./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f380af-a567-484f-8d00-82fa39d3c9a7/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f380af-a567-484f-8d00-82fa39d3c9a7/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f380af-a567-484f-8d00-82fa39d3c9a7/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f380af-a567-484f-8d00-82fa39d3c9a7/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f380af-a567-484f-8d00-82fa39d3c9a7/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f380af-a567-484f-8d00-82fa39d3c9a7/bin/uautomizer-verify-aQ6SnzHsRB --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 36677182f518398f01d85d4519b98c485dfbc69288769baae64c1b35fbac01e2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:24:44,920 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:24:45,044 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f380af-a567-484f-8d00-82fa39d3c9a7/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-27 20:24:45,055 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:24:45,059 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:24:45,101 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:24:45,103 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:24:45,103 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:24:45,104 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:24:45,104 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:24:45,105 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:24:45,105 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:24:45,105 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:24:45,105 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:24:45,106 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:24:45,106 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:24:45,106 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:24:45,106 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:24:45,107 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:24:45,107 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:24:45,107 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:24:45,107 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:24:45,107 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:24:45,107 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:24:45,107 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:24:45,107 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:24:45,107 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:24:45,108 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:24:45,108 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:24:45,108 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:24:45,108 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:24:45,108 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:24:45,108 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:24:45,108 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:24:45,108 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:24:45,108 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:24:45,109 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:24:45,109 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:24:45,109 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:24:45,109 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 20:24:45,109 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 20:24:45,109 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:24:45,109 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:24:45,109 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:24:45,109 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:24:45,109 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f380af-a567-484f-8d00-82fa39d3c9a7/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 36677182f518398f01d85d4519b98c485dfbc69288769baae64c1b35fbac01e2 [2024-11-27 20:24:45,509 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:24:45,526 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:24:45,529 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:24:45,531 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:24:45,531 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:24:45,534 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f380af-a567-484f-8d00-82fa39d3c9a7/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i [2024-11-27 20:24:48,828 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f380af-a567-484f-8d00-82fa39d3c9a7/bin/uautomizer-verify-aQ6SnzHsRB/data/5147b96bc/ac6c41eec86b4de88513976dd218654c/FLAGb94e2f320 [2024-11-27 20:24:49,565 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:24:49,566 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f380af-a567-484f-8d00-82fa39d3c9a7/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i [2024-11-27 20:24:49,605 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f380af-a567-484f-8d00-82fa39d3c9a7/bin/uautomizer-verify-aQ6SnzHsRB/data/5147b96bc/ac6c41eec86b4de88513976dd218654c/FLAGb94e2f320 [2024-11-27 20:24:49,623 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f380af-a567-484f-8d00-82fa39d3c9a7/bin/uautomizer-verify-aQ6SnzHsRB/data/5147b96bc/ac6c41eec86b4de88513976dd218654c [2024-11-27 20:24:49,626 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:24:49,628 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:24:49,630 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:24:49,630 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:24:49,636 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:24:49,637 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:24:49" (1/1) ... [2024-11-27 20:24:49,640 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a766311 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:49, skipping insertion in model container [2024-11-27 20:24:49,641 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:24:49" (1/1) ... [2024-11-27 20:24:49,749 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:24:50,017 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f380af-a567-484f-8d00-82fa39d3c9a7/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i[4499,4512] [2024-11-27 20:24:50,025 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f380af-a567-484f-8d00-82fa39d3c9a7/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i[4559,4572] [2024-11-27 20:24:51,142 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:51,143 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:51,144 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:51,145 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:51,147 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:51,168 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:51,169 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:51,172 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:51,173 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:51,176 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:51,178 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:51,179 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:51,179 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:52,008 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:52,019 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:52,153 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:52,153 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:52,154 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:52,154 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:52,154 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:52,155 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:52,155 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:52,156 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:52,156 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:52,156 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:52,157 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:52,157 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:52,157 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:52,160 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:52,161 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:52,161 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:52,162 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:52,169 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:52,170 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:52,181 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:52,183 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:52,187 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:52,206 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:52,207 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:52,207 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:52,217 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:24:52,296 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:24:52,314 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f380af-a567-484f-8d00-82fa39d3c9a7/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i[4499,4512] [2024-11-27 20:24:52,315 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f380af-a567-484f-8d00-82fa39d3c9a7/sv-benchmarks/c/aws-c-common/aws_priority_queue_remove_harness.i[4559,4572] [2024-11-27 20:24:52,402 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:52,403 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:52,403 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:52,404 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:52,406 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:52,424 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:52,425 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:52,426 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:52,428 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:52,429 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:52,430 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:52,430 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:52,431 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:52,547 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:52,554 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:52,563 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7771-7782] [2024-11-27 20:24:52,589 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:52,590 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:52,591 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:52,591 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:52,591 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:52,592 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:52,592 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:52,593 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:52,593 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:52,593 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:52,594 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:52,594 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:52,594 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:52,595 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:52,596 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:52,596 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:52,597 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:52,600 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:52,602 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:52,613 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:52,615 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:52,616 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:52,631 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:52,633 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:52,634 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-27 20:24:52,638 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:24:52,966 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:24:52,967 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:52 WrapperNode [2024-11-27 20:24:52,968 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:24:52,969 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:24:52,969 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:24:52,969 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:24:52,979 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:52" (1/1) ... [2024-11-27 20:24:53,042 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:52" (1/1) ... [2024-11-27 20:24:53,142 INFO L138 Inliner]: procedures = 686, calls = 1933, calls flagged for inlining = 59, calls inlined = 15, statements flattened = 1086 [2024-11-27 20:24:53,143 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:24:53,143 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:24:53,144 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:24:53,144 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:24:53,157 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:52" (1/1) ... [2024-11-27 20:24:53,157 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:52" (1/1) ... [2024-11-27 20:24:53,167 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:52" (1/1) ... [2024-11-27 20:24:53,331 INFO L175 MemorySlicer]: Split 396 memory accesses to 6 slices as follows [2, 264, 3, 13, 97, 17]. 67 percent of accesses are in the largest equivalence class. The 30 initializations are split as follows [2, 12, 1, 11, 0, 4]. The 262 writes are split as follows [0, 240, 1, 0, 18, 3]. [2024-11-27 20:24:53,331 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:52" (1/1) ... [2024-11-27 20:24:53,331 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:52" (1/1) ... [2024-11-27 20:24:53,386 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:52" (1/1) ... [2024-11-27 20:24:53,389 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:52" (1/1) ... [2024-11-27 20:24:53,396 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:52" (1/1) ... [2024-11-27 20:24:53,420 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:52" (1/1) ... [2024-11-27 20:24:53,433 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:52" (1/1) ... [2024-11-27 20:24:53,468 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:24:53,469 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:24:53,470 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:24:53,470 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:24:53,471 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:52" (1/1) ... [2024-11-27 20:24:53,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:24:53,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f380af-a567-484f-8d00-82fa39d3c9a7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:24:53,522 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f380af-a567-484f-8d00-82fa39d3c9a7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:24:53,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f380af-a567-484f-8d00-82fa39d3c9a7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:24:53,571 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2024-11-27 20:24:53,571 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2024-11-27 20:24:53,571 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-27 20:24:53,572 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-27 20:24:53,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-27 20:24:53,572 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-27 20:24:53,572 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-27 20:24:53,572 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-27 20:24:53,572 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-27 20:24:53,572 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-27 20:24:53,572 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-27 20:24:53,572 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2024-11-27 20:24:53,573 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2024-11-27 20:24:53,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-27 20:24:53,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-27 20:24:53,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-27 20:24:53,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-27 20:24:53,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-27 20:24:53,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-27 20:24:53,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-27 20:24:53,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-27 20:24:53,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-27 20:24:53,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-27 20:24:53,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-27 20:24:53,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-27 20:24:53,576 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-27 20:24:53,576 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-27 20:24:53,576 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-27 20:24:53,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-27 20:24:53,576 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_node [2024-11-27 20:24:53,576 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_node [2024-11-27 20:24:53,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-27 20:24:53,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:24:53,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-27 20:24:53,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-27 20:24:53,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-27 20:24:53,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-27 20:24:53,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-27 20:24:53,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-27 20:24:53,578 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2024-11-27 20:24:53,578 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2024-11-27 20:24:53,578 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-27 20:24:53,578 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-27 20:24:53,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:24:53,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:24:53,579 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-27 20:24:53,579 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-27 20:24:53,579 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-27 20:24:53,579 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-27 20:24:53,579 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-27 20:24:53,579 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-27 20:24:53,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-27 20:24:53,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-27 20:24:53,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-27 20:24:53,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-27 20:24:53,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-27 20:24:53,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-27 20:24:53,580 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-27 20:24:53,581 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-27 20:24:53,581 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-27 20:24:53,581 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-27 20:24:53,581 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-11-27 20:24:53,581 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-11-27 20:24:53,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-27 20:24:53,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-27 20:24:53,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-27 20:24:53,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-27 20:24:53,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-27 20:24:53,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-27 20:24:53,583 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-27 20:24:53,583 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-27 20:24:53,583 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-27 20:24:53,583 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-27 20:24:53,583 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-27 20:24:53,583 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-27 20:24:53,583 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-27 20:24:53,583 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-27 20:24:53,583 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-27 20:24:53,583 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-27 20:24:53,583 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2024-11-27 20:24:53,583 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2024-11-27 20:24:53,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-27 20:24:53,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-27 20:24:53,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-27 20:24:53,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-27 20:24:53,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-27 20:24:53,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-27 20:24:53,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-27 20:24:53,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-27 20:24:53,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-27 20:24:53,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-27 20:24:53,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-27 20:24:53,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-27 20:24:53,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-27 20:24:53,585 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2024-11-27 20:24:53,585 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2024-11-27 20:24:53,585 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-27 20:24:53,585 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-27 20:24:53,585 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-27 20:24:53,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-27 20:24:53,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-27 20:24:53,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-27 20:24:53,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-27 20:24:53,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-27 20:24:53,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-27 20:24:53,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-27 20:24:53,586 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-27 20:24:53,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-27 20:24:53,586 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2024-11-27 20:24:53,586 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2024-11-27 20:24:53,586 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-27 20:24:53,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-27 20:24:53,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 20:24:53,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-27 20:24:53,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-27 20:24:53,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-27 20:24:53,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-27 20:24:53,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-27 20:24:53,590 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at [2024-11-27 20:24:53,590 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at [2024-11-27 20:24:54,122 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:24:54,125 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:25:01,382 INFO L? ?]: Removed 267 outVars from TransFormulas that were not future-live. [2024-11-27 20:25:01,382 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:25:01,419 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:25:01,419 INFO L312 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-27 20:25:01,420 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:25:01 BoogieIcfgContainer [2024-11-27 20:25:01,420 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:25:01,423 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:25:01,423 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:25:01,429 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:25:01,429 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:24:49" (1/3) ... [2024-11-27 20:25:01,432 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a1fc3fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:25:01, skipping insertion in model container [2024-11-27 20:25:01,432 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:24:52" (2/3) ... [2024-11-27 20:25:01,433 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a1fc3fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:25:01, skipping insertion in model container [2024-11-27 20:25:01,433 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:25:01" (3/3) ... [2024-11-27 20:25:01,434 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_remove_harness.i [2024-11-27 20:25:01,461 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:25:01,464 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_priority_queue_remove_harness.i that has 34 procedures, 489 locations, 1 initial locations, 12 loop locations, and 2 error locations. [2024-11-27 20:25:01,572 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:25:01,586 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;@325159ce, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:25:01,586 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-27 20:25:01,594 INFO L276 IsEmpty]: Start isEmpty. Operand has 469 states, 272 states have (on average 1.2536764705882353) internal successors, (341), 277 states have internal predecessors, (341), 166 states have call successors, (166), 28 states have call predecessors, (166), 28 states have return successors, (166), 166 states have call predecessors, (166), 166 states have call successors, (166) [2024-11-27 20:25:01,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-27 20:25:01,620 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:25:01,622 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:25:01,623 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:25:01,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:25:01,630 INFO L85 PathProgramCache]: Analyzing trace with hash -409605288, now seen corresponding path program 1 times [2024-11-27 20:25:01,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:25:01,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188592128] [2024-11-27 20:25:01,641 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:01,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:25:09,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:09,800 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2024-11-27 20:25:09,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:25:09,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188592128] [2024-11-27 20:25:09,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188592128] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:25:09,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [719808481] [2024-11-27 20:25:09,804 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:09,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:25:09,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f380af-a567-484f-8d00-82fa39d3c9a7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:25:09,811 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f380af-a567-484f-8d00-82fa39d3c9a7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:25:09,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f380af-a567-484f-8d00-82fa39d3c9a7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 20:25:17,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:17,187 INFO L256 TraceCheckSpWp]: Trace formula consists of 4523 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-27 20:25:17,199 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:25:17,225 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2024-11-27 20:25:17,226 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:25:17,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [719808481] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:25:17,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:25:17,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-27 20:25:17,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729516983] [2024-11-27 20:25:17,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:25:17,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 20:25:17,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:25:17,257 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 20:25:17,258 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 20:25:17,261 INFO L87 Difference]: Start difference. First operand has 469 states, 272 states have (on average 1.2536764705882353) internal successors, (341), 277 states have internal predecessors, (341), 166 states have call successors, (166), 28 states have call predecessors, (166), 28 states have return successors, (166), 166 states have call predecessors, (166), 166 states have call successors, (166) Second operand has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-27 20:25:17,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:25:17,355 INFO L93 Difference]: Finished difference Result 910 states and 1440 transitions. [2024-11-27 20:25:17,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 20:25:17,357 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 171 [2024-11-27 20:25:17,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:25:17,370 INFO L225 Difference]: With dead ends: 910 [2024-11-27 20:25:17,370 INFO L226 Difference]: Without dead ends: 462 [2024-11-27 20:25:17,386 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 20:25:17,389 INFO L435 NwaCegarLoop]: 660 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 660 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:25:17,392 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 660 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:25:17,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2024-11-27 20:25:17,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 462. [2024-11-27 20:25:17,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 462 states, 267 states have (on average 1.2172284644194757) internal successors, (325), 270 states have internal predecessors, (325), 166 states have call successors, (166), 28 states have call predecessors, (166), 27 states have return successors, (164), 164 states have call predecessors, (164), 164 states have call successors, (164) [2024-11-27 20:25:17,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 655 transitions. [2024-11-27 20:25:17,530 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 655 transitions. Word has length 171 [2024-11-27 20:25:17,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:25:17,533 INFO L471 AbstractCegarLoop]: Abstraction has 462 states and 655 transitions. [2024-11-27 20:25:17,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-27 20:25:17,534 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 655 transitions. [2024-11-27 20:25:17,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-27 20:25:17,548 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:25:17,549 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:25:17,568 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f380af-a567-484f-8d00-82fa39d3c9a7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-27 20:25:17,749 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f380af-a567-484f-8d00-82fa39d3c9a7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-27 20:25:17,749 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:25:17,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:25:17,750 INFO L85 PathProgramCache]: Analyzing trace with hash 1978115567, now seen corresponding path program 1 times [2024-11-27 20:25:17,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:25:17,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366748332] [2024-11-27 20:25:17,750 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:17,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:25:23,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:24,738 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2024-11-27 20:25:24,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:25:24,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366748332] [2024-11-27 20:25:24,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366748332] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:25:24,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1905888916] [2024-11-27 20:25:24,739 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:24,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:25:24,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f380af-a567-484f-8d00-82fa39d3c9a7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:25:24,743 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f380af-a567-484f-8d00-82fa39d3c9a7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:25:24,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f380af-a567-484f-8d00-82fa39d3c9a7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 20:25:31,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:31,966 INFO L256 TraceCheckSpWp]: Trace formula consists of 4598 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 20:25:31,977 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:25:32,745 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2024-11-27 20:25:32,746 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:25:32,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1905888916] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:25:32,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:25:32,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2024-11-27 20:25:32,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946738045] [2024-11-27 20:25:32,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:25:32,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:25:32,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:25:32,751 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:25:32,751 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-27 20:25:32,752 INFO L87 Difference]: Start difference. First operand 462 states and 655 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-11-27 20:25:35,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:25:35,481 INFO L93 Difference]: Finished difference Result 875 states and 1259 transitions. [2024-11-27 20:25:35,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:25:35,482 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 186 [2024-11-27 20:25:35,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:25:35,491 INFO L225 Difference]: With dead ends: 875 [2024-11-27 20:25:35,492 INFO L226 Difference]: Without dead ends: 464 [2024-11-27 20:25:35,495 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-27 20:25:35,496 INFO L435 NwaCegarLoop]: 582 mSDtfsCounter, 663 mSDsluCounter, 1679 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 674 SdHoareTripleChecker+Valid, 2261 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-27 20:25:35,497 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [674 Valid, 2261 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-27 20:25:35,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2024-11-27 20:25:35,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 464. [2024-11-27 20:25:35,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 464 states, 268 states have (on average 1.2164179104477613) internal successors, (326), 272 states have internal predecessors, (326), 166 states have call successors, (166), 28 states have call predecessors, (166), 28 states have return successors, (177), 164 states have call predecessors, (177), 164 states have call successors, (177) [2024-11-27 20:25:35,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 669 transitions. [2024-11-27 20:25:35,551 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 669 transitions. Word has length 186 [2024-11-27 20:25:35,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:25:35,552 INFO L471 AbstractCegarLoop]: Abstraction has 464 states and 669 transitions. [2024-11-27 20:25:35,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-11-27 20:25:35,553 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 669 transitions. [2024-11-27 20:25:35,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-27 20:25:35,557 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:25:35,557 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:25:35,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f380af-a567-484f-8d00-82fa39d3c9a7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-27 20:25:35,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f380af-a567-484f-8d00-82fa39d3c9a7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:25:35,758 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:25:35,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:25:35,759 INFO L85 PathProgramCache]: Analyzing trace with hash -1545977719, now seen corresponding path program 1 times [2024-11-27 20:25:35,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:25:35,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874694183] [2024-11-27 20:25:35,759 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:35,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:25:41,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:43,254 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2024-11-27 20:25:43,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:25:43,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874694183] [2024-11-27 20:25:43,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874694183] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:25:43,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1115688615] [2024-11-27 20:25:43,255 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:43,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:25:43,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f380af-a567-484f-8d00-82fa39d3c9a7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:25:43,258 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f380af-a567-484f-8d00-82fa39d3c9a7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:25:43,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f380af-a567-484f-8d00-82fa39d3c9a7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-27 20:25:50,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:50,821 INFO L256 TraceCheckSpWp]: Trace formula consists of 4648 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-27 20:25:50,829 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:25:51,998 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2024-11-27 20:25:51,998 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:25:51,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1115688615] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:25:51,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:25:51,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2024-11-27 20:25:51,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678765649] [2024-11-27 20:25:51,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:25:51,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 20:25:51,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:25:52,000 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 20:25:52,000 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:25:52,000 INFO L87 Difference]: Start difference. First operand 464 states and 669 transitions. Second operand has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 4 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) [2024-11-27 20:25:57,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:25:57,263 INFO L93 Difference]: Finished difference Result 898 states and 1330 transitions. [2024-11-27 20:25:57,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 20:25:57,264 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 4 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) Word has length 194 [2024-11-27 20:25:57,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:25:57,272 INFO L225 Difference]: With dead ends: 898 [2024-11-27 20:25:57,272 INFO L226 Difference]: Without dead ends: 485 [2024-11-27 20:25:57,276 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2024-11-27 20:25:57,277 INFO L435 NwaCegarLoop]: 576 mSDtfsCounter, 696 mSDsluCounter, 2759 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 722 SdHoareTripleChecker+Valid, 3335 SdHoareTripleChecker+Invalid, 653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-11-27 20:25:57,279 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [722 Valid, 3335 Invalid, 653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2024-11-27 20:25:57,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2024-11-27 20:25:57,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 483. [2024-11-27 20:25:57,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 284 states have (on average 1.2253521126760563) internal successors, (348), 288 states have internal predecessors, (348), 168 states have call successors, (168), 28 states have call predecessors, (168), 29 states have return successors, (196), 167 states have call predecessors, (196), 166 states have call successors, (196) [2024-11-27 20:25:57,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 712 transitions. [2024-11-27 20:25:57,334 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 712 transitions. Word has length 194 [2024-11-27 20:25:57,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:25:57,336 INFO L471 AbstractCegarLoop]: Abstraction has 483 states and 712 transitions. [2024-11-27 20:25:57,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 4 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) [2024-11-27 20:25:57,337 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 712 transitions. [2024-11-27 20:25:57,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-27 20:25:57,344 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:25:57,344 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:25:57,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f380af-a567-484f-8d00-82fa39d3c9a7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-27 20:25:57,545 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f380af-a567-484f-8d00-82fa39d3c9a7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:25:57,545 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:25:57,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:25:57,546 INFO L85 PathProgramCache]: Analyzing trace with hash -417810820, now seen corresponding path program 1 times [2024-11-27 20:25:57,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:25:57,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056930582] [2024-11-27 20:25:57,546 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:57,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:03,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:05,138 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2024-11-27 20:26:05,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:05,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056930582] [2024-11-27 20:26:05,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056930582] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:26:05,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [922314073] [2024-11-27 20:26:05,141 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:05,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:26:05,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f380af-a567-484f-8d00-82fa39d3c9a7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:26:05,144 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f380af-a567-484f-8d00-82fa39d3c9a7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:26:05,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f380af-a567-484f-8d00-82fa39d3c9a7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-27 20:26:12,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:12,599 INFO L256 TraceCheckSpWp]: Trace formula consists of 4775 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-27 20:26:12,608 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:26:13,590 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2024-11-27 20:26:13,590 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:26:13,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [922314073] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:26:13,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:26:13,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2024-11-27 20:26:13,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922897523] [2024-11-27 20:26:13,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:26:13,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:26:13,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:26:13,593 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:26:13,593 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-27 20:26:13,593 INFO L87 Difference]: Start difference. First operand 483 states and 712 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 4 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2024-11-27 20:26:16,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:26:16,981 INFO L93 Difference]: Finished difference Result 921 states and 1389 transitions. [2024-11-27 20:26:16,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 20:26:16,982 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 4 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) Word has length 209 [2024-11-27 20:26:16,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:26:16,989 INFO L225 Difference]: With dead ends: 921 [2024-11-27 20:26:16,990 INFO L226 Difference]: Without dead ends: 489 [2024-11-27 20:26:16,993 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2024-11-27 20:26:16,994 INFO L435 NwaCegarLoop]: 574 mSDtfsCounter, 679 mSDsluCounter, 2198 mSDsCounter, 0 mSdLazyCounter, 395 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 690 SdHoareTripleChecker+Valid, 2772 SdHoareTripleChecker+Invalid, 460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:26:16,995 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [690 Valid, 2772 Invalid, 460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 395 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-27 20:26:16,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2024-11-27 20:26:17,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 483. [2024-11-27 20:26:17,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 284 states have (on average 1.2253521126760563) internal successors, (348), 288 states have internal predecessors, (348), 168 states have call successors, (168), 28 states have call predecessors, (168), 29 states have return successors, (196), 167 states have call predecessors, (196), 166 states have call successors, (196) [2024-11-27 20:26:17,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 712 transitions. [2024-11-27 20:26:17,037 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 712 transitions. Word has length 209 [2024-11-27 20:26:17,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:26:17,038 INFO L471 AbstractCegarLoop]: Abstraction has 483 states and 712 transitions. [2024-11-27 20:26:17,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 4 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2024-11-27 20:26:17,039 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 712 transitions. [2024-11-27 20:26:17,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-11-27 20:26:17,044 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:26:17,045 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:26:17,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f380af-a567-484f-8d00-82fa39d3c9a7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-27 20:26:17,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f380af-a567-484f-8d00-82fa39d3c9a7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:26:17,246 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:26:17,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:17,247 INFO L85 PathProgramCache]: Analyzing trace with hash -774930059, now seen corresponding path program 1 times [2024-11-27 20:26:17,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:17,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653881164] [2024-11-27 20:26:17,247 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:17,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:22,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:24,554 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2024-11-27 20:26:24,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:24,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653881164] [2024-11-27 20:26:24,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653881164] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:26:24,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1646495667] [2024-11-27 20:26:24,554 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:24,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:26:24,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f380af-a567-484f-8d00-82fa39d3c9a7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:26:24,556 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f380af-a567-484f-8d00-82fa39d3c9a7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:26:24,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f380af-a567-484f-8d00-82fa39d3c9a7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-27 20:26:31,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:31,372 INFO L256 TraceCheckSpWp]: Trace formula consists of 4842 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-27 20:26:31,381 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:26:32,853 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2024-11-27 20:26:32,853 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:26:32,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1646495667] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:26:32,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:26:32,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 15 [2024-11-27 20:26:32,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426152397] [2024-11-27 20:26:32,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:26:32,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-27 20:26:32,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:26:32,855 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-27 20:26:32,856 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-11-27 20:26:32,856 INFO L87 Difference]: Start difference. First operand 483 states and 712 transitions. Second operand has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 9 states have internal predecessors, (97), 5 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 5 states have call predecessors, (32), 5 states have call successors, (32) [2024-11-27 20:26:39,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:26:39,331 INFO L93 Difference]: Finished difference Result 932 states and 1394 transitions. [2024-11-27 20:26:39,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 20:26:39,332 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 9 states have internal predecessors, (97), 5 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 5 states have call predecessors, (32), 5 states have call successors, (32) Word has length 225 [2024-11-27 20:26:39,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:26:39,338 INFO L225 Difference]: With dead ends: 932 [2024-11-27 20:26:39,339 INFO L226 Difference]: Without dead ends: 500 [2024-11-27 20:26:39,342 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=72, Invalid=434, Unknown=0, NotChecked=0, Total=506 [2024-11-27 20:26:39,343 INFO L435 NwaCegarLoop]: 553 mSDtfsCounter, 735 mSDsluCounter, 3181 mSDsCounter, 0 mSdLazyCounter, 737 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 760 SdHoareTripleChecker+Valid, 3734 SdHoareTripleChecker+Invalid, 814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 737 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2024-11-27 20:26:39,344 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [760 Valid, 3734 Invalid, 814 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 737 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2024-11-27 20:26:39,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2024-11-27 20:26:39,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 483. [2024-11-27 20:26:39,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 284 states have (on average 1.2253521126760563) internal successors, (348), 288 states have internal predecessors, (348), 168 states have call successors, (168), 28 states have call predecessors, (168), 29 states have return successors, (196), 167 states have call predecessors, (196), 166 states have call successors, (196) [2024-11-27 20:26:39,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 712 transitions. [2024-11-27 20:26:39,383 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 712 transitions. Word has length 225 [2024-11-27 20:26:39,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:26:39,384 INFO L471 AbstractCegarLoop]: Abstraction has 483 states and 712 transitions. [2024-11-27 20:26:39,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.777777777777779) internal successors, (97), 9 states have internal predecessors, (97), 5 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 5 states have call predecessors, (32), 5 states have call successors, (32) [2024-11-27 20:26:39,384 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 712 transitions. [2024-11-27 20:26:39,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2024-11-27 20:26:39,388 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:26:39,388 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:26:39,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f380af-a567-484f-8d00-82fa39d3c9a7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-27 20:26:39,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f380af-a567-484f-8d00-82fa39d3c9a7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:26:39,593 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:26:39,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:39,593 INFO L85 PathProgramCache]: Analyzing trace with hash -1597376700, now seen corresponding path program 2 times [2024-11-27 20:26:39,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:39,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575718503] [2024-11-27 20:26:39,593 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:26:39,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:44,649 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 20:26:44,649 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:26:47,559 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2024-11-27 20:26:47,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:47,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575718503] [2024-11-27 20:26:47,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575718503] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:26:47,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [284486735] [2024-11-27 20:26:47,560 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:26:47,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:26:47,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f380af-a567-484f-8d00-82fa39d3c9a7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:26:47,566 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f380af-a567-484f-8d00-82fa39d3c9a7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:26:47,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f380af-a567-484f-8d00-82fa39d3c9a7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process