./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d876244-f97f-46e6-bc25-7a498152a33a/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d876244-f97f-46e6-bc25-7a498152a33a/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d876244-f97f-46e6-bc25-7a498152a33a/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d876244-f97f-46e6-bc25-7a498152a33a/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d876244-f97f-46e6-bc25-7a498152a33a/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d876244-f97f-46e6-bc25-7a498152a33a/bin/utaipan-verify-t7M7D8N6sZ --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bd635b7902366e8a0b08b14a90a1f3949f04bf734a3e09a83f5077ced842f5da --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:45:45,438 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:45:45,569 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d876244-f97f-46e6-bc25-7a498152a33a/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 04:45:45,579 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:45:45,580 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:45:45,631 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:45:45,632 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:45:45,632 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:45:45,633 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:45:45,641 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:45:45,641 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:45:45,643 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:45:45,643 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:45:45,645 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:45:45,646 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:45:45,646 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:45:45,647 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:45:45,647 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:45:45,648 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:45:45,648 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:45:45,649 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:45:45,649 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:45:45,650 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:45:45,651 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:45:45,652 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:45:45,652 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:45:45,652 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:45:45,653 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:45:45,653 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:45:45,654 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:45:45,655 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:45:45,655 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:45:45,656 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:45:45,656 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:45:45,656 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:45:45,657 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:45:45,657 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:45:45,657 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:45:45,658 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:45:45,658 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:45:45,658 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:45:45,659 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:45:45,659 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:45:45,659 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:45:45,660 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:45:45,660 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d876244-f97f-46e6-bc25-7a498152a33a/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d876244-f97f-46e6-bc25-7a498152a33a/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd635b7902366e8a0b08b14a90a1f3949f04bf734a3e09a83f5077ced842f5da [2023-11-19 04:45:45,965 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:45:45,991 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:45:45,994 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:45:45,996 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:45:45,997 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:45:46,000 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d876244-f97f-46e6-bc25-7a498152a33a/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i [2023-11-19 04:45:49,136 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:45:49,569 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:45:49,570 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d876244-f97f-46e6-bc25-7a498152a33a/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i [2023-11-19 04:45:49,599 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d876244-f97f-46e6-bc25-7a498152a33a/bin/utaipan-verify-t7M7D8N6sZ/data/95af8e916/6f334a1cc5124bf981e6e10b95f0c57b/FLAGb917e1207 [2023-11-19 04:45:49,617 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d876244-f97f-46e6-bc25-7a498152a33a/bin/utaipan-verify-t7M7D8N6sZ/data/95af8e916/6f334a1cc5124bf981e6e10b95f0c57b [2023-11-19 04:45:49,627 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:45:49,628 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:45:49,631 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:45:49,631 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:45:49,637 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:45:49,638 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:45:49" (1/1) ... [2023-11-19 04:45:49,639 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5453c01f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:49, skipping insertion in model container [2023-11-19 04:45:49,640 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:45:49" (1/1) ... [2023-11-19 04:45:49,714 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:45:50,308 WARN L240 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_0d876244-f97f-46e6-bc25-7a498152a33a/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i[44118,44131] [2023-11-19 04:45:50,326 WARN L240 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_0d876244-f97f-46e6-bc25-7a498152a33a/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i[44660,44673] [2023-11-19 04:45:50,453 WARN L240 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_0d876244-f97f-46e6-bc25-7a498152a33a/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i[56247,56260] [2023-11-19 04:45:50,454 WARN L240 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_0d876244-f97f-46e6-bc25-7a498152a33a/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i[56368,56381] [2023-11-19 04:45:50,476 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:45:50,505 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:45:50,545 WARN L240 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_0d876244-f97f-46e6-bc25-7a498152a33a/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i[44118,44131] [2023-11-19 04:45:50,547 WARN L240 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_0d876244-f97f-46e6-bc25-7a498152a33a/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i[44660,44673] [2023-11-19 04:45:50,675 WARN L240 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_0d876244-f97f-46e6-bc25-7a498152a33a/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i[56247,56260] [2023-11-19 04:45:50,676 WARN L240 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_0d876244-f97f-46e6-bc25-7a498152a33a/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i[56368,56381] [2023-11-19 04:45:50,689 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:45:50,756 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:45:50,764 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:45:50,765 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:50 WrapperNode [2023-11-19 04:45:50,765 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:45:50,766 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:45:50,766 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:45:50,766 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:45:50,772 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:50" (1/1) ... [2023-11-19 04:45:50,818 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:50" (1/1) ... [2023-11-19 04:45:51,000 INFO L138 Inliner]: procedures = 282, calls = 347, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1542 [2023-11-19 04:45:51,002 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:45:51,003 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:45:51,003 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:45:51,004 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:45:51,014 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:50" (1/1) ... [2023-11-19 04:45:51,014 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:50" (1/1) ... [2023-11-19 04:45:51,039 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:50" (1/1) ... [2023-11-19 04:45:51,040 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:50" (1/1) ... [2023-11-19 04:45:51,110 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:50" (1/1) ... [2023-11-19 04:45:51,144 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:50" (1/1) ... [2023-11-19 04:45:51,179 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:50" (1/1) ... [2023-11-19 04:45:51,189 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:50" (1/1) ... [2023-11-19 04:45:51,218 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:45:51,219 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:45:51,220 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:45:51,220 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:45:51,221 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:50" (1/1) ... [2023-11-19 04:45:51,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:45:51,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d876244-f97f-46e6-bc25-7a498152a33a/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:45:51,259 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d876244-f97f-46e6-bc25-7a498152a33a/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:45:51,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d876244-f97f-46e6-bc25-7a498152a33a/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:45:51,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:45:51,313 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 04:45:51,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:45:51,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:45:51,313 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2023-11-19 04:45:51,313 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2023-11-19 04:45:51,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:45:51,314 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 04:45:51,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 04:45:51,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:45:51,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:45:51,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:45:51,315 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2023-11-19 04:45:51,315 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2023-11-19 04:45:51,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:45:51,316 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2023-11-19 04:45:51,316 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2023-11-19 04:45:51,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:45:51,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:45:51,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:45:51,628 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:45:51,630 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:45:53,468 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:45:55,392 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:45:55,392 INFO L302 CfgBuilder]: Removed 72 assume(true) statements. [2023-11-19 04:45:55,406 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:45:55 BoogieIcfgContainer [2023-11-19 04:45:55,407 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:45:55,411 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:45:55,411 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:45:55,415 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:45:55,415 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:45:49" (1/3) ... [2023-11-19 04:45:55,416 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ee573a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:45:55, skipping insertion in model container [2023-11-19 04:45:55,417 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:50" (2/3) ... [2023-11-19 04:45:55,418 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ee573a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:45:55, skipping insertion in model container [2023-11-19 04:45:55,419 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:45:55" (3/3) ... [2023-11-19 04:45:55,420 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test6-2.i [2023-11-19 04:45:55,444 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:45:55,444 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-19 04:45:55,523 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:45:55,533 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, 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;@152db359, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:45:55,533 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-11-19 04:45:55,540 INFO L276 IsEmpty]: Start isEmpty. Operand has 169 states, 145 states have (on average 1.6689655172413793) internal successors, (242), 149 states have internal predecessors, (242), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-19 04:45:55,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 04:45:55,548 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:45:55,549 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:45:55,549 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-19 04:45:55,557 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:45:55,557 INFO L85 PathProgramCache]: Analyzing trace with hash -35869811, now seen corresponding path program 1 times [2023-11-19 04:45:55,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:45:55,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970018183] [2023-11-19 04:45:55,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:45:55,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:45:55,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:45:55,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:45:55,837 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:45:55,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970018183] [2023-11-19 04:45:55,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970018183] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:45:55,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:45:55,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:45:55,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34688925] [2023-11-19 04:45:55,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:45:55,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 04:45:55,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:45:55,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 04:45:55,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:45:55,886 INFO L87 Difference]: Start difference. First operand has 169 states, 145 states have (on average 1.6689655172413793) internal successors, (242), 149 states have internal predecessors, (242), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2023-11-19 04:45:57,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:45:59,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:46:01,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:46:04,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:46:05,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:46:05,068 INFO L93 Difference]: Finished difference Result 286 states and 470 transitions. [2023-11-19 04:46:05,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 04:46:05,070 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) Word has length 7 [2023-11-19 04:46:05,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:46:05,079 INFO L225 Difference]: With dead ends: 286 [2023-11-19 04:46:05,080 INFO L226 Difference]: Without dead ends: 108 [2023-11-19 04:46:05,083 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:46:05,087 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2023-11-19 04:46:05,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 112 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 2 Unknown, 0 Unchecked, 9.1s Time] [2023-11-19 04:46:05,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2023-11-19 04:46:05,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2023-11-19 04:46:05,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 88 states have (on average 1.1363636363636365) internal successors, (100), 91 states have internal predecessors, (100), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-19 04:46:05,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 126 transitions. [2023-11-19 04:46:05,133 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 126 transitions. Word has length 7 [2023-11-19 04:46:05,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:46:05,134 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 126 transitions. [2023-11-19 04:46:05,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2023-11-19 04:46:05,134 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 126 transitions. [2023-11-19 04:46:05,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 04:46:05,135 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:46:05,135 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:46:05,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 04:46:05,136 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-19 04:46:05,136 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:46:05,137 INFO L85 PathProgramCache]: Analyzing trace with hash -24229221, now seen corresponding path program 1 times [2023-11-19 04:46:05,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:46:05,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504359870] [2023-11-19 04:46:05,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:46:05,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:46:05,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:46:05,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:46:05,391 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:46:05,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504359870] [2023-11-19 04:46:05,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504359870] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:46:05,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:46:05,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:46:05,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840200711] [2023-11-19 04:46:05,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:46:05,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 04:46:05,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:46:05,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 04:46:05,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 04:46:05,395 INFO L87 Difference]: Start difference. First operand 108 states and 126 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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) [2023-11-19 04:46:07,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:46:09,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:46:11,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:46:13,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:46:13,701 INFO L93 Difference]: Finished difference Result 232 states and 272 transitions. [2023-11-19 04:46:13,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 04:46:13,702 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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) Word has length 9 [2023-11-19 04:46:13,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:46:13,704 INFO L225 Difference]: With dead ends: 232 [2023-11-19 04:46:13,704 INFO L226 Difference]: Without dead ends: 120 [2023-11-19 04:46:13,706 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 04:46:13,707 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 25 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2023-11-19 04:46:13,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 272 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 97 Invalid, 2 Unknown, 0 Unchecked, 8.3s Time] [2023-11-19 04:46:13,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2023-11-19 04:46:13,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 110. [2023-11-19 04:46:13,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 90 states have (on average 1.1222222222222222) internal successors, (101), 93 states have internal predecessors, (101), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-19 04:46:13,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 127 transitions. [2023-11-19 04:46:13,725 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 127 transitions. Word has length 9 [2023-11-19 04:46:13,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:46:13,726 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 127 transitions. [2023-11-19 04:46:13,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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) [2023-11-19 04:46:13,726 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 127 transitions. [2023-11-19 04:46:13,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 04:46:13,727 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:46:13,728 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:46:13,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 04:46:13,728 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-19 04:46:13,729 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:46:13,729 INFO L85 PathProgramCache]: Analyzing trace with hash 1875811628, now seen corresponding path program 1 times [2023-11-19 04:46:13,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:46:13,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043886286] [2023-11-19 04:46:13,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:46:13,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:46:13,793 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 04:46:13,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [989616321] [2023-11-19 04:46:13,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:46:13,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:46:13,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d876244-f97f-46e6-bc25-7a498152a33a/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:46:13,803 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d876244-f97f-46e6-bc25-7a498152a33a/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:46:13,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d876244-f97f-46e6-bc25-7a498152a33a/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 04:46:15,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:46:15,211 INFO L262 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:46:15,220 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:46:15,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:46:15,294 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:46:15,295 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:46:15,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043886286] [2023-11-19 04:46:15,295 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 04:46:15,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [989616321] [2023-11-19 04:46:15,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [989616321] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:46:15,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:46:15,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 04:46:15,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419416780] [2023-11-19 04:46:15,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:46:15,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 04:46:15,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:46:15,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 04:46:15,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-19 04:46:15,302 INFO L87 Difference]: Start difference. First operand 110 states and 127 transitions. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 04:46:17,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:46:19,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:46:21,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:46:23,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:46:25,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:46:26,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-19 04:46:28,676 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-19 04:46:29,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:46:29,140 INFO L93 Difference]: Finished difference Result 121 states and 138 transitions. [2023-11-19 04:46:29,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 04:46:29,140 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2023-11-19 04:46:29,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:46:29,142 INFO L225 Difference]: With dead ends: 121 [2023-11-19 04:46:29,142 INFO L226 Difference]: Without dead ends: 119 [2023-11-19 04:46:29,143 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-19 04:46:29,144 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 11 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 2 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.8s IncrementalHoareTripleChecker+Time [2023-11-19 04:46:29,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 490 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 134 Invalid, 5 Unknown, 0 Unchecked, 13.8s Time] [2023-11-19 04:46:29,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2023-11-19 04:46:29,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2023-11-19 04:46:29,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 96 states have (on average 1.125) internal successors, (108), 100 states have internal predecessors, (108), 14 states have call successors, (14), 6 states have call predecessors, (14), 6 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-19 04:46:29,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 136 transitions. [2023-11-19 04:46:29,159 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 136 transitions. Word has length 21 [2023-11-19 04:46:29,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:46:29,160 INFO L495 AbstractCegarLoop]: Abstraction has 119 states and 136 transitions. [2023-11-19 04:46:29,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 04:46:29,160 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 136 transitions. [2023-11-19 04:46:29,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 04:46:29,162 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:46:29,162 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:46:29,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d876244-f97f-46e6-bc25-7a498152a33a/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 04:46:29,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d876244-f97f-46e6-bc25-7a498152a33a/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:46:29,372 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-19 04:46:29,373 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:46:29,373 INFO L85 PathProgramCache]: Analyzing trace with hash -1683427726, now seen corresponding path program 1 times [2023-11-19 04:46:29,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:46:29,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246763120] [2023-11-19 04:46:29,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:46:29,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:46:29,441 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 04:46:29,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [372508743] [2023-11-19 04:46:29,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:46:29,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:46:29,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d876244-f97f-46e6-bc25-7a498152a33a/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:46:29,443 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d876244-f97f-46e6-bc25-7a498152a33a/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:46:29,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d876244-f97f-46e6-bc25-7a498152a33a/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 04:46:29,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:46:29,828 INFO L262 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:46:29,833 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:46:29,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:46:29,932 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:46:29,932 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:46:29,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246763120] [2023-11-19 04:46:29,932 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 04:46:29,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [372508743] [2023-11-19 04:46:29,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [372508743] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:46:29,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:46:29,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:46:29,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466756912] [2023-11-19 04:46:29,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:46:29,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:46:29,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:46:29,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:46:29,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:46:29,936 INFO L87 Difference]: Start difference. First operand 119 states and 136 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 04:46:31,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:46:31,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:46:31,963 INFO L93 Difference]: Finished difference Result 119 states and 136 transitions. [2023-11-19 04:46:31,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:46:31,968 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2023-11-19 04:46:31,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:46:31,968 INFO L225 Difference]: With dead ends: 119 [2023-11-19 04:46:31,969 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 04:46:31,970 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:46:31,971 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:46:31,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-19 04:46:31,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 04:46:31,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 04:46:31,973 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) [2023-11-19 04:46:31,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 04:46:31,973 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2023-11-19 04:46:31,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:46:31,974 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 04:46:31,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 04:46:31,974 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 04:46:31,974 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 04:46:31,976 INFO L805 garLoopResultBuilder]: Registering result SAFE for location alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-11-19 04:46:31,977 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 4 remaining) [2023-11-19 04:46:31,977 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2023-11-19 04:46:31,977 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2023-11-19 04:46:32,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d876244-f97f-46e6-bc25-7a498152a33a/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-19 04:46:32,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d876244-f97f-46e6-bc25-7a498152a33a/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:46:32,180 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 04:46:32,279 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 949 956) the Hoare annotation is: true [2023-11-19 04:46:32,279 INFO L902 garLoopResultBuilder]: At program point L953(line 953) the Hoare annotation is: true [2023-11-19 04:46:32,280 INFO L899 garLoopResultBuilder]: For program point L952(lines 952 954) no Hoare annotation was computed. [2023-11-19 04:46:32,280 INFO L899 garLoopResultBuilder]: For program point alt_mallocEXIT(lines 949 956) no Hoare annotation was computed. [2023-11-19 04:46:32,280 INFO L899 garLoopResultBuilder]: For program point L952-1(lines 952 954) no Hoare annotation was computed. [2023-11-19 04:46:32,280 INFO L899 garLoopResultBuilder]: For program point L961(line 961) no Hoare annotation was computed. [2023-11-19 04:46:32,280 INFO L899 garLoopResultBuilder]: For program point L960(lines 960 962) no Hoare annotation was computed. [2023-11-19 04:46:32,280 INFO L899 garLoopResultBuilder]: For program point alt_freeEXIT(lines 957 964) no Hoare annotation was computed. [2023-11-19 04:46:32,280 INFO L899 garLoopResultBuilder]: For program point L960-2(lines 960 962) no Hoare annotation was computed. [2023-11-19 04:46:32,280 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 957 964) the Hoare annotation is: true [2023-11-19 04:46:32,281 INFO L899 garLoopResultBuilder]: For program point alt_freeErr0ASSERT_VIOLATIONERROR_FUNCTION(line 961) no Hoare annotation was computed. [2023-11-19 04:46:32,281 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2023-11-19 04:46:32,281 INFO L899 garLoopResultBuilder]: For program point alt_bzeroEXIT(lines 972 976) no Hoare annotation was computed. [2023-11-19 04:46:32,281 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 972 976) the Hoare annotation is: true [2023-11-19 04:46:32,281 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 1008) no Hoare annotation was computed. [2023-11-19 04:46:32,281 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 04:46:32,281 INFO L899 garLoopResultBuilder]: For program point L989-1(lines 989 997) no Hoare annotation was computed. [2023-11-19 04:46:32,282 INFO L899 garLoopResultBuilder]: For program point L989-3(lines 989 997) no Hoare annotation was computed. [2023-11-19 04:46:32,282 INFO L895 garLoopResultBuilder]: At program point L989-4(lines 989 997) the Hoare annotation is: (and (= (select (select |#memory_int| |ULTIMATE.start_main_~#i~0#1.base|) |ULTIMATE.start_main_~#i~0#1.offset|) 0) (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0)) [2023-11-19 04:46:32,282 INFO L899 garLoopResultBuilder]: For program point L989-5(lines 989 997) no Hoare annotation was computed. [2023-11-19 04:46:32,282 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1004) no Hoare annotation was computed. [2023-11-19 04:46:32,282 INFO L899 garLoopResultBuilder]: For program point L998-1(lines 998 1006) no Hoare annotation was computed. [2023-11-19 04:46:32,283 INFO L899 garLoopResultBuilder]: For program point L998-3(lines 998 1006) no Hoare annotation was computed. [2023-11-19 04:46:32,283 INFO L895 garLoopResultBuilder]: At program point L998-4(lines 998 1006) the Hoare annotation is: false [2023-11-19 04:46:32,283 INFO L899 garLoopResultBuilder]: For program point L998-5(lines 998 1006) no Hoare annotation was computed. [2023-11-19 04:46:32,283 INFO L899 garLoopResultBuilder]: For program point L996-68(line 996) no Hoare annotation was computed. [2023-11-19 04:46:32,283 INFO L902 garLoopResultBuilder]: At program point L996-69(line 996) the Hoare annotation is: true [2023-11-19 04:46:32,283 INFO L899 garLoopResultBuilder]: For program point L996-70(line 996) no Hoare annotation was computed. [2023-11-19 04:46:32,283 INFO L902 garLoopResultBuilder]: At program point L996-71(line 996) the Hoare annotation is: true [2023-11-19 04:46:32,283 INFO L899 garLoopResultBuilder]: For program point L1001-3(line 1001) no Hoare annotation was computed. [2023-11-19 04:46:32,284 INFO L895 garLoopResultBuilder]: At program point L1001-4(line 1001) the Hoare annotation is: false [2023-11-19 04:46:32,284 INFO L899 garLoopResultBuilder]: For program point L1001-5(line 1001) no Hoare annotation was computed. [2023-11-19 04:46:32,284 INFO L899 garLoopResultBuilder]: For program point L999-68(line 999) no Hoare annotation was computed. [2023-11-19 04:46:32,284 INFO L895 garLoopResultBuilder]: At program point L1001-6(line 1001) the Hoare annotation is: false [2023-11-19 04:46:32,284 INFO L902 garLoopResultBuilder]: At program point L999-69(line 999) the Hoare annotation is: true [2023-11-19 04:46:32,284 INFO L899 garLoopResultBuilder]: For program point L1001-7(line 1001) no Hoare annotation was computed. [2023-11-19 04:46:32,284 INFO L899 garLoopResultBuilder]: For program point L999-70(line 999) no Hoare annotation was computed. [2023-11-19 04:46:32,284 INFO L902 garLoopResultBuilder]: At program point L999-71(line 999) the Hoare annotation is: true [2023-11-19 04:46:32,285 INFO L899 garLoopResultBuilder]: For program point L1001-12(line 1001) no Hoare annotation was computed. [2023-11-19 04:46:32,285 INFO L899 garLoopResultBuilder]: For program point L996-170(line 996) no Hoare annotation was computed. [2023-11-19 04:46:32,285 INFO L899 garLoopResultBuilder]: For program point L1001-15(line 1001) no Hoare annotation was computed. [2023-11-19 04:46:32,285 INFO L902 garLoopResultBuilder]: At program point L996-171(line 996) the Hoare annotation is: true [2023-11-19 04:46:32,285 INFO L895 garLoopResultBuilder]: At program point L1001-16(line 1001) the Hoare annotation is: false [2023-11-19 04:46:32,285 INFO L899 garLoopResultBuilder]: For program point L996-172(line 996) no Hoare annotation was computed. [2023-11-19 04:46:32,285 INFO L899 garLoopResultBuilder]: For program point L1001-17(line 1001) no Hoare annotation was computed. [2023-11-19 04:46:32,285 INFO L899 garLoopResultBuilder]: For program point L996-173(line 996) no Hoare annotation was computed. [2023-11-19 04:46:32,285 INFO L902 garLoopResultBuilder]: At program point L996-174(line 996) the Hoare annotation is: true [2023-11-19 04:46:32,286 INFO L899 garLoopResultBuilder]: For program point L996-175(line 996) no Hoare annotation was computed. [2023-11-19 04:46:32,286 INFO L902 garLoopResultBuilder]: At program point L996-176(line 996) the Hoare annotation is: true [2023-11-19 04:46:32,286 INFO L899 garLoopResultBuilder]: For program point L996-178(line 996) no Hoare annotation was computed. [2023-11-19 04:46:32,286 INFO L899 garLoopResultBuilder]: For program point L996-180(line 996) no Hoare annotation was computed. [2023-11-19 04:46:32,286 INFO L899 garLoopResultBuilder]: For program point L996-181(line 996) no Hoare annotation was computed. [2023-11-19 04:46:32,286 INFO L899 garLoopResultBuilder]: For program point L1001-26(line 1001) no Hoare annotation was computed. [2023-11-19 04:46:32,286 INFO L895 garLoopResultBuilder]: At program point L1001-27(line 1001) the Hoare annotation is: false [2023-11-19 04:46:32,286 INFO L895 garLoopResultBuilder]: At program point L996-183(line 996) the Hoare annotation is: false [2023-11-19 04:46:32,286 INFO L899 garLoopResultBuilder]: For program point L996-184(line 996) no Hoare annotation was computed. [2023-11-19 04:46:32,287 INFO L895 garLoopResultBuilder]: At program point L996-185(line 996) the Hoare annotation is: false [2023-11-19 04:46:32,291 INFO L899 garLoopResultBuilder]: For program point L996-186(line 996) no Hoare annotation was computed. [2023-11-19 04:46:32,291 INFO L899 garLoopResultBuilder]: For program point L996-187(line 996) no Hoare annotation was computed. [2023-11-19 04:46:32,291 INFO L895 garLoopResultBuilder]: At program point L996-188(line 996) the Hoare annotation is: false [2023-11-19 04:46:32,292 INFO L899 garLoopResultBuilder]: For program point L996-189(line 996) no Hoare annotation was computed. [2023-11-19 04:46:32,292 INFO L895 garLoopResultBuilder]: At program point L996-191(line 996) the Hoare annotation is: false [2023-11-19 04:46:32,292 INFO L899 garLoopResultBuilder]: For program point L996-192(line 996) no Hoare annotation was computed. [2023-11-19 04:46:32,293 INFO L899 garLoopResultBuilder]: For program point L996-193(line 996) no Hoare annotation was computed. [2023-11-19 04:46:32,293 INFO L899 garLoopResultBuilder]: For program point L1001-38(line 1001) no Hoare annotation was computed. [2023-11-19 04:46:32,293 INFO L895 garLoopResultBuilder]: At program point L996-194(line 996) the Hoare annotation is: false [2023-11-19 04:46:32,293 INFO L895 garLoopResultBuilder]: At program point L1001-39(line 1001) the Hoare annotation is: false [2023-11-19 04:46:32,294 INFO L899 garLoopResultBuilder]: For program point L996-195(line 996) no Hoare annotation was computed. [2023-11-19 04:46:32,294 INFO L899 garLoopResultBuilder]: For program point L1001-40(line 1001) no Hoare annotation was computed. [2023-11-19 04:46:32,295 INFO L899 garLoopResultBuilder]: For program point L1001-41(line 1001) no Hoare annotation was computed. [2023-11-19 04:46:32,295 INFO L899 garLoopResultBuilder]: For program point L1001-42(line 1001) no Hoare annotation was computed. [2023-11-19 04:46:32,295 INFO L899 garLoopResultBuilder]: For program point L996-198(line 996) no Hoare annotation was computed. [2023-11-19 04:46:32,295 INFO L895 garLoopResultBuilder]: At program point L1001-43(line 1001) the Hoare annotation is: false [2023-11-19 04:46:32,295 INFO L895 garLoopResultBuilder]: At program point L996-199(line 996) the Hoare annotation is: false [2023-11-19 04:46:32,295 INFO L899 garLoopResultBuilder]: For program point L1001-44(line 1001) no Hoare annotation was computed. [2023-11-19 04:46:32,296 INFO L899 garLoopResultBuilder]: For program point L996-207(line 996) no Hoare annotation was computed. [2023-11-19 04:46:32,296 INFO L895 garLoopResultBuilder]: At program point L996-208(line 996) the Hoare annotation is: false [2023-11-19 04:46:32,298 INFO L899 garLoopResultBuilder]: For program point L996-215(line 996) no Hoare annotation was computed. [2023-11-19 04:46:32,298 INFO L895 garLoopResultBuilder]: At program point L996-217(line 996) the Hoare annotation is: false [2023-11-19 04:46:32,299 INFO L899 garLoopResultBuilder]: For program point L996-218(line 996) no Hoare annotation was computed. [2023-11-19 04:46:32,299 INFO L899 garLoopResultBuilder]: For program point L996-219(line 996) no Hoare annotation was computed. [2023-11-19 04:46:32,300 INFO L895 garLoopResultBuilder]: At program point L996-221(line 996) the Hoare annotation is: false [2023-11-19 04:46:32,300 INFO L899 garLoopResultBuilder]: For program point L996-222(line 996) no Hoare annotation was computed. [2023-11-19 04:46:32,300 INFO L899 garLoopResultBuilder]: For program point L996-232(line 996) no Hoare annotation was computed. [2023-11-19 04:46:32,300 INFO L899 garLoopResultBuilder]: For program point L996-242(line 996) no Hoare annotation was computed. [2023-11-19 04:46:32,300 INFO L895 garLoopResultBuilder]: At program point L996-243(line 996) the Hoare annotation is: false [2023-11-19 04:46:32,300 INFO L899 garLoopResultBuilder]: For program point L996-244(line 996) no Hoare annotation was computed. [2023-11-19 04:46:32,301 INFO L899 garLoopResultBuilder]: For program point L1004(line 1004) no Hoare annotation was computed. [2023-11-19 04:46:32,301 INFO L895 garLoopResultBuilder]: At program point L996-253(line 996) the Hoare annotation is: false [2023-11-19 04:46:32,301 INFO L895 garLoopResultBuilder]: At program point L996-255(line 996) the Hoare annotation is: false [2023-11-19 04:46:32,301 INFO L899 garLoopResultBuilder]: For program point L996-256(line 996) no Hoare annotation was computed. [2023-11-19 04:46:32,301 INFO L895 garLoopResultBuilder]: At program point L996-257(line 996) the Hoare annotation is: false [2023-11-19 04:46:32,302 INFO L899 garLoopResultBuilder]: For program point L996-258(line 996) no Hoare annotation was computed. [2023-11-19 04:46:32,302 INFO L899 garLoopResultBuilder]: For program point L999-170(line 999) no Hoare annotation was computed. [2023-11-19 04:46:32,302 INFO L899 garLoopResultBuilder]: For program point L996-264(line 996) no Hoare annotation was computed. [2023-11-19 04:46:32,302 INFO L902 garLoopResultBuilder]: At program point L999-171(line 999) the Hoare annotation is: true [2023-11-19 04:46:32,302 INFO L899 garLoopResultBuilder]: For program point L996-265(line 996) no Hoare annotation was computed. [2023-11-19 04:46:32,302 INFO L899 garLoopResultBuilder]: For program point L999-172(line 999) no Hoare annotation was computed. [2023-11-19 04:46:32,303 INFO L895 garLoopResultBuilder]: At program point L996-266(line 996) the Hoare annotation is: false [2023-11-19 04:46:32,303 INFO L899 garLoopResultBuilder]: For program point L999-173(line 999) no Hoare annotation was computed. [2023-11-19 04:46:32,304 INFO L902 garLoopResultBuilder]: At program point L999-174(line 999) the Hoare annotation is: true [2023-11-19 04:46:32,304 INFO L899 garLoopResultBuilder]: For program point L996-268(line 996) no Hoare annotation was computed. [2023-11-19 04:46:32,304 INFO L899 garLoopResultBuilder]: For program point L999-175(line 999) no Hoare annotation was computed. [2023-11-19 04:46:32,304 INFO L899 garLoopResultBuilder]: For program point L996-269(line 996) no Hoare annotation was computed. [2023-11-19 04:46:32,305 INFO L902 garLoopResultBuilder]: At program point L999-176(line 999) the Hoare annotation is: true [2023-11-19 04:46:32,305 INFO L895 garLoopResultBuilder]: At program point L996-270(line 996) the Hoare annotation is: false [2023-11-19 04:46:32,305 INFO L899 garLoopResultBuilder]: For program point L996-271(line 996) no Hoare annotation was computed. [2023-11-19 04:46:32,305 INFO L899 garLoopResultBuilder]: For program point L999-178(line 999) no Hoare annotation was computed. [2023-11-19 04:46:32,305 INFO L899 garLoopResultBuilder]: For program point L996-272(line 996) no Hoare annotation was computed. [2023-11-19 04:46:32,305 INFO L895 garLoopResultBuilder]: At program point L996-273(line 996) the Hoare annotation is: false [2023-11-19 04:46:32,306 INFO L899 garLoopResultBuilder]: For program point L996-274(line 996) no Hoare annotation was computed. [2023-11-19 04:46:32,306 INFO L895 garLoopResultBuilder]: At program point L996-275(line 996) the Hoare annotation is: false [2023-11-19 04:46:32,306 INFO L899 garLoopResultBuilder]: For program point L996-276(line 996) no Hoare annotation was computed. [2023-11-19 04:46:32,306 INFO L899 garLoopResultBuilder]: For program point L996-277(line 996) no Hoare annotation was computed. [2023-11-19 04:46:32,306 INFO L902 garLoopResultBuilder]: At program point L996-278(line 996) the Hoare annotation is: true [2023-11-19 04:46:32,306 INFO L899 garLoopResultBuilder]: For program point L999-185(line 999) no Hoare annotation was computed. [2023-11-19 04:46:32,309 INFO L895 garLoopResultBuilder]: At program point L999-186(line 999) the Hoare annotation is: false [2023-11-19 04:46:32,310 INFO L899 garLoopResultBuilder]: For program point L999-187(line 999) no Hoare annotation was computed. [2023-11-19 04:46:32,310 INFO L899 garLoopResultBuilder]: For program point L999-188(line 999) no Hoare annotation was computed. [2023-11-19 04:46:32,310 INFO L899 garLoopResultBuilder]: For program point L999-190(line 999) no Hoare annotation was computed. [2023-11-19 04:46:32,310 INFO L895 garLoopResultBuilder]: At program point L999-191(line 999) the Hoare annotation is: false [2023-11-19 04:46:32,310 INFO L899 garLoopResultBuilder]: For program point L999-197(line 999) no Hoare annotation was computed. [2023-11-19 04:46:32,310 INFO L899 garLoopResultBuilder]: For program point L999-198(line 999) no Hoare annotation was computed. [2023-11-19 04:46:32,311 INFO L899 garLoopResultBuilder]: For program point L999-201(line 999) no Hoare annotation was computed. [2023-11-19 04:46:32,311 INFO L899 garLoopResultBuilder]: For program point L999-202(line 999) no Hoare annotation was computed. [2023-11-19 04:46:32,311 INFO L899 garLoopResultBuilder]: For program point L999-204(line 999) no Hoare annotation was computed. [2023-11-19 04:46:32,311 INFO L895 garLoopResultBuilder]: At program point L999-205(line 999) the Hoare annotation is: false [2023-11-19 04:46:32,311 INFO L895 garLoopResultBuilder]: At program point L999-207(line 999) the Hoare annotation is: false [2023-11-19 04:46:32,311 INFO L899 garLoopResultBuilder]: For program point L999-208(line 999) no Hoare annotation was computed. [2023-11-19 04:46:32,312 INFO L895 garLoopResultBuilder]: At program point L999-209(line 999) the Hoare annotation is: false [2023-11-19 04:46:32,312 INFO L899 garLoopResultBuilder]: For program point L999-211(line 999) no Hoare annotation was computed. [2023-11-19 04:46:32,314 INFO L899 garLoopResultBuilder]: For program point L999-213(line 999) no Hoare annotation was computed. [2023-11-19 04:46:32,315 INFO L895 garLoopResultBuilder]: At program point L999-214(line 999) the Hoare annotation is: false [2023-11-19 04:46:32,315 INFO L899 garLoopResultBuilder]: For program point L999-215(line 999) no Hoare annotation was computed. [2023-11-19 04:46:32,315 INFO L899 garLoopResultBuilder]: For program point L999-216(line 999) no Hoare annotation was computed. [2023-11-19 04:46:32,316 INFO L902 garLoopResultBuilder]: At program point L999-217(line 999) the Hoare annotation is: true [2023-11-19 04:46:32,317 INFO L899 garLoopResultBuilder]: For program point L999-218(lines 998 1006) no Hoare annotation was computed. [2023-11-19 04:46:32,319 INFO L895 garLoopResultBuilder]: At program point L1007-3(lines 1007 1009) the Hoare annotation is: false [2023-11-19 04:46:32,319 INFO L895 garLoopResultBuilder]: At program point L1007-4(lines 1007 1009) the Hoare annotation is: false [2023-11-19 04:46:32,319 INFO L899 garLoopResultBuilder]: For program point L1008(line 1008) no Hoare annotation was computed. [2023-11-19 04:46:32,327 INFO L895 garLoopResultBuilder]: At program point L1010(line 1010) the Hoare annotation is: false [2023-11-19 04:46:32,327 INFO L895 garLoopResultBuilder]: At program point L1011(line 1011) the Hoare annotation is: false [2023-11-19 04:46:32,328 INFO L899 garLoopResultBuilder]: For program point L1012(line 1012) no Hoare annotation was computed. [2023-11-19 04:46:32,328 INFO L895 garLoopResultBuilder]: At program point L1014-9(lines 1014 1017) the Hoare annotation is: false [2023-11-19 04:46:32,328 INFO L899 garLoopResultBuilder]: For program point L1015-3(line 1015) no Hoare annotation was computed. [2023-11-19 04:46:32,328 INFO L895 garLoopResultBuilder]: At program point L1015-4(line 1015) the Hoare annotation is: false [2023-11-19 04:46:32,329 INFO L899 garLoopResultBuilder]: For program point L1015-5(line 1015) no Hoare annotation was computed. [2023-11-19 04:46:32,329 INFO L895 garLoopResultBuilder]: At program point L1015-6(line 1015) the Hoare annotation is: false [2023-11-19 04:46:32,329 INFO L899 garLoopResultBuilder]: For program point L1015-7(line 1015) no Hoare annotation was computed. [2023-11-19 04:46:32,329 INFO L899 garLoopResultBuilder]: For program point L1015-12(line 1015) no Hoare annotation was computed. [2023-11-19 04:46:32,330 INFO L899 garLoopResultBuilder]: For program point L1015-15(line 1015) no Hoare annotation was computed. [2023-11-19 04:46:32,330 INFO L895 garLoopResultBuilder]: At program point L1015-16(line 1015) the Hoare annotation is: false [2023-11-19 04:46:32,330 INFO L899 garLoopResultBuilder]: For program point L1015-17(line 1015) no Hoare annotation was computed. [2023-11-19 04:46:32,330 INFO L899 garLoopResultBuilder]: For program point L1015-26(line 1015) no Hoare annotation was computed. [2023-11-19 04:46:32,330 INFO L895 garLoopResultBuilder]: At program point L1015-27(line 1015) the Hoare annotation is: false [2023-11-19 04:46:32,330 INFO L899 garLoopResultBuilder]: For program point L1015-38(line 1015) no Hoare annotation was computed. [2023-11-19 04:46:32,331 INFO L895 garLoopResultBuilder]: At program point L1015-39(line 1015) the Hoare annotation is: false [2023-11-19 04:46:32,331 INFO L899 garLoopResultBuilder]: For program point L1015-40(line 1015) no Hoare annotation was computed. [2023-11-19 04:46:32,331 INFO L899 garLoopResultBuilder]: For program point L1015-41(line 1015) no Hoare annotation was computed. [2023-11-19 04:46:32,331 INFO L899 garLoopResultBuilder]: For program point L1015-42(line 1015) no Hoare annotation was computed. [2023-11-19 04:46:32,331 INFO L895 garLoopResultBuilder]: At program point L1015-43(line 1015) the Hoare annotation is: false [2023-11-19 04:46:32,331 INFO L899 garLoopResultBuilder]: For program point L1015-44(line 1015) no Hoare annotation was computed. [2023-11-19 04:46:32,331 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 04:46:32,332 INFO L899 garLoopResultBuilder]: For program point L939(line 939) no Hoare annotation was computed. [2023-11-19 04:46:32,332 INFO L899 garLoopResultBuilder]: For program point L938(lines 938 940) no Hoare annotation was computed. [2023-11-19 04:46:32,332 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 937 941) no Hoare annotation was computed. [2023-11-19 04:46:32,334 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 937 941) the Hoare annotation is: true [2023-11-19 04:46:32,334 INFO L899 garLoopResultBuilder]: For program point L938-2(lines 937 941) no Hoare annotation was computed. [2023-11-19 04:46:32,334 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 939) no Hoare annotation was computed. [2023-11-19 04:46:32,338 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-19 04:46:32,340 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 04:46:32,357 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-19 04:46:32,361 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:46:32 BoogieIcfgContainer [2023-11-19 04:46:32,361 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:46:32,362 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:46:32,362 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:46:32,362 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:46:32,362 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:45:55" (3/4) ... [2023-11-19 04:46:32,365 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 04:46:32,369 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure alt_malloc [2023-11-19 04:46:32,369 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-19 04:46:32,369 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure alt_free [2023-11-19 04:46:32,369 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure alt_bzero [2023-11-19 04:46:32,415 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 245 nodes and edges [2023-11-19 04:46:32,419 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2023-11-19 04:46:32,426 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-11-19 04:46:32,430 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-19 04:46:32,735 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d876244-f97f-46e6-bc25-7a498152a33a/bin/utaipan-verify-t7M7D8N6sZ/witness.graphml [2023-11-19 04:46:32,735 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d876244-f97f-46e6-bc25-7a498152a33a/bin/utaipan-verify-t7M7D8N6sZ/witness.yml [2023-11-19 04:46:32,735 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:46:32,736 INFO L158 Benchmark]: Toolchain (without parser) took 43107.93ms. Allocated memory was 146.8MB in the beginning and 230.7MB in the end (delta: 83.9MB). Free memory was 97.3MB in the beginning and 58.7MB in the end (delta: 38.6MB). Peak memory consumption was 123.7MB. Max. memory is 16.1GB. [2023-11-19 04:46:32,737 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 113.2MB. Free memory is still 58.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:46:32,737 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1134.63ms. Allocated memory is still 146.8MB. Free memory was 96.7MB in the beginning and 52.4MB in the end (delta: 44.2MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-11-19 04:46:32,737 INFO L158 Benchmark]: Boogie Procedure Inliner took 236.54ms. Allocated memory is still 146.8MB. Free memory was 52.4MB in the beginning and 111.3MB in the end (delta: -58.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-19 04:46:32,738 INFO L158 Benchmark]: Boogie Preprocessor took 215.49ms. Allocated memory is still 146.8MB. Free memory was 111.3MB in the beginning and 100.7MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 04:46:32,738 INFO L158 Benchmark]: RCFGBuilder took 4187.99ms. Allocated memory was 146.8MB in the beginning and 230.7MB in the end (delta: 83.9MB). Free memory was 100.7MB in the beginning and 175.1MB in the end (delta: -74.3MB). Peak memory consumption was 103.9MB. Max. memory is 16.1GB. [2023-11-19 04:46:32,739 INFO L158 Benchmark]: TraceAbstraction took 36950.09ms. Allocated memory is still 230.7MB. Free memory was 174.0MB in the beginning and 82.8MB in the end (delta: 91.2MB). Peak memory consumption was 91.2MB. Max. memory is 16.1GB. [2023-11-19 04:46:32,739 INFO L158 Benchmark]: Witness Printer took 374.05ms. Allocated memory is still 230.7MB. Free memory was 81.8MB in the beginning and 58.7MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-19 04:46:32,742 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 113.2MB. Free memory is still 58.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1134.63ms. Allocated memory is still 146.8MB. Free memory was 96.7MB in the beginning and 52.4MB in the end (delta: 44.2MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 236.54ms. Allocated memory is still 146.8MB. Free memory was 52.4MB in the beginning and 111.3MB in the end (delta: -58.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 215.49ms. Allocated memory is still 146.8MB. Free memory was 111.3MB in the beginning and 100.7MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 4187.99ms. Allocated memory was 146.8MB in the beginning and 230.7MB in the end (delta: 83.9MB). Free memory was 100.7MB in the beginning and 175.1MB in the end (delta: -74.3MB). Peak memory consumption was 103.9MB. Max. memory is 16.1GB. * TraceAbstraction took 36950.09ms. Allocated memory is still 230.7MB. Free memory was 174.0MB in the beginning and 82.8MB in the end (delta: 91.2MB). Peak memory consumption was 91.2MB. Max. memory is 16.1GB. * Witness Printer took 374.05ms. Allocated memory is still 230.7MB. Free memory was 81.8MB in the beginning and 58.7MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated * 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: 961]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1004]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1008]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 939]: 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 5 procedures, 169 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 36.8s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 33.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 9 mSolverCounterUnknown, 41 SdHoareTripleChecker+Valid, 33.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 36 mSDsluCounter, 878 SdHoareTripleChecker+Invalid, 32.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 559 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 257 IncrementalHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 319 mSDtfsCounter, 257 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=169occurred in iteration=0, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 10 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 115 PreInvPairs, 133 NumberOfFragments, 73 HoareAnnotationTreeSize, 115 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 60 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 66 NumberOfCodeBlocks, 66 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 62 ConstructedInterpolants, 0 QuantifiedInterpolants, 158 SizeOfPredicates, 2 NumberOfNonLiveVariables, 626 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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 - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1001]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 989]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1015]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1007]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1001]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 998]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1001]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1015]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1015]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1014]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1015]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1001]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2023-11-19 04:46:32,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d876244-f97f-46e6-bc25-7a498152a33a/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE