./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_mul_size_saturating_harness_negated.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_2a415cc6-8d6a-4fff-86a9-bca30c12f0be/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a415cc6-8d6a-4fff-86a9-bca30c12f0be/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_2a415cc6-8d6a-4fff-86a9-bca30c12f0be/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a415cc6-8d6a-4fff-86a9-bca30c12f0be/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_mul_size_saturating_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a415cc6-8d6a-4fff-86a9-bca30c12f0be/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_2a415cc6-8d6a-4fff-86a9-bca30c12f0be/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 62819792100d4af92b1840351c5334ae67c27f34c9e4871dea815483843ae0b5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:56:24,621 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:56:24,697 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a415cc6-8d6a-4fff-86a9-bca30c12f0be/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-28 02:56:24,704 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:56:24,704 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:56:24,731 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:56:24,732 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:56:24,732 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:56:24,733 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:56:24,733 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:56:24,733 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:56:24,733 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:56:24,734 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:56:24,734 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:56:24,734 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:56:24,734 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:56:24,734 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:56:24,735 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:56:24,735 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:56:24,735 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:56:24,735 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:56:24,735 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:56:24,735 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:56:24,736 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:56:24,736 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:56:24,736 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:56:24,736 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:56:24,736 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:56:24,736 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:56:24,737 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:56:24,737 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:56:24,737 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:56:24,737 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:56:24,737 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:56:24,737 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:56:24,738 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:56:24,738 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:56:24,738 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:56:24,738 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:56:24,738 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:56:24,738 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:56:24,738 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:56:24,739 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:56:24,739 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:56:24,739 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:56:24,739 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_2a415cc6-8d6a-4fff-86a9-bca30c12f0be/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 -> 62819792100d4af92b1840351c5334ae67c27f34c9e4871dea815483843ae0b5 [2024-11-28 02:56:25,106 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:56:25,124 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:56:25,127 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:56:25,129 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:56:25,129 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:56:25,134 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a415cc6-8d6a-4fff-86a9-bca30c12f0be/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/aws-c-common/aws_mul_size_saturating_harness_negated.i [2024-11-28 02:56:28,744 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a415cc6-8d6a-4fff-86a9-bca30c12f0be/bin/uautomizer-verify-aQ6SnzHsRB/data/bf2dd60ef/6bb90ec2d0bf4095815ae2c17b7737dc/FLAG2cb48640b [2024-11-28 02:56:29,409 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:56:29,410 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a415cc6-8d6a-4fff-86a9-bca30c12f0be/sv-benchmarks/c/aws-c-common/aws_mul_size_saturating_harness_negated.i [2024-11-28 02:56:29,446 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a415cc6-8d6a-4fff-86a9-bca30c12f0be/bin/uautomizer-verify-aQ6SnzHsRB/data/bf2dd60ef/6bb90ec2d0bf4095815ae2c17b7737dc/FLAG2cb48640b [2024-11-28 02:56:29,465 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a415cc6-8d6a-4fff-86a9-bca30c12f0be/bin/uautomizer-verify-aQ6SnzHsRB/data/bf2dd60ef/6bb90ec2d0bf4095815ae2c17b7737dc [2024-11-28 02:56:29,468 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:56:29,470 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:56:29,472 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:56:29,472 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:56:29,478 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:56:29,479 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:56:29" (1/1) ... [2024-11-28 02:56:29,481 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@350364ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:29, skipping insertion in model container [2024-11-28 02:56:29,481 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:56:29" (1/1) ... [2024-11-28 02:56:29,571 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:56:29,873 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_2a415cc6-8d6a-4fff-86a9-bca30c12f0be/sv-benchmarks/c/aws-c-common/aws_mul_size_saturating_harness_negated.i[4497,4510] [2024-11-28 02:56:29,881 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_2a415cc6-8d6a-4fff-86a9-bca30c12f0be/sv-benchmarks/c/aws-c-common/aws_mul_size_saturating_harness_negated.i[4557,4570] [2024-11-28 02:56:30,870 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:56:30,871 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:56:30,872 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:56:30,877 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:56:30,879 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:56:30,920 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:56:30,922 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:56:30,930 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:56:30,931 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:56:30,937 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:56:30,939 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:56:30,939 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:56:30,940 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:56:31,763 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_2a415cc6-8d6a-4fff-86a9-bca30c12f0be/sv-benchmarks/c/aws-c-common/aws_mul_size_saturating_harness_negated.i[156606,156619] [2024-11-28 02:56:31,765 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_2a415cc6-8d6a-4fff-86a9-bca30c12f0be/sv-benchmarks/c/aws-c-common/aws_mul_size_saturating_harness_negated.i[156825,156838] [2024-11-28 02:56:31,765 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_2a415cc6-8d6a-4fff-86a9-bca30c12f0be/sv-benchmarks/c/aws-c-common/aws_mul_size_saturating_harness_negated.i[157021,157034] [2024-11-28 02:56:31,766 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:56:31,809 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:56:31,832 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_2a415cc6-8d6a-4fff-86a9-bca30c12f0be/sv-benchmarks/c/aws-c-common/aws_mul_size_saturating_harness_negated.i[4497,4510] [2024-11-28 02:56:31,836 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_2a415cc6-8d6a-4fff-86a9-bca30c12f0be/sv-benchmarks/c/aws-c-common/aws_mul_size_saturating_harness_negated.i[4557,4570] [2024-11-28 02:56:31,938 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:56:31,939 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:56:31,940 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:56:31,942 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:56:31,943 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:56:31,960 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:56:31,965 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:56:31,967 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:56:31,969 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:56:31,971 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:56:31,973 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:56:31,975 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:56:31,976 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 02:56:32,121 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [6932-6943] [2024-11-28 02:56:32,153 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_2a415cc6-8d6a-4fff-86a9-bca30c12f0be/sv-benchmarks/c/aws-c-common/aws_mul_size_saturating_harness_negated.i[156606,156619] [2024-11-28 02:56:32,155 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_2a415cc6-8d6a-4fff-86a9-bca30c12f0be/sv-benchmarks/c/aws-c-common/aws_mul_size_saturating_harness_negated.i[156825,156838] [2024-11-28 02:56:32,156 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_2a415cc6-8d6a-4fff-86a9-bca30c12f0be/sv-benchmarks/c/aws-c-common/aws_mul_size_saturating_harness_negated.i[157021,157034] [2024-11-28 02:56:32,157 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:56:32,385 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:56:32,386 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:32 WrapperNode [2024-11-28 02:56:32,386 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:56:32,387 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:56:32,387 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:56:32,387 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:56:32,432 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:32" (1/1) ... [2024-11-28 02:56:32,529 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:32" (1/1) ... [2024-11-28 02:56:32,609 INFO L138 Inliner]: procedures = 669, calls = 1209, calls flagged for inlining = 43, calls inlined = 6, statements flattened = 499 [2024-11-28 02:56:32,611 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:56:32,611 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:56:32,612 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:56:32,612 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:56:32,623 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:32" (1/1) ... [2024-11-28 02:56:32,624 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:32" (1/1) ... [2024-11-28 02:56:32,634 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:32" (1/1) ... [2024-11-28 02:56:32,712 INFO L175 MemorySlicer]: Split 240 memory accesses to 2 slices as follows [2, 238]. 99 percent of accesses are in the largest equivalence class. The 8 initializations are split as follows [2, 6]. The 232 writes are split as follows [0, 232]. [2024-11-28 02:56:32,712 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:32" (1/1) ... [2024-11-28 02:56:32,713 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:32" (1/1) ... [2024-11-28 02:56:32,745 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:32" (1/1) ... [2024-11-28 02:56:32,750 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:32" (1/1) ... [2024-11-28 02:56:32,753 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:32" (1/1) ... [2024-11-28 02:56:32,757 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:32" (1/1) ... [2024-11-28 02:56:32,760 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:32" (1/1) ... [2024-11-28 02:56:32,766 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:56:32,767 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:56:32,767 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:56:32,767 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:56:32,769 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:32" (1/1) ... [2024-11-28 02:56:32,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:56:32,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a415cc6-8d6a-4fff-86a9-bca30c12f0be/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:56:32,835 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a415cc6-8d6a-4fff-86a9-bca30c12f0be/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:56:32,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a415cc6-8d6a-4fff-86a9-bca30c12f0be/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:56:32,874 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-28 02:56:32,877 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-28 02:56:32,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-28 02:56:32,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-28 02:56:32,877 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-28 02:56:32,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-28 02:56:32,877 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_u64_saturating [2024-11-28 02:56:32,879 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_u64_saturating [2024-11-28 02:56:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:56:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:56:32,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:56:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-28 02:56:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-28 02:56:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-28 02:56:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-28 02:56:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-28 02:56:32,880 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-28 02:56:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 02:56:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 02:56:33,172 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:56:33,175 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:56:39,316 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-28 02:56:39,317 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:56:39,328 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:56:39,329 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 02:56:39,329 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:56:39 BoogieIcfgContainer [2024-11-28 02:56:39,330 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:56:39,332 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:56:39,332 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:56:39,338 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:56:39,339 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:56:29" (1/3) ... [2024-11-28 02:56:39,340 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f0a842e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:56:39, skipping insertion in model container [2024-11-28 02:56:39,340 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:32" (2/3) ... [2024-11-28 02:56:39,340 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f0a842e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:56:39, skipping insertion in model container [2024-11-28 02:56:39,342 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:56:39" (3/3) ... [2024-11-28 02:56:39,344 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_mul_size_saturating_harness_negated.i [2024-11-28 02:56:39,365 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:56:39,370 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_mul_size_saturating_harness_negated.i that has 5 procedures, 42 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-11-28 02:56:39,452 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:56:39,474 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;@47b1b0f4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:56:39,475 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:56:39,479 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 28 states have (on average 1.25) internal successors, (35), 31 states have internal predecessors, (35), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-28 02:56:39,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-28 02:56:39,490 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:56:39,490 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:56:39,491 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:56:39,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:56:39,499 INFO L85 PathProgramCache]: Analyzing trace with hash -1434111465, now seen corresponding path program 1 times [2024-11-28 02:56:39,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:56:39,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988334419] [2024-11-28 02:56:39,510 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:56:39,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:56:48,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:56:48,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [993371228] [2024-11-28 02:56:48,711 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:56:48,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:56:48,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a415cc6-8d6a-4fff-86a9-bca30c12f0be/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:56:48,717 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a415cc6-8d6a-4fff-86a9-bca30c12f0be/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:56:48,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a415cc6-8d6a-4fff-86a9-bca30c12f0be/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 02:59:34,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:59:34,916 INFO L256 TraceCheckSpWp]: Trace formula consists of 3731 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-28 02:59:34,927 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:59:36,161 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 02:59:36,162 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:59:48,264 WARN L286 SmtUtils]: Spent 5.15s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:00:19,606 WARN L286 SmtUtils]: Spent 12.50s on a formula simplification that was a NOOP. DAG size: 23 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 03:00:20,995 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-28 03:00:20,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:00:20,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988334419] [2024-11-28 03:00:20,997 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:00:20,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [993371228] [2024-11-28 03:00:20,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [993371228] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 03:00:20,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:00:20,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 14 [2024-11-28 03:00:21,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958122823] [2024-11-28 03:00:21,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:00:21,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 03:00:21,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:00:21,026 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 03:00:21,027 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=142, Unknown=3, NotChecked=0, Total=182 [2024-11-28 03:00:21,030 INFO L87 Difference]: Start difference. First operand has 42 states, 28 states have (on average 1.25) internal successors, (35), 31 states have internal predecessors, (35), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 03:00:25,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:00:29,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:00:42,884 WARN L286 SmtUtils]: Spent 13.10s on a formula simplification that was a NOOP. DAG size: 29 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 03:00:47,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.83s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:00:51,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:00:55,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:00:57,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:01:02,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:01:06,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:01:10,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:01:14,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:01:16,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-28 03:01:16,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:01:16,067 INFO L93 Difference]: Finished difference Result 60 states and 74 transitions. [2024-11-28 03:01:16,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 03:01:16,070 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20 [2024-11-28 03:01:16,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:01:16,076 INFO L225 Difference]: With dead ends: 60 [2024-11-28 03:01:16,076 INFO L226 Difference]: Without dead ends: 36 [2024-11-28 03:01:16,079 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 44.6s TimeCoverageRelationStatistics Valid=47, Invalid=190, Unknown=3, NotChecked=0, Total=240 [2024-11-28 03:01:16,082 INFO L435 NwaCegarLoop]: 45 mSDtfsCounter, 3 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 2 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:01:16,083 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 249 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 59 Invalid, 8 Unknown, 0 Unchecked, 41.3s Time] [2024-11-28 03:01:16,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-11-28 03:01:16,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2024-11-28 03:01:16,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 27 states have internal predecessors, (29), 8 states have call successors, (8), 4 states have call predecessors, (8), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-28 03:01:16,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 41 transitions. [2024-11-28 03:01:16,119 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 41 transitions. Word has length 20 [2024-11-28 03:01:16,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:01:16,120 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 41 transitions. [2024-11-28 03:01:16,121 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 03:01:16,121 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 41 transitions. [2024-11-28 03:01:16,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-28 03:01:16,123 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:01:16,123 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:01:16,324 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a415cc6-8d6a-4fff-86a9-bca30c12f0be/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forcibly destroying the process [2024-11-28 03:01:16,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a415cc6-8d6a-4fff-86a9-bca30c12f0be/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 137 [2024-11-28 03:01:16,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a415cc6-8d6a-4fff-86a9-bca30c12f0be/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:01:16,380 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:01:16,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:01:16,381 INFO L85 PathProgramCache]: Analyzing trace with hash -1436941610, now seen corresponding path program 1 times [2024-11-28 03:01:16,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:01:16,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819131992] [2024-11-28 03:01:16,382 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:01:16,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:01:23,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:01:23,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [781951763] [2024-11-28 03:01:23,863 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:01:23,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:01:23,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a415cc6-8d6a-4fff-86a9-bca30c12f0be/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:01:23,865 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a415cc6-8d6a-4fff-86a9-bca30c12f0be/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:01:23,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a415cc6-8d6a-4fff-86a9-bca30c12f0be/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process