./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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/AutomizerReach.xml', '-i', '../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness_negated.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-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 ! call(reach_error())) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '64bit', '--witnessprinter.graph.data.programhash', '7ca632cf4d0628a0bca8581d3487333a879c201a6e38711f70e5e296a0f6c548'] 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/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness_negated.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-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 ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7ca632cf4d0628a0bca8581d3487333a879c201a6e38711f70e5e296a0f6c548 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 12:01:42,548 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 12:01:42,648 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 12:01:42,654 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 12:01:42,654 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 12:01:42,689 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 12:01:42,691 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 12:01:42,692 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 12:01:42,692 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 12:01:42,693 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 12:01:42,693 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 12:01:42,693 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 12:01:42,694 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 12:01:42,694 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 12:01:42,694 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 12:01:42,694 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 12:01:42,694 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 12:01:42,694 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 12:01:42,695 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 12:01:42,695 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 12:01:42,695 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 12:01:42,695 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 12:01:42,695 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 12:01:42,695 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 12:01:42,695 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 12:01:42,695 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 12:01:42,695 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 12:01:42,695 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 12:01:42,695 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 12:01:42,695 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 12:01:42,695 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 12:01:42,695 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 12:01:42,695 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 12:01:42,696 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 12:01:42,696 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 12:01:42,696 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 12:01:42,696 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 12:01:42,696 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 12:01:42,696 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 12:01:42,696 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 ! call(reach_error())) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ca632cf4d0628a0bca8581d3487333a879c201a6e38711f70e5e296a0f6c548 [2024-11-07 12:01:43,038 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 12:01:43,049 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 12:01:43,052 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 12:01:43,055 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 12:01:43,056 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 12:01:43,057 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness_negated.i [2024-11-07 12:01:44,430 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 12:01:45,036 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 12:01:45,037 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness_negated.i [2024-11-07 12:01:45,086 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/dbf3783fb/24da16eba68c427abf72ea5923c91071/FLAG84d51f8de [2024-11-07 12:01:45,109 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/dbf3783fb/24da16eba68c427abf72ea5923c91071 [2024-11-07 12:01:45,113 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 12:01:45,114 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 12:01:45,116 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 12:01:45,116 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 12:01:45,121 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 12:01:45,122 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:01:45" (1/1) ... [2024-11-07 12:01:45,124 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7af21bd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:01:45, skipping insertion in model container [2024-11-07 12:01:45,125 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:01:45" (1/1) ... [2024-11-07 12:01:45,217 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 12:01:45,541 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness_negated.i[4499,4512] [2024-11-07 12:01:45,550 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness_negated.i[4559,4572] [2024-11-07 12:01:46,769 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:46,770 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:46,770 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:46,771 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:46,772 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:46,786 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:46,786 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:46,791 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:46,792 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:46,795 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:46,795 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:46,796 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:46,796 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:47,302 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:47,311 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:47,381 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:47,381 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:47,381 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:47,382 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:47,382 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:47,382 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:47,382 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:47,383 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:47,383 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:47,383 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:47,384 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:47,384 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:47,384 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:47,386 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:47,386 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:47,387 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:47,387 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:47,389 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:47,389 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:47,394 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:47,395 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:47,395 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:47,408 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 12:01:47,444 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 12:01:47,456 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness_negated.i[4499,4512] [2024-11-07 12:01:47,456 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness_negated.i[4559,4572] [2024-11-07 12:01:47,505 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:47,505 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:47,506 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:47,506 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:47,507 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:47,515 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:47,517 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:47,518 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:47,518 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:47,519 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:47,521 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:47,521 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:47,521 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:47,599 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:47,607 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:47,612 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7738-7749] [2024-11-07 12:01:47,636 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:47,639 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:47,639 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:47,639 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:47,639 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:47,640 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:47,640 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:47,641 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:47,641 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:47,641 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:47,642 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:47,642 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:47,642 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:47,643 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:47,643 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:47,644 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:47,644 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:47,645 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:47,646 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:47,651 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:47,651 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:47,652 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:01:47,716 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 12:01:47,918 INFO L204 MainTranslator]: Completed translation [2024-11-07 12:01:47,919 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:01:47 WrapperNode [2024-11-07 12:01:47,919 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 12:01:47,921 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 12:01:47,922 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 12:01:47,922 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 12:01:47,928 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:01:47" (1/1) ... [2024-11-07 12:01:48,014 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:01:47" (1/1) ... [2024-11-07 12:01:48,084 INFO L138 Inliner]: procedures = 687, calls = 1963, calls flagged for inlining = 61, calls inlined = 11, statements flattened = 791 [2024-11-07 12:01:48,085 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 12:01:48,086 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 12:01:48,086 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 12:01:48,086 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 12:01:48,100 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:01:47" (1/1) ... [2024-11-07 12:01:48,101 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:01:47" (1/1) ... [2024-11-07 12:01:48,113 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:01:47" (1/1) ... [2024-11-07 12:01:48,210 INFO L175 MemorySlicer]: Split 355 memory accesses to 8 slices as follows [238, 2, 7, 81, 5, 5, 3, 14]. 67 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [6, 2, 0, 5, 0, 0, 1, 5]. The 258 writes are split as follows [232, 0, 2, 17, 2, 2, 1, 2]. [2024-11-07 12:01:48,211 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:01:47" (1/1) ... [2024-11-07 12:01:48,211 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:01:47" (1/1) ... [2024-11-07 12:01:48,266 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:01:47" (1/1) ... [2024-11-07 12:01:48,276 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:01:47" (1/1) ... [2024-11-07 12:01:48,299 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:01:47" (1/1) ... [2024-11-07 12:01:48,310 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:01:47" (1/1) ... [2024-11-07 12:01:48,332 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 12:01:48,336 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 12:01:48,336 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 12:01:48,336 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 12:01:48,337 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:01:47" (1/1) ... [2024-11-07 12:01:48,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 12:01:48,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 12:01:48,373 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 12:01:48,377 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 12:01:48,401 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-07 12:01:48,401 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-07 12:01:48,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 12:01:48,401 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-07 12:01:48,401 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-07 12:01:48,402 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-07 12:01:48,402 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-07 12:01:48,402 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-07 12:01:48,402 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-07 12:01:48,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-07 12:01:48,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-07 12:01:48,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-07 12:01:48,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-07 12:01:48,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-07 12:01:48,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-07 12:01:48,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-07 12:01:48,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-07 12:01:48,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 12:01:48,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 12:01:48,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 12:01:48,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 12:01:48,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 12:01:48,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-07 12:01:48,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-07 12:01:48,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-07 12:01:48,403 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-07 12:01:48,403 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-07 12:01:48,403 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 12:01:48,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 12:01:48,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 12:01:48,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 12:01:48,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 12:01:48,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 12:01:48,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 12:01:48,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 12:01:48,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-07 12:01:48,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-07 12:01:48,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-07 12:01:48,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-07 12:01:48,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 12:01:48,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 12:01:48,405 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-07 12:01:48,405 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-07 12:01:48,406 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-07 12:01:48,406 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-07 12:01:48,406 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-07 12:01:48,406 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-07 12:01:48,406 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-07 12:01:48,406 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-07 12:01:48,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-07 12:01:48,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-07 12:01:48,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-07 12:01:48,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-07 12:01:48,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-07 12:01:48,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-07 12:01:48,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-07 12:01:48,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-07 12:01:48,406 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-07 12:01:48,406 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-07 12:01:48,406 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-07 12:01:48,406 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-07 12:01:48,406 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 12:01:48,406 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 12:01:48,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 12:01:48,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 12:01:48,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 12:01:48,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 12:01:48,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-07 12:01:48,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-07 12:01:48,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-07 12:01:48,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-07 12:01:48,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-07 12:01:48,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-07 12:01:48,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-07 12:01:48,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-07 12:01:48,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-07 12:01:48,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-07 12:01:48,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-07 12:01:48,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-07 12:01:48,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-07 12:01:48,407 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-07 12:01:48,407 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-07 12:01:48,407 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-07 12:01:48,407 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-07 12:01:48,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 12:01:48,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 12:01:48,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 12:01:48,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 12:01:48,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 12:01:48,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-07 12:01:48,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-07 12:01:48,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-07 12:01:48,407 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-07 12:01:48,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-07 12:01:48,407 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2024-11-07 12:01:48,407 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2024-11-07 12:01:48,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 12:01:48,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 12:01:48,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 12:01:48,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 12:01:48,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 12:01:48,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-07 12:01:48,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-07 12:01:48,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-07 12:01:48,751 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 12:01:48,753 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 12:01:55,273 INFO L? ?]: Removed 186 outVars from TransFormulas that were not future-live. [2024-11-07 12:01:55,273 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 12:01:55,288 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 12:01:55,289 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 12:01:55,289 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:01:55 BoogieIcfgContainer [2024-11-07 12:01:55,289 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 12:01:55,291 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 12:01:55,292 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 12:01:55,296 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 12:01:55,297 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:01:45" (1/3) ... [2024-11-07 12:01:55,297 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@541e5b14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:01:55, skipping insertion in model container [2024-11-07 12:01:55,297 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:01:47" (2/3) ... [2024-11-07 12:01:55,298 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@541e5b14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:01:55, skipping insertion in model container [2024-11-07 12:01:55,298 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:01:55" (3/3) ... [2024-11-07 12:01:55,299 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_s_swap_harness_negated.i [2024-11-07 12:01:55,314 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 12:01:55,314 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 12:01:55,392 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 12:01:55,407 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=LoopHeads, 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;@486157de, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 12:01:55,407 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 12:01:55,414 INFO L276 IsEmpty]: Start isEmpty. Operand has 218 states, 140 states have (on average 1.2214285714285715) internal successors, (171), 141 states have internal predecessors, (171), 59 states have call successors, (59), 17 states have call predecessors, (59), 17 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2024-11-07 12:01:55,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-07 12:01:55,431 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:01:55,432 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 12:01:55,433 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:01:55,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:01:55,439 INFO L85 PathProgramCache]: Analyzing trace with hash -1366410741, now seen corresponding path program 1 times [2024-11-07 12:01:55,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:01:55,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926963269] [2024-11-07 12:01:55,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:01:55,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:02:01,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:02,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 12:02:02,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:02,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 12:02:02,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:02,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 12:02:02,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:02,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 12:02:02,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:02,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 12:02:02,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:02,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 12:02:02,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:02,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 12:02:02,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:02,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 12:02:02,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:02,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 12:02:02,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:02,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 12:02:02,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:02,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 12:02:02,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:02,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 12:02:02,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:02,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 12:02:02,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:02,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 12:02:02,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:02,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 12:02:02,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:02,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-07 12:02:02,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:02,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 12:02:02,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:02,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-07 12:02:02,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:03,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 12:02:03,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:03,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-07 12:02:03,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:03,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-07 12:02:03,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:03,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 12:02:03,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:03,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 12:02:03,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:03,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 12:02:03,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:03,086 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2024-11-07 12:02:03,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:02:03,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926963269] [2024-11-07 12:02:03,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926963269] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:02:03,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 12:02:03,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 12:02:03,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496494807] [2024-11-07 12:02:03,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:02:03,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 12:02:03,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:02:03,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 12:02:03,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 12:02:03,121 INFO L87 Difference]: Start difference. First operand has 218 states, 140 states have (on average 1.2214285714285715) internal successors, (171), 141 states have internal predecessors, (171), 59 states have call successors, (59), 17 states have call predecessors, (59), 17 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-07 12:02:07,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 12:02:11,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.45s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 12:02:18,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 12:02:18,603 INFO L93 Difference]: Finished difference Result 439 states and 626 transitions. [2024-11-07 12:02:18,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 12:02:18,606 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 142 [2024-11-07 12:02:18,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 12:02:18,616 INFO L225 Difference]: With dead ends: 439 [2024-11-07 12:02:18,616 INFO L226 Difference]: Without dead ends: 239 [2024-11-07 12:02:18,623 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 12:02:18,627 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 167 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 143 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.7s IncrementalHoareTripleChecker+Time [2024-11-07 12:02:18,631 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 293 Invalid, 464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 319 Invalid, 2 Unknown, 0 Unchecked, 14.7s Time] [2024-11-07 12:02:18,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-11-07 12:02:18,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 213. [2024-11-07 12:02:18,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 136 states have (on average 1.2058823529411764) internal successors, (164), 137 states have internal predecessors, (164), 59 states have call successors, (59), 17 states have call predecessors, (59), 17 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-07 12:02:18,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 281 transitions. [2024-11-07 12:02:18,732 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 281 transitions. Word has length 142 [2024-11-07 12:02:18,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 12:02:18,734 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 281 transitions. [2024-11-07 12:02:18,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-07 12:02:18,735 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 281 transitions. [2024-11-07 12:02:18,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-07 12:02:18,743 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:02:18,743 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 12:02:18,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 12:02:18,744 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:02:18,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:02:18,745 INFO L85 PathProgramCache]: Analyzing trace with hash 2030466569, now seen corresponding path program 1 times [2024-11-07 12:02:18,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:02:18,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413219487] [2024-11-07 12:02:18,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:02:18,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:02:23,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:27,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 12:02:27,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:27,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 12:02:27,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:27,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 12:02:27,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:27,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 12:02:27,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:27,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 12:02:27,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:27,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 12:02:27,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:27,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 12:02:27,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:27,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 12:02:27,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:27,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 12:02:27,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:28,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 12:02:28,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:28,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 12:02:28,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:28,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 12:02:28,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:28,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 12:02:28,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:28,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 12:02:28,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:28,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 12:02:28,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:29,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-07 12:02:29,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:29,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 12:02:29,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:29,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-07 12:02:29,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:29,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 12:02:29,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:29,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-07 12:02:29,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:29,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-07 12:02:29,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:29,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 12:02:29,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:29,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 12:02:29,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:29,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 12:02:29,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:02:29,421 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2024-11-07 12:02:29,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:02:29,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413219487] [2024-11-07 12:02:29,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413219487] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:02:29,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 12:02:29,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 12:02:29,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117860822] [2024-11-07 12:02:29,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:02:29,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 12:02:29,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:02:29,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 12:02:29,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-07 12:02:29,424 INFO L87 Difference]: Start difference. First operand 213 states and 281 transitions. Second operand has 8 states, 7 states have (on average 6.857142857142857) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-07 12:02:33,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 12:02:37,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 12:02:55,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 12:02:55,842 INFO L93 Difference]: Finished difference Result 249 states and 333 transitions. [2024-11-07 12:02:55,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 12:02:55,842 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.857142857142857) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) Word has length 142 [2024-11-07 12:02:55,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 12:02:55,846 INFO L225 Difference]: With dead ends: 249 [2024-11-07 12:02:55,846 INFO L226 Difference]: Without dead ends: 247 [2024-11-07 12:02:55,847 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2024-11-07 12:02:55,848 INFO L432 NwaCegarLoop]: 187 mSDtfsCounter, 178 mSDsluCounter, 653 mSDsCounter, 0 mSdLazyCounter, 985 mSolverCounterSat, 139 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 840 SdHoareTripleChecker+Invalid, 1126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 985 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.8s IncrementalHoareTripleChecker+Time [2024-11-07 12:02:55,848 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 840 Invalid, 1126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 985 Invalid, 2 Unknown, 0 Unchecked, 23.8s Time] [2024-11-07 12:02:55,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2024-11-07 12:02:55,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 220. [2024-11-07 12:02:55,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 140 states have (on average 1.2) internal successors, (168), 142 states have internal predecessors, (168), 60 states have call successors, (60), 18 states have call predecessors, (60), 19 states have return successors, (62), 59 states have call predecessors, (62), 59 states have call successors, (62) [2024-11-07 12:02:55,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 290 transitions. [2024-11-07 12:02:55,883 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 290 transitions. Word has length 142 [2024-11-07 12:02:55,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 12:02:55,884 INFO L471 AbstractCegarLoop]: Abstraction has 220 states and 290 transitions. [2024-11-07 12:02:55,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.857142857142857) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-07 12:02:55,885 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 290 transitions. [2024-11-07 12:02:55,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-07 12:02:55,887 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:02:55,888 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 12:02:55,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 12:02:55,888 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:02:55,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:02:55,888 INFO L85 PathProgramCache]: Analyzing trace with hash -1906002031, now seen corresponding path program 1 times [2024-11-07 12:02:55,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:02:55,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855145125] [2024-11-07 12:02:55,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:02:55,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:03:00,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:01,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 12:03:01,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:01,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 12:03:01,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:01,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 12:03:01,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:01,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 12:03:01,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:01,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 12:03:01,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:01,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 12:03:01,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:01,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 12:03:01,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:01,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 12:03:01,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:01,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 12:03:01,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:02,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 12:03:02,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:02,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 12:03:02,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:02,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 12:03:02,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:02,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 12:03:02,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:02,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 12:03:02,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:02,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 12:03:02,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:02,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-07 12:03:02,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:02,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 12:03:02,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:02,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-07 12:03:02,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:02,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 12:03:02,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:02,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-07 12:03:02,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:02,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-07 12:03:02,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:02,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-07 12:03:02,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:02,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 12:03:02,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:02,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-07 12:03:02,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:03,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 12:03:03,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:03:03,579 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2024-11-07 12:03:03,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:03:03,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855145125] [2024-11-07 12:03:03,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855145125] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:03:03,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 12:03:03,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 12:03:03,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591981241] [2024-11-07 12:03:03,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:03:03,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 12:03:03,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:03:03,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 12:03:03,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-07 12:03:03,584 INFO L87 Difference]: Start difference. First operand 220 states and 290 transitions. Second operand has 8 states, 7 states have (on average 7.857142857142857) internal successors, (55), 6 states have internal predecessors, (55), 5 states have call successors, (24), 4 states have call predecessors, (24), 2 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2024-11-07 12:03:07,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []