./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-53.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2272a13-e717-4d28-910c-2de83ccf07b6/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2272a13-e717-4d28-910c-2de83ccf07b6/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2272a13-e717-4d28-910c-2de83ccf07b6/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2272a13-e717-4d28-910c-2de83ccf07b6/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-53.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2272a13-e717-4d28-910c-2de83ccf07b6/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2272a13-e717-4d28-910c-2de83ccf07b6/bin/utaipan-verify-SwPr7d2a91 --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 539063f6ba473db54ff36149ccd453fdab8b89daa6bb5c4360e0c863033e7c3e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:07:57,889 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:07:58,024 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2272a13-e717-4d28-910c-2de83ccf07b6/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-25 00:07:58,039 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:07:58,040 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:07:58,087 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:07:58,088 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:07:58,088 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:07:58,089 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:07:58,097 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:07:58,097 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:07:58,099 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:07:58,100 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:07:58,102 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:07:58,102 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:07:58,103 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:07:58,103 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:07:58,104 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:07:58,105 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:07:58,105 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:07:58,106 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:07:58,106 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:07:58,108 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:07:58,108 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:07:58,109 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-25 00:07:58,109 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:07:58,110 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-25 00:07:58,110 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:07:58,111 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:07:58,111 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:07:58,115 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:07:58,115 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-25 00:07:58,115 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:07:58,132 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:07:58,133 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:07:58,133 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:07:58,133 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:07:58,134 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:07:58,134 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:07:58,134 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:07:58,135 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:07:58,135 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:07:58,135 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:07:58,136 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:07:58,136 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:07:58,136 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:07:58,136 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:07:58,137 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_e2272a13-e717-4d28-910c-2de83ccf07b6/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2272a13-e717-4d28-910c-2de83ccf07b6/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 539063f6ba473db54ff36149ccd453fdab8b89daa6bb5c4360e0c863033e7c3e [2023-11-25 00:07:58,544 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:07:58,566 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:07:58,569 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:07:58,570 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:07:58,571 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:07:58,572 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2272a13-e717-4d28-910c-2de83ccf07b6/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-53.i [2023-11-25 00:08:01,590 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:08:01,841 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:08:01,842 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2272a13-e717-4d28-910c-2de83ccf07b6/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-53.i [2023-11-25 00:08:01,853 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2272a13-e717-4d28-910c-2de83ccf07b6/bin/utaipan-verify-SwPr7d2a91/data/035ac880c/83a1173df0054f83ba681bd44d51a58c/FLAGedd527352 [2023-11-25 00:08:01,870 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2272a13-e717-4d28-910c-2de83ccf07b6/bin/utaipan-verify-SwPr7d2a91/data/035ac880c/83a1173df0054f83ba681bd44d51a58c [2023-11-25 00:08:01,873 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:08:01,875 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:08:01,877 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:08:01,877 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:08:01,883 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:08:01,884 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:08:01" (1/1) ... [2023-11-25 00:08:01,886 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@331be92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:01, skipping insertion in model container [2023-11-25 00:08:01,886 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:08:01" (1/1) ... [2023-11-25 00:08:01,944 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:08:02,104 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_e2272a13-e717-4d28-910c-2de83ccf07b6/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-53.i[913,926] [2023-11-25 00:08:02,166 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:08:02,182 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:08:02,197 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_e2272a13-e717-4d28-910c-2de83ccf07b6/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-53.i[913,926] [2023-11-25 00:08:02,246 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:08:02,275 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:08:02,275 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:02 WrapperNode [2023-11-25 00:08:02,275 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:08:02,277 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:08:02,277 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:08:02,277 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:08:02,285 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:02" (1/1) ... [2023-11-25 00:08:02,299 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:02" (1/1) ... [2023-11-25 00:08:02,346 INFO L138 Inliner]: procedures = 26, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 194 [2023-11-25 00:08:02,347 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:08:02,348 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:08:02,348 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:08:02,348 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:08:02,369 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:02" (1/1) ... [2023-11-25 00:08:02,370 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:02" (1/1) ... [2023-11-25 00:08:02,373 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:02" (1/1) ... [2023-11-25 00:08:02,373 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:02" (1/1) ... [2023-11-25 00:08:02,384 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:02" (1/1) ... [2023-11-25 00:08:02,388 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:02" (1/1) ... [2023-11-25 00:08:02,391 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:02" (1/1) ... [2023-11-25 00:08:02,393 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:02" (1/1) ... [2023-11-25 00:08:02,398 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:08:02,399 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:08:02,399 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:08:02,399 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:08:02,400 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:02" (1/1) ... [2023-11-25 00:08:02,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:08:02,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2272a13-e717-4d28-910c-2de83ccf07b6/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:08:02,458 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2272a13-e717-4d28-910c-2de83ccf07b6/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:08:02,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2272a13-e717-4d28-910c-2de83ccf07b6/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:08:02,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:08:02,528 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-25 00:08:02,528 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-25 00:08:02,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-25 00:08:02,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:08:02,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:08:02,623 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:08:02,626 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:08:03,136 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:08:03,531 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:08:03,531 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-25 00:08:03,534 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:08:03 BoogieIcfgContainer [2023-11-25 00:08:03,535 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:08:03,540 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:08:03,540 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:08:03,544 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:08:03,545 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:08:01" (1/3) ... [2023-11-25 00:08:03,546 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69d15193 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:08:03, skipping insertion in model container [2023-11-25 00:08:03,547 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:02" (2/3) ... [2023-11-25 00:08:03,549 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69d15193 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:08:03, skipping insertion in model container [2023-11-25 00:08:03,549 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:08:03" (3/3) ... [2023-11-25 00:08:03,551 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-53.i [2023-11-25 00:08:03,576 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:08:03,577 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-25 00:08:03,660 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:08:03,670 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;@677e0730, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:08:03,671 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-25 00:08:03,676 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-25 00:08:03,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-11-25 00:08:03,698 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:08:03,700 INFO L195 NwaCegarLoop]: trace histogram [29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:08:03,701 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:08:03,712 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:08:03,712 INFO L85 PathProgramCache]: Analyzing trace with hash -660848958, now seen corresponding path program 1 times [2023-11-25 00:08:03,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:08:03,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266339071] [2023-11-25 00:08:03,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:08:03,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:08:03,982 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-25 00:08:03,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [266893104] [2023-11-25 00:08:03,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:08:03,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-25 00:08:03,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2272a13-e717-4d28-910c-2de83ccf07b6/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:08:03,990 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2272a13-e717-4d28-910c-2de83ccf07b6/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-25 00:08:04,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2272a13-e717-4d28-910c-2de83ccf07b6/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-25 00:08:04,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-25 00:08:04,483 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-25 00:08:04,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-25 00:08:04,772 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-25 00:08:04,774 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-25 00:08:04,776 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-25 00:08:04,798 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2272a13-e717-4d28-910c-2de83ccf07b6/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-25 00:08:04,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2272a13-e717-4d28-910c-2de83ccf07b6/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-25 00:08:04,997 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-25 00:08:05,000 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-25 00:08:05,136 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 12:08:05 BoogieIcfgContainer [2023-11-25 00:08:05,136 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-25 00:08:05,137 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-25 00:08:05,137 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-25 00:08:05,137 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-25 00:08:05,138 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:08:03" (3/4) ... [2023-11-25 00:08:05,140 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-25 00:08:05,142 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-25 00:08:05,143 INFO L158 Benchmark]: Toolchain (without parser) took 3268.21ms. Allocated memory is still 174.1MB. Free memory was 142.5MB in the beginning and 108.4MB in the end (delta: 34.1MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. [2023-11-25 00:08:05,144 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 130.0MB. Free memory is still 101.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:08:05,144 INFO L158 Benchmark]: CACSL2BoogieTranslator took 399.11ms. Allocated memory is still 174.1MB. Free memory was 142.3MB in the beginning and 134.0MB in the end (delta: 8.3MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2023-11-25 00:08:05,145 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.33ms. Allocated memory is still 174.1MB. Free memory was 134.0MB in the beginning and 131.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-25 00:08:05,146 INFO L158 Benchmark]: Boogie Preprocessor took 50.38ms. Allocated memory is still 174.1MB. Free memory was 131.0MB in the beginning and 129.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-25 00:08:05,146 INFO L158 Benchmark]: RCFGBuilder took 1135.78ms. Allocated memory is still 174.1MB. Free memory was 129.0MB in the beginning and 88.3MB in the end (delta: 40.6MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-25 00:08:05,147 INFO L158 Benchmark]: TraceAbstraction took 1596.87ms. Allocated memory is still 174.1MB. Free memory was 87.4MB in the beginning and 108.4MB in the end (delta: -20.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:08:05,148 INFO L158 Benchmark]: Witness Printer took 4.95ms. Allocated memory is still 174.1MB. Free memory is still 108.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:08:05,151 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 130.0MB. Free memory is still 101.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 399.11ms. Allocated memory is still 174.1MB. Free memory was 142.3MB in the beginning and 134.0MB in the end (delta: 8.3MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.33ms. Allocated memory is still 174.1MB. Free memory was 134.0MB in the beginning and 131.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.38ms. Allocated memory is still 174.1MB. Free memory was 131.0MB in the beginning and 129.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1135.78ms. Allocated memory is still 174.1MB. Free memory was 129.0MB in the beginning and 88.3MB in the end (delta: 40.6MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1596.87ms. Allocated memory is still 174.1MB. Free memory was 87.4MB in the beginning and 108.4MB in the end (delta: -20.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.95ms. Allocated memory is still 174.1MB. Free memory is still 108.4MB. There was no memory consumed. Max. memory is 16.1GB. * 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 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 59, overapproximation of shiftLeft at line 76, overapproximation of bitwiseAnd at line 70, overapproximation of someBinaryArithmeticFLOAToperation at line 59, overapproximation of someUnaryFLOAToperation at line 59. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] signed char var_1_2 = -64; [L24] signed char var_1_3 = -1; [L25] signed long int var_1_4 = 0; [L26] signed long int var_1_5 = 4; [L27] signed long int var_1_6 = 4; [L28] unsigned char var_1_7 = 1; [L29] unsigned char var_1_8 = 0; [L30] unsigned long int var_1_9 = 10; [L31] float var_1_10 = 99.5; [L32] float var_1_11 = 5.6; [L33] float var_1_12 = 255.5; [L34] float var_1_13 = 31.25; [L35] signed short int var_1_14 = 32; [L36] unsigned long int var_1_15 = 16; [L37] unsigned char var_1_16 = 1; [L38] unsigned char var_1_17 = 5; [L39] unsigned char var_1_18 = 50; [L40] unsigned char var_1_19 = 50; [L41] signed char var_1_20 = 1; [L42] signed char var_1_21 = -10; [L43] float var_1_22 = 0.5; [L44] signed char var_1_23 = 100; [L136] isInitial = 1 [L137] FCALL initially() [L138] COND TRUE 1 [L139] FCALL updateLastVariables() [L140] CALL updateVariables() [L84] var_1_2 = __VERIFIER_nondet_char() [L85] CALL assume_abort_if_not(var_1_2 >= -128) VAL [\old(cond)=1, isInitial=1, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_5=4, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=10] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_2 >= -128) VAL [isInitial=1, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_5=4, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=10] [L86] CALL assume_abort_if_not(var_1_2 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_5=4, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=10] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_2 <= 127) VAL [isInitial=1, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_5=4, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=10] [L87] var_1_3 = __VERIFIER_nondet_char() [L88] CALL assume_abort_if_not(var_1_3 >= -128) VAL [\old(cond)=1, isInitial=1, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_5=4, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=10] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_3 >= -128) VAL [isInitial=1, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_5=4, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=10] [L89] CALL assume_abort_if_not(var_1_3 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_5=4, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=10] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_3 <= 127) VAL [isInitial=1, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_5=4, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=10] [L90] var_1_4 = __VERIFIER_nondet_long() [L91] CALL assume_abort_if_not(var_1_4 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_5=4, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=10] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_4 >= -2147483648) VAL [isInitial=1, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_5=4, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=10] [L92] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_5=4, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=10] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_5=4, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=10] [L93] var_1_5 = __VERIFIER_nondet_long() [L94] CALL assume_abort_if_not(var_1_5 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_5=5, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=10] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_5 >= -1) VAL [isInitial=1, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_5=5, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=10] [L95] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_5=5, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=10] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_5=5, var_1_6=4, var_1_7=1, var_1_8=0, var_1_9=10] [L96] var_1_6 = __VERIFIER_nondet_long() [L97] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_5=5, var_1_6=66044, var_1_7=1, var_1_8=0, var_1_9=10] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_5=5, var_1_6=66044, var_1_7=1, var_1_8=0, var_1_9=10] [L98] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_5=5, var_1_6=66044, var_1_7=1, var_1_8=0, var_1_9=10] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_5=5, var_1_6=66044, var_1_7=1, var_1_8=0, var_1_9=10] [L99] var_1_7 = __VERIFIER_nondet_uchar() [L100] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_5=5, var_1_6=66044, var_1_8=0, var_1_9=10] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_5=5, var_1_6=66044, var_1_8=0, var_1_9=10] [L101] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_5=5, var_1_6=66044, var_1_7=1, var_1_8=0, var_1_9=10] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_5=5, var_1_6=66044, var_1_7=1, var_1_8=0, var_1_9=10] [L102] var_1_8 = __VERIFIER_nondet_uchar() [L103] CALL assume_abort_if_not(var_1_8 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_5=5, var_1_6=66044, var_1_7=1, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_8 >= 1) VAL [isInitial=1, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_5=5, var_1_6=66044, var_1_7=1, var_1_8=1, var_1_9=10] [L104] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_5=5, var_1_6=66044, var_1_7=1, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_5=5, var_1_6=66044, var_1_7=1, var_1_8=1, var_1_9=10] [L105] var_1_11 = __VERIFIER_nondet_float() [L106] CALL assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=199/2, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_5=5, var_1_6=66044, var_1_7=1, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=199/2, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_5=5, var_1_6=66044, var_1_7=1, var_1_8=1, var_1_9=10] [L107] var_1_12 = __VERIFIER_nondet_float() [L108] CALL assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=199/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_5=5, var_1_6=66044, var_1_7=1, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=199/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_5=5, var_1_6=66044, var_1_7=1, var_1_8=1, var_1_9=10] [L109] var_1_13 = __VERIFIER_nondet_float() [L110] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=199/2, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_5=5, var_1_6=66044, var_1_7=1, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=199/2, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_5=5, var_1_6=66044, var_1_7=1, var_1_8=1, var_1_9=10] [L111] var_1_15 = __VERIFIER_nondet_ulong() [L112] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=199/2, var_1_14=32, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_5=5, var_1_6=66044, var_1_7=1, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=199/2, var_1_14=32, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_5=5, var_1_6=66044, var_1_7=1, var_1_8=1, var_1_9=10] [L113] CALL assume_abort_if_not(var_1_15 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=199/2, var_1_14=32, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_5=5, var_1_6=66044, var_1_7=1, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_15 <= 4294967295) VAL [isInitial=1, var_1_10=199/2, var_1_14=32, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_5=5, var_1_6=66044, var_1_7=1, var_1_8=1, var_1_9=10] [L114] CALL assume_abort_if_not(var_1_15 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=199/2, var_1_14=32, var_1_15=1, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_5=5, var_1_6=66044, var_1_7=1, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_15 != 0) VAL [isInitial=1, var_1_10=199/2, var_1_14=32, var_1_15=1, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_5=5, var_1_6=66044, var_1_7=1, var_1_8=1, var_1_9=10] [L115] var_1_17 = __VERIFIER_nondet_uchar() [L116] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=199/2, var_1_14=32, var_1_15=1, var_1_16=1, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_5=5, var_1_6=66044, var_1_7=1, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_10=199/2, var_1_14=32, var_1_15=1, var_1_16=1, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_5=5, var_1_6=66044, var_1_7=1, var_1_8=1, var_1_9=10] [L117] CALL assume_abort_if_not(var_1_17 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=199/2, var_1_14=32, var_1_15=1, var_1_16=1, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_5=5, var_1_6=66044, var_1_7=1, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_17 <= 255) VAL [isInitial=1, var_1_10=199/2, var_1_14=32, var_1_15=1, var_1_16=1, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_5=5, var_1_6=66044, var_1_7=1, var_1_8=1, var_1_9=10] [L118] CALL assume_abort_if_not(var_1_17 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=199/2, var_1_14=32, var_1_15=1, var_1_16=1, var_1_17=255, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_5=5, var_1_6=66044, var_1_7=1, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_17 != 0) VAL [isInitial=1, var_1_10=199/2, var_1_14=32, var_1_15=1, var_1_16=1, var_1_17=255, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_5=5, var_1_6=66044, var_1_7=1, var_1_8=1, var_1_9=10] [L119] var_1_18 = __VERIFIER_nondet_uchar() [L120] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=199/2, var_1_14=32, var_1_15=1, var_1_16=1, var_1_17=255, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_5=5, var_1_6=66044, var_1_7=1, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, var_1_10=199/2, var_1_14=32, var_1_15=1, var_1_16=1, var_1_17=255, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_5=5, var_1_6=66044, var_1_7=1, var_1_8=1, var_1_9=10] [L121] CALL assume_abort_if_not(var_1_18 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=199/2, var_1_14=32, var_1_15=1, var_1_16=1, var_1_17=255, var_1_18=254, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_5=5, var_1_6=66044, var_1_7=1, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_18 <= 254) VAL [isInitial=1, var_1_10=199/2, var_1_14=32, var_1_15=1, var_1_16=1, var_1_17=255, var_1_18=254, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_5=5, var_1_6=66044, var_1_7=1, var_1_8=1, var_1_9=10] [L122] var_1_19 = __VERIFIER_nondet_uchar() [L123] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=199/2, var_1_14=32, var_1_15=1, var_1_16=1, var_1_17=255, var_1_18=254, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_5=5, var_1_6=66044, var_1_7=1, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, var_1_10=199/2, var_1_14=32, var_1_15=1, var_1_16=1, var_1_17=255, var_1_18=254, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_5=5, var_1_6=66044, var_1_7=1, var_1_8=1, var_1_9=10] [L124] CALL assume_abort_if_not(var_1_19 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=199/2, var_1_14=32, var_1_15=1, var_1_16=1, var_1_17=255, var_1_18=254, var_1_19=0, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_5=5, var_1_6=66044, var_1_7=1, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_19 <= 254) VAL [isInitial=1, var_1_10=199/2, var_1_14=32, var_1_15=1, var_1_16=1, var_1_17=255, var_1_18=254, var_1_19=0, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_5=5, var_1_6=66044, var_1_7=1, var_1_8=1, var_1_9=10] [L125] var_1_21 = __VERIFIER_nondet_char() [L126] CALL assume_abort_if_not(var_1_21 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=199/2, var_1_14=32, var_1_15=1, var_1_16=1, var_1_17=255, var_1_18=254, var_1_19=0, var_1_1=0, var_1_20=1, var_1_21=-127, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_5=5, var_1_6=66044, var_1_7=1, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_21 >= -127) VAL [isInitial=1, var_1_10=199/2, var_1_14=32, var_1_15=1, var_1_16=1, var_1_17=255, var_1_18=254, var_1_19=0, var_1_1=0, var_1_20=1, var_1_21=-127, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_5=5, var_1_6=66044, var_1_7=1, var_1_8=1, var_1_9=10] [L127] CALL assume_abort_if_not(var_1_21 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=199/2, var_1_14=32, var_1_15=1, var_1_16=1, var_1_17=255, var_1_18=254, var_1_19=0, var_1_1=0, var_1_20=1, var_1_21=-127, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_5=5, var_1_6=66044, var_1_7=1, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_21 <= 126) VAL [isInitial=1, var_1_10=199/2, var_1_14=32, var_1_15=1, var_1_16=1, var_1_17=255, var_1_18=254, var_1_19=0, var_1_1=0, var_1_20=1, var_1_21=-127, var_1_22=1/2, var_1_23=100, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_5=5, var_1_6=66044, var_1_7=1, var_1_8=1, var_1_9=10] [L140] RET updateVariables() [L141] CALL step() [L48] COND TRUE (var_1_2 * var_1_3) == var_1_4 [L49] COND TRUE (var_1_4 > (var_1_5 - var_1_6)) && var_1_7 [L50] var_1_1 = var_1_8 [L53] COND TRUE (var_1_1 || (var_1_6 <= var_1_2)) || (var_1_3 != var_1_4) [L54] COND TRUE ((((var_1_6) < (0)) ? (var_1_6) : (0))) <= (-5 + var_1_5) [L55] var_1_9 = var_1_6 [L58] COND TRUE (! var_1_1) || var_1_8 [L59] var_1_10 = (((((var_1_11 + var_1_12)) < (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))))) ? ((var_1_11 + var_1_12)) : (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13)))))) [L67] COND TRUE \read(var_1_1) [L68] var_1_14 = ((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3))) [L76] EXPR 256u << var_1_2 [L76] COND FALSE !((((((var_1_15) > (var_1_9)) ? (var_1_15) : (var_1_9))) / var_1_17) <= (256u << var_1_2)) [L79] var_1_20 = var_1_21 [L80] var_1_22 = var_1_12 [L81] var_1_23 = var_1_21 [L141] RET step() [L142] CALL, EXPR property() [L132] EXPR (((((var_1_2 * var_1_3) == var_1_4) ? (((var_1_4 > (var_1_5 - var_1_6)) && var_1_7) ? (var_1_1 == ((unsigned char) var_1_8)) : 1) : 1) && (((var_1_1 || (var_1_6 <= var_1_2)) || (var_1_3 != var_1_4)) ? ((((((var_1_6) < (0)) ? (var_1_6) : (0))) <= (-5 + var_1_5)) ? (var_1_9 == ((unsigned long int) var_1_6)) : 1) : 1)) && (((! var_1_1) || var_1_8) ? (var_1_10 == ((float) (((((var_1_11 + var_1_12)) < (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))))) ? ((var_1_11 + var_1_12)) : (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13)))))))) : (((var_1_11 < var_1_12) || (var_1_4 != var_1_6)) ? (var_1_10 == ((float) var_1_13)) : (var_1_10 == ((float) var_1_12))))) && (var_1_1 ? (var_1_14 == ((signed short int) ((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3))))) : ((((var_1_9 / var_1_15) & var_1_6) >= var_1_4) ? (var_1_14 == ((signed short int) var_1_3)) : (var_1_14 == ((signed short int) -128)))) [L132] EXPR ((((((var_1_2 * var_1_3) == var_1_4) ? (((var_1_4 > (var_1_5 - var_1_6)) && var_1_7) ? (var_1_1 == ((unsigned char) var_1_8)) : 1) : 1) && (((var_1_1 || (var_1_6 <= var_1_2)) || (var_1_3 != var_1_4)) ? ((((((var_1_6) < (0)) ? (var_1_6) : (0))) <= (-5 + var_1_5)) ? (var_1_9 == ((unsigned long int) var_1_6)) : 1) : 1)) && (((! var_1_1) || var_1_8) ? (var_1_10 == ((float) (((((var_1_11 + var_1_12)) < (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))))) ? ((var_1_11 + var_1_12)) : (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13)))))))) : (((var_1_11 < var_1_12) || (var_1_4 != var_1_6)) ? (var_1_10 == ((float) var_1_13)) : (var_1_10 == ((float) var_1_12))))) && (var_1_1 ? (var_1_14 == ((signed short int) ((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3))))) : ((((var_1_9 / var_1_15) & var_1_6) >= var_1_4) ? (var_1_14 == ((signed short int) var_1_3)) : (var_1_14 == ((signed short int) -128))))) && (((((((var_1_15) > (var_1_9)) ? (var_1_15) : (var_1_9))) / var_1_17) <= (256u << var_1_2)) ? (var_1_16 == ((unsigned char) ((((var_1_18) > (var_1_19)) ? (var_1_18) : (var_1_19))))) : 1) [L132-L133] return (((((((((var_1_2 * var_1_3) == var_1_4) ? (((var_1_4 > (var_1_5 - var_1_6)) && var_1_7) ? (var_1_1 == ((unsigned char) var_1_8)) : 1) : 1) && (((var_1_1 || (var_1_6 <= var_1_2)) || (var_1_3 != var_1_4)) ? ((((((var_1_6) < (0)) ? (var_1_6) : (0))) <= (-5 + var_1_5)) ? (var_1_9 == ((unsigned long int) var_1_6)) : 1) : 1)) && (((! var_1_1) || var_1_8) ? (var_1_10 == ((float) (((((var_1_11 + var_1_12)) < (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))))) ? ((var_1_11 + var_1_12)) : (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13)))))))) : (((var_1_11 < var_1_12) || (var_1_4 != var_1_6)) ? (var_1_10 == ((float) var_1_13)) : (var_1_10 == ((float) var_1_12))))) && (var_1_1 ? (var_1_14 == ((signed short int) ((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3))))) : ((((var_1_9 / var_1_15) & var_1_6) >= var_1_4) ? (var_1_14 == ((signed short int) var_1_3)) : (var_1_14 == ((signed short int) -128))))) && (((((((var_1_15) > (var_1_9)) ? (var_1_15) : (var_1_9))) / var_1_17) <= (256u << var_1_2)) ? (var_1_16 == ((unsigned char) ((((var_1_18) > (var_1_19)) ? (var_1_18) : (var_1_19))))) : 1)) && (var_1_20 == ((signed char) var_1_21))) && (var_1_22 == ((float) var_1_12))) && (var_1_23 == ((signed char) var_1_21)) ; [L142] RET, EXPR property() [L142] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=3, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=255, var_1_18=254, var_1_19=0, var_1_1=1, var_1_20=-127, var_1_21=-127, var_1_22=2, var_1_23=-127, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_5=5, var_1_6=66044, var_1_7=1, var_1_8=1, var_1_9=66044] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=3, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=255, var_1_18=254, var_1_19=0, var_1_1=1, var_1_20=-127, var_1_21=-127, var_1_22=2, var_1_23=-127, var_1_2=0, var_1_3=-1, var_1_4=0, var_1_5=5, var_1_6=66044, var_1_7=1, var_1_8=1, var_1_9=66044] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 1, TraceHistogramMax: 29, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=53occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 106 NumberOfCodeBlocks, 106 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-25 00:08:05,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2272a13-e717-4d28-910c-2de83ccf07b6/bin/utaipan-verify-SwPr7d2a91/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2272a13-e717-4d28-910c-2de83ccf07b6/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2272a13-e717-4d28-910c-2de83ccf07b6/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2272a13-e717-4d28-910c-2de83ccf07b6/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2272a13-e717-4d28-910c-2de83ccf07b6/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-53.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2272a13-e717-4d28-910c-2de83ccf07b6/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2272a13-e717-4d28-910c-2de83ccf07b6/bin/utaipan-verify-SwPr7d2a91 --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 539063f6ba473db54ff36149ccd453fdab8b89daa6bb5c4360e0c863033e7c3e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:08:07,853 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:08:07,984 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2272a13-e717-4d28-910c-2de83ccf07b6/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-25 00:08:07,992 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:08:07,993 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:08:08,035 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:08:08,036 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:08:08,037 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:08:08,038 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:08:08,038 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:08:08,039 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:08:08,040 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:08:08,040 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:08:08,041 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:08:08,042 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:08:08,042 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:08:08,043 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:08:08,044 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:08:08,044 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-25 00:08:08,045 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-25 00:08:08,045 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:08:08,052 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:08:08,052 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:08:08,053 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:08:08,053 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-25 00:08:08,054 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-25 00:08:08,054 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-25 00:08:08,055 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-25 00:08:08,055 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:08:08,055 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:08:08,057 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:08:08,057 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-25 00:08:08,058 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:08:08,058 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:08:08,059 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:08:08,059 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:08:08,059 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:08:08,059 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:08:08,060 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-25 00:08:08,061 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-25 00:08:08,061 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:08:08,062 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:08:08,062 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:08:08,062 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:08:08,063 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_e2272a13-e717-4d28-910c-2de83ccf07b6/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2272a13-e717-4d28-910c-2de83ccf07b6/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 539063f6ba473db54ff36149ccd453fdab8b89daa6bb5c4360e0c863033e7c3e [2023-11-25 00:08:08,485 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:08:08,506 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:08:08,508 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:08:08,510 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:08:08,510 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:08:08,512 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2272a13-e717-4d28-910c-2de83ccf07b6/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-53.i [2023-11-25 00:08:11,665 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:08:11,913 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:08:11,914 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2272a13-e717-4d28-910c-2de83ccf07b6/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-53.i [2023-11-25 00:08:11,927 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2272a13-e717-4d28-910c-2de83ccf07b6/bin/utaipan-verify-SwPr7d2a91/data/ccff100f7/de138e577e8340b39231b99fcb58ee9b/FLAGfd004ff97 [2023-11-25 00:08:11,944 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2272a13-e717-4d28-910c-2de83ccf07b6/bin/utaipan-verify-SwPr7d2a91/data/ccff100f7/de138e577e8340b39231b99fcb58ee9b [2023-11-25 00:08:11,950 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:08:11,952 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:08:11,955 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:08:11,955 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:08:11,960 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:08:11,961 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:08:11" (1/1) ... [2023-11-25 00:08:11,962 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70caaec3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:11, skipping insertion in model container [2023-11-25 00:08:11,962 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:08:11" (1/1) ... [2023-11-25 00:08:12,011 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:08:12,208 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_e2272a13-e717-4d28-910c-2de83ccf07b6/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-53.i[913,926] [2023-11-25 00:08:12,304 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:08:12,323 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:08:12,338 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_e2272a13-e717-4d28-910c-2de83ccf07b6/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-53.i[913,926] [2023-11-25 00:08:12,385 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:08:12,411 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:08:12,411 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:12 WrapperNode [2023-11-25 00:08:12,411 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:08:12,413 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:08:12,413 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:08:12,413 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:08:12,420 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:12" (1/1) ... [2023-11-25 00:08:12,446 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:12" (1/1) ... [2023-11-25 00:08:12,492 INFO L138 Inliner]: procedures = 27, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 152 [2023-11-25 00:08:12,492 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:08:12,493 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:08:12,493 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:08:12,493 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:08:12,505 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:12" (1/1) ... [2023-11-25 00:08:12,505 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:12" (1/1) ... [2023-11-25 00:08:12,520 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:12" (1/1) ... [2023-11-25 00:08:12,522 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:12" (1/1) ... [2023-11-25 00:08:12,542 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:12" (1/1) ... [2023-11-25 00:08:12,545 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:12" (1/1) ... [2023-11-25 00:08:12,548 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:12" (1/1) ... [2023-11-25 00:08:12,550 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:12" (1/1) ... [2023-11-25 00:08:12,555 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:08:12,556 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:08:12,556 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:08:12,556 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:08:12,557 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:12" (1/1) ... [2023-11-25 00:08:12,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:08:12,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2272a13-e717-4d28-910c-2de83ccf07b6/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:08:12,593 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2272a13-e717-4d28-910c-2de83ccf07b6/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:08:12,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2272a13-e717-4d28-910c-2de83ccf07b6/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:08:12,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:08:12,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-25 00:08:12,646 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-25 00:08:12,646 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-25 00:08:12,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:08:12,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:08:12,767 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:08:12,769 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:08:13,694 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:08:13,799 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:08:13,800 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-25 00:08:13,801 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:08:13 BoogieIcfgContainer [2023-11-25 00:08:13,801 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:08:13,804 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:08:13,804 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:08:13,807 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:08:13,808 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:08:11" (1/3) ... [2023-11-25 00:08:13,809 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fe79283 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:08:13, skipping insertion in model container [2023-11-25 00:08:13,810 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:08:12" (2/3) ... [2023-11-25 00:08:13,810 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fe79283 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:08:13, skipping insertion in model container [2023-11-25 00:08:13,812 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:08:13" (3/3) ... [2023-11-25 00:08:13,813 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-53.i [2023-11-25 00:08:13,834 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:08:13,834 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-25 00:08:13,902 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:08:13,911 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;@526c98b0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:08:13,912 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-25 00:08:13,917 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 34 states have (on average 1.411764705882353) internal successors, (48), 35 states have internal predecessors, (48), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-25 00:08:13,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-25 00:08:13,942 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:08:13,943 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:08:13,944 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:08:13,951 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:08:13,952 INFO L85 PathProgramCache]: Analyzing trace with hash -823515046, now seen corresponding path program 1 times [2023-11-25 00:08:13,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:08:13,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [601156227] [2023-11-25 00:08:13,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:08:13,971 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:08:13,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2272a13-e717-4d28-910c-2de83ccf07b6/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:08:13,973 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2272a13-e717-4d28-910c-2de83ccf07b6/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-25 00:08:13,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2272a13-e717-4d28-910c-2de83ccf07b6/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-25 00:08:14,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:08:14,409 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-25 00:08:14,428 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:08:14,497 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 824 proven. 0 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2023-11-25 00:08:14,497 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:08:14,498 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:08:14,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [601156227] [2023-11-25 00:08:14,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [601156227] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:08:14,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:08:14,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-25 00:08:14,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121141026] [2023-11-25 00:08:14,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:08:14,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-25 00:08:14,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:08:14,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-25 00:08:14,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-25 00:08:14,545 INFO L87 Difference]: Start difference. First operand has 66 states, 34 states have (on average 1.411764705882353) internal successors, (48), 35 states have internal predecessors, (48), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-11-25 00:08:14,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:08:14,804 INFO L93 Difference]: Finished difference Result 129 states and 239 transitions. [2023-11-25 00:08:14,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-25 00:08:14,817 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 170 [2023-11-25 00:08:14,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:08:14,827 INFO L225 Difference]: With dead ends: 129 [2023-11-25 00:08:14,827 INFO L226 Difference]: Without dead ends: 64 [2023-11-25 00:08:14,831 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-25 00:08:14,835 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-25 00:08:14,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 98 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-25 00:08:14,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2023-11-25 00:08:14,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2023-11-25 00:08:14,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 33 states have (on average 1.303030303030303) internal successors, (43), 33 states have internal predecessors, (43), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-25 00:08:14,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 101 transitions. [2023-11-25 00:08:14,924 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 101 transitions. Word has length 170 [2023-11-25 00:08:14,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:08:14,925 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 101 transitions. [2023-11-25 00:08:14,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2023-11-25 00:08:14,926 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 101 transitions. [2023-11-25 00:08:14,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-25 00:08:14,936 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:08:14,937 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:08:14,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2272a13-e717-4d28-910c-2de83ccf07b6/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-25 00:08:15,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2272a13-e717-4d28-910c-2de83ccf07b6/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:08:15,145 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:08:15,146 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:08:15,146 INFO L85 PathProgramCache]: Analyzing trace with hash 1724526180, now seen corresponding path program 1 times [2023-11-25 00:08:15,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:08:15,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [763666058] [2023-11-25 00:08:15,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:08:15,148 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:08:15,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2272a13-e717-4d28-910c-2de83ccf07b6/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:08:15,180 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2272a13-e717-4d28-910c-2de83ccf07b6/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-25 00:08:15,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2272a13-e717-4d28-910c-2de83ccf07b6/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-25 00:08:15,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:08:15,507 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-25 00:08:15,514 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:08:15,574 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2023-11-25 00:08:15,574 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:08:15,574 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:08:15,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [763666058] [2023-11-25 00:08:15,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [763666058] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:08:15,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:08:15,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-25 00:08:15,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003621857] [2023-11-25 00:08:15,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:08:15,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:08:15,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:08:15,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:08:15,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:08:15,585 INFO L87 Difference]: Start difference. First operand 64 states and 101 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-11-25 00:08:16,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:08:16,233 INFO L93 Difference]: Finished difference Result 188 states and 297 transitions. [2023-11-25 00:08:16,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:08:16,234 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 170 [2023-11-25 00:08:16,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:08:16,239 INFO L225 Difference]: With dead ends: 188 [2023-11-25 00:08:16,240 INFO L226 Difference]: Without dead ends: 125 [2023-11-25 00:08:16,241 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:08:16,243 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 93 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-25 00:08:16,244 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 183 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-25 00:08:16,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2023-11-25 00:08:16,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 123. [2023-11-25 00:08:16,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 62 states have (on average 1.2580645161290323) internal successors, (78), 62 states have internal predecessors, (78), 58 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2023-11-25 00:08:16,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 194 transitions. [2023-11-25 00:08:16,277 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 194 transitions. Word has length 170 [2023-11-25 00:08:16,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:08:16,278 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 194 transitions. [2023-11-25 00:08:16,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-11-25 00:08:16,279 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 194 transitions. [2023-11-25 00:08:16,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-25 00:08:16,282 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:08:16,282 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:08:16,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2272a13-e717-4d28-910c-2de83ccf07b6/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-25 00:08:16,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2272a13-e717-4d28-910c-2de83ccf07b6/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:08:16,491 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:08:16,491 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:08:16,491 INFO L85 PathProgramCache]: Analyzing trace with hash 1969556523, now seen corresponding path program 1 times [2023-11-25 00:08:16,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:08:16,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1510462169] [2023-11-25 00:08:16,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:08:16,493 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:08:16,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2272a13-e717-4d28-910c-2de83ccf07b6/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:08:16,497 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2272a13-e717-4d28-910c-2de83ccf07b6/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-25 00:08:16,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2272a13-e717-4d28-910c-2de83ccf07b6/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-25 00:08:16,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:08:16,776 INFO L262 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-25 00:08:16,787 INFO L285 TraceCheckSpWp]: Computing forward predicates...