47,138 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 18:55:47,141 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 18:55:47,142 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 18:55:47,142 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 18:55:47,148 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 18:55:47,149 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:55:47" (1/1) ... [2024-11-07 18:55:47,149 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51339a35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:55:47, skipping insertion in model container [2024-11-07 18:55:47,149 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:55:47" (1/1) ... [2024-11-07 18:55:47,205 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 18:55:47,708 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 18:55:47,739 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 18:55:47,744 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 18:55:47,749 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 18:55:47,755 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 18:55:47,787 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 18:55:47,787 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 18:55:47,790 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 18:55:47,790 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 18:55:47,793 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 18:55:47,794 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 18:55:47,795 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 18:55:47,796 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 18:55:47,800 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 18:55:47,801 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 18:55:47,803 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 18:55:47,804 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 18:55:47,805 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 18:55:47,805 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 18:55:47,809 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 18:55:47,817 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 18:55:47,833 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-07 18:55:47,851 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 18:55:47,901 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 18:55:47,928 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 18:55:47,931 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 18:55:47,937 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 18:55:47,940 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 18:55:47,960 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 18:55:47,960 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 18:55:47,962 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 18:55:47,962 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 18:55:47,967 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 18:55:47,968 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 18:55:47,968 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 18:55:47,969 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 18:55:47,971 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 18:55:47,972 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 18:55:47,975 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 18:55:47,977 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 18:55:47,977 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 18:55:47,978 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 18:55:47,983 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-07 18:55:47,987 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 18:55:47,992 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 18:55:48,089 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 18:55:48,147 INFO L204 MainTranslator]: Completed translation [2024-11-07 18:55:48,147 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:55:48 WrapperNode [2024-11-07 18:55:48,148 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 18:55:48,149 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 18:55:48,149 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 18:55:48,149 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 18:55:48,156 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:55:48" (1/1) ... [2024-11-07 18:55:48,206 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:55:48" (1/1) ... [2024-11-07 18:55:48,259 INFO L138 Inliner]: procedures = 286, calls = 353, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1243 [2024-11-07 18:55:48,259 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 18:55:48,260 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 18:55:48,260 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 18:55:48,260 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 18:55:48,269 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:55:48" (1/1) ... [2024-11-07 18:55:48,269 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:55:48" (1/1) ... [2024-11-07 18:55:48,282 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:55:48" (1/1) ... [2024-11-07 18:55:48,399 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 18:55:48,399 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:55:48" (1/1) ... [2024-11-07 18:55:48,399 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:55:48" (1/1) ... [2024-11-07 18:55:48,464 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:55:48" (1/1) ... [2024-11-07 18:55:48,480 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:55:48" (1/1) ... [2024-11-07 18:55:48,489 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:55:48" (1/1) ... [2024-11-07 18:55:48,501 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:55:48" (1/1) ... [2024-11-07 18:55:48,516 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 18:55:48,518 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 18:55:48,518 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 18:55:48,518 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 18:55:48,519 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:55:48" (1/1) ... [2024-11-07 18:55:48,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 18:55:48,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 18:55:48,552 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 18:55:48,555 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 18:55:48,605 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-07 18:55:48,606 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-07 18:55:48,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-07 18:55:48,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-07 18:55:48,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-07 18:55:48,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-07 18:55:48,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-07 18:55:48,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-07 18:55:48,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-07 18:55:48,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-07 18:55:48,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 18:55:48,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 18:55:48,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 18:55:48,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 18:55:48,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-07 18:55:48,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 18:55:48,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-07 18:55:48,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-07 18:55:48,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-07 18:55:48,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-07 18:55:48,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-07 18:55:48,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-07 18:55:48,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-07 18:55:48,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-07 18:55:48,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-07 18:55:48,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-07 18:55:48,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-07 18:55:48,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-07 18:55:48,610 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2024-11-07 18:55:48,610 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2024-11-07 18:55:48,610 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 18:55:48,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 18:55:48,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 18:55:48,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 18:55:48,610 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2024-11-07 18:55:48,611 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2024-11-07 18:55:48,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 18:55:48,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 18:55:48,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 18:55:48,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 18:55:48,611 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2024-11-07 18:55:48,611 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2024-11-07 18:55:48,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 18:55:48,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 18:55:48,897 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 18:55:48,899 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 18:55:53,505 INFO L? ?]: Removed 1307 outVars from TransFormulas that were not future-live. [2024-11-07 18:55:53,505 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 18:55:53,545 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 18:55:53,545 INFO L316 CfgBuilder]: Removed 72 assume(true) statements. [2024-11-07 18:55:53,546 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:55:53 BoogieIcfgContainer [2024-11-07 18:55:53,546 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 18:55:53,548 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 18:55:53,548 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 18:55:53,555 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 18:55:53,555 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 06:55:47" (1/3) ... [2024-11-07 18:55:53,556 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fb0c808 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:55:53, skipping insertion in model container [2024-11-07 18:55:53,556 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:55:48" (2/3) ... [2024-11-07 18:55:53,557 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fb0c808 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:55:53, skipping insertion in model container [2024-11-07 18:55:53,557 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:55:53" (3/3) ... [2024-11-07 18:55:53,558 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test6-2.i [2024-11-07 18:55:53,575 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 18:55:53,575 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 625 error locations. [2024-11-07 18:55:53,649 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 18:55:53,667 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;@ea7788d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 18:55:53,667 INFO L334 AbstractCegarLoop]: Starting to check reachability of 625 error locations. [2024-11-07 18:55:53,678 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 18:55:53,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-07 18:55:53,683 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 18:55:53,684 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-07 18:55:53,684 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 18:55:53,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 18:55:53,690 INFO L85 PathProgramCache]: Analyzing trace with hash 85465, now seen corresponding path program 1 times [2024-11-07 18:55:53,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 18:55:53,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [939876003] [2024-11-07 18:55:53,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 18:55:53,701 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 18:55:53,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 18:55:53,705 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 18:55:53,707 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 18:55:53,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 18:55:53,885 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 18:55:53,890 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 18:55:53,947 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 18:55:53,965 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 18:55:53,965 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 18:55:53,966 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 18:55:53,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [939876003] [2024-11-07 18:55:53,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [939876003] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 18:55:53,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 18:55:53,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 18:55:53,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535801237] [2024-11-07 18:55:53,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 18:55:53,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 18:55:53,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 18:55:53,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 18:55:53,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 18:55:53,998 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 18:55:56,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 18:55:56,114 INFO L93 Difference]: Finished difference Result 1544 states and 1637 transitions. [2024-11-07 18:55:56,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 18:55:56,117 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 18:55:56,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 18:55:56,134 INFO L225 Difference]: With dead ends: 1544 [2024-11-07 18:55:56,134 INFO L226 Difference]: Without dead ends: 1542 [2024-11-07 18:55:56,136 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 18:55:56,138 INFO L432 NwaCegarLoop]: 911 mSDtfsCounter, 914 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 792 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s 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, 2.0s IncrementalHoareTripleChecker+Time [2024-11-07 18:55:56,139 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [917 Valid, 1260 Invalid, 804 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 792 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-07 18:55:56,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1542 states. [2024-11-07 18:55:56,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1542 to 1305. [2024-11-07 18:55:56,231 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 18:55:56,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 1305 states and 1427 transitions. [2024-11-07 18:55:56,243 INFO L78 Accepts]: Start accepts. Automaton has 1305 states and 1427 transitions. Word has length 3 [2024-11-07 18:55:56,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 18:55:56,244 INFO L471 AbstractCegarLoop]: Abstraction has 1305 states and 1427 transitions. [2024-11-07 18:55:56,244 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 18:55:56,244 INFO L276 IsEmpty]: Start isEmpty. Operand 1305 states and 1427 transitions. [2024-11-07 18:55:56,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-07 18:55:56,245 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 18:55:56,245 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-07 18:55:56,249 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 18:55:56,446 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 18:55:56,446 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 18:55:56,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 18:55:56,447 INFO L85 PathProgramCache]: Analyzing trace with hash 85466, now seen corresponding path program 1 times [2024-11-07 18:55:56,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 18:55:56,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [282683472] [2024-11-07 18:55:56,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 18:55:56,447 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 18:55:56,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 18:55:56,451 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 18:55:56,452 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 18:55:56,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 18:55:56,584 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 18:55:56,586 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 18:55:56,598 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 18:55:56,612 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 18:55:56,613 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 18:55:56,613 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 18:55:56,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [282683472] [2024-11-07 18:55:56,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [282683472] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 18:55:56,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 18:55:56,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 18:55:56,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24460548] [2024-11-07 18:55:56,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 18:55:56,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 18:55:56,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 18:55:56,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 18:55:56,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 18:55:56,617 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 18:55:59,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 18:55:59,383 INFO L93 Difference]: Finished difference Result 1908 states and 2080 transitions. [2024-11-07 18:55:59,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 18:55:59,383 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 18:55:59,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 18:55:59,391 INFO L225 Difference]: With dead ends: 1908 [2024-11-07 18:55:59,391 INFO L226 Difference]: Without dead ends: 1908 [2024-11-07 18:55:59,391 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 18:55:59,392 INFO L432 NwaCegarLoop]: 1048 mSDtfsCounter, 636 mSDsluCounter, 712 mSDsCounter, 0 mSdLazyCounter, 916 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s 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, 2.7s IncrementalHoareTripleChecker+Time [2024-11-07 18:55:59,392 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [643 Valid, 1760 Invalid, 921 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 916 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-07 18:55:59,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1908 states. [2024-11-07 18:55:59,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1908 to 1518. [2024-11-07 18:55:59,425 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 18:55:59,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1518 states to 1518 states and 1856 transitions. [2024-11-07 18:55:59,434 INFO L78 Accepts]: Start accepts. Automaton has 1518 states and 1856 transitions. Word has length 3 [2024-11-07 18:55:59,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 18:55:59,434 INFO L471 AbstractCegarLoop]: Abstraction has 1518 states and 1856 transitions. [2024-11-07 18:55:59,435 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 18:55:59,435 INFO L276 IsEmpty]: Start isEmpty. Operand 1518 states and 1856 transitions. [2024-11-07 18:55:59,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-07 18:55:59,435 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 18:55:59,435 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 18:55:59,440 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 (3)] Forceful destruction successful, exit code 0 [2024-11-07 18:55:59,636 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 18:55:59,636 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 18:55:59,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 18:55:59,637 INFO L85 PathProgramCache]: Analyzing trace with hash -1307350193, now seen corresponding path program 1 times [2024-11-07 18:55:59,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 18:55:59,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1991446509] [2024-11-07 18:55:59,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 18:55:59,637 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 18:55:59,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 18:55:59,641 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 18:55:59,642 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 18:55:59,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 18:55:59,855 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-07 18:55:59,858 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 18:55:59,872 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 18:55:59,879 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 18:55:59,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-07 18:55:59,957 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 18:55:59,976 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-07 18:55:59,976 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 18:56:00,015 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 18:56:00,015 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 18:56:00,015 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 18:56:00,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1991446509] [2024-11-07 18:56:00,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1991446509] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 18:56:00,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 18:56:00,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 18:56:00,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624459476] [2024-11-07 18:56:00,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 18:56:00,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 18:56:00,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 18:56:00,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 18:56:00,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 18:56:00,018 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 18:56:04,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 18:56:04,701 INFO L93 Difference]: Finished difference Result 2603 states and 3022 transitions. [2024-11-07 18:56:04,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 18:56:04,702 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 18:56:04,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 18:56:04,712 INFO L225 Difference]: With dead ends: 2603 [2024-11-07 18:56:04,712 INFO L226 Difference]: Without dead ends: 2603 [2024-11-07 18:56:04,713 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 18:56:04,714 INFO L432 NwaCegarLoop]: 705 mSDtfsCounter, 1129 mSDsluCounter, 1108 mSDsCounter, 0 mSdLazyCounter, 2200 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s 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, 4.6s IncrementalHoareTripleChecker+Time [2024-11-07 18:56:04,714 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1135 Valid, 1813 Invalid, 2213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 2200 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2024-11-07 18:56:04,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2603 states. [2024-11-07 18:56:04,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2603 to 1667. [2024-11-07 18:56:04,751 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 18:56:04,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1667 states to 1667 states and 2143 transitions. [2024-11-07 18:56:04,757 INFO L78 Accepts]: Start accepts. Automaton has 1667 states and 2143 transitions. Word has length 8 [2024-11-07 18:56:04,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 18:56:04,757 INFO L471 AbstractCegarLoop]: Abstraction has 1667 states and 2143 transitions. [2024-11-07 18:56:04,757 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 18:56:04,758 INFO L276 IsEmpty]: Start isEmpty. Operand 1667 states and 2143 transitions. [2024-11-07 18:56:04,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-07 18:56:04,758 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 18:56:04,758 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 18:56:04,763 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 18:56:04,962 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 18:56:04,963 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 18:56:04,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 18:56:04,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1873150296, now seen corresponding path program 1 times [2024-11-07 18:56:04,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 18:56:04,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1154716430] [2024-11-07 18:56:04,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 18:56:04,964 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 18:56:04,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 18:56:04,968 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 18:56:04,968 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 18:56:05,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 18:56:05,124 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 18:56:05,126 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 18:56:05,136 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 18:56:05,166 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 18:56:05,166 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 18:56:05,166 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 18:56:05,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1154716430] [2024-11-07 18:56:05,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1154716430] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 18:56:05,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 18:56:05,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 18:56:05,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562132611] [2024-11-07 18:56:05,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 18:56:05,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 18:56:05,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 18:56:05,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 18:56:05,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 18:56:05,167 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 18:56:07,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 18:56:07,671 INFO L93 Difference]: Finished difference Result 2214 states and 2918 transitions. [2024-11-07 18:56:07,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 18:56:07,671 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 18:56:07,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 18:56:07,678 INFO L225 Difference]: With dead ends: 2214 [2024-11-07 18:56:07,678 INFO L226 Difference]: Without dead ends: 2214 [2024-11-07 18:56:07,678 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 18:56:07,679 INFO L432 NwaCegarLoop]: 1227 mSDtfsCounter, 924 mSDsluCounter, 1291 mSDsCounter, 0 mSdLazyCounter, 1687 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s 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, 2.4s IncrementalHoareTripleChecker+Time [2024-11-07 18:56:07,679 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [927 Valid, 2518 Invalid, 1736 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 1687 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-07 18:56:07,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2214 states. [2024-11-07 18:56:07,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2214 to 1622. [2024-11-07 18:56:07,713 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 18:56:07,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1622 states to 1622 states and 2084 transitions. [2024-11-07 18:56:07,719 INFO L78 Accepts]: Start accepts. Automaton has 1622 states and 2084 transitions. Word has length 9 [2024-11-07 18:56:07,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 18:56:07,719 INFO L471 AbstractCegarLoop]: Abstraction has 1622 states and 2084 transitions. [2024-11-07 18:56:07,719 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 18:56:07,719 INFO L276 IsEmpty]: Start isEmpty. Operand 1622 states and 2084 transitions. [2024-11-07 18:56:07,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-07 18:56:07,720 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 18:56:07,720 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 18:56:07,724 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 18:56:07,920 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 18:56:07,922 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 18:56:07,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 18:56:07,923 INFO L85 PathProgramCache]: Analyzing trace with hash -1873150295, now seen corresponding path program 1 times [2024-11-07 18:56:07,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 18:56:07,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1757760302] [2024-11-07 18:56:07,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 18:56:07,923 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 18:56:07,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 18:56:07,926 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 18:56:07,928 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 18:56:08,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 18:56:08,061 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-07 18:56:08,063 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 18:56:08,073 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 18:56:08,108 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 18:56:08,109 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 18:56:08,109 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 18:56:08,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1757760302] [2024-11-07 18:56:08,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1757760302] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 18:56:08,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 18:56:08,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 18:56:08,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737615892] [2024-11-07 18:56:08,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 18:56:08,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 18:56:08,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 18:56:08,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 18:56:08,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 18:56:08,111 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 18:56:10,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 18:56:10,761 INFO L93 Difference]: Finished difference Result 2278 states and 2940 transitions. [2024-11-07 18:56:10,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 18:56:10,762 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 18:56:10,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 18:56:10,767 INFO L225 Difference]: With dead ends: 2278 [2024-11-07 18:56:10,767 INFO L226 Difference]: Without dead ends: 2278 [2024-11-07 18:56:10,767 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 18:56:10,767 INFO L432 NwaCegarLoop]: 1403 mSDtfsCounter, 704 mSDsluCounter, 1470 mSDsCounter, 0 mSdLazyCounter, 1674 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s 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, 2.6s IncrementalHoareTripleChecker+Time [2024-11-07 18:56:10,768 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [706 Valid, 2873 Invalid, 1688 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 1674 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-07 18:56:10,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2278 states. [2024-11-07 18:56:10,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2278 to 1614. [2024-11-07 18:56:10,796 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 18:56:10,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1614 states to 1614 states and 2062 transitions. [2024-11-07 18:56:10,801 INFO L78 Accepts]: Start accepts. Automaton has 1614 states and 2062 transitions. Word has length 9 [2024-11-07 18:56:10,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 18:56:10,802 INFO L471 AbstractCegarLoop]: Abstraction has 1614 states and 2062 transitions. [2024-11-07 18:56:10,802 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 18:56:10,803 INFO L276 IsEmpty]: Start isEmpty. Operand 1614 states and 2062 transitions. [2024-11-07 18:56:10,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-07 18:56:10,803 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 18:56:10,803 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 18:56:10,808 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 (6)] Forceful destruction successful, exit code 0 [2024-11-07 18:56:11,003 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 18:56:11,004 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 18:56:11,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 18:56:11,004 INFO L85 PathProgramCache]: Analyzing trace with hash -325292811, now seen corresponding path program 1 times [2024-11-07 18:56:11,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 18:56:11,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [756319142] [2024-11-07 18:56:11,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 18:56:11,005 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 18:56:11,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 18:56:11,006 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 18:56:11,008 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 18:56:11,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 18:56:11,158 INFO L255 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 18:56:11,160 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 18:56:11,229 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 18:56:11,229 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 18:56:11,229 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 18:56:11,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [756319142] [2024-11-07 18:56:11,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [756319142] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 18:56:11,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 18:56:11,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 18:56:11,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59244834] [2024-11-07 18:56:11,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 18:56:11,230 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 18:56:11,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 18:56:11,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 18:56:11,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 18:56:11,230 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 18:56:11,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 18:56:11,923 INFO L93 Difference]: Finished difference Result 2240 states and 2833 transitions. [2024-11-07 18:56:11,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 18:56:11,924 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 18:56:11,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 18:56:11,931 INFO L225 Difference]: With dead ends: 2240 [2024-11-07 18:56:11,931 INFO L226 Difference]: Without dead ends: 2240 [2024-11-07 18:56:11,931 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 18:56:11,932 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 18:56:11,933 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 18:56:11,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2240 states. [2024-11-07 18:56:11,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2240 to 1877. [2024-11-07 18:56:11,970 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 18:56:11,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1877 states to 1877 states and 2585 transitions. [2024-11-07 18:56:11,978 INFO L78 Accepts]: Start accepts. Automaton has 1877 states and 2585 transitions. Word has length 13 [2024-11-07 18:56:11,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 18:56:11,979 INFO L471 AbstractCegarLoop]: Abstraction has 1877 states and 2585 transitions. [2024-11-07 18:56:11,979 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 18:56:11,979 INFO L276 IsEmpty]: Start isEmpty. Operand 1877 states and 2585 transitions. [2024-11-07 18:56:11,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-07 18:56:11,980 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 18:56:11,980 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 18:56:11,985 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 18:56:12,180 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 18:56:12,181 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 18:56:12,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 18:56:12,181 INFO L85 PathProgramCache]: Analyzing trace with hash -922136276, now seen corresponding path program 1 times [2024-11-07 18:56:12,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 18:56:12,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1718426002] [2024-11-07 18:56:12,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 18:56:12,181 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 18:56:12,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 18:56:12,183 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 18:56:12,184 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 18:56:12,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 18:56:12,338 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-07 18:56:12,339 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 18:56:12,356 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 18:56:12,357 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 18:56:12,357 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 18:56:12,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1718426002] [2024-11-07 18:56:12,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1718426002] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 18:56:12,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 18:56:12,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 18:56:12,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390052491] [2024-11-07 18:56:12,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 18:56:12,358 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 18:56:12,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 18:56:12,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 18:56:12,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 18:56:12,358 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 18:56:12,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 18:56:12,392 INFO L93 Difference]: Finished difference Result 1781 states and 2413 transitions. [2024-11-07 18:56:12,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 18:56:12,393 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 18:56:12,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 18:56:12,400 INFO L225 Difference]: With dead ends: 1781 [2024-11-07 18:56:12,401 INFO L226 Difference]: Without dead ends: 1781 [2024-11-07 18:56:12,401 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 18:56:12,402 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 18:56:12,402 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 18:56:12,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1781 states. [2024-11-07 18:56:12,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1781 to 1781. [2024-11-07 18:56:12,430 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 18:56:12,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1781 states to 1781 states and 2413 transitions. [2024-11-07 18:56:12,438 INFO L78 Accepts]: Start accepts. Automaton has 1781 states and 2413 transitions. Word has length 13 [2024-11-07 18:56:12,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 18:56:12,439 INFO L471 AbstractCegarLoop]: Abstraction has 1781 states and 2413 transitions. [2024-11-07 18:56:12,439 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 18:56:12,439 INFO L276 IsEmpty]: Start isEmpty. Operand 1781 states and 2413 transitions. [2024-11-07 18:56:12,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-07 18:56:12,440 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 18:56:12,440 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 18:56:12,445 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 18:56:12,644 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 18:56:12,645 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 18:56:12,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 18:56:12,646 INFO L85 PathProgramCache]: Analyzing trace with hash -1177229704, now seen corresponding path program 1 times [2024-11-07 18:56:12,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 18:56:12,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [569575085] [2024-11-07 18:56:12,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 18:56:12,646 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 18:56:12,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 18:56:12,649 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 18:56:12,651 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 18:56:12,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 18:56:12,843 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 18:56:12,845 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 18:56:12,852 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-07 18:56:12,853 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-07 18:56:12,853 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-07 18:56:12,858 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 18:56:12,935 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-07 18:56:12,935 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 18:56:12,948 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 18:56:12,948 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 18:56:12,948 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 18:56:12,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [569575085] [2024-11-07 18:56:12,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [569575085] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 18:56:12,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 18:56:12,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 18:56:12,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932912333] [2024-11-07 18:56:12,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 18:56:12,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 18:56:12,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 18:56:12,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 18:56:12,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 18:56:12,949 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 18:56:13,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 18:56:13,379 INFO L93 Difference]: Finished difference Result 2505 states and 2939 transitions. [2024-11-07 18:56:13,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 18:56:13,380 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 18:56:13,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 18:56:13,388 INFO L225 Difference]: With dead ends: 2505 [2024-11-07 18:56:13,388 INFO L226 Difference]: Without dead ends: 2505 [2024-11-07 18:56:13,388 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 18:56:13,389 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, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 18:56:13,389 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1121 Valid, 4096 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 18:56:13,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2505 states. [2024-11-07 18:56:13,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2505 to 1446. [2024-11-07 18:56:13,412 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 18:56:13,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1446 states to 1446 states and 1756 transitions. [2024-11-07 18:56:13,420 INFO L78 Accepts]: Start accepts. Automaton has 1446 states and 1756 transitions. Word has length 16 [2024-11-07 18:56:13,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 18:56:13,420 INFO L471 AbstractCegarLoop]: Abstraction has 1446 states and 1756 transitions. [2024-11-07 18:56:13,420 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 18:56:13,421 INFO L276 IsEmpty]: Start isEmpty. Operand 1446 states and 1756 transitions. [2024-11-07 18:56:13,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-07 18:56:13,421 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 18:56:13,421 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 18:56:13,428 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 18:56:13,621 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 18:56:13,622 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 18:56:13,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 18:56:13,622 INFO L85 PathProgramCache]: Analyzing trace with hash -1057218028, now seen corresponding path program 1 times [2024-11-07 18:56:13,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 18:56:13,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [348797975] [2024-11-07 18:56:13,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 18:56:13,623 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 18:56:13,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 18:56:13,625 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 18:56:13,626 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 18:56:13,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 18:56:13,801 INFO L255 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-07 18:56:13,803 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 18:56:13,809 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 18:56:13,810 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 18:56:13,810 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 18:56:13,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [348797975] [2024-11-07 18:56:13,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [348797975] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 18:56:13,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 18:56:13,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 18:56:13,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520416266] [2024-11-07 18:56:13,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 18:56:13,810 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 18:56:13,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 18:56:13,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 18:56:13,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 18:56:13,811 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 18:56:13,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 18:56:13,837 INFO L93 Difference]: Finished difference Result 1386 states and 1670 transitions. [2024-11-07 18:56:13,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 18:56:13,838 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 18:56:13,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 18:56:13,841 INFO L225 Difference]: With dead ends: 1386 [2024-11-07 18:56:13,841 INFO L226 Difference]: Without dead ends: 1386 [2024-11-07 18:56:13,841 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 18:56:13,842 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 18:56:13,842 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 18:56:13,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1386 states. [2024-11-07 18:56:13,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1386 to 1386. [2024-11-07 18:56:13,859 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 18:56:13,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1386 states to 1386 states and 1670 transitions. [2024-11-07 18:56:13,862 INFO L78 Accepts]: Start accepts. Automaton has 1386 states and 1670 transitions. Word has length 19 [2024-11-07 18:56:13,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 18:56:13,862 INFO L471 AbstractCegarLoop]: Abstraction has 1386 states and 1670 transitions. [2024-11-07 18:56:13,863 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 18:56:13,863 INFO L276 IsEmpty]: Start isEmpty. Operand 1386 states and 1670 transitions. [2024-11-07 18:56:13,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-07 18:56:13,863 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 18:56:13,863 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 18:56:13,871 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 18:56:14,064 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 18:56:14,064 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 18:56:14,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 18:56:14,065 INFO L85 PathProgramCache]: Analyzing trace with hash 1920722190, now seen corresponding path program 1 times [2024-11-07 18:56:14,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 18:56:14,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [541271991] [2024-11-07 18:56:14,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 18:56:14,065 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 18:56:14,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 18:56:14,068 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 18:56:14,069 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 18:56:14,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 18:56:14,245 INFO L255 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 18:56:14,247 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 18:56:14,260 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 18:56:14,261 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 18:56:14,261 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 18:56:14,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [541271991] [2024-11-07 18:56:14,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [541271991] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 18:56:14,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 18:56:14,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 18:56:14,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123997279] [2024-11-07 18:56:14,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 18:56:14,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 18:56:14,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 18:56:14,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 18:56:14,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 18:56:14,262 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 18:56:14,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 18:56:14,324 INFO L93 Difference]: Finished difference Result 1356 states and 1612 transitions. [2024-11-07 18:56:14,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 18:56:14,324 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 18:56:14,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 18:56:14,327 INFO L225 Difference]: With dead ends: 1356 [2024-11-07 18:56:14,327 INFO L226 Difference]: Without dead ends: 1356 [2024-11-07 18:56:14,327 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 18:56:14,328 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 18:56:14,328 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 18:56:14,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1356 states. [2024-11-07 18:56:14,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1356 to 1356. [2024-11-07 18:56:14,344 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 18:56:14,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1356 states to 1356 states and 1612 transitions. [2024-11-07 18:56:14,348 INFO L78 Accepts]: Start accepts. Automaton has 1356 states and 1612 transitions. Word has length 21 [2024-11-07 18:56:14,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 18:56:14,348 INFO L471 AbstractCegarLoop]: Abstraction has 1356 states and 1612 transitions. [2024-11-07 18:56:14,348 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 18:56:14,348 INFO L276 IsEmpty]: Start isEmpty. Operand 1356 states and 1612 transitions. [2024-11-07 18:56:14,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-07 18:56:14,349 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 18:56:14,349 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 18:56:14,356 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 18:56:14,550 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 18:56:14,550 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 18:56:14,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 18:56:14,551 INFO L85 PathProgramCache]: Analyzing trace with hash -956254243, now seen corresponding path program 1 times [2024-11-07 18:56:14,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 18:56:14,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1176004590] [2024-11-07 18:56:14,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 18:56:14,551 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 18:56:14,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 18:56:14,555 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 18:56:14,557 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 18:56:14,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 18:56:14,745 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-07 18:56:14,748 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 18:56:14,760 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 18:56:14,974 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 18:56:14,974 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 18:56:14,974 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 18:56:14,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1176004590] [2024-11-07 18:56:14,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1176004590] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 18:56:14,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 18:56:14,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 18:56:14,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656689852] [2024-11-07 18:56:14,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 18:56:14,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 18:56:14,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 18:56:14,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 18:56:14,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 18:56:14,976 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 18:56:18,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 18:56:18,074 INFO L93 Difference]: Finished difference Result 1909 states and 2292 transitions. [2024-11-07 18:56:18,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 18:56:18,074 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 18:56:18,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 18:56:18,079 INFO L225 Difference]: With dead ends: 1909 [2024-11-07 18:56:18,079 INFO L226 Difference]: Without dead ends: 1909 [2024-11-07 18:56:18,079 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 18:56:18,080 INFO L432 NwaCegarLoop]: 1387 mSDtfsCounter, 594 mSDsluCounter, 2271 mSDsCounter, 0 mSdLazyCounter, 2304 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s 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, 3.0s IncrementalHoareTripleChecker+Time [2024-11-07 18:56:18,080 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [596 Valid, 3658 Invalid, 2308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2304 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-07 18:56:18,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1909 states. [2024-11-07 18:56:18,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1909 to 1352. [2024-11-07 18:56:18,096 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 18:56:18,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1352 states to 1352 states and 1604 transitions. [2024-11-07 18:56:18,099 INFO L78 Accepts]: Start accepts. Automaton has 1352 states and 1604 transitions. Word has length 35 [2024-11-07 18:56:18,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 18:56:18,099 INFO L471 AbstractCegarLoop]: Abstraction has 1352 states and 1604 transitions. [2024-11-07 18:56:18,099 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 18:56:18,100 INFO L276 IsEmpty]: Start isEmpty. Operand 1352 states and 1604 transitions. [2024-11-07 18:56:18,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-07 18:56:18,100 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 18:56:18,100 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 18:56:18,108 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 18:56:18,301 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 18:56:18,301 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 18:56:18,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 18:56:18,302 INFO L85 PathProgramCache]: Analyzing trace with hash -956254244, now seen corresponding path program 1 times [2024-11-07 18:56:18,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 18:56:18,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2097790007] [2024-11-07 18:56:18,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 18:56:18,302 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 18:56:18,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 18:56:18,304 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 18:56:18,305 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 18:56:18,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 18:56:18,506 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 18:56:18,509 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 18:56:18,514 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 18:56:18,619 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 18:56:18,620 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 18:56:18,620 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 18:56:18,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2097790007] [2024-11-07 18:56:18,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2097790007] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 18:56:18,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 18:56:18,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 18:56:18,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640679849] [2024-11-07 18:56:18,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 18:56:18,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 18:56:18,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 18:56:18,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 18:56:18,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 18:56:18,621 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 18:56:20,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 18:56:20,887 INFO L93 Difference]: Finished difference Result 1778 states and 2151 transitions. [2024-11-07 18:56:20,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 18:56:20,887 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 18:56:20,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 18:56:20,892 INFO L225 Difference]: With dead ends: 1778 [2024-11-07 18:56:20,892 INFO L226 Difference]: Without dead ends: 1778 [2024-11-07 18:56:20,892 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 18:56:20,892 INFO L432 NwaCegarLoop]: 747 mSDtfsCounter, 810 mSDsluCounter, 1540 mSDsCounter, 0 mSdLazyCounter, 1870 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s 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, 2.2s IncrementalHoareTripleChecker+Time [2024-11-07 18:56:20,892 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [813 Valid, 2287 Invalid, 1878 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1870 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-07 18:56:20,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1778 states. [2024-11-07 18:56:20,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1778 to 1348. [2024-11-07 18:56:20,907 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 18:56:20,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1348 states to 1348 states and 1596 transitions. [2024-11-07 18:56:20,909 INFO L78 Accepts]: Start accepts. Automaton has 1348 states and 1596 transitions. Word has length 35 [2024-11-07 18:56:20,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 18:56:20,909 INFO L471 AbstractCegarLoop]: Abstraction has 1348 states and 1596 transitions. [2024-11-07 18:56:20,909 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 18:56:20,910 INFO L276 IsEmpty]: Start isEmpty. Operand 1348 states and 1596 transitions. [2024-11-07 18:56:20,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-07 18:56:20,910 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 18:56:20,910 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 18:56:20,918 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 18:56:21,111 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 18:56:21,111 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 18:56:21,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 18:56:21,112 INFO L85 PathProgramCache]: Analyzing trace with hash 103975123, now seen corresponding path program 1 times [2024-11-07 18:56:21,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 18:56:21,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1977967905] [2024-11-07 18:56:21,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 18:56:21,112 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 18:56:21,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 18:56:21,114 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 18:56:21,115 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 18:56:21,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 18:56:21,346 INFO L255 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 18:56:21,348 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 18:56:21,381 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 18:56:21,381 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 18:56:21,381 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 18:56:21,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1977967905] [2024-11-07 18:56:21,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1977967905] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 18:56:21,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 18:56:21,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 18:56:21,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492008844] [2024-11-07 18:56:21,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 18:56:21,382 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 18:56:21,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 18:56:21,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 18:56:21,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 18:56:21,383 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 18:56:21,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 18:56:21,430 INFO L93 Difference]: Finished difference Result 1336 states and 1576 transitions. [2024-11-07 18:56:21,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 18:56:21,431 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 18:56:21,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 18:56:21,434 INFO L225 Difference]: With dead ends: 1336 [2024-11-07 18:56:21,434 INFO L226 Difference]: Without dead ends: 1336 [2024-11-07 18:56:21,435 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 18:56:21,435 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 18:56:21,435 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 18:56:21,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1336 states. [2024-11-07 18:56:21,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1336 to 1336. [2024-11-07 18:56:21,453 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 18:56:21,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1336 states to 1336 states and 1576 transitions. [2024-11-07 18:56:21,454 INFO L78 Accepts]: Start accepts. Automaton has 1336 states and 1576 transitions. Word has length 55 [2024-11-07 18:56:21,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 18:56:21,455 INFO L471 AbstractCegarLoop]: Abstraction has 1336 states and 1576 transitions. [2024-11-07 18:56:21,455 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 18:56:21,455 INFO L276 IsEmpty]: Start isEmpty. Operand 1336 states and 1576 transitions. [2024-11-07 18:56:21,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-07 18:56:21,455 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 18:56:21,455 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 18:56:21,462 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 18:56:21,656 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 18:56:21,656 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 18:56:21,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 18:56:21,657 INFO L85 PathProgramCache]: Analyzing trace with hash -635878753, now seen corresponding path program 1 times [2024-11-07 18:56:21,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 18:56:21,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1554482976] [2024-11-07 18:56:21,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 18:56:21,657 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 18:56:21,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 18:56:21,659 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 18:56:21,662 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 18:56:22,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 18:56:22,050 INFO L255 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-07 18:56:22,053 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 18:56:22,085 INFO L349 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2024-11-07 18:56:22,085 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 18:56:22,146 INFO L349 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2024-11-07 18:56:22,146 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 18:56:22,574 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 18:56:22,576 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 18:56:22,576 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 18:56:22,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1554482976] [2024-11-07 18:56:22,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1554482976] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 18:56:22,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 18:56:22,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 18:56:22,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004805317] [2024-11-07 18:56:22,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 18:56:22,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 18:56:22,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 18:56:22,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 18:56:22,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-07 18:56:22,579 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 18:56:25,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 18:56:25,690 INFO L93 Difference]: Finished difference Result 2445 states and 2881 transitions. [2024-11-07 18:56:25,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 18:56:25,691 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 18:56:25,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 18:56:25,697 INFO L225 Difference]: With dead ends: 2445 [2024-11-07 18:56:25,698 INFO L226 Difference]: Without dead ends: 2445 [2024-11-07 18:56:25,698 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 18:56:25,698 INFO L432 NwaCegarLoop]: 893 mSDtfsCounter, 1945 mSDsluCounter, 1813 mSDsCounter, 0 mSdLazyCounter, 1993 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s 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, 3.0s IncrementalHoareTripleChecker+Time [2024-11-07 18:56:25,698 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1945 Valid, 2706 Invalid, 2025 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1993 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-07 18:56:25,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2445 states. [2024-11-07 18:56:25,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2445 to 1785. [2024-11-07 18:56:25,719 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 18:56:25,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1785 states to 1785 states and 2388 transitions. [2024-11-07 18:56:25,721 INFO L78 Accepts]: Start accepts. Automaton has 1785 states and 2388 transitions. Word has length 63 [2024-11-07 18:56:25,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 18:56:25,721 INFO L471 AbstractCegarLoop]: Abstraction has 1785 states and 2388 transitions. [2024-11-07 18:56:25,722 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 18:56:25,722 INFO L276 IsEmpty]: Start isEmpty. Operand 1785 states and 2388 transitions. [2024-11-07 18:56:25,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-07 18:56:25,722 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 18:56:25,722 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 18:56:25,732 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 (15)] Forceful destruction successful, exit code 0 [2024-11-07 18:56:25,922 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 18:56:25,923 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 18:56:25,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 18:56:25,923 INFO L85 PathProgramCache]: Analyzing trace with hash -635878752, now seen corresponding path program 1 times [2024-11-07 18:56:25,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 18:56:25,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1103752094] [2024-11-07 18:56:25,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 18:56:25,924 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 18:56:25,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 18:56:25,925 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 18:56:25,926 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 18:56:26,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 18:56:26,285 INFO L255 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-07 18:56:26,288 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 18:56:26,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-07 18:56:26,334 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 18:56:26,399 INFO L349 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2024-11-07 18:56:26,399 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 18:56:27,007 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 18:56:27,007 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 18:56:27,007 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 18:56:27,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1103752094] [2024-11-07 18:56:27,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1103752094] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 18:56:27,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 18:56:27,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 18:56:27,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962563289] [2024-11-07 18:56:27,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 18:56:27,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 18:56:27,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 18:56:27,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 18:56:27,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-07 18:56:27,008 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 18:56:29,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 18:56:29,086 INFO L93 Difference]: Finished difference Result 1790 states and 2394 transitions. [2024-11-07 18:56:29,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 18:56:29,087 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 18:56:29,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 18:56:29,091 INFO L225 Difference]: With dead ends: 1790 [2024-11-07 18:56:29,091 INFO L226 Difference]: Without dead ends: 1790 [2024-11-07 18:56:29,092 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 18:56:29,092 INFO L432 NwaCegarLoop]: 1130 mSDtfsCounter, 58 mSDsluCounter, 1253 mSDsCounter, 0 mSdLazyCounter, 1127 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s 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, 2.0s IncrementalHoareTripleChecker+Time [2024-11-07 18:56:29,092 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 2383 Invalid, 1129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1127 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-07 18:56:29,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1790 states. [2024-11-07 18:56:29,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1790 to 1790. [2024-11-07 18:56:29,116 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 18:56:29,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1790 states to 1790 states and 2394 transitions. [2024-11-07 18:56:29,119 INFO L78 Accepts]: Start accepts. Automaton has 1790 states and 2394 transitions. Word has length 63 [2024-11-07 18:56:29,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 18:56:29,120 INFO L471 AbstractCegarLoop]: Abstraction has 1790 states and 2394 transitions. [2024-11-07 18:56:29,120 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 18:56:29,121 INFO L276 IsEmpty]: Start isEmpty. Operand 1790 states and 2394 transitions. [2024-11-07 18:56:29,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-07 18:56:29,121 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 18:56:29,121 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 18:56:29,132 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 18:56:29,322 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 18:56:29,322 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 18:56:29,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 18:56:29,322 INFO L85 PathProgramCache]: Analyzing trace with hash 735482981, now seen corresponding path program 1 times [2024-11-07 18:56:29,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 18:56:29,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1035568557] [2024-11-07 18:56:29,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 18:56:29,323 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 18:56:29,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 18:56:29,325 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 18:56:29,335 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 18:56:29,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 18:56:29,614 INFO L255 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 18:56:29,615 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 18:56:29,653 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 18:56:29,653 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 18:56:29,653 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 18:56:29,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1035568557] [2024-11-07 18:56:29,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1035568557] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 18:56:29,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 18:56:29,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 18:56:29,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808308226] [2024-11-07 18:56:29,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 18:56:29,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 18:56:29,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 18:56:29,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 18:56:29,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 18:56:29,654 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 18:56:29,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 18:56:29,737 INFO L93 Difference]: Finished difference Result 1816 states and 2421 transitions. [2024-11-07 18:56:29,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 18:56:29,738 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 18:56:29,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 18:56:29,743 INFO L225 Difference]: With dead ends: 1816 [2024-11-07 18:56:29,743 INFO L226 Difference]: Without dead ends: 1816 [2024-11-07 18:56:29,743 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 18:56:29,744 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, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 18:56:29,744 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 5720 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 18:56:29,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1816 states. [2024-11-07 18:56:29,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1816 to 1814. [2024-11-07 18:56:29,772 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 18:56:29,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1814 states to 1814 states and 2421 transitions. [2024-11-07 18:56:29,775 INFO L78 Accepts]: Start accepts. Automaton has 1814 states and 2421 transitions. Word has length 71 [2024-11-07 18:56:29,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 18:56:29,775 INFO L471 AbstractCegarLoop]: Abstraction has 1814 states and 2421 transitions. [2024-11-07 18:56:29,776 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 18:56:29,776 INFO L276 IsEmpty]: Start isEmpty. Operand 1814 states and 2421 transitions. [2024-11-07 18:56:29,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-07 18:56:29,776 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 18:56:29,777 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 18:56:29,785 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 18:56:29,977 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 18:56:29,977 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 18:56:29,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 18:56:29,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1006494928, now seen corresponding path program 1 times [2024-11-07 18:56:29,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 18:56:29,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [425376354] [2024-11-07 18:56:29,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 18:56:29,978 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 18:56:29,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 18:56:29,980 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 18:56:29,981 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 (18)] Waiting until timeout for monitored process [2024-11-07 18:56:30,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 18:56:30,231 INFO L255 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-07 18:56:30,233 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 18:56:30,333 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 18:56:30,333 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 18:56:30,333 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 18:56:30,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [425376354] [2024-11-07 18:56:30,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [425376354] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 18:56:30,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 18:56:30,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 18:56:30,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316867234] [2024-11-07 18:56:30,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 18:56:30,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 18:56:30,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 18:56:30,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 18:56:30,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 18:56:30,335 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 18:56:30,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 18:56:30,528 INFO L93 Difference]: Finished difference Result 1826 states and 2435 transitions. [2024-11-07 18:56:30,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 18:56:30,529 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 18:56:30,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 18:56:30,537 INFO L225 Difference]: With dead ends: 1826 [2024-11-07 18:56:30,537 INFO L226 Difference]: Without dead ends: 1826 [2024-11-07 18:56:30,537 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 18:56:30,538 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 18:56:30,538 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 18:56:30,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1826 states. [2024-11-07 18:56:30,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1826 to 1817. [2024-11-07 18:56:30,564 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 18:56:30,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1817 states to 1817 states and 2424 transitions. [2024-11-07 18:56:30,570 INFO L78 Accepts]: Start accepts. Automaton has 1817 states and 2424 transitions. Word has length 69 [2024-11-07 18:56:30,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 18:56:30,571 INFO L471 AbstractCegarLoop]: Abstraction has 1817 states and 2424 transitions. [2024-11-07 18:56:30,571 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 18:56:30,571 INFO L276 IsEmpty]: Start isEmpty. Operand 1817 states and 2424 transitions. [2024-11-07 18:56:30,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-07 18:56:30,571 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 18:56:30,571 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 18:56:30,582 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 (18)] Forceful destruction successful, exit code 0 [2024-11-07 18:56:30,772 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 18:56:30,772 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 18:56:30,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 18:56:30,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1237454463, now seen corresponding path program 1 times [2024-11-07 18:56:30,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 18:56:30,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [991685910] [2024-11-07 18:56:30,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 18:56:30,773 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 18:56:30,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 18:56:30,775 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 18:56:30,776 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 18:56:31,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 18:56:31,191 INFO L255 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-07 18:56:31,194 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 18:56:31,197 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 18:56:31,304 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 18:56:31,326 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2024-11-07 18:56:31,326 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 18:56:31,338 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 18:56:31,338 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 18:56:31,338 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 18:56:31,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [991685910] [2024-11-07 18:56:31,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [991685910] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 18:56:31,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 18:56:31,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 18:56:31,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631873712] [2024-11-07 18:56:31,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 18:56:31,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 18:56:31,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 18:56:31,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 18:56:31,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2024-11-07 18:56:31,340 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 18:56:33,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 18:56:33,859 INFO L93 Difference]: Finished difference Result 2238 states and 2969 transitions. [2024-11-07 18:56:33,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 18:56:33,859 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 18:56:33,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 18:56:33,865 INFO L225 Difference]: With dead ends: 2238 [2024-11-07 18:56:33,866 INFO L226 Difference]: Without dead ends: 2238 [2024-11-07 18:56:33,866 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 18:56:33,866 INFO L432 NwaCegarLoop]: 710 mSDtfsCounter, 771 mSDsluCounter, 1474 mSDsCounter, 0 mSdLazyCounter, 1922 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s 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, 2.4s IncrementalHoareTripleChecker+Time [2024-11-07 18:56:33,866 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [774 Valid, 2184 Invalid, 3483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 1922 Invalid, 0 Unknown, 1538 Unchecked, 2.4s Time] [2024-11-07 18:56:33,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2238 states. [2024-11-07 18:56:33,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2238 to 1816. [2024-11-07 18:56:33,889 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 18:56:33,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1816 states to 1816 states and 2422 transitions. [2024-11-07 18:56:33,892 INFO L78 Accepts]: Start accepts. Automaton has 1816 states and 2422 transitions. Word has length 74 [2024-11-07 18:56:33,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 18:56:33,892 INFO L471 AbstractCegarLoop]: Abstraction has 1816 states and 2422 transitions. [2024-11-07 18:56:33,892 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 18:56:33,893 INFO L276 IsEmpty]: Start isEmpty. Operand 1816 states and 2422 transitions. [2024-11-07 18:56:33,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-07 18:56:33,893 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 18:56:33,893 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 18:56:33,904 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 (19)] Ended with exit code 0 [2024-11-07 18:56:34,094 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 18:56:34,094 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 18:56:34,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 18:56:34,094 INFO L85 PathProgramCache]: Analyzing trace with hash 1237454464, now seen corresponding path program 1 times [2024-11-07 18:56:34,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 18:56:34,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1065585488] [2024-11-07 18:56:34,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 18:56:34,095 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 18:56:34,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 18:56:34,097 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 18:56:34,098 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 18:56:34,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 18:56:34,539 INFO L255 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-07 18:56:34,541 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 18:56:34,550 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 18:56:34,557 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 18:56:34,996 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 18:56:35,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-07 18:56:35,009 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 18:56:35,023 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-07 18:56:35,023 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 18:56:35,038 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 18:56:35,038 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 18:56:35,038 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 18:56:35,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1065585488] [2024-11-07 18:56:35,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1065585488] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 18:56:35,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 18:56:35,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 18:56:35,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762896848] [2024-11-07 18:56:35,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 18:56:35,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 18:56:35,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 18:56:35,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 18:56:35,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=21, Unknown=1, NotChecked=8, Total=42 [2024-11-07 18:56:35,041 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 18:56:39,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 18:56:39,473 INFO L93 Difference]: Finished difference Result 2914 states and 3878 transitions. [2024-11-07 18:56:39,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 18:56:39,474 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 18:56:39,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 18:56:39,480 INFO L225 Difference]: With dead ends: 2914 [2024-11-07 18:56:39,481 INFO L226 Difference]: Without dead ends: 2914 [2024-11-07 18:56:39,481 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=28, Unknown=1, NotChecked=10, Total=56 [2024-11-07 18:56:39,481 INFO L432 NwaCegarLoop]: 1207 mSDtfsCounter, 1477 mSDsluCounter, 1634 mSDsCounter, 0 mSdLazyCounter, 3379 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s 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, 4.3s IncrementalHoareTripleChecker+Time [2024-11-07 18:56:39,482 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1480 Valid, 2841 Invalid, 5429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 3379 Invalid, 0 Unknown, 2022 Unchecked, 4.3s Time] [2024-11-07 18:56:39,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2914 states. [2024-11-07 18:56:39,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2914 to 1808. [2024-11-07 18:56:39,506 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 18:56:39,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1808 states to 1808 states and 2406 transitions. [2024-11-07 18:56:39,510 INFO L78 Accepts]: Start accepts. Automaton has 1808 states and 2406 transitions. Word has length 74 [2024-11-07 18:56:39,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 18:56:39,510 INFO L471 AbstractCegarLoop]: Abstraction has 1808 states and 2406 transitions. [2024-11-07 18:56:39,510 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 18:56:39,510 INFO L276 IsEmpty]: Start isEmpty. Operand 1808 states and 2406 transitions. [2024-11-07 18:56:39,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-07 18:56:39,511 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 18:56:39,511 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 18:56:39,521 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 18:56:39,711 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 18:56:39,712 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 18:56:39,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 18:56:39,712 INFO L85 PathProgramCache]: Analyzing trace with hash -948585261, now seen corresponding path program 1 times [2024-11-07 18:56:39,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 18:56:39,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [40258330] [2024-11-07 18:56:39,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 18:56:39,713 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 18:56:39,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 18:56:39,714 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 18:56:39,715 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 18:56:40,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 18:56:40,052 INFO L255 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-07 18:56:40,054 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 18:56:40,058 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 18:56:40,074 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 18:56:40,093 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 18:56:40,119 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 18:56:40,119 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 18:56:40,119 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 18:56:40,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [40258330] [2024-11-07 18:56:40,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [40258330] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 18:56:40,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 18:56:40,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 18:56:40,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053466721] [2024-11-07 18:56:40,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 18:56:40,119 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 18:56:40,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 18:56:40,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 18:56:40,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-07 18:56:40,120 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 18:56:43,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 18:56:43,349 INFO L93 Difference]: Finished difference Result 1823 states and 2422 transitions. [2024-11-07 18:56:43,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 18:56:43,349 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 18:56:43,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 18:56:43,353 INFO L225 Difference]: With dead ends: 1823 [2024-11-07 18:56:43,353 INFO L226 Difference]: Without dead ends: 1823 [2024-11-07 18:56:43,354 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 18:56:43,355 INFO L432 NwaCegarLoop]: 1132 mSDtfsCounter, 16 mSDsluCounter, 3731 mSDsCounter, 0 mSdLazyCounter, 3116 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s 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, 3.1s IncrementalHoareTripleChecker+Time [2024-11-07 18:56:43,355 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 4863 Invalid, 3118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 3116 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-07 18:56:43,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1823 states. [2024-11-07 18:56:43,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1823 to 1822. [2024-11-07 18:56:43,401 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 18:56:43,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1822 states to 1822 states and 2422 transitions. [2024-11-07 18:56:43,405 INFO L78 Accepts]: Start accepts. Automaton has 1822 states and 2422 transitions. Word has length 81 [2024-11-07 18:56:43,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 18:56:43,406 INFO L471 AbstractCegarLoop]: Abstraction has 1822 states and 2422 transitions. [2024-11-07 18:56:43,406 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 18:56:43,406 INFO L276 IsEmpty]: Start isEmpty. Operand 1822 states and 2422 transitions. [2024-11-07 18:56:43,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-07 18:56:43,407 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 18:56:43,407 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 18:56:43,417 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 18:56:43,607 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 18:56:43,608 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 18:56:43,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 18:56:43,609 INFO L85 PathProgramCache]: Analyzing trace with hash 658628057, now seen corresponding path program 1 times [2024-11-07 18:56:43,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 18:56:43,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [383643513] [2024-11-07 18:56:43,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 18:56:43,609 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 18:56:43,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 18:56:43,612 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 18:56:43,615 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 18:56:43,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 18:56:43,964 INFO L255 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-07 18:56:43,966 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 18:56:43,983 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 18:56:44,013 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 18:56:44,021 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 18:56:44,050 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 18:56:44,110 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 18:56:44,110 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 18:56:44,110 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 18:56:44,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [383643513] [2024-11-07 18:56:44,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [383643513] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 18:56:44,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 18:56:44,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 18:56:44,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057256257] [2024-11-07 18:56:44,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 18:56:44,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 18:56:44,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 18:56:44,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 18:56:44,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-07 18:56:44,111 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 18:56:48,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 18:56:48,277 INFO L93 Difference]: Finished difference Result 1822 states and 2420 transitions. [2024-11-07 18:56:48,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 18:56:48,277 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 18:56:48,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 18:56:48,280 INFO L225 Difference]: With dead ends: 1822 [2024-11-07 18:56:48,280 INFO L226 Difference]: Without dead ends: 1822 [2024-11-07 18:56:48,280 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 18:56:48,281 INFO L432 NwaCegarLoop]: 1128 mSDtfsCounter, 13 mSDsluCounter, 4710 mSDsCounter, 0 mSdLazyCounter, 3279 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s 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, 4.1s IncrementalHoareTripleChecker+Time [2024-11-07 18:56:48,281 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 5838 Invalid, 3280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3279 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2024-11-07 18:56:48,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1822 states. [2024-11-07 18:56:48,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1822 to 1822. [2024-11-07 18:56:48,298 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 18:56:48,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1822 states to 1822 states and 2420 transitions. [2024-11-07 18:56:48,302 INFO L78 Accepts]: Start accepts. Automaton has 1822 states and 2420 transitions. Word has length 82 [2024-11-07 18:56:48,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 18:56:48,302 INFO L471 AbstractCegarLoop]: Abstraction has 1822 states and 2420 transitions. [2024-11-07 18:56:48,302 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 18:56:48,303 INFO L276 IsEmpty]: Start isEmpty. Operand 1822 states and 2420 transitions. [2024-11-07 18:56:48,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-07 18:56:48,303 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 18:56:48,303 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 18:56:48,316 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 (22)] Forceful destruction successful, exit code 0 [2024-11-07 18:56:48,504 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 18:56:48,504 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 18:56:48,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 18:56:48,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1486914519, now seen corresponding path program 1 times [2024-11-07 18:56:48,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 18:56:48,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1028154344] [2024-11-07 18:56:48,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 18:56:48,505 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 18:56:48,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 18:56:48,507 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 18:56:48,508 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 18:56:48,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 18:56:48,843 INFO L255 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 18:56:48,846 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 18:56:48,880 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 18:56:48,881 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 18:56:48,881 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 18:56:48,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1028154344] [2024-11-07 18:56:48,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1028154344] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 18:56:48,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 18:56:48,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 18:56:48,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858665461] [2024-11-07 18:56:48,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 18:56:48,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 18:56:48,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 18:56:48,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 18:56:48,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 18:56:48,882 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 18:56:48,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 18:56:48,932 INFO L93 Difference]: Finished difference Result 1838 states and 2438 transitions. [2024-11-07 18:56:48,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 18:56:48,933 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 18:56:48,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 18:56:48,938 INFO L225 Difference]: With dead ends: 1838 [2024-11-07 18:56:48,938 INFO L226 Difference]: Without dead ends: 1832 [2024-11-07 18:56:48,938 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 18:56:48,939 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 18:56:48,939 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 18:56:48,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1832 states. [2024-11-07 18:56:48,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1832 to 1832. [2024-11-07 18:56:48,959 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 18:56:48,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1832 states to 1832 states and 2432 transitions. [2024-11-07 18:56:48,977 INFO L78 Accepts]: Start accepts. Automaton has 1832 states and 2432 transitions. Word has length 89 [2024-11-07 18:56:48,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 18:56:48,977 INFO L471 AbstractCegarLoop]: Abstraction has 1832 states and 2432 transitions. [2024-11-07 18:56:48,977 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 18:56:48,977 INFO L276 IsEmpty]: Start isEmpty. Operand 1832 states and 2432 transitions. [2024-11-07 18:56:48,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-07 18:56:48,978 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 18:56:48,978 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 18:56:48,989 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 18:56:49,182 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 18:56:49,183 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 18:56:49,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 18:56:49,184 INFO L85 PathProgramCache]: Analyzing trace with hash 400224857, now seen corresponding path program 1 times [2024-11-07 18:56:49,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 18:56:49,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [260561453] [2024-11-07 18:56:49,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 18:56:49,185 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 18:56:49,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 18:56:49,189 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 18:56:49,191 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 18:56:49,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 18:56:49,539 INFO L255 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-07 18:56:49,542 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 18:56:49,590 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 18:56:49,590 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 18:56:49,690 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 18:56:49,690 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 18:56:49,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [260561453] [2024-11-07 18:56:49,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [260561453] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 18:56:49,690 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 18:56:49,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-07 18:56:49,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200898167] [2024-11-07 18:56:49,690 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 18:56:49,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 18:56:49,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 18:56:49,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 18:56:49,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-07 18:56:49,691 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 18:56:49,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 18:56:49,842 INFO L93 Difference]: Finished difference Result 1858 states and 2462 transitions. [2024-11-07 18:56:49,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 18:56:49,844 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 18:56:49,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 18:56:49,847 INFO L225 Difference]: With dead ends: 1858 [2024-11-07 18:56:49,848 INFO L226 Difference]: Without dead ends: 1846 [2024-11-07 18:56:49,848 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 18:56:49,849 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 18:56:49,849 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 18:56:49,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1846 states. [2024-11-07 18:56:49,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1846 to 1840. [2024-11-07 18:56:49,862 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 18:56:49,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1840 states to 1840 states and 2442 transitions. [2024-11-07 18:56:49,864 INFO L78 Accepts]: Start accepts. Automaton has 1840 states and 2442 transitions. Word has length 90 [2024-11-07 18:56:49,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 18:56:49,865 INFO L471 AbstractCegarLoop]: Abstraction has 1840 states and 2442 transitions. [2024-11-07 18:56:49,865 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 18:56:49,865 INFO L276 IsEmpty]: Start isEmpty. Operand 1840 states and 2442 transitions. [2024-11-07 18:56:49,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-07 18:56:49,865 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 18:56:49,865 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 18:56:49,877 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 18:56:50,066 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 18:56:50,066 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 18:56:50,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 18:56:50,066 INFO L85 PathProgramCache]: Analyzing trace with hash -1962339241, now seen corresponding path program 2 times [2024-11-07 18:56:50,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 18:56:50,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [82434571] [2024-11-07 18:56:50,067 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 18:56:50,067 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 18:56:50,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 18:56:50,069 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 18:56:50,070 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 18:56:50,781 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 18:56:50,782 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 18:56:50,796 INFO L255 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-07 18:56:50,798 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 18:56:50,893 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 18:56:50,894 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 18:56:51,109 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 18:56:51,110 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 18:56:51,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [82434571] [2024-11-07 18:56:51,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [82434571] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 18:56:51,110 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 18:56:51,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2024-11-07 18:56:51,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095485183] [2024-11-07 18:56:51,110 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 18:56:51,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-07 18:56:51,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 18:56:51,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-07 18:56:51,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2024-11-07 18:56:51,111 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 18:56:51,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 18:56:51,555 INFO L93 Difference]: Finished difference Result 1876 states and 2492 transitions. [2024-11-07 18:56:51,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-07 18:56:51,556 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 18:56:51,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 18:56:51,571 INFO L225 Difference]: With dead ends: 1876 [2024-11-07 18:56:51,571 INFO L226 Difference]: Without dead ends: 1864 [2024-11-07 18:56:51,572 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 18:56:51,572 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 18:56:51,573 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 18:56:51,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1864 states. [2024-11-07 18:56:51,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1864 to 1858. [2024-11-07 18:56:51,591 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 18:56:51,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1858 states to 1858 states and 2466 transitions. [2024-11-07 18:56:51,595 INFO L78 Accepts]: Start accepts. Automaton has 1858 states and 2466 transitions. Word has length 93 [2024-11-07 18:56:51,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 18:56:51,595 INFO L471 AbstractCegarLoop]: Abstraction has 1858 states and 2466 transitions. [2024-11-07 18:56:51,595 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 18:56:51,595 INFO L276 IsEmpty]: Start isEmpty. Operand 1858 states and 2466 transitions. [2024-11-07 18:56:51,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-07 18:56:51,596 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 18:56:51,596 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 18:56:51,609 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 18:56:51,796 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 18:56:51,797 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 18:56:51,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 18:56:51,798 INFO L85 PathProgramCache]: Analyzing trace with hash 860812567, now seen corresponding path program 3 times [2024-11-07 18:56:51,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 18:56:51,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1937677621] [2024-11-07 18:56:51,799 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-07 18:56:51,799 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 18:56:51,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 18:56:51,802 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 18:56:51,805 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 18:56:52,816 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-07 18:56:52,816 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 18:56:52,834 INFO L255 TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-07 18:56:52,837 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 18:56:53,006 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 18:56:53,006 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 18:56:53,590 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 18:56:53,590 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 18:56:53,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1937677621] [2024-11-07 18:56:53,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1937677621] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 18:56:53,590 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 18:56:53,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2024-11-07 18:56:53,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578105672] [2024-11-07 18:56:53,590 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 18:56:53,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-07 18:56:53,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 18:56:53,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-07 18:56:53,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=222, Invalid=534, Unknown=0, NotChecked=0, Total=756 [2024-11-07 18:56:53,592 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 18:56:55,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 18:56:55,506 INFO L93 Difference]: Finished difference Result 1912 states and 2550 transitions. [2024-11-07 18:56:55,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-07 18:56:55,507 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 18:56:55,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 18:56:55,510 INFO L225 Difference]: With dead ends: 1912 [2024-11-07 18:56:55,510 INFO L226 Difference]: Without dead ends: 1894 [2024-11-07 18:56:55,510 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 285 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=854, Invalid=1696, Unknown=0, NotChecked=0, Total=2550 [2024-11-07 18:56:55,511 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 18:56:55,511 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 18:56:55,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1894 states. [2024-11-07 18:56:55,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1894 to 1894. [2024-11-07 18:56:55,524 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 18:56:55,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1894 states to 1894 states and 2512 transitions. [2024-11-07 18:56:55,527 INFO L78 Accepts]: Start accepts. Automaton has 1894 states and 2512 transitions. Word has length 99 [2024-11-07 18:56:55,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 18:56:55,527 INFO L471 AbstractCegarLoop]: Abstraction has 1894 states and 2512 transitions. [2024-11-07 18:56:55,527 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 18:56:55,528 INFO L276 IsEmpty]: Start isEmpty. Operand 1894 states and 2512 transitions. [2024-11-07 18:56:55,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-07 18:56:55,528 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 18:56:55,528 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 18:56:55,543 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 18:56:55,728 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 18:56:55,729 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 18:56:55,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 18:56:55,729 INFO L85 PathProgramCache]: Analyzing trace with hash -451672425, now seen corresponding path program 4 times [2024-11-07 18:56:55,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 18:56:55,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [140694551] [2024-11-07 18:56:55,730 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-07 18:56:55,730 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 18:56:55,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 18:56:55,732 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 18:56:55,733 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 18:56:56,526 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-07 18:56:56,526 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 18:56:56,546 INFO L255 TraceCheckSpWp]: Trace formula consists of 685 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-07 18:56:56,548 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 18:56:56,998 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 18:56:56,998 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 18:56:58,385 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 18:56:58,385 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 18:56:58,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [140694551] [2024-11-07 18:56:58,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [140694551] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 18:56:58,385 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 18:56:58,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 52 [2024-11-07 18:56:58,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742240717] [2024-11-07 18:56:58,386 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 18:56:58,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-11-07 18:56:58,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 18:56:58,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-11-07 18:56:58,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=725, Invalid=1927, Unknown=0, NotChecked=0, Total=2652 [2024-11-07 18:56:58,388 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 18:57:06,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 18:57:06,617 INFO L93 Difference]: Finished difference Result 1980 states and 2662 transitions. [2024-11-07 18:57:06,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-11-07 18:57:06,618 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 18:57:06,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 18:57:06,622 INFO L225 Difference]: With dead ends: 1980 [2024-11-07 18:57:06,623 INFO L226 Difference]: Without dead ends: 1968 [2024-11-07 18:57:06,625 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1126 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=2955, Invalid=6357, Unknown=0, NotChecked=0, Total=9312 [2024-11-07 18:57:06,625 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, 1.7s IncrementalHoareTripleChecker+Time [2024-11-07 18:57:06,626 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 30571 Invalid, 1635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 1564 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-07 18:57:06,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1968 states. [2024-11-07 18:57:06,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1968 to 1962. [2024-11-07 18:57:06,648 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 18:57:06,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1962 states to 1962 states and 2604 transitions. [2024-11-07 18:57:06,651 INFO L78 Accepts]: Start accepts. Automaton has 1962 states and 2604 transitions. Word has length 111 [2024-11-07 18:57:06,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 18:57:06,652 INFO L471 AbstractCegarLoop]: Abstraction has 1962 states and 2604 transitions. [2024-11-07 18:57:06,652 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 18:57:06,652 INFO L276 IsEmpty]: Start isEmpty. Operand 1962 states and 2604 transitions. [2024-11-07 18:57:06,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-07 18:57:06,653 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 18:57:06,653 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 18:57:06,670 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 18:57:06,853 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 18:57:06,854 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 18:57:06,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 18:57:06,854 INFO L85 PathProgramCache]: Analyzing trace with hash 508361047, now seen corresponding path program 5 times [2024-11-07 18:57:06,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 18:57:06,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1541658923] [2024-11-07 18:57:06,855 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-07 18:57:06,855 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 18:57:06,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 18:57:06,857 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 18:57:06,858 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