./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_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_8187b108-591e-492f-acba-c82e93146810/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8187b108-591e-492f-acba-c82e93146810/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8187b108-591e-492f-acba-c82e93146810/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8187b108-591e-492f-acba-c82e93146810/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8187b108-591e-492f-acba-c82e93146810/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8187b108-591e-492f-acba-c82e93146810/bin/uautomizer-verify-84ZbGMXZE1 --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 83462fd52b0417fe08640aca48aed2176277e9659a50beb2a698b577d9a2b70d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 13:28:33,162 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 13:28:33,217 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8187b108-591e-492f-acba-c82e93146810/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 13:28:33,221 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 13:28:33,222 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 13:28:33,243 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 13:28:33,243 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 13:28:33,243 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 13:28:33,244 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 13:28:33,244 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 13:28:33,244 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 13:28:33,244 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 13:28:33,244 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 13:28:33,244 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 13:28:33,244 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 13:28:33,245 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 13:28:33,245 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 13:28:33,245 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 13:28:33,245 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 13:28:33,245 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 13:28:33,245 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 13:28:33,245 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 13:28:33,245 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 13:28:33,245 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 13:28:33,245 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 13:28:33,245 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 13:28:33,245 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:28:33,246 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:28:33,246 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:28:33,246 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:28:33,246 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 13:28:33,246 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:28:33,246 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:28:33,246 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:28:33,246 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:28:33,246 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 13:28:33,246 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 13:28:33,246 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 13:28:33,246 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 13:28:33,247 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 13:28:33,247 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 13:28:33,247 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 13:28:33,247 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 13:28:33,247 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 13:28:33,247 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 13:28:33,248 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_8187b108-591e-492f-acba-c82e93146810/bin/uautomizer-verify-84ZbGMXZE1 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 -> 83462fd52b0417fe08640aca48aed2176277e9659a50beb2a698b577d9a2b70d [2024-12-02 13:28:33,490 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 13:28:33,498 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 13:28:33,500 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 13:28:33,501 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 13:28:33,502 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 13:28:33,503 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8187b108-591e-492f-acba-c82e93146810/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i [2024-12-02 13:28:36,163 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8187b108-591e-492f-acba-c82e93146810/bin/uautomizer-verify-84ZbGMXZE1/data/1c77c7bae/8d295670dd4740e2b05b1274b140a081/FLAG464b9f7b0 [2024-12-02 13:28:36,601 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 13:28:36,602 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8187b108-591e-492f-acba-c82e93146810/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i [2024-12-02 13:28:36,635 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8187b108-591e-492f-acba-c82e93146810/bin/uautomizer-verify-84ZbGMXZE1/data/1c77c7bae/8d295670dd4740e2b05b1274b140a081/FLAG464b9f7b0 [2024-12-02 13:28:36,739 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8187b108-591e-492f-acba-c82e93146810/bin/uautomizer-verify-84ZbGMXZE1/data/1c77c7bae/8d295670dd4740e2b05b1274b140a081 [2024-12-02 13:28:36,741 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 13:28:36,743 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 13:28:36,744 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 13:28:36,744 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 13:28:36,749 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 13:28:36,750 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:28:36" (1/1) ... [2024-12-02 13:28:36,750 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13fc5b12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:28:36, skipping insertion in model container [2024-12-02 13:28:36,751 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:28:36" (1/1) ... [2024-12-02 13:28:36,823 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 13:28:37,038 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_8187b108-591e-492f-acba-c82e93146810/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i[4500,4513] [2024-12-02 13:28:37,045 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_8187b108-591e-492f-acba-c82e93146810/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i[4560,4573] [2024-12-02 13:28:37,824 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 13:28:37,825 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 13:28:37,825 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 13:28:37,826 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 13:28:37,827 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 13:28:37,842 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 13:28:37,843 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 13:28:37,844 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 13:28:37,845 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 13:28:38,469 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 13:28:38,470 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 13:28:38,548 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:28:38,592 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 13:28:38,603 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_8187b108-591e-492f-acba-c82e93146810/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i[4500,4513] [2024-12-02 13:28:38,603 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_8187b108-591e-492f-acba-c82e93146810/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i[4560,4573] [2024-12-02 13:28:38,636 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 13:28:38,636 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 13:28:38,636 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 13:28:38,636 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 13:28:38,637 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 13:28:38,641 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 13:28:38,641 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 13:28:38,642 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 13:28:38,643 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 13:28:38,728 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2024-12-02 13:28:38,730 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 13:28:38,730 WARN L1675 CHandler]: Possible shadowing of function index [2024-12-02 13:28:38,740 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8755-8766] [2024-12-02 13:28:38,749 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:28:38,919 INFO L204 MainTranslator]: Completed translation [2024-12-02 13:28:38,920 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:28:38 WrapperNode [2024-12-02 13:28:38,920 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 13:28:38,921 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 13:28:38,921 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 13:28:38,921 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 13:28:38,935 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:28:38" (1/1) ... [2024-12-02 13:28:38,988 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:28:38" (1/1) ... [2024-12-02 13:28:39,038 INFO L138 Inliner]: procedures = 679, calls = 2595, calls flagged for inlining = 55, calls inlined = 3, statements flattened = 726 [2024-12-02 13:28:39,038 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 13:28:39,039 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 13:28:39,039 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 13:28:39,039 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 13:28:39,048 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:28:38" (1/1) ... [2024-12-02 13:28:39,048 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:28:38" (1/1) ... [2024-12-02 13:28:39,054 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:28:38" (1/1) ... [2024-12-02 13:28:39,109 INFO L175 MemorySlicer]: Split 504 memory accesses to 5 slices as follows [2, 258, 238, 1, 5]. 51 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [2, 0, 6, 0, 5]. The 489 writes are split as follows [0, 257, 232, 0, 0]. [2024-12-02 13:28:39,109 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:28:38" (1/1) ... [2024-12-02 13:28:39,109 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:28:38" (1/1) ... [2024-12-02 13:28:39,136 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:28:38" (1/1) ... [2024-12-02 13:28:39,138 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:28:38" (1/1) ... [2024-12-02 13:28:39,141 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:28:38" (1/1) ... [2024-12-02 13:28:39,146 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:28:38" (1/1) ... [2024-12-02 13:28:39,149 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:28:38" (1/1) ... [2024-12-02 13:28:39,157 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 13:28:39,158 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 13:28:39,158 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 13:28:39,158 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 13:28:39,159 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:28:38" (1/1) ... [2024-12-02 13:28:39,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:28:39,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8187b108-591e-492f-acba-c82e93146810/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:28:39,190 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8187b108-591e-492f-acba-c82e93146810/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 13:28:39,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8187b108-591e-492f-acba-c82e93146810/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 13:28:39,218 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-12-02 13:28:39,218 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-12-02 13:28:39,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 13:28:39,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 13:28:39,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 13:28:39,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 13:28:39,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 13:28:39,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 13:28:39,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 13:28:39,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 13:28:39,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 13:28:39,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 13:28:39,219 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-02 13:28:39,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-02 13:28:39,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 13:28:39,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 13:28:39,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 13:28:39,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 13:28:39,219 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_array_ignore_case [2024-12-02 13:28:39,219 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_array_ignore_case [2024-12-02 13:28:39,219 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-12-02 13:28:39,219 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-12-02 13:28:39,219 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-12-02 13:28:39,219 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-12-02 13:28:39,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 13:28:39,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 13:28:39,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 13:28:39,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 13:28:39,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 13:28:39,219 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-12-02 13:28:39,219 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-12-02 13:28:39,220 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 13:28:39,220 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 13:28:39,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-12-02 13:28:39,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-12-02 13:28:39,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-12-02 13:28:39,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-12-02 13:28:39,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-12-02 13:28:39,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 13:28:39,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 13:28:39,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 13:28:39,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 13:28:39,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 13:28:39,438 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 13:28:39,440 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 13:28:46,895 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-12-02 13:28:46,895 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 13:28:46,903 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 13:28:46,903 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-02 13:28:46,904 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:28:46 BoogieIcfgContainer [2024-12-02 13:28:46,904 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 13:28:46,906 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 13:28:46,906 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 13:28:46,909 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 13:28:46,910 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:28:36" (1/3) ... [2024-12-02 13:28:46,910 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f2375b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:28:46, skipping insertion in model container [2024-12-02 13:28:46,911 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:28:38" (2/3) ... [2024-12-02 13:28:46,911 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f2375b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:28:46, skipping insertion in model container [2024-12-02 13:28:46,911 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:28:46" (3/3) ... [2024-12-02 13:28:46,912 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_hash_array_ignore_case_harness.i [2024-12-02 13:28:46,924 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 13:28:46,925 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_array_ignore_case_harness.i that has 8 procedures, 57 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 13:28:46,964 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 13:28:46,973 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;@2a3514f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 13:28:46,974 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 13:28:46,976 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 38 states have (on average 1.236842105263158) internal successors, (47), 39 states have internal predecessors, (47), 10 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-12-02 13:28:46,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-12-02 13:28:46,981 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:28:46,982 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:28:46,982 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:28:46,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:28:46,986 INFO L85 PathProgramCache]: Analyzing trace with hash -1269352613, now seen corresponding path program 1 times [2024-12-02 13:28:46,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:28:46,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119066141] [2024-12-02 13:28:46,992 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:28:46,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:30:11,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:30:11,823 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-02 13:30:11,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:30:11,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119066141] [2024-12-02 13:30:11,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119066141] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:30:11,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [245531268] [2024-12-02 13:30:11,824 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:30:11,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:30:11,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8187b108-591e-492f-acba-c82e93146810/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:30:11,826 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8187b108-591e-492f-acba-c82e93146810/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:30:11,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8187b108-591e-492f-acba-c82e93146810/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 13:31:37,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:31:37,811 INFO L256 TraceCheckSpWp]: Trace formula consists of 7423 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 13:31:37,820 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:31:37,831 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-02 13:31:37,831 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:31:37,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [245531268] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:31:37,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:31:37,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 13:31:37,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228130802] [2024-12-02 13:31:37,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:31:37,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 13:31:37,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:31:37,851 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 13:31:37,852 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 13:31:37,853 INFO L87 Difference]: Start difference. First operand has 57 states, 38 states have (on average 1.236842105263158) internal successors, (47), 39 states have internal predecessors, (47), 10 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-12-02 13:31:37,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:31:37,870 INFO L93 Difference]: Finished difference Result 106 states and 133 transitions. [2024-12-02 13:31:37,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 13:31:37,872 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 45 [2024-12-02 13:31:37,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:31:37,877 INFO L225 Difference]: With dead ends: 106 [2024-12-02 13:31:37,877 INFO L226 Difference]: Without dead ends: 51 [2024-12-02 13:31:37,879 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 13:31:37,881 INFO L435 NwaCegarLoop]: 64 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, 64 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 [2024-12-02 13:31:37,882 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:31:37,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-12-02 13:31:37,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2024-12-02 13:31:37,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 34 states have (on average 1.1470588235294117) internal successors, (39), 34 states have internal predecessors, (39), 10 states have call successors, (10), 7 states have call predecessors, (10), 6 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-12-02 13:31:37,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 58 transitions. [2024-12-02 13:31:37,909 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 58 transitions. Word has length 45 [2024-12-02 13:31:37,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:31:37,910 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 58 transitions. [2024-12-02 13:31:37,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-12-02 13:31:37,910 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 58 transitions. [2024-12-02 13:31:37,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-12-02 13:31:37,912 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:31:37,912 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:31:37,931 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8187b108-591e-492f-acba-c82e93146810/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 13:31:38,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8187b108-591e-492f-acba-c82e93146810/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 13:31:38,113 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:31:38,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:31:38,113 INFO L85 PathProgramCache]: Analyzing trace with hash 1226793433, now seen corresponding path program 1 times [2024-12-02 13:31:38,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:31:38,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917949772] [2024-12-02 13:31:38,113 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:31:38,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:33:02,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:33:08,703 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-02 13:33:08,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:33:08,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917949772] [2024-12-02 13:33:08,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917949772] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:33:08,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:33:08,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 13:33:08,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374219255] [2024-12-02 13:33:08,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:33:08,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 13:33:08,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:33:08,705 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 13:33:08,705 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:33:08,705 INFO L87 Difference]: Start difference. First operand 51 states and 58 transitions. Second operand has 8 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 3 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-12-02 13:33:09,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:33:09,218 INFO L93 Difference]: Finished difference Result 62 states and 69 transitions. [2024-12-02 13:33:09,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 13:33:09,219 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 3 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 45 [2024-12-02 13:33:09,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:33:09,221 INFO L225 Difference]: With dead ends: 62 [2024-12-02 13:33:09,221 INFO L226 Difference]: Without dead ends: 53 [2024-12-02 13:33:09,222 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-12-02 13:33:09,223 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 2 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 13:33:09,223 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 352 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 13:33:09,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-12-02 13:33:09,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 52. [2024-12-02 13:33:09,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 35 states have (on average 1.1428571428571428) internal successors, (40), 35 states have internal predecessors, (40), 10 states have call successors, (10), 7 states have call predecessors, (10), 6 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-12-02 13:33:09,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 59 transitions. [2024-12-02 13:33:09,230 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 59 transitions. Word has length 45 [2024-12-02 13:33:09,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:33:09,231 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 59 transitions. [2024-12-02 13:33:09,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 3 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-12-02 13:33:09,232 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 59 transitions. [2024-12-02 13:33:09,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-02 13:33:09,232 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:33:09,233 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:33:09,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 13:33:09,233 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:33:09,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:33:09,233 INFO L85 PathProgramCache]: Analyzing trace with hash -692803706, now seen corresponding path program 1 times [2024-12-02 13:33:09,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:33:09,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080076811] [2024-12-02 13:33:09,234 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:33:09,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:34:33,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:34:35,628 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-02 13:34:35,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:34:35,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080076811] [2024-12-02 13:34:35,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080076811] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:34:35,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:34:35,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:34:35,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960951179] [2024-12-02 13:34:35,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:34:35,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:34:35,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:34:35,630 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:34:35,630 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:34:35,630 INFO L87 Difference]: Start difference. First operand 52 states and 59 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 13:34:35,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:34:35,747 INFO L93 Difference]: Finished difference Result 73 states and 86 transitions. [2024-12-02 13:34:35,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:34:35,748 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) Word has length 49 [2024-12-02 13:34:35,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:34:35,749 INFO L225 Difference]: With dead ends: 73 [2024-12-02 13:34:35,749 INFO L226 Difference]: Without dead ends: 57 [2024-12-02 13:34:35,749 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:34:35,750 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 3 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:34:35,750 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 103 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 13:34:35,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-12-02 13:34:35,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 56. [2024-12-02 13:34:35,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 39 states have (on average 1.1538461538461537) internal successors, (45), 39 states have internal predecessors, (45), 10 states have call successors, (10), 7 states have call predecessors, (10), 6 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-12-02 13:34:35,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 64 transitions. [2024-12-02 13:34:35,759 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 64 transitions. Word has length 49 [2024-12-02 13:34:35,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:34:35,759 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 64 transitions. [2024-12-02 13:34:35,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 13:34:35,759 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 64 transitions. [2024-12-02 13:34:35,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-12-02 13:34:35,761 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:34:35,761 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:34:35,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 13:34:35,762 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:34:35,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:34:35,762 INFO L85 PathProgramCache]: Analyzing trace with hash 666598939, now seen corresponding path program 1 times [2024-12-02 13:34:35,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:34:35,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496005160] [2024-12-02 13:34:35,763 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:34:35,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:36:13,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:36:19,924 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-12-02 13:36:19,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:36:19,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496005160] [2024-12-02 13:36:19,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496005160] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:36:19,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [820062899] [2024-12-02 13:36:19,925 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:36:19,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:36:19,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8187b108-591e-492f-acba-c82e93146810/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:36:19,927 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8187b108-591e-492f-acba-c82e93146810/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:36:19,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8187b108-591e-492f-acba-c82e93146810/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 13:37:45,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:37:46,022 INFO L256 TraceCheckSpWp]: Trace formula consists of 7437 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-02 13:37:46,026 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:37:46,615 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-12-02 13:37:46,615 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:37:47,858 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-12-02 13:37:47,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [820062899] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:37:47,858 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 13:37:47,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 7] total 15 [2024-12-02 13:37:47,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995298496] [2024-12-02 13:37:47,859 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 13:37:47,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-12-02 13:37:47,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:37:47,860 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-12-02 13:37:47,860 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2024-12-02 13:37:47,861 INFO L87 Difference]: Start difference. First operand 56 states and 64 transitions. Second operand has 15 states, 15 states have (on average 2.933333333333333) internal successors, (44), 12 states have internal predecessors, (44), 2 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 13:37:48,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:37:48,528 INFO L93 Difference]: Finished difference Result 60 states and 68 transitions. [2024-12-02 13:37:48,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 13:37:48,528 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.933333333333333) internal successors, (44), 12 states have internal predecessors, (44), 2 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) Word has length 50 [2024-12-02 13:37:48,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:37:48,529 INFO L225 Difference]: With dead ends: 60 [2024-12-02 13:37:48,529 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 13:37:48,529 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2024-12-02 13:37:48,530 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 2 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 13:37:48,530 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 413 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 13:37:48,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 13:37:48,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 13:37:48,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 13:37:48,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 13:37:48,531 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 50 [2024-12-02 13:37:48,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:37:48,531 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 13:37:48,532 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.933333333333333) internal successors, (44), 12 states have internal predecessors, (44), 2 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2024-12-02 13:37:48,532 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 13:37:48,532 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 13:37:48,534 INFO L782 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 13:37:48,559 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8187b108-591e-492f-acba-c82e93146810/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-12-02 13:37:48,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8187b108-591e-492f-acba-c82e93146810/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:37:48,737 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-12-02 13:37:48,738 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 13:37:48,918 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 13:37:48,929 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:37:48 BoogieIcfgContainer [2024-12-02 13:37:48,929 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 13:37:48,930 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 13:37:48,930 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 13:37:48,930 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 13:37:48,931 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:28:46" (3/4) ... [2024-12-02 13:37:48,933 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 13:37:48,938 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_malloc [2024-12-02 13:37:48,939 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2024-12-02 13:37:48,939 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_size_t [2024-12-02 13:37:48,939 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2024-12-02 13:37:48,939 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-12-02 13:37:48,939 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-12-02 13:37:48,939 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_hash_array_ignore_case [2024-12-02 13:37:48,949 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 119 nodes and edges [2024-12-02 13:37:48,950 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2024-12-02 13:37:48,951 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2024-12-02 13:37:48,952 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-12-02 13:37:48,952 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-12-02 13:37:48,953 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-02 13:37:48,954 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-02 13:37:48,955 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 13:37:49,515 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8187b108-591e-492f-acba-c82e93146810/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 13:37:49,515 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8187b108-591e-492f-acba-c82e93146810/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 13:37:49,515 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 13:37:49,516 INFO L158 Benchmark]: Toolchain (without parser) took 552773.26ms. Allocated memory was 142.6MB in the beginning and 2.0GB in the end (delta: 1.9GB). Free memory was 108.1MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 406.1MB. Max. memory is 16.1GB. [2024-12-02 13:37:49,516 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:37:49,517 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2175.96ms. Allocated memory is still 142.6MB. Free memory was 108.1MB in the beginning and 40.3MB in the end (delta: 67.8MB). Peak memory consumption was 94.9MB. Max. memory is 16.1GB. [2024-12-02 13:37:49,517 INFO L158 Benchmark]: Boogie Procedure Inliner took 117.86ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 40.3MB in the beginning and 261.3MB in the end (delta: -221.0MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2024-12-02 13:37:49,517 INFO L158 Benchmark]: Boogie Preprocessor took 118.13ms. Allocated memory is still 327.2MB. Free memory was 261.3MB in the beginning and 250.6MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 13:37:49,517 INFO L158 Benchmark]: RCFGBuilder took 7746.37ms. Allocated memory was 327.2MB in the beginning and 444.6MB in the end (delta: 117.4MB). Free memory was 250.6MB in the beginning and 265.4MB in the end (delta: -14.8MB). Peak memory consumption was 241.5MB. Max. memory is 16.1GB. [2024-12-02 13:37:49,518 INFO L158 Benchmark]: TraceAbstraction took 542023.27ms. Allocated memory was 444.6MB in the beginning and 2.0GB in the end (delta: 1.6GB). Free memory was 265.4MB in the beginning and 1.7GB in the end (delta: -1.5GB). Peak memory consumption was 131.8MB. Max. memory is 16.1GB. [2024-12-02 13:37:49,518 INFO L158 Benchmark]: Witness Printer took 585.57ms. Allocated memory is still 2.0GB. Free memory was 1.7GB in the beginning and 1.6GB in the end (delta: 138.3MB). Peak memory consumption was 134.2MB. Max. memory is 16.1GB. [2024-12-02 13:37:49,520 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2175.96ms. Allocated memory is still 142.6MB. Free memory was 108.1MB in the beginning and 40.3MB in the end (delta: 67.8MB). Peak memory consumption was 94.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 117.86ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 40.3MB in the beginning and 261.3MB in the end (delta: -221.0MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 118.13ms. Allocated memory is still 327.2MB. Free memory was 261.3MB in the beginning and 250.6MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 7746.37ms. Allocated memory was 327.2MB in the beginning and 444.6MB in the end (delta: 117.4MB). Free memory was 250.6MB in the beginning and 265.4MB in the end (delta: -14.8MB). Peak memory consumption was 241.5MB. Max. memory is 16.1GB. * TraceAbstraction took 542023.27ms. Allocated memory was 444.6MB in the beginning and 2.0GB in the end (delta: 1.6GB). Free memory was 265.4MB in the beginning and 1.7GB in the end (delta: -1.5GB). Peak memory consumption was 131.8MB. Max. memory is 16.1GB. * Witness Printer took 585.57ms. Allocated memory is still 2.0GB. Free memory was 1.7GB in the beginning and 1.6GB in the end (delta: 138.3MB). Peak memory consumption was 134.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 8269]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] - GenericResultAtLocation [Line: 8755]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8755-8766] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 223]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 57 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 541.8s, OverallIterations: 4, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7 mSDsluCounter, 932 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 714 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 144 IncrementalHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 218 mSDtfsCounter, 144 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 171 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=0, InterpolantAutomatonStates: 23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 17.5s SatisfiabilityAnalysisTime, 17.6s InterpolantComputationTime, 284 NumberOfCodeBlocks, 284 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 327 ConstructedInterpolants, 0 QuantifiedInterpolants, 600 SizeOfPredicates, 1 NumberOfNonLiveVariables, 14860 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 75/88 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-12-02 13:37:49,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8187b108-591e-492f-acba-c82e93146810/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE