./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.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_sift_either_harness.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', '3b33a1dc558667a4fcb18529533ebc713d63e8618dba1b7e6d3f152565826fd1'] 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_sift_either_harness.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 3b33a1dc558667a4fcb18529533ebc713d63e8618dba1b7e6d3f152565826fd1 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 12:00:18,811 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 12:00:18,935 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 12:00:18,943 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 12:00:18,943 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 12:00:18,971 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 12:00:18,974 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 12:00:18,975 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 12:00:18,975 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 12:00:18,976 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 12:00:18,976 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 12:00:18,977 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 12:00:18,977 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 12:00:18,977 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 12:00:18,977 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 12:00:18,977 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 12:00:18,978 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 12:00:18,978 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 12:00:18,978 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 12:00:18,978 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 12:00:18,978 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 12:00:18,978 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 12:00:18,978 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 12:00:18,978 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 12:00:18,978 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 12:00:18,978 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 12:00:18,978 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 12:00:18,978 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 12:00:18,978 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 12:00:18,978 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 12:00:18,978 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 12:00:18,978 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 12:00:18,978 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 12:00:18,978 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 12:00:18,978 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 12:00:18,978 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 12:00:18,979 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 12:00:18,979 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 12:00:18,979 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 12:00:18,979 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 -> 3b33a1dc558667a4fcb18529533ebc713d63e8618dba1b7e6d3f152565826fd1 [2024-11-07 12:00:19,277 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 12:00:19,286 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 12:00:19,288 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 12:00:19,289 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 12:00:19,290 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 12:00:19,291 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i [2024-11-07 12:00:20,607 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 12:00:21,090 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 12:00:21,091 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_either_harness.i [2024-11-07 12:00:21,124 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/420ad381b/b7f775f534164bdab6a97ea4d11274d4/FLAGc73068419 [2024-11-07 12:00:21,141 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/420ad381b/b7f775f534164bdab6a97ea4d11274d4 [2024-11-07 12:00:21,144 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 12:00:21,145 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 12:00:21,148 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 12:00:21,149 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 12:00:21,152 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 12:00:21,153 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:00:21" (1/1) ... [2024-11-07 12:00:21,153 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fdfa4a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:00:21, skipping insertion in model container [2024-11-07 12:00:21,154 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:00:21" (1/1) ... [2024-11-07 12:00:21,256 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 12:00:21,492 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_sift_either_harness.i[4506,4519] [2024-11-07 12:00:21,502 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_sift_either_harness.i[4566,4579] [2024-11-07 12:00:22,185 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,186 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,186 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,187 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,187 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,205 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,209 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,211 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,211 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,212 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,213 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,213 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,213 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,572 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,572 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,577 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,581 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,639 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,643 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,644 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,644 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,644 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,644 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,644 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,645 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,645 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,645 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,645 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,645 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,645 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,649 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,649 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,650 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,650 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,652 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,653 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,660 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,661 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,661 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,680 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 12:00:22,718 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 12:00:22,733 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_sift_either_harness.i[4506,4519] [2024-11-07 12:00:22,738 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_sift_either_harness.i[4566,4579] [2024-11-07 12:00:22,784 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,786 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,786 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,787 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,787 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,796 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,796 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,797 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,797 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,798 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,798 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,798 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,799 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,868 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,868 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,869 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,874 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,879 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7776-7787] [2024-11-07 12:00:22,939 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,940 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,940 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,940 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,940 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,941 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,941 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,941 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,941 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,941 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,942 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,942 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,942 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,944 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,944 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,944 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,944 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,946 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,947 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,951 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,952 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,952 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:00:22,957 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 12:00:23,134 INFO L204 MainTranslator]: Completed translation [2024-11-07 12:00:23,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:00:23 WrapperNode [2024-11-07 12:00:23,138 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 12:00:23,139 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 12:00:23,139 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 12:00:23,139 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 12:00:23,147 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:00:23" (1/1) ... [2024-11-07 12:00:23,238 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:00:23" (1/1) ... [2024-11-07 12:00:23,323 INFO L138 Inliner]: procedures = 686, calls = 1900, calls flagged for inlining = 59, calls inlined = 15, statements flattened = 955 [2024-11-07 12:00:23,324 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 12:00:23,325 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 12:00:23,325 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 12:00:23,325 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 12:00:23,332 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:00:23" (1/1) ... [2024-11-07 12:00:23,332 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:00:23" (1/1) ... [2024-11-07 12:00:23,338 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:00:23" (1/1) ... [2024-11-07 12:00:23,422 INFO L175 MemorySlicer]: Split 347 memory accesses to 6 slices as follows [238, 3, 2, 17, 18, 69]. 69 percent of accesses are in the largest equivalence class. The 18 initializations are split as follows [6, 1, 2, 4, 5, 0]. The 259 writes are split as follows [232, 1, 0, 3, 6, 17]. [2024-11-07 12:00:23,423 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:00:23" (1/1) ... [2024-11-07 12:00:23,423 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:00:23" (1/1) ... [2024-11-07 12:00:23,457 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:00:23" (1/1) ... [2024-11-07 12:00:23,462 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:00:23" (1/1) ... [2024-11-07 12:00:23,478 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:00:23" (1/1) ... [2024-11-07 12:00:23,487 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:00:23" (1/1) ... [2024-11-07 12:00:23,510 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 12:00:23,511 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 12:00:23,512 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 12:00:23,512 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 12:00:23,513 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:00:23" (1/1) ... [2024-11-07 12:00:23,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 12:00:23,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 12:00:23,542 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 12:00:23,553 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 12:00:23,571 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_either [2024-11-07 12:00:23,572 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_either [2024-11-07 12:00:23,572 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2024-11-07 12:00:23,572 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2024-11-07 12:00:23,572 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-07 12:00:23,572 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-07 12:00:23,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 12:00:23,572 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-07 12:00:23,573 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-07 12:00:23,573 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-07 12:00:23,573 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-07 12:00:23,573 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-07 12:00:23,573 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-07 12:00:23,573 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2024-11-07 12:00:23,573 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2024-11-07 12:00:23,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-07 12:00:23,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-07 12:00:23,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-07 12:00:23,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-07 12:00:23,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-07 12:00:23,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-07 12:00:23,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 12:00:23,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 12:00:23,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 12:00:23,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 12:00:23,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 12:00:23,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-07 12:00:23,574 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-07 12:00:23,574 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-07 12:00:23,574 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 12:00:23,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 12:00:23,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 12:00:23,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 12:00:23,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 12:00:23,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 12:00:23,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 12:00:23,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 12:00:23,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-07 12:00:23,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-07 12:00:23,575 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2024-11-07 12:00:23,575 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2024-11-07 12:00:23,575 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-07 12:00:23,575 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-07 12:00:23,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 12:00:23,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 12:00:23,575 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-07 12:00:23,575 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-07 12:00:23,575 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-07 12:00:23,575 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-07 12:00:23,575 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-07 12:00:23,575 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-07 12:00:23,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-07 12:00:23,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-07 12:00:23,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-07 12:00:23,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-07 12:00:23,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-07 12:00:23,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-07 12:00:23,575 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-07 12:00:23,576 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-07 12:00:23,576 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-07 12:00:23,576 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-07 12:00:23,576 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-11-07 12:00:23,576 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-11-07 12:00:23,576 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 12:00:23,576 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 12:00:23,576 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-07 12:00:23,576 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-07 12:00:23,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 12:00:23,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 12:00:23,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 12:00:23,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 12:00:23,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-07 12:00:23,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-07 12:00:23,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-07 12:00:23,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-07 12:00:23,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-07 12:00:23,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-07 12:00:23,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-07 12:00:23,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-07 12:00:23,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-07 12:00:23,576 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2024-11-07 12:00:23,576 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2024-11-07 12:00:23,576 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-07 12:00:23,576 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-07 12:00:23,576 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-07 12:00:23,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-07 12:00:23,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 12:00:23,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 12:00:23,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 12:00:23,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 12:00:23,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 12:00:23,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-07 12:00:23,576 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-07 12:00:23,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-07 12:00:23,576 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2024-11-07 12:00:23,576 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2024-11-07 12:00:23,577 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-07 12:00:23,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-07 12:00:23,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 12:00:23,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 12:00:23,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 12:00:23,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 12:00:23,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 12:00:23,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-07 12:00:23,856 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 12:00:23,861 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 12:00:29,588 INFO L? ?]: Removed 218 outVars from TransFormulas that were not future-live. [2024-11-07 12:00:29,589 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 12:00:29,604 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 12:00:29,607 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-07 12:00:29,608 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:00:29 BoogieIcfgContainer [2024-11-07 12:00:29,608 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 12:00:29,609 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 12:00:29,609 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 12:00:29,613 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 12:00:29,613 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:00:21" (1/3) ... [2024-11-07 12:00:29,614 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7950f991 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:00:29, skipping insertion in model container [2024-11-07 12:00:29,614 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:00:23" (2/3) ... [2024-11-07 12:00:29,614 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7950f991 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:00:29, skipping insertion in model container [2024-11-07 12:00:29,614 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:00:29" (3/3) ... [2024-11-07 12:00:29,615 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_s_sift_either_harness.i [2024-11-07 12:00:29,625 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 12:00:29,625 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-07 12:00:29,673 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 12:00:29,686 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;@11f523f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 12:00:29,687 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-07 12:00:29,692 INFO L276 IsEmpty]: Start isEmpty. Operand has 369 states, 221 states have (on average 1.244343891402715) internal successors, (275), 224 states have internal predecessors, (275), 120 states have call successors, (120), 25 states have call predecessors, (120), 25 states have return successors, (120), 120 states have call predecessors, (120), 120 states have call successors, (120) [2024-11-07 12:00:29,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-07 12:00:29,704 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:00:29,704 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 3, 3, 3, 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] [2024-11-07 12:00:29,705 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:00:29,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:00:29,709 INFO L85 PathProgramCache]: Analyzing trace with hash -1267818098, now seen corresponding path program 1 times [2024-11-07 12:00:29,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:00:29,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299851168] [2024-11-07 12:00:29,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:00:29,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:00:34,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:35,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 12:00:35,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:35,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 12:00:35,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:35,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 12:00:35,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:35,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 12:00:35,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:35,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 12:00:35,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:35,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 12:00:35,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:35,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 12:00:35,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:35,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 12:00:35,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:35,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 12:00:35,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:35,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 12:00:35,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:35,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 12:00:35,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:35,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 12:00:35,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:35,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 12:00:35,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:35,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 12:00:35,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:35,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 12:00:35,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:36,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-07 12:00:36,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:36,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 12:00:36,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:36,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-07 12:00:36,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:36,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 12:00:36,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:36,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 12:00:36,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:36,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 12:00:36,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:36,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 12:00:36,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:36,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-07 12:00:36,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:00:36,234 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2024-11-07 12:00:36,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:00:36,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299851168] [2024-11-07 12:00:36,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299851168] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:00:36,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 12:00:36,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 12:00:36,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300421353] [2024-11-07 12:00:36,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:00:36,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 12:00:36,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:00:36,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 12:00:36,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 12:00:36,257 INFO L87 Difference]: Start difference. First operand has 369 states, 221 states have (on average 1.244343891402715) internal successors, (275), 224 states have internal predecessors, (275), 120 states have call successors, (120), 25 states have call predecessors, (120), 25 states have return successors, (120), 120 states have call predecessors, (120), 120 states have call successors, (120) Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-07 12:00:40,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 12:00:44,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 12:01:03,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 12:01:03,172 INFO L93 Difference]: Finished difference Result 853 states and 1398 transitions. [2024-11-07 12:01:03,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 12:01:03,175 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 138 [2024-11-07 12:01:03,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 12:01:03,191 INFO L225 Difference]: With dead ends: 853 [2024-11-07 12:01:03,191 INFO L226 Difference]: Without dead ends: 502 [2024-11-07 12:01:03,203 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 12:01:03,210 INFO L432 NwaCegarLoop]: 229 mSDtfsCounter, 305 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 747 mSolverCounterSat, 468 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 1217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 468 IncrementalHoareTripleChecker+Valid, 747 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.0s IncrementalHoareTripleChecker+Time [2024-11-07 12:01:03,211 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [310 Valid, 418 Invalid, 1217 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [468 Valid, 747 Invalid, 2 Unknown, 0 Unchecked, 26.0s Time] [2024-11-07 12:01:03,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2024-11-07 12:01:03,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 362. [2024-11-07 12:01:03,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 216 states have (on average 1.2083333333333333) internal successors, (261), 218 states have internal predecessors, (261), 120 states have call successors, (120), 25 states have call predecessors, (120), 24 states have return successors, (118), 118 states have call predecessors, (118), 118 states have call successors, (118) [2024-11-07 12:01:03,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 499 transitions. [2024-11-07 12:01:03,328 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 499 transitions. Word has length 138 [2024-11-07 12:01:03,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 12:01:03,329 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 499 transitions. [2024-11-07 12:01:03,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-07 12:01:03,330 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 499 transitions. [2024-11-07 12:01:03,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-07 12:01:03,338 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:01:03,339 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 3, 3, 3, 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] [2024-11-07 12:01:03,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 12:01:03,339 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:01:03,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:01:03,340 INFO L85 PathProgramCache]: Analyzing trace with hash -1331332972, now seen corresponding path program 1 times [2024-11-07 12:01:03,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:01:03,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255064634] [2024-11-07 12:01:03,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:01:03,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:01:07,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:08,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 12:01:08,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:08,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 12:01:08,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:08,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 12:01:08,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:08,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 12:01:08,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:08,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 12:01:08,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:08,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 12:01:08,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:08,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 12:01:08,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:09,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 12:01:09,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:09,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 12:01:09,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:09,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 12:01:09,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:09,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 12:01:09,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:09,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 12:01:09,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:09,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 12:01:09,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:09,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 12:01:09,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:09,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 12:01:09,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:10,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-07 12:01:10,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:10,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 12:01:10,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:10,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-07 12:01:10,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:10,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 12:01:10,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:10,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 12:01:10,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:10,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 12:01:10,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:10,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 12:01:10,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:10,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-07 12:01:10,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:11,000 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-07 12:01:11,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:01:11,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255064634] [2024-11-07 12:01:11,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255064634] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 12:01:11,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [584455383] [2024-11-07 12:01:11,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:01:11,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 12:01:11,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 12:01:11,010 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 12:01:11,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-07 12:01:15,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:16,019 INFO L255 TraceCheckSpWp]: Trace formula consists of 4408 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-07 12:01:16,028 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 12:01:16,261 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-11-07 12:01:16,261 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 12:01:16,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [584455383] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:01:16,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 12:01:16,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2024-11-07 12:01:16,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563793773] [2024-11-07 12:01:16,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:01:16,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 12:01:16,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:01:16,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 12:01:16,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-07 12:01:16,268 INFO L87 Difference]: Start difference. First operand 362 states and 499 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-07 12:01:16,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 12:01:16,382 INFO L93 Difference]: Finished difference Result 448 states and 609 transitions. [2024-11-07 12:01:16,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 12:01:16,383 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 138 [2024-11-07 12:01:16,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 12:01:16,387 INFO L225 Difference]: With dead ends: 448 [2024-11-07 12:01:16,387 INFO L226 Difference]: Without dead ends: 363 [2024-11-07 12:01:16,388 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-07 12:01:16,389 INFO L432 NwaCegarLoop]: 498 mSDtfsCounter, 0 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 991 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 12:01:16,390 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 991 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 12:01:16,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2024-11-07 12:01:16,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 363. [2024-11-07 12:01:16,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 217 states have (on average 1.207373271889401) internal successors, (262), 219 states have internal predecessors, (262), 120 states have call successors, (120), 25 states have call predecessors, (120), 24 states have return successors, (118), 118 states have call predecessors, (118), 118 states have call successors, (118) [2024-11-07 12:01:16,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 500 transitions. [2024-11-07 12:01:16,425 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 500 transitions. Word has length 138 [2024-11-07 12:01:16,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 12:01:16,426 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 500 transitions. [2024-11-07 12:01:16,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-07 12:01:16,426 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 500 transitions. [2024-11-07 12:01:16,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-07 12:01:16,430 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:01:16,431 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 7, 4, 4, 4, 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] [2024-11-07 12:01:16,461 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-07 12:01:16,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 12:01:16,632 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:01:16,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:01:16,633 INFO L85 PathProgramCache]: Analyzing trace with hash 106819903, now seen corresponding path program 1 times [2024-11-07 12:01:16,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:01:16,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350268318] [2024-11-07 12:01:16,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:01:16,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:01:20,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:21,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 12:01:21,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:21,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 12:01:21,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:21,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 12:01:21,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:21,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 12:01:21,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:21,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 12:01:21,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:21,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 12:01:21,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:21,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 12:01:21,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:21,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 12:01:21,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:21,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 12:01:21,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:22,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 12:01:22,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:22,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 12:01:22,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:22,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 12:01:22,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:22,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 12:01:22,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:22,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 12:01:22,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:22,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 12:01:22,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:22,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-07 12:01:22,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:23,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-07 12:01:23,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:23,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-07 12:01:23,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:23,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-07 12:01:23,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:23,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 12:01:23,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:23,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 12:01:23,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:23,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-07 12:01:23,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:23,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-07 12:01:23,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:23,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-07 12:01:23,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:23,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-07 12:01:23,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:23,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-07 12:01:23,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:23,360 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2024-11-07 12:01:23,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:01:23,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350268318] [2024-11-07 12:01:23,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350268318] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 12:01:23,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [693971122] [2024-11-07 12:01:23,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:01:23,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 12:01:23,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 12:01:23,365 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 12:01:23,370 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-07 12:01:28,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:28,710 INFO L255 TraceCheckSpWp]: Trace formula consists of 4532 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 12:01:28,718 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 12:01:31,211 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-07 12:01:31,211 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 12:01:31,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [693971122] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:01:31,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 12:01:31,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2024-11-07 12:01:31,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974573554] [2024-11-07 12:01:31,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:01:31,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 12:01:31,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:01:31,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 12:01:31,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-07 12:01:31,214 INFO L87 Difference]: Start difference. First operand 363 states and 500 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-11-07 12:01:36,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 12:01:36,296 INFO L93 Difference]: Finished difference Result 680 states and 946 transitions. [2024-11-07 12:01:36,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 12:01:36,297 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 157 [2024-11-07 12:01:36,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 12:01:36,301 INFO L225 Difference]: With dead ends: 680 [2024-11-07 12:01:36,301 INFO L226 Difference]: Without dead ends: 365 [2024-11-07 12:01:36,305 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-07 12:01:36,307 INFO L432 NwaCegarLoop]: 448 mSDtfsCounter, 500 mSDsluCounter, 1300 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 508 SdHoareTripleChecker+Valid, 1748 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-07 12:01:36,308 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [508 Valid, 1748 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2024-11-07 12:01:36,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2024-11-07 12:01:36,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 365. [2024-11-07 12:01:36,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 218 states have (on average 1.2064220183486238) internal successors, (263), 221 states have internal predecessors, (263), 120 states have call successors, (120), 25 states have call predecessors, (120), 25 states have return successors, (126), 118 states have call predecessors, (126), 118 states have call successors, (126) [2024-11-07 12:01:36,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 509 transitions. [2024-11-07 12:01:36,342 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 509 transitions. Word has length 157 [2024-11-07 12:01:36,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 12:01:36,342 INFO L471 AbstractCegarLoop]: Abstraction has 365 states and 509 transitions. [2024-11-07 12:01:36,342 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 3 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-11-07 12:01:36,343 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 509 transitions. [2024-11-07 12:01:36,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-07 12:01:36,344 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:01:36,344 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 7, 7, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1] [2024-11-07 12:01:36,373 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-07 12:01:36,545 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 12:01:36,546 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:01:36,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:01:36,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1726819110, now seen corresponding path program 1 times [2024-11-07 12:01:36,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:01:36,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285855756] [2024-11-07 12:01:36,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:01:36,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:01:40,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:41,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 12:01:41,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:41,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 12:01:41,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:41,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 12:01:41,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:41,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 12:01:41,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:41,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 12:01:41,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:41,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 12:01:41,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:41,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 12:01:41,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:41,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 12:01:41,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:41,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 12:01:41,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:41,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 12:01:41,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:41,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 12:01:41,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:41,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 12:01:41,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:41,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 12:01:41,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:41,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 12:01:41,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:41,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 12:01:41,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:42,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-07 12:01:42,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:42,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 12:01:42,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:43,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-07 12:01:43,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:43,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-07 12:01:43,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:43,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-07 12:01:43,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:43,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-07 12:01:43,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:43,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-07 12:01:43,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:43,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-07 12:01:43,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:43,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 12:01:43,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:43,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-07 12:01:43,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:43,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-07 12:01:43,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:43,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-07 12:01:43,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:43,345 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2024-11-07 12:01:43,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:01:43,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285855756] [2024-11-07 12:01:43,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285855756] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 12:01:43,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [507017927] [2024-11-07 12:01:43,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:01:43,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 12:01:43,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 12:01:43,348 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 12:01:43,349 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-07 12:01:48,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:01:48,156 INFO L255 TraceCheckSpWp]: Trace formula consists of 4582 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-07 12:01:48,161 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 12:01:50,466 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-07 12:01:50,466 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 12:01:50,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [507017927] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 12:01:50,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 12:01:50,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 15 [2024-11-07 12:01:50,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809166526] [2024-11-07 12:01:50,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 12:01:50,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 12:01:50,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 12:01:50,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 12:01:50,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2024-11-07 12:01:50,471 INFO L87 Difference]: Start difference. First operand 365 states and 509 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 4 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25)